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Removed unused tomcrypt headers

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wiire-a 2018-01-06 16:53:09 +01:00
parent 65dd9975da
commit f8c295c5b5
7 changed files with 6 additions and 2378 deletions
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12
src/crypto/tc/tomcrypt.h
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@ -83,13 +83,13 @@ enum {
#include <tomcrypt_macros.h> #include <tomcrypt_macros.h>
#include <tomcrypt_cipher.h> #include <tomcrypt_cipher.h>
#include <tomcrypt_hash.h> #include <tomcrypt_hash.h>
#include <tomcrypt_mac.h> /* #include <tomcrypt_mac.h> */
#include <tomcrypt_prng.h> /* #include <tomcrypt_prng.h> */
#include <tomcrypt_pk.h> /* #include <tomcrypt_pk.h> */
#include <tomcrypt_math.h> /* #include <tomcrypt_math.h> */
#include <tomcrypt_misc.h> /* #include <tomcrypt_misc.h> */
#include <tomcrypt_argchk.h> #include <tomcrypt_argchk.h>
#include <tomcrypt_pkcs.h> /* #include <tomcrypt_pkcs.h> */
#ifdef __cplusplus #ifdef __cplusplus
} }

569
src/crypto/tc/tomcrypt_mac.h
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@ -1,569 +0,0 @@
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*/
#ifdef LTC_HMAC
typedef struct Hmac_state {
hash_state md;
int hash;
hash_state hashstate;
unsigned char key[MAXBLOCKSIZE];
} hmac_state;
int hmac_init(hmac_state *hmac, int hash, const unsigned char *key, unsigned long keylen);
int hmac_process(hmac_state *hmac, const unsigned char *in, unsigned long inlen);
int hmac_done(hmac_state *hmac, unsigned char *out, unsigned long *outlen);
int hmac_test(void);
int hmac_memory(int hash,
const unsigned char *key, unsigned long keylen,
const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int hmac_memory_multi(int hash,
const unsigned char *key, unsigned long keylen,
unsigned char *out, unsigned long *outlen,
const unsigned char *in, unsigned long inlen, ...);
int hmac_file(int hash, const char *fname, const unsigned char *key,
unsigned long keylen,
unsigned char *dst, unsigned long *dstlen);
#endif
#ifdef LTC_OMAC
typedef struct {
int cipher_idx,
buflen,
blklen;
unsigned char block[MAXBLOCKSIZE],
prev[MAXBLOCKSIZE],
Lu[2][MAXBLOCKSIZE];
symmetric_key key;
} omac_state;
int omac_init(omac_state *omac, int cipher, const unsigned char *key, unsigned long keylen);
int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen);
int omac_done(omac_state *omac, unsigned char *out, unsigned long *outlen);
int omac_memory(int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int omac_memory_multi(int cipher,
const unsigned char *key, unsigned long keylen,
unsigned char *out, unsigned long *outlen,
const unsigned char *in, unsigned long inlen, ...);
int omac_file(int cipher,
const unsigned char *key, unsigned long keylen,
const char *filename,
unsigned char *out, unsigned long *outlen);
int omac_test(void);
#endif /* LTC_OMAC */
#ifdef LTC_PMAC
typedef struct {
unsigned char Ls[32][MAXBLOCKSIZE], /* L shifted by i bits to the left */
Li[MAXBLOCKSIZE], /* value of Li [current value, we calc from previous recall] */
Lr[MAXBLOCKSIZE], /* L * x^-1 */
block[MAXBLOCKSIZE], /* currently accumulated block */
checksum[MAXBLOCKSIZE]; /* current checksum */
symmetric_key key; /* scheduled key for cipher */
unsigned long block_index; /* index # for current block */
int cipher_idx, /* cipher idx */
block_len, /* length of block */
buflen; /* number of bytes in the buffer */
} pmac_state;
int pmac_init(pmac_state *pmac, int cipher, const unsigned char *key, unsigned long keylen);
int pmac_process(pmac_state *pmac, const unsigned char *in, unsigned long inlen);
int pmac_done(pmac_state *pmac, unsigned char *out, unsigned long *outlen);
int pmac_memory(int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *msg, unsigned long msglen,
unsigned char *out, unsigned long *outlen);
int pmac_memory_multi(int cipher,
const unsigned char *key, unsigned long keylen,
unsigned char *out, unsigned long *outlen,
const unsigned char *in, unsigned long inlen, ...);
int pmac_file(int cipher,
const unsigned char *key, unsigned long keylen,
const char *filename,
unsigned char *out, unsigned long *outlen);
int pmac_test(void);
/* internal functions */
int pmac_ntz(unsigned long x);
void pmac_shift_xor(pmac_state *pmac);
#endif /* PMAC */
#ifdef LTC_POLY1305
typedef struct {
ulong32 r[5];
ulong32 h[5];
ulong32 pad[4];
unsigned long leftover;
unsigned char buffer[16];
int final;
} poly1305_state;
int poly1305_init(poly1305_state *st, const unsigned char *key, unsigned long keylen);
int poly1305_process(poly1305_state *st, const unsigned char *in, unsigned long inlen);
int poly1305_done(poly1305_state *st, unsigned char *mac, unsigned long *maclen);
int poly1305_memory(const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *mac, unsigned long *maclen);
int poly1305_memory_multi(const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen, const unsigned char *in, unsigned long inlen, ...);
int poly1305_file(const char *fname, const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen);
int poly1305_test(void);
#endif /* LTC_POLY1305 */
#ifdef LTC_BLAKE2SMAC
typedef hash_state blake2smac_state;
int blake2smac_init(blake2smac_state *st, unsigned long outlen, const unsigned char *key, unsigned long keylen);
int blake2smac_process(blake2smac_state *st, const unsigned char *in, unsigned long inlen);
int blake2smac_done(blake2smac_state *st, unsigned char *mac, unsigned long *maclen);
int blake2smac_memory(const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *mac, unsigned long *maclen);
int blake2smac_memory_multi(const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen, const unsigned char *in, unsigned long inlen, ...);
int blake2smac_file(const char *fname, const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen);
int blake2smac_test(void);
#endif /* LTC_BLAKE2SMAC */
#ifdef LTC_BLAKE2BMAC
typedef hash_state blake2bmac_state;
int blake2bmac_init(blake2bmac_state *st, unsigned long outlen, const unsigned char *key, unsigned long keylen);
int blake2bmac_process(blake2bmac_state *st, const unsigned char *in, unsigned long inlen);
int blake2bmac_done(blake2bmac_state *st, unsigned char *mac, unsigned long *maclen);
int blake2bmac_memory(const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *mac, unsigned long *maclen);
int blake2bmac_memory_multi(const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen, const unsigned char *in, unsigned long inlen, ...);
int blake2bmac_file(const char *fname, const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen);
int blake2bmac_test(void);
#endif /* LTC_BLAKE2BMAC */
#ifdef LTC_PELICAN
typedef struct pelican_state
{
symmetric_key K;
unsigned char state[16];
int buflen;
} pelican_state;
int pelican_init(pelican_state *pelmac, const unsigned char *key, unsigned long keylen);
int pelican_process(pelican_state *pelmac, const unsigned char *in, unsigned long inlen);
int pelican_done(pelican_state *pelmac, unsigned char *out);
int pelican_test(void);
int pelican_memory(const unsigned char *key, unsigned long keylen,
const unsigned char *in, unsigned long inlen,
unsigned char *out);
#endif
#ifdef LTC_XCBC
/* add this to "keylen" to xcbc_init to use a pure three-key XCBC MAC */
#define LTC_XCBC_PURE 0x8000UL
typedef struct {
unsigned char K[3][MAXBLOCKSIZE],
IV[MAXBLOCKSIZE];
symmetric_key key;
int cipher,
buflen,
blocksize;
} xcbc_state;
int xcbc_init(xcbc_state *xcbc, int cipher, const unsigned char *key, unsigned long keylen);
int xcbc_process(xcbc_state *xcbc, const unsigned char *in, unsigned long inlen);
int xcbc_done(xcbc_state *xcbc, unsigned char *out, unsigned long *outlen);
int xcbc_memory(int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int xcbc_memory_multi(int cipher,
const unsigned char *key, unsigned long keylen,
unsigned char *out, unsigned long *outlen,
const unsigned char *in, unsigned long inlen, ...);
int xcbc_file(int cipher,
const unsigned char *key, unsigned long keylen,
const char *filename,
unsigned char *out, unsigned long *outlen);
int xcbc_test(void);
#endif
#ifdef LTC_F9_MODE
typedef struct {
unsigned char akey[MAXBLOCKSIZE],
ACC[MAXBLOCKSIZE],
IV[MAXBLOCKSIZE];
symmetric_key key;
int cipher,
buflen,
keylen,
blocksize;
} f9_state;
int f9_init(f9_state *f9, int cipher, const unsigned char *key, unsigned long keylen);
int f9_process(f9_state *f9, const unsigned char *in, unsigned long inlen);
int f9_done(f9_state *f9, unsigned char *out, unsigned long *outlen);
int f9_memory(int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int f9_memory_multi(int cipher,
const unsigned char *key, unsigned long keylen,
unsigned char *out, unsigned long *outlen,
const unsigned char *in, unsigned long inlen, ...);
int f9_file(int cipher,
const unsigned char *key, unsigned long keylen,
const char *filename,
unsigned char *out, unsigned long *outlen);
int f9_test(void);
#endif
/*
* ENC+AUTH modes
*/
#ifdef LTC_EAX_MODE
#if !(defined(LTC_OMAC) && defined(LTC_CTR_MODE))
#error LTC_EAX_MODE requires LTC_OMAC and CTR
#endif
typedef struct {
unsigned char N[MAXBLOCKSIZE];
symmetric_CTR ctr;
omac_state headeromac, ctomac;
} eax_state;
int eax_init(eax_state *eax, int cipher, const unsigned char *key, unsigned long keylen,
const unsigned char *nonce, unsigned long noncelen,
const unsigned char *header, unsigned long headerlen);
int eax_encrypt(eax_state *eax, const unsigned char *pt, unsigned char *ct, unsigned long length);
int eax_decrypt(eax_state *eax, const unsigned char *ct, unsigned char *pt, unsigned long length);
int eax_addheader(eax_state *eax, const unsigned char *header, unsigned long length);
int eax_done(eax_state *eax, unsigned char *tag, unsigned long *taglen);
int eax_encrypt_authenticate_memory(int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *nonce, unsigned long noncelen,
const unsigned char *header, unsigned long headerlen,
const unsigned char *pt, unsigned long ptlen,
unsigned char *ct,
unsigned char *tag, unsigned long *taglen);
int eax_decrypt_verify_memory(int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *nonce, unsigned long noncelen,
const unsigned char *header, unsigned long headerlen,
const unsigned char *ct, unsigned long ctlen,
unsigned char *pt,
unsigned char *tag, unsigned long taglen,
int *stat);
int eax_test(void);
#endif /* EAX MODE */
#ifdef LTC_OCB_MODE
typedef struct {
unsigned char L[MAXBLOCKSIZE], /* L value */
Ls[32][MAXBLOCKSIZE], /* L shifted by i bits to the left */
Li[MAXBLOCKSIZE], /* value of Li [current value, we calc from previous recall] */
Lr[MAXBLOCKSIZE], /* L * x^-1 */
R[MAXBLOCKSIZE], /* R value */
checksum[MAXBLOCKSIZE]; /* current checksum */
symmetric_key key; /* scheduled key for cipher */
unsigned long block_index; /* index # for current block */
int cipher, /* cipher idx */
block_len; /* length of block */
} ocb_state;
int ocb_init(ocb_state *ocb, int cipher,
const unsigned char *key, unsigned long keylen, const unsigned char *nonce);
int ocb_encrypt(ocb_state *ocb, const unsigned char *pt, unsigned char *ct);
int ocb_decrypt(ocb_state *ocb, const unsigned char *ct, unsigned char *pt);
int ocb_done_encrypt(ocb_state *ocb,
const unsigned char *pt, unsigned long ptlen,
unsigned char *ct,
unsigned char *tag, unsigned long *taglen);
int ocb_done_decrypt(ocb_state *ocb,
const unsigned char *ct, unsigned long ctlen,
unsigned char *pt,
const unsigned char *tag, unsigned long taglen, int *stat);
int ocb_encrypt_authenticate_memory(int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *nonce,
const unsigned char *pt, unsigned long ptlen,
unsigned char *ct,
unsigned char *tag, unsigned long *taglen);
int ocb_decrypt_verify_memory(int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *nonce,
const unsigned char *ct, unsigned long ctlen,
unsigned char *pt,
const unsigned char *tag, unsigned long taglen,
int *stat);
int ocb_test(void);
/* internal functions */
void ocb_shift_xor(ocb_state *ocb, unsigned char *Z);
int ocb_ntz(unsigned long x);
int s_ocb_done(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen,
unsigned char *ct, unsigned char *tag, unsigned long *taglen, int mode);
#endif /* LTC_OCB_MODE */
#ifdef LTC_OCB3_MODE
typedef struct {
unsigned char Offset_0[MAXBLOCKSIZE], /* Offset_0 value */
Offset_current[MAXBLOCKSIZE], /* Offset_{current_block_index} value */
L_dollar[MAXBLOCKSIZE], /* L_$ value */
L_star[MAXBLOCKSIZE], /* L_* value */
L_[32][MAXBLOCKSIZE], /* L_{i} values */
tag_part[MAXBLOCKSIZE], /* intermediate result of tag calculation */
checksum[MAXBLOCKSIZE]; /* current checksum */
/* AAD related members */
unsigned char aSum_current[MAXBLOCKSIZE], /* AAD related helper variable */
aOffset_current[MAXBLOCKSIZE], /* AAD related helper variable */
adata_buffer[MAXBLOCKSIZE]; /* AAD buffer */
int adata_buffer_bytes; /* bytes in AAD buffer */
unsigned long ablock_index; /* index # for current adata (AAD) block */
symmetric_key key; /* scheduled key for cipher */
unsigned long block_index; /* index # for current data block */
int cipher, /* cipher idx */
tag_len, /* length of tag */
block_len; /* length of block */
} ocb3_state;
int ocb3_init(ocb3_state *ocb, int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *nonce, unsigned long noncelen,
unsigned long taglen);
int ocb3_encrypt(ocb3_state *ocb, const unsigned char *pt, unsigned long ptlen, unsigned char *ct);
int ocb3_decrypt(ocb3_state *ocb, const unsigned char *ct, unsigned long ctlen, unsigned char *pt);
int ocb3_encrypt_last(ocb3_state *ocb, const unsigned char *pt, unsigned long ptlen, unsigned char *ct);
int ocb3_decrypt_last(ocb3_state *ocb, const unsigned char *ct, unsigned long ctlen, unsigned char *pt);
int ocb3_add_aad(ocb3_state *ocb, const unsigned char *aad, unsigned long aadlen);
int ocb3_done(ocb3_state *ocb, unsigned char *tag, unsigned long *taglen);
int ocb3_encrypt_authenticate_memory(int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *nonce, unsigned long noncelen,
const unsigned char *adata, unsigned long adatalen,
const unsigned char *pt, unsigned long ptlen,
unsigned char *ct,
unsigned char *tag, unsigned long *taglen);
int ocb3_decrypt_verify_memory(int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *nonce, unsigned long noncelen,
const unsigned char *adata, unsigned long adatalen,
const unsigned char *ct, unsigned long ctlen,
unsigned char *pt,
const unsigned char *tag, unsigned long taglen,
int *stat);
int ocb3_test(void);
#ifdef LTC_SOURCE
/* internal helper functions */
int ocb3_int_ntz(unsigned long x);
void ocb3_int_xor_blocks(unsigned char *out, const unsigned char *block_a, const unsigned char *block_b, unsigned long block_len);
#endif /* LTC_SOURCE */
#endif /* LTC_OCB3_MODE */
#ifdef LTC_CCM_MODE
#define CCM_ENCRYPT LTC_ENCRYPT
#define CCM_DECRYPT LTC_DECRYPT
typedef struct {
symmetric_key K;
int cipher, /* which cipher */
taglen, /* length of the tag */
x; /* index in PAD */
unsigned long L, /* L value */
ptlen, /* length that will be enc / dec */
current_ptlen, /* current processed length */
aadlen, /* length of the aad */
current_aadlen, /* length of the currently provided add */
noncelen; /* length of the nonce */
unsigned char PAD[16],
ctr[16],
CTRPAD[16],
CTRlen;
} ccm_state;
int ccm_init(ccm_state *ccm, int cipher,
const unsigned char *key, int keylen, int ptlen, int taglen, int aad_len);
int ccm_reset(ccm_state *ccm);
int ccm_add_nonce(ccm_state *ccm,
const unsigned char *nonce, unsigned long noncelen);
int ccm_add_aad(ccm_state *ccm,
const unsigned char *adata, unsigned long adatalen);
int ccm_process(ccm_state *ccm,
unsigned char *pt, unsigned long ptlen,
unsigned char *ct,
int direction);
int ccm_done(ccm_state *ccm,
unsigned char *tag, unsigned long *taglen);
int ccm_memory(int cipher,
const unsigned char *key, unsigned long keylen,
symmetric_key *uskey,
const unsigned char *nonce, unsigned long noncelen,
const unsigned char *header, unsigned long headerlen,
unsigned char *pt, unsigned long ptlen,
unsigned char *ct,
unsigned char *tag, unsigned long *taglen,
int direction);
int ccm_test(void);
#endif /* LTC_CCM_MODE */
#if defined(LRW_MODE) || defined(LTC_GCM_MODE)
void gcm_gf_mult(const unsigned char *a, const unsigned char *b, unsigned char *c);
#endif
/* table shared between GCM and LRW */
#if defined(LTC_GCM_TABLES) || defined(LTC_LRW_TABLES) || ((defined(LTC_GCM_MODE) || defined(LTC_GCM_MODE)) && defined(LTC_FAST))
extern const unsigned char gcm_shift_table[];
#endif
#ifdef LTC_GCM_MODE
#define GCM_ENCRYPT LTC_ENCRYPT
#define GCM_DECRYPT LTC_DECRYPT
#define LTC_GCM_MODE_IV 0
#define LTC_GCM_MODE_AAD 1
#define LTC_GCM_MODE_TEXT 2
typedef struct {
symmetric_key K;
unsigned char H[16], /* multiplier */
X[16], /* accumulator */
Y[16], /* counter */
Y_0[16], /* initial counter */
buf[16]; /* buffer for stuff */
int cipher, /* which cipher */
ivmode, /* Which mode is the IV in? */
mode, /* mode the GCM code is in */
buflen; /* length of data in buf */
ulong64 totlen, /* 64-bit counter used for IV and AAD */
pttotlen; /* 64-bit counter for the PT */
#ifdef LTC_GCM_TABLES
unsigned char PC[16][256][16] /* 16 tables of 8x128 */
#ifdef LTC_GCM_TABLES_SSE2
__attribute__ ((aligned (16)))
#endif
;
#endif
} gcm_state;
void gcm_mult_h(gcm_state *gcm, unsigned char *I);
int gcm_init(gcm_state *gcm, int cipher,
const unsigned char *key, int keylen);
int gcm_reset(gcm_state *gcm);
int gcm_add_iv(gcm_state *gcm,
const unsigned char *IV, unsigned long IVlen);
int gcm_add_aad(gcm_state *gcm,
const unsigned char *adata, unsigned long adatalen);
int gcm_process(gcm_state *gcm,
unsigned char *pt, unsigned long ptlen,
unsigned char *ct,
int direction);
int gcm_done(gcm_state *gcm,
unsigned char *tag, unsigned long *taglen);
int gcm_memory( int cipher,
const unsigned char *key, unsigned long keylen,
const unsigned char *IV, unsigned long IVlen,
const unsigned char *adata, unsigned long adatalen,
unsigned char *pt, unsigned long ptlen,
unsigned char *ct,
unsigned char *tag, unsigned long *taglen,
int direction);
int gcm_test(void);
#endif /* LTC_GCM_MODE */
#ifdef LTC_CHACHA20POLY1305_MODE
typedef struct {
poly1305_state poly;
chacha_state chacha;
ulong64 aadlen;
ulong64 ctlen;
int aadflg;
} chacha20poly1305_state;
#define CHACHA20POLY1305_ENCRYPT LTC_ENCRYPT
#define CHACHA20POLY1305_DECRYPT LTC_DECRYPT
int chacha20poly1305_init(chacha20poly1305_state *st, const unsigned char *key, unsigned long keylen);
int chacha20poly1305_setiv(chacha20poly1305_state *st, const unsigned char *iv, unsigned long ivlen);
int chacha20poly1305_setiv_rfc7905(chacha20poly1305_state *st, const unsigned char *iv, unsigned long ivlen, ulong64 sequence_number);
int chacha20poly1305_add_aad(chacha20poly1305_state *st, const unsigned char *in, unsigned long inlen);
int chacha20poly1305_encrypt(chacha20poly1305_state *st, const unsigned char *in, unsigned long inlen, unsigned char *out);
int chacha20poly1305_decrypt(chacha20poly1305_state *st, const unsigned char *in, unsigned long inlen, unsigned char *out);
int chacha20poly1305_done(chacha20poly1305_state *st, unsigned char *tag, unsigned long *taglen);
int chacha20poly1305_memory(const unsigned char *key, unsigned long keylen,
const unsigned char *iv, unsigned long ivlen,
const unsigned char *aad, unsigned long aadlen,
const unsigned char *in, unsigned long inlen,
unsigned char *out,
unsigned char *tag, unsigned long *taglen,
int direction);
int chacha20poly1305_test(void);
#endif /* LTC_CHACHA20POLY1305_MODE */
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */

583
src/crypto/tc/tomcrypt_math.h
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@ -1,583 +0,0 @@
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*/
/** math functions **/
#define LTC_MP_LT -1
#define LTC_MP_EQ 0
#define LTC_MP_GT 1
#define LTC_MP_NO 0
#define LTC_MP_YES 1
#ifndef LTC_MECC
typedef void ecc_point;
#endif
#ifndef LTC_MRSA
typedef void rsa_key;
#endif
#ifndef LTC_MILLER_RABIN_REPS
/* Number of rounds of the Miller-Rabin test
* "Reasonable values of reps are between 15 and 50." c.f. gmp doc of mpz_probab_prime_p()
* As of https://security.stackexchange.com/a/4546 we should use 40 rounds */
#define LTC_MILLER_RABIN_REPS 40
#endif
int radix_to_bin(const void *in, int radix, void *out, unsigned long *len);
/** math descriptor */
typedef struct {
/** Name of the math provider */
const char *name;
/** Bits per digit, amount of bits must fit in an unsigned long */
int bits_per_digit;
/* ---- init/deinit functions ---- */
/** initialize a bignum
@param a The number to initialize
@return CRYPT_OK on success
*/
int (*init)(void **a);
/** init copy
@param dst The number to initialize and write to
@param src The number to copy from
@return CRYPT_OK on success
*/
int (*init_copy)(void **dst, void *src);
/** deinit
@param a The number to free
@return CRYPT_OK on success
*/
void (*deinit)(void *a);
/* ---- data movement ---- */
/** negate
@param src The number to negate
@param dst The destination
@return CRYPT_OK on success
*/
int (*neg)(void *src, void *dst);
/** copy
@param src The number to copy from
@param dst The number to write to
@return CRYPT_OK on success
*/
int (*copy)(void *src, void *dst);
/* ---- trivial low level functions ---- */
/** set small constant
@param a Number to write to
@param n Source upto bits_per_digit (actually meant for very small constants)
@return CRYPT_OK on success
*/
int (*set_int)(void *a, ltc_mp_digit n);
/** get small constant
@param a Small number to read,
only fetches up to bits_per_digit from the number
@return The lower bits_per_digit of the integer (unsigned)
*/
unsigned long (*get_int)(void *a);
/** get digit n
@param a The number to read from
@param n The number of the digit to fetch
@return The bits_per_digit sized n'th digit of a
*/
ltc_mp_digit (*get_digit)(void *a, int n);
/** Get the number of digits that represent the number
@param a The number to count
@return The number of digits used to represent the number
*/
int (*get_digit_count)(void *a);
/** compare two integers
@param a The left side integer
@param b The right side integer
@return LTC_MP_LT if a < b,
LTC_MP_GT if a > b and
LTC_MP_EQ otherwise. (signed comparison)
*/
int (*compare)(void *a, void *b);
/** compare against int
@param a The left side integer
@param b The right side integer (upto bits_per_digit)
@return LTC_MP_LT if a < b,
LTC_MP_GT if a > b and
LTC_MP_EQ otherwise. (signed comparison)
*/
int (*compare_d)(void *a, ltc_mp_digit n);
/** Count the number of bits used to represent the integer
@param a The integer to count
@return The number of bits required to represent the integer
*/
int (*count_bits)(void * a);
/** Count the number of LSB bits which are zero
@param a The integer to count
@return The number of contiguous zero LSB bits
*/
int (*count_lsb_bits)(void *a);
/** Compute a power of two
@param a The integer to store the power in
@param n The power of two you want to store (a = 2^n)
@return CRYPT_OK on success
*/
int (*twoexpt)(void *a , int n);
/* ---- radix conversions ---- */
/** read ascii string
@param a The integer to store into
@param str The string to read
@param radix The radix the integer has been represented in (2-64)
@return CRYPT_OK on success
*/
int (*read_radix)(void *a, const char *str, int radix);
/** write number to string
@param a The integer to store
@param str The destination for the string
@param radix The radix the integer is to be represented in (2-64)
@return CRYPT_OK on success
*/
int (*write_radix)(void *a, char *str, int radix);
/** get size as unsigned char string
@param a The integer to get the size (when stored in array of octets)
@return The length of the integer in octets
*/
unsigned long (*unsigned_size)(void *a);
/** store an integer as an array of octets
@param src The integer to store
@param dst The buffer to store the integer in
@return CRYPT_OK on success
*/
int (*unsigned_write)(void *src, unsigned char *dst);
/** read an array of octets and store as integer
@param dst The integer to load
@param src The array of octets
@param len The number of octets
@return CRYPT_OK on success
*/
int (*unsigned_read)( void *dst,
unsigned char *src,
unsigned long len);
/* ---- basic math ---- */
/** add two integers
@param a The first source integer
@param b The second source integer
@param c The destination of "a + b"
@return CRYPT_OK on success
*/
int (*add)(void *a, void *b, void *c);
/** add two integers
@param a The first source integer
@param b The second source integer
(single digit of upto bits_per_digit in length)
@param c The destination of "a + b"
@return CRYPT_OK on success
*/
int (*addi)(void *a, ltc_mp_digit b, void *c);
/** subtract two integers
@param a The first source integer
@param b The second source integer
@param c The destination of "a - b"
@return CRYPT_OK on success
*/
int (*sub)(void *a, void *b, void *c);
/** subtract two integers
@param a The first source integer
@param b The second source integer
(single digit of upto bits_per_digit in length)
@param c The destination of "a - b"
@return CRYPT_OK on success
*/
int (*subi)(void *a, ltc_mp_digit b, void *c);
/** multiply two integers
@param a The first source integer
@param b The second source integer
(single digit of upto bits_per_digit in length)
@param c The destination of "a * b"
@return CRYPT_OK on success
*/
int (*mul)(void *a, void *b, void *c);
/** multiply two integers
@param a The first source integer
@param b The second source integer
(single digit of upto bits_per_digit in length)
@param c The destination of "a * b"
@return CRYPT_OK on success
*/
int (*muli)(void *a, ltc_mp_digit b, void *c);
/** Square an integer
@param a The integer to square
@param b The destination
@return CRYPT_OK on success
*/
int (*sqr)(void *a, void *b);
/** Divide an integer
@param a The dividend
@param b The divisor
@param c The quotient (can be NULL to signify don't care)
@param d The remainder (can be NULL to signify don't care)
@return CRYPT_OK on success
*/
int (*mpdiv)(void *a, void *b, void *c, void *d);
/** divide by two
@param a The integer to divide (shift right)
@param b The destination
@return CRYPT_OK on success
*/
int (*div_2)(void *a, void *b);
/** Get remainder (small value)
@param a The integer to reduce
@param b The modulus (upto bits_per_digit in length)
@param c The destination for the residue
@return CRYPT_OK on success
*/
int (*modi)(void *a, ltc_mp_digit b, ltc_mp_digit *c);
/** gcd
@param a The first integer
@param b The second integer
@param c The destination for (a, b)
@return CRYPT_OK on success
*/
int (*gcd)(void *a, void *b, void *c);
/** lcm
@param a The first integer
@param b The second integer
@param c The destination for [a, b]
@return CRYPT_OK on success
*/
int (*lcm)(void *a, void *b, void *c);
/** Modular multiplication
@param a The first source
@param b The second source
@param c The modulus
@param d The destination (a*b mod c)
@return CRYPT_OK on success
*/
int (*mulmod)(void *a, void *b, void *c, void *d);
/** Modular squaring
@param a The first source
@param b The modulus
@param c The destination (a*a mod b)
@return CRYPT_OK on success
*/
int (*sqrmod)(void *a, void *b, void *c);
/** Modular inversion
@param a The value to invert
@param b The modulus
@param c The destination (1/a mod b)
@return CRYPT_OK on success
*/
int (*invmod)(void *, void *, void *);
/* ---- reduction ---- */
/** setup Montgomery
@param a The modulus
@param b The destination for the reduction digit
@return CRYPT_OK on success
*/
int (*montgomery_setup)(void *a, void **b);
/** get normalization value
@param a The destination for the normalization value
@param b The modulus
@return CRYPT_OK on success
*/
int (*montgomery_normalization)(void *a, void *b);
/** reduce a number
@param a The number [and dest] to reduce
@param b The modulus
@param c The value "b" from montgomery_setup()
@return CRYPT_OK on success
*/
int (*montgomery_reduce)(void *a, void *b, void *c);
/** clean up (frees memory)
@param a The value "b" from montgomery_setup()
@return CRYPT_OK on success
*/
void (*montgomery_deinit)(void *a);
/* ---- exponentiation ---- */
/** Modular exponentiation
@param a The base integer
@param b The power (can be negative) integer
@param c The modulus integer
@param d The destination
@return CRYPT_OK on success
*/
int (*exptmod)(void *a, void *b, void *c, void *d);
/** Primality testing
@param a The integer to test
@param b The number of Miller-Rabin tests that shall be executed
@param c The destination of the result (FP_YES if prime)
@return CRYPT_OK on success
*/
int (*isprime)(void *a, int b, int *c);
/* ---- (optional) ecc point math ---- */
/** ECC GF(p) point multiplication (from the NIST curves)
@param k The integer to multiply the point by
@param G The point to multiply
@param R The destination for kG
@param modulus The modulus for the field
@param map Boolean indicated whether to map back to affine or not
(can be ignored if you work in affine only)
@return CRYPT_OK on success
*/
int (*ecc_ptmul)( void *k,
ecc_point *G,
ecc_point *R,
void *modulus,
int map);
/** ECC GF(p) point addition
@param P The first point
@param Q The second point
@param R The destination of P + Q
@param modulus The modulus
@param mp The "b" value from montgomery_setup()
@return CRYPT_OK on success
*/
int (*ecc_ptadd)(ecc_point *P,
ecc_point *Q,
ecc_point *R,
void *modulus,
void *mp);
/** ECC GF(p) point double
@param P The first point
@param R The destination of 2P
@param modulus The modulus
@param mp The "b" value from montgomery_setup()
@return CRYPT_OK on success
*/
int (*ecc_ptdbl)(ecc_point *P,
ecc_point *R,
void *modulus,
void *mp);
/** ECC mapping from projective to affine,
currently uses (x,y,z) => (x/z^2, y/z^3, 1)
@param P The point to map
@param modulus The modulus
@param mp The "b" value from montgomery_setup()
@return CRYPT_OK on success
@remark The mapping can be different but keep in mind a
ecc_point only has three integers (x,y,z) so if
you use a different mapping you have to make it fit.
*/
int (*ecc_map)(ecc_point *P, void *modulus, void *mp);
/** Computes kA*A + kB*B = C using Shamir's Trick
@param A First point to multiply
@param kA What to multiple A by
@param B Second point to multiply
@param kB What to multiple B by
@param C [out] Destination point (can overlap with A or B)
@param modulus Modulus for curve
@return CRYPT_OK on success
*/
int (*ecc_mul2add)(ecc_point *A, void *kA,
ecc_point *B, void *kB,
ecc_point *C,
void *modulus);
/* ---- (optional) rsa optimized math (for internal CRT) ---- */
/** RSA Key Generation
@param prng An active PRNG state
@param wprng The index of the PRNG desired
@param size The size of the key in octets
@param e The "e" value (public key).
e==65537 is a good choice
@param key [out] Destination of a newly created private key pair
@return CRYPT_OK if successful, upon error all allocated ram is freed
*/
int (*rsa_keygen)(prng_state *prng,
int wprng,
int size,
long e,
rsa_key *key);
/** RSA exponentiation
@param in The octet array representing the base
@param inlen The length of the input
@param out The destination (to be stored in an octet array format)
@param outlen The length of the output buffer and the resulting size
(zero padded to the size of the modulus)
@param which PK_PUBLIC for public RSA and PK_PRIVATE for private RSA
@param key The RSA key to use
@return CRYPT_OK on success
*/
int (*rsa_me)(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen, int which,
rsa_key *key);
/* ---- basic math continued ---- */
/** Modular addition
@param a The first source
@param b The second source
@param c The modulus
@param d The destination (a + b mod c)
@return CRYPT_OK on success
*/
int (*addmod)(void *a, void *b, void *c, void *d);
/** Modular substraction
@param a The first source
@param b The second source
@param c The modulus
@param d The destination (a - b mod c)
@return CRYPT_OK on success
*/
int (*submod)(void *a, void *b, void *c, void *d);
/* ---- misc stuff ---- */
/** Make a pseudo-random mpi
@param a The mpi to make random
@param size The desired length
@return CRYPT_OK on success
*/
int (*rand)(void *a, int size);
} ltc_math_descriptor;
extern ltc_math_descriptor ltc_mp;
int ltc_init_multi(void **a, ...);
void ltc_deinit_multi(void *a, ...);
void ltc_cleanup_multi(void **a, ...);
#ifdef LTM_DESC
extern const ltc_math_descriptor ltm_desc;
#endif
#ifdef TFM_DESC
extern const ltc_math_descriptor tfm_desc;
#endif
#ifdef GMP_DESC
extern const ltc_math_descriptor gmp_desc;
#endif
#if !defined(DESC_DEF_ONLY) && defined(LTC_SOURCE)
#define MP_DIGIT_BIT ltc_mp.bits_per_digit
/* some handy macros */
#define mp_init(a) ltc_mp.init(a)
#define mp_init_multi ltc_init_multi
#define mp_clear(a) ltc_mp.deinit(a)
#define mp_clear_multi ltc_deinit_multi
#define mp_cleanup_multi ltc_cleanup_multi
#define mp_init_copy(a, b) ltc_mp.init_copy(a, b)
#define mp_neg(a, b) ltc_mp.neg(a, b)
#define mp_copy(a, b) ltc_mp.copy(a, b)
#define mp_set(a, b) ltc_mp.set_int(a, b)
#define mp_set_int(a, b) ltc_mp.set_int(a, b)
#define mp_get_int(a) ltc_mp.get_int(a)
#define mp_get_digit(a, n) ltc_mp.get_digit(a, n)
#define mp_get_digit_count(a) ltc_mp.get_digit_count(a)
#define mp_cmp(a, b) ltc_mp.compare(a, b)
#define mp_cmp_d(a, b) ltc_mp.compare_d(a, b)
#define mp_count_bits(a) ltc_mp.count_bits(a)
#define mp_cnt_lsb(a) ltc_mp.count_lsb_bits(a)
#define mp_2expt(a, b) ltc_mp.twoexpt(a, b)
#define mp_read_radix(a, b, c) ltc_mp.read_radix(a, b, c)
#define mp_toradix(a, b, c) ltc_mp.write_radix(a, b, c)
#define mp_unsigned_bin_size(a) ltc_mp.unsigned_size(a)
#define mp_to_unsigned_bin(a, b) ltc_mp.unsigned_write(a, b)
#define mp_read_unsigned_bin(a, b, c) ltc_mp.unsigned_read(a, b, c)
#define mp_add(a, b, c) ltc_mp.add(a, b, c)
#define mp_add_d(a, b, c) ltc_mp.addi(a, b, c)
#define mp_sub(a, b, c) ltc_mp.sub(a, b, c)
#define mp_sub_d(a, b, c) ltc_mp.subi(a, b, c)
#define mp_mul(a, b, c) ltc_mp.mul(a, b, c)
#define mp_mul_d(a, b, c) ltc_mp.muli(a, b, c)
#define mp_sqr(a, b) ltc_mp.sqr(a, b)
#define mp_div(a, b, c, d) ltc_mp.mpdiv(a, b, c, d)
#define mp_div_2(a, b) ltc_mp.div_2(a, b)
#define mp_mod(a, b, c) ltc_mp.mpdiv(a, b, NULL, c)
#define mp_mod_d(a, b, c) ltc_mp.modi(a, b, c)
#define mp_gcd(a, b, c) ltc_mp.gcd(a, b, c)
#define mp_lcm(a, b, c) ltc_mp.lcm(a, b, c)
#define mp_addmod(a, b, c, d) ltc_mp.addmod(a, b, c, d)
#define mp_submod(a, b, c, d) ltc_mp.submod(a, b, c, d)
#define mp_mulmod(a, b, c, d) ltc_mp.mulmod(a, b, c, d)
#define mp_sqrmod(a, b, c) ltc_mp.sqrmod(a, b, c)
#define mp_invmod(a, b, c) ltc_mp.invmod(a, b, c)
#define mp_montgomery_setup(a, b) ltc_mp.montgomery_setup(a, b)
#define mp_montgomery_normalization(a, b) ltc_mp.montgomery_normalization(a, b)
#define mp_montgomery_reduce(a, b, c) ltc_mp.montgomery_reduce(a, b, c)
#define mp_montgomery_free(a) ltc_mp.montgomery_deinit(a)
#define mp_exptmod(a,b,c,d) ltc_mp.exptmod(a,b,c,d)
#define mp_prime_is_prime(a, b, c) ltc_mp.isprime(a, b, c)
#define mp_iszero(a) (mp_cmp_d(a, 0) == LTC_MP_EQ ? LTC_MP_YES : LTC_MP_NO)
#define mp_isodd(a) (mp_get_digit_count(a) > 0 ? (mp_get_digit(a, 0) & 1 ? LTC_MP_YES : LTC_MP_NO) : LTC_MP_NO)
#define mp_exch(a, b) do { void *ABC__tmp = a; a = b; b = ABC__tmp; } while(0)
#define mp_tohex(a, b) mp_toradix(a, b, 16)
#define mp_rand(a, b) ltc_mp.rand(a, b)
#endif
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*/
/* ---- LTC_BASE64 Routines ---- */
#ifdef LTC_BASE64
int base64_encode(const unsigned char *in, unsigned long len,
unsigned char *out, unsigned long *outlen);
int base64_decode(const unsigned char *in, unsigned long len,
unsigned char *out, unsigned long *outlen);
int base64_strict_decode(const unsigned char *in, unsigned long len,
unsigned char *out, unsigned long *outlen);
#endif
#ifdef LTC_BASE64_URL
int base64url_encode(const unsigned char *in, unsigned long len,
unsigned char *out, unsigned long *outlen);
int base64url_strict_encode(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int base64url_decode(const unsigned char *in, unsigned long len,
unsigned char *out, unsigned long *outlen);
int base64url_strict_decode(const unsigned char *in, unsigned long len,
unsigned char *out, unsigned long *outlen);
#endif
/* ---- BASE32 Routines ---- */
#ifdef LTC_BASE32
typedef enum {
BASE32_RFC4648 = 0,
BASE32_BASE32HEX = 1,
BASE32_ZBASE32 = 2,
BASE32_CROCKFORD = 3
} base32_alphabet;
int base32_encode(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
base32_alphabet id);
int base32_decode(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
base32_alphabet id);
#endif
/* ===> LTC_HKDF -- RFC5869 HMAC-based Key Derivation Function <=== */
#ifdef LTC_HKDF
int hkdf_test(void);
int hkdf_extract(int hash_idx,
const unsigned char *salt, unsigned long saltlen,
const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int hkdf_expand(int hash_idx,
const unsigned char *info, unsigned long infolen,
const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long outlen);
int hkdf(int hash_idx,
const unsigned char *salt, unsigned long saltlen,
const unsigned char *info, unsigned long infolen,
const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long outlen);
#endif /* LTC_HKDF */
/* ---- MEM routines ---- */
int mem_neq(const void *a, const void *b, size_t len);
void zeromem(volatile void *dst, size_t len);
#ifdef LTC_SOURCE
void copy_or_zeromem(const unsigned char* src, unsigned char* dest, unsigned long len, int coz);
#endif
void burn_stack(unsigned long len);
const char *error_to_string(int err);
extern const char *crypt_build_settings;
/* ---- HMM ---- */
int crypt_fsa(void *mp, ...);
/* ---- Dynamic language support ---- */
int crypt_get_constant(const char* namein, int *valueout);
int crypt_list_all_constants(char *names_list, unsigned int *names_list_size);
int crypt_get_size(const char* namein, unsigned int *sizeout);
int crypt_list_all_sizes(char *names_list, unsigned int *names_list_size);
#ifdef LTM_DESC
LTC_DEPRECATED void init_LTM(void);
#endif
#ifdef TFM_DESC
LTC_DEPRECATED void init_TFM(void);
#endif
#ifdef GMP_DESC
LTC_DEPRECATED void init_GMP(void);
#endif
int crypt_mp_init(const char* mpi);
#ifdef LTC_ADLER32
typedef struct adler32_state_s
{
unsigned short s[2];
} adler32_state;
void adler32_init(adler32_state *ctx);
void adler32_update(adler32_state *ctx, const unsigned char *input, unsigned long length);
void adler32_finish(adler32_state *ctx, void *hash, unsigned long size);
int adler32_test(void);
#endif
#ifdef LTC_CRC32
typedef struct crc32_state_s
{
ulong32 crc;
} crc32_state;
void crc32_init(crc32_state *ctx);
void crc32_update(crc32_state *ctx, const unsigned char *input, unsigned long length);
void crc32_finish(crc32_state *ctx, void *hash, unsigned long size);
int crc32_test(void);
#endif
int compare_testvector(const void* is, const unsigned long is_len, const void* should, const unsigned long should_len, const char* what, int which);
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */

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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*/
/* ---- NUMBER THEORY ---- */
enum {
PK_PUBLIC=0,
PK_PRIVATE=1
};
/* Indicates standard output formats that can be read e.g. by OpenSSL or GnuTLS */
#define PK_STD 0x1000
int rand_prime(void *N, long len, prng_state *prng, int wprng);
#ifdef LTC_SOURCE
/* internal helper functions */
int rand_bn_bits(void *N, int bits, prng_state *prng, int wprng);
int rand_bn_upto(void *N, void *limit, prng_state *prng, int wprng);
enum public_key_algorithms {
PKA_RSA,
PKA_DSA
};
typedef struct Oid {
unsigned long OID[16];
/** Length of DER encoding */
unsigned long OIDlen;
} oid_st;
int pk_get_oid(int pk, oid_st *st);
#endif /* LTC_SOURCE */
/* ---- RSA ---- */
#ifdef LTC_MRSA
/** RSA PKCS style key */
typedef struct Rsa_key {
/** Type of key, PK_PRIVATE or PK_PUBLIC */
int type;
/** The public exponent */
void *e;
/** The private exponent */
void *d;
/** The modulus */
void *N;
/** The p factor of N */
void *p;
/** The q factor of N */
void *q;
/** The 1/q mod p CRT param */
void *qP;
/** The d mod (p - 1) CRT param */
void *dP;
/** The d mod (q - 1) CRT param */
void *dQ;
} rsa_key;
int rsa_make_key(prng_state *prng, int wprng, int size, long e, rsa_key *key);
int rsa_get_size(rsa_key *key);
int rsa_exptmod(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen, int which,
rsa_key *key);
void rsa_free(rsa_key *key);
/* These use PKCS #1 v2.0 padding */
#define rsa_encrypt_key(_in, _inlen, _out, _outlen, _lparam, _lparamlen, _prng, _prng_idx, _hash_idx, _key) \
rsa_encrypt_key_ex(_in, _inlen, _out, _outlen, _lparam, _lparamlen, _prng, _prng_idx, _hash_idx, LTC_PKCS_1_OAEP, _key)
#define rsa_decrypt_key(_in, _inlen, _out, _outlen, _lparam, _lparamlen, _hash_idx, _stat, _key) \
rsa_decrypt_key_ex(_in, _inlen, _out, _outlen, _lparam, _lparamlen, _hash_idx, LTC_PKCS_1_OAEP, _stat, _key)
#define rsa_sign_hash(_in, _inlen, _out, _outlen, _prng, _prng_idx, _hash_idx, _saltlen, _key) \
rsa_sign_hash_ex(_in, _inlen, _out, _outlen, LTC_PKCS_1_PSS, _prng, _prng_idx, _hash_idx, _saltlen, _key)
#define rsa_verify_hash(_sig, _siglen, _hash, _hashlen, _hash_idx, _saltlen, _stat, _key) \
rsa_verify_hash_ex(_sig, _siglen, _hash, _hashlen, LTC_PKCS_1_PSS, _hash_idx, _saltlen, _stat, _key)
#define rsa_sign_saltlen_get_max(_hash_idx, _key) \
rsa_sign_saltlen_get_max_ex(LTC_PKCS_1_PSS, _hash_idx, _key)
/* These can be switched between PKCS #1 v2.x and PKCS #1 v1.5 paddings */
int rsa_encrypt_key_ex(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
const unsigned char *lparam, unsigned long lparamlen,
prng_state *prng, int prng_idx, int hash_idx, int padding, rsa_key *key);
int rsa_decrypt_key_ex(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
const unsigned char *lparam, unsigned long lparamlen,
int hash_idx, int padding,
int *stat, rsa_key *key);
int rsa_sign_hash_ex(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
int padding,
prng_state *prng, int prng_idx,
int hash_idx, unsigned long saltlen,
rsa_key *key);
int rsa_verify_hash_ex(const unsigned char *sig, unsigned long siglen,
const unsigned char *hash, unsigned long hashlen,
int padding,
int hash_idx, unsigned long saltlen,
int *stat, rsa_key *key);
int rsa_sign_saltlen_get_max_ex(int padding, int hash_idx, rsa_key *key);
/* PKCS #1 import/export */
int rsa_export(unsigned char *out, unsigned long *outlen, int type, rsa_key *key);
int rsa_import(const unsigned char *in, unsigned long inlen, rsa_key *key);
int rsa_import_x509(const unsigned char *in, unsigned long inlen, rsa_key *key);
int rsa_import_pkcs8(const unsigned char *in, unsigned long inlen,
const void *passwd, unsigned long passwdlen, rsa_key *key);
int rsa_set_key(const unsigned char *N, unsigned long Nlen,
const unsigned char *e, unsigned long elen,
const unsigned char *d, unsigned long dlen,
rsa_key *key);
int rsa_set_factors(const unsigned char *p, unsigned long plen,
const unsigned char *q, unsigned long qlen,
rsa_key *key);
int rsa_set_crt_params(const unsigned char *dP, unsigned long dPlen,
const unsigned char *dQ, unsigned long dQlen,
const unsigned char *qP, unsigned long qPlen,
rsa_key *key);
#endif
/* ---- Katja ---- */
#ifdef LTC_MKAT
/* Min and Max KAT key sizes (in bits) */
#define MIN_KAT_SIZE 1024
#define MAX_KAT_SIZE 4096
/** Katja PKCS style key */
typedef struct KAT_key {
/** Type of key, PK_PRIVATE or PK_PUBLIC */
int type;
/** The private exponent */
void *d;
/** The modulus */
void *N;
/** The p factor of N */
void *p;
/** The q factor of N */
void *q;
/** The 1/q mod p CRT param */
void *qP;
/** The d mod (p - 1) CRT param */
void *dP;
/** The d mod (q - 1) CRT param */
void *dQ;
/** The pq param */
void *pq;
} katja_key;
int katja_make_key(prng_state *prng, int wprng, int size, katja_key *key);
int katja_exptmod(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen, int which,
katja_key *key);
void katja_free(katja_key *key);
/* These use PKCS #1 v2.0 padding */
int katja_encrypt_key(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
const unsigned char *lparam, unsigned long lparamlen,
prng_state *prng, int prng_idx, int hash_idx, katja_key *key);
int katja_decrypt_key(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
const unsigned char *lparam, unsigned long lparamlen,
int hash_idx, int *stat,
katja_key *key);
/* PKCS #1 import/export */
int katja_export(unsigned char *out, unsigned long *outlen, int type, katja_key *key);
int katja_import(const unsigned char *in, unsigned long inlen, katja_key *key);
#endif
/* ---- DH Routines ---- */
#ifdef LTC_MDH
typedef struct {
int type;
void *x;
void *y;
void *base;
void *prime;
} dh_key;
int dh_get_groupsize(dh_key *key);
int dh_export(unsigned char *out, unsigned long *outlen, int type, dh_key *key);
int dh_import(const unsigned char *in, unsigned long inlen, dh_key *key);
int dh_set_pg(const unsigned char *p, unsigned long plen,
const unsigned char *g, unsigned long glen,
dh_key *key);
int dh_set_pg_dhparam(const unsigned char *dhparam, unsigned long dhparamlen, dh_key *key);
int dh_set_pg_groupsize(int groupsize, dh_key *key);
int dh_set_key(const unsigned char *in, unsigned long inlen, int type, dh_key *key);
int dh_generate_key(prng_state *prng, int wprng, dh_key *key);
int dh_shared_secret(dh_key *private_key, dh_key *public_key,
unsigned char *out, unsigned long *outlen);
void dh_free(dh_key *key);
int dh_export_key(void *out, unsigned long *outlen, int type, dh_key *key);
#ifdef LTC_SOURCE
typedef struct {
int size;
const char *name, *base, *prime;
} ltc_dh_set_type;
extern const ltc_dh_set_type ltc_dh_sets[];
/* internal helper functions */
int dh_check_pubkey(dh_key *key);
#endif
#endif /* LTC_MDH */
/* ---- ECC Routines ---- */
#ifdef LTC_MECC
/* size of our temp buffers for exported keys */
#define ECC_BUF_SIZE 256
/* max private key size */
#define ECC_MAXSIZE 66
/** Structure defines a NIST GF(p) curve */
typedef struct {
/** The size of the curve in octets */
int size;
/** name of curve */
const char *name;
/** The prime that defines the field the curve is in (encoded in hex) */
const char *prime;
/** The fields B param (hex) */
const char *B;
/** The order of the curve (hex) */
const char *order;
/** The x co-ordinate of the base point on the curve (hex) */
const char *Gx;
/** The y co-ordinate of the base point on the curve (hex) */
const char *Gy;
} ltc_ecc_set_type;
/** A point on a ECC curve, stored in Jacbobian format such that (x,y,z) => (x/z^2, y/z^3, 1) when interpretted as affine */
typedef struct {
/** The x co-ordinate */
void *x;
/** The y co-ordinate */
void *y;
/** The z co-ordinate */
void *z;
} ecc_point;
/** An ECC key */
typedef struct {
/** Type of key, PK_PRIVATE or PK_PUBLIC */
int type;
/** Index into the ltc_ecc_sets[] for the parameters of this curve; if -1, then this key is using user supplied curve in dp */
int idx;
/** pointer to domain parameters; either points to NIST curves (identified by idx >= 0) or user supplied curve */
const ltc_ecc_set_type *dp;
/** The public key */
ecc_point pubkey;
/** The private key */
void *k;
} ecc_key;
/** the ECC params provided */
extern const ltc_ecc_set_type ltc_ecc_sets[];
int ecc_test(void);
void ecc_sizes(int *low, int *high);
int ecc_get_size(ecc_key *key);
int ecc_make_key(prng_state *prng, int wprng, int keysize, ecc_key *key);
int ecc_make_key_ex(prng_state *prng, int wprng, ecc_key *key, const ltc_ecc_set_type *dp);
void ecc_free(ecc_key *key);
int ecc_export(unsigned char *out, unsigned long *outlen, int type, ecc_key *key);
int ecc_import(const unsigned char *in, unsigned long inlen, ecc_key *key);
int ecc_import_ex(const unsigned char *in, unsigned long inlen, ecc_key *key, const ltc_ecc_set_type *dp);
int ecc_ansi_x963_export(ecc_key *key, unsigned char *out, unsigned long *outlen);
int ecc_ansi_x963_import(const unsigned char *in, unsigned long inlen, ecc_key *key);
int ecc_ansi_x963_import_ex(const unsigned char *in, unsigned long inlen, ecc_key *key, ltc_ecc_set_type *dp);
int ecc_shared_secret(ecc_key *private_key, ecc_key *public_key,
unsigned char *out, unsigned long *outlen);
int ecc_encrypt_key(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
prng_state *prng, int wprng, int hash,
ecc_key *key);
int ecc_decrypt_key(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
ecc_key *key);
int ecc_sign_hash_rfc7518(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
prng_state *prng, int wprng, ecc_key *key);
int ecc_sign_hash(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
prng_state *prng, int wprng, ecc_key *key);
int ecc_verify_hash_rfc7518(const unsigned char *sig, unsigned long siglen,
const unsigned char *hash, unsigned long hashlen,
int *stat, ecc_key *key);
int ecc_verify_hash(const unsigned char *sig, unsigned long siglen,
const unsigned char *hash, unsigned long hashlen,
int *stat, ecc_key *key);
/* low level functions */
ecc_point *ltc_ecc_new_point(void);
void ltc_ecc_del_point(ecc_point *p);
int ltc_ecc_is_valid_idx(int n);
/* point ops (mp == montgomery digit) */
#if !defined(LTC_MECC_ACCEL) || defined(LTM_DESC) || defined(GMP_DESC)
/* R = 2P */
int ltc_ecc_projective_dbl_point(ecc_point *P, ecc_point *R, void *modulus, void *mp);
/* R = P + Q */
int ltc_ecc_projective_add_point(ecc_point *P, ecc_point *Q, ecc_point *R, void *modulus, void *mp);
#endif
#if defined(LTC_MECC_FP)
/* optimized point multiplication using fixed point cache (HAC algorithm 14.117) */
int ltc_ecc_fp_mulmod(void *k, ecc_point *G, ecc_point *R, void *modulus, int map);
/* functions for saving/loading/freeing/adding to fixed point cache */
int ltc_ecc_fp_save_state(unsigned char **out, unsigned long *outlen);
int ltc_ecc_fp_restore_state(unsigned char *in, unsigned long inlen);
void ltc_ecc_fp_free(void);
int ltc_ecc_fp_add_point(ecc_point *g, void *modulus, int lock);
/* lock/unlock all points currently in fixed point cache */
void ltc_ecc_fp_tablelock(int lock);
#endif
/* R = kG */
int ltc_ecc_mulmod(void *k, ecc_point *G, ecc_point *R, void *modulus, int map);
#ifdef LTC_ECC_SHAMIR
/* kA*A + kB*B = C */
int ltc_ecc_mul2add(ecc_point *A, void *kA,
ecc_point *B, void *kB,
ecc_point *C,
void *modulus);
#ifdef LTC_MECC_FP
/* Shamir's trick with optimized point multiplication using fixed point cache */
int ltc_ecc_fp_mul2add(ecc_point *A, void *kA,
ecc_point *B, void *kB,
ecc_point *C, void *modulus);
#endif
#endif
/* map P to affine from projective */
int ltc_ecc_map(ecc_point *P, void *modulus, void *mp);
#endif
#ifdef LTC_MDSA
/* Max diff between group and modulus size in bytes */
#define LTC_MDSA_DELTA 512
/* Max DSA group size in bytes (default allows 4k-bit groups) */
#define LTC_MDSA_MAX_GROUP 512
/** DSA key structure */
typedef struct {
/** The key type, PK_PRIVATE or PK_PUBLIC */
int type;
/** The order of the sub-group used in octets */
int qord;
/** The generator */
void *g;
/** The prime used to generate the sub-group */
void *q;
/** The large prime that generats the field the contains the sub-group */
void *p;
/** The private key */
void *x;
/** The public key */
void *y;
} dsa_key;
int dsa_make_key(prng_state *prng, int wprng, int group_size, int modulus_size, dsa_key *key);
int dsa_set_pqg(const unsigned char *p, unsigned long plen,
const unsigned char *q, unsigned long qlen,
const unsigned char *g, unsigned long glen,
dsa_key *key);
int dsa_set_pqg_dsaparam(const unsigned char *dsaparam, unsigned long dsaparamlen, dsa_key *key);
int dsa_generate_pqg(prng_state *prng, int wprng, int group_size, int modulus_size, dsa_key *key);
int dsa_set_key(const unsigned char *in, unsigned long inlen, int type, dsa_key *key);
int dsa_generate_key(prng_state *prng, int wprng, dsa_key *key);
void dsa_free(dsa_key *key);
int dsa_sign_hash_raw(const unsigned char *in, unsigned long inlen,
void *r, void *s,
prng_state *prng, int wprng, dsa_key *key);
int dsa_sign_hash(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
prng_state *prng, int wprng, dsa_key *key);
int dsa_verify_hash_raw( void *r, void *s,
const unsigned char *hash, unsigned long hashlen,
int *stat, dsa_key *key);
int dsa_verify_hash(const unsigned char *sig, unsigned long siglen,
const unsigned char *hash, unsigned long hashlen,
int *stat, dsa_key *key);
int dsa_encrypt_key(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
prng_state *prng, int wprng, int hash,
dsa_key *key);
int dsa_decrypt_key(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
dsa_key *key);
int dsa_import(const unsigned char *in, unsigned long inlen, dsa_key *key);
int dsa_export(unsigned char *out, unsigned long *outlen, int type, dsa_key *key);
int dsa_verify_key(dsa_key *key, int *stat);
#ifdef LTC_SOURCE
/* internal helper functions */
int dsa_int_validate_xy(dsa_key *key, int *stat);
int dsa_int_validate_pqg(dsa_key *key, int *stat);
int dsa_int_validate_primes(dsa_key *key, int *stat);
#endif
int dsa_shared_secret(void *private_key, void *base,
dsa_key *public_key,
unsigned char *out, unsigned long *outlen);
#endif
#ifdef LTC_DER
/* DER handling */
typedef enum ltc_asn1_type_ {
/* 0 */
LTC_ASN1_EOL,
LTC_ASN1_BOOLEAN,
LTC_ASN1_INTEGER,
LTC_ASN1_SHORT_INTEGER,
LTC_ASN1_BIT_STRING,
/* 5 */
LTC_ASN1_OCTET_STRING,
LTC_ASN1_NULL,
LTC_ASN1_OBJECT_IDENTIFIER,
LTC_ASN1_IA5_STRING,
LTC_ASN1_PRINTABLE_STRING,
/* 10 */
LTC_ASN1_UTF8_STRING,
LTC_ASN1_UTCTIME,
LTC_ASN1_CHOICE,
LTC_ASN1_SEQUENCE,
LTC_ASN1_SET,
/* 15 */
LTC_ASN1_SETOF,
LTC_ASN1_RAW_BIT_STRING,
LTC_ASN1_TELETEX_STRING,
LTC_ASN1_CONSTRUCTED,
LTC_ASN1_CONTEXT_SPECIFIC,
/* 20 */
LTC_ASN1_GENERALIZEDTIME,
} ltc_asn1_type;
/** A LTC ASN.1 list type */
typedef struct ltc_asn1_list_ {
/** The LTC ASN.1 enumerated type identifier */
ltc_asn1_type type;
/** The data to encode or place for decoding */
void *data;
/** The size of the input or resulting output */
unsigned long size;
/** The used flag, this is used by the CHOICE ASN.1 type to indicate which choice was made */
int used;
/** prev/next entry in the list */
struct ltc_asn1_list_ *prev, *next, *child, *parent;
} ltc_asn1_list;
#define LTC_SET_ASN1(list, index, Type, Data, Size) \
do { \
int LTC_MACRO_temp = (index); \
ltc_asn1_list *LTC_MACRO_list = (list); \
LTC_MACRO_list[LTC_MACRO_temp].type = (Type); \
LTC_MACRO_list[LTC_MACRO_temp].data = (void*)(Data); \
LTC_MACRO_list[LTC_MACRO_temp].size = (Size); \
LTC_MACRO_list[LTC_MACRO_temp].used = 0; \
} while (0)
/* SEQUENCE */
int der_encode_sequence_ex(ltc_asn1_list *list, unsigned long inlen,
unsigned char *out, unsigned long *outlen, int type_of);
#define der_encode_sequence(list, inlen, out, outlen) der_encode_sequence_ex(list, inlen, out, outlen, LTC_ASN1_SEQUENCE)
int der_decode_sequence_ex(const unsigned char *in, unsigned long inlen,
ltc_asn1_list *list, unsigned long outlen, int ordered);
#define der_decode_sequence(in, inlen, list, outlen) der_decode_sequence_ex(in, inlen, list, outlen, 1)
int der_length_sequence(ltc_asn1_list *list, unsigned long inlen,
unsigned long *outlen);
#ifdef LTC_SOURCE
/* internal helper functions */
int der_length_sequence_ex(ltc_asn1_list *list, unsigned long inlen,
unsigned long *outlen, unsigned long *payloadlen);
/* SUBJECT PUBLIC KEY INFO */
int der_encode_subject_public_key_info(unsigned char *out, unsigned long *outlen,
unsigned int algorithm, void* public_key, unsigned long public_key_len,
unsigned long parameters_type, void* parameters, unsigned long parameters_len);
int der_decode_subject_public_key_info(const unsigned char *in, unsigned long inlen,
unsigned int algorithm, void* public_key, unsigned long* public_key_len,
unsigned long parameters_type, ltc_asn1_list* parameters, unsigned long parameters_len);
#endif /* LTC_SOURCE */
/* SET */
#define der_decode_set(in, inlen, list, outlen) der_decode_sequence_ex(in, inlen, list, outlen, 0)
#define der_length_set der_length_sequence
int der_encode_set(ltc_asn1_list *list, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_encode_setof(ltc_asn1_list *list, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
/* VA list handy helpers with triplets of <type, size, data> */
int der_encode_sequence_multi(unsigned char *out, unsigned long *outlen, ...);
int der_decode_sequence_multi(const unsigned char *in, unsigned long inlen, ...);
/* FLEXI DECODER handle unknown list decoder */
int der_decode_sequence_flexi(const unsigned char *in, unsigned long *inlen, ltc_asn1_list **out);
#define der_free_sequence_flexi der_sequence_free
void der_sequence_free(ltc_asn1_list *in);
void der_sequence_shrink(ltc_asn1_list *in);
/* BOOLEAN */
int der_length_boolean(unsigned long *outlen);
int der_encode_boolean(int in,
unsigned char *out, unsigned long *outlen);
int der_decode_boolean(const unsigned char *in, unsigned long inlen,
int *out);
/* INTEGER */
int der_encode_integer(void *num, unsigned char *out, unsigned long *outlen);
int der_decode_integer(const unsigned char *in, unsigned long inlen, void *num);
int der_length_integer(void *num, unsigned long *len);
/* INTEGER -- handy for 0..2^32-1 values */
int der_decode_short_integer(const unsigned char *in, unsigned long inlen, unsigned long *num);
int der_encode_short_integer(unsigned long num, unsigned char *out, unsigned long *outlen);
int der_length_short_integer(unsigned long num, unsigned long *outlen);
/* BIT STRING */
int der_encode_bit_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_decode_bit_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_encode_raw_bit_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_decode_raw_bit_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_length_bit_string(unsigned long nbits, unsigned long *outlen);
/* OCTET STRING */
int der_encode_octet_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_decode_octet_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_length_octet_string(unsigned long noctets, unsigned long *outlen);
/* OBJECT IDENTIFIER */
int der_encode_object_identifier(unsigned long *words, unsigned long nwords,
unsigned char *out, unsigned long *outlen);
int der_decode_object_identifier(const unsigned char *in, unsigned long inlen,
unsigned long *words, unsigned long *outlen);
int der_length_object_identifier(unsigned long *words, unsigned long nwords, unsigned long *outlen);
unsigned long der_object_identifier_bits(unsigned long x);
/* IA5 STRING */
int der_encode_ia5_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_decode_ia5_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_length_ia5_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen);
int der_ia5_char_encode(int c);
int der_ia5_value_decode(int v);
/* TELETEX STRING */
int der_decode_teletex_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_length_teletex_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen);
#ifdef LTC_SOURCE
/* internal helper functions */
int der_teletex_char_encode(int c);
int der_teletex_value_decode(int v);
#endif /* LTC_SOURCE */
/* PRINTABLE STRING */
int der_encode_printable_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_decode_printable_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_length_printable_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen);
int der_printable_char_encode(int c);
int der_printable_value_decode(int v);
/* UTF-8 */
#if (defined(SIZE_MAX) || __STDC_VERSION__ >= 199901L || defined(WCHAR_MAX) || defined(__WCHAR_MAX__) || defined(_WCHAR_T) || defined(_WCHAR_T_DEFINED) || defined (__WCHAR_TYPE__)) && !defined(LTC_NO_WCHAR)
#include <wchar.h>
#if defined(__WCHAR_MAX__)
#define LTC_WCHAR_MAX __WCHAR_MAX__
#elif defined(WCHAR_MAX)
#define LTC_WCHAR_MAX WCHAR_MAX
#endif
/* please note that it might happen that LTC_WCHAR_MAX is undefined */
#else
typedef ulong32 wchar_t;
#define LTC_WCHAR_MAX 0xFFFFFFFF
#endif
int der_encode_utf8_string(const wchar_t *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen);
int der_decode_utf8_string(const unsigned char *in, unsigned long inlen,
wchar_t *out, unsigned long *outlen);
unsigned long der_utf8_charsize(const wchar_t c);
#ifdef LTC_SOURCE
/* internal helper functions */
int der_utf8_valid_char(const wchar_t c);
#endif /* LTC_SOURCE */
int der_length_utf8_string(const wchar_t *in, unsigned long noctets, unsigned long *outlen);
/* CHOICE */
int der_decode_choice(const unsigned char *in, unsigned long *inlen,
ltc_asn1_list *list, unsigned long outlen);
/* UTCTime */
typedef struct {
unsigned YY, /* year */
MM, /* month */
DD, /* day */
hh, /* hour */
mm, /* minute */
ss, /* second */
off_dir, /* timezone offset direction 0 == +, 1 == - */
off_hh, /* timezone offset hours */
off_mm; /* timezone offset minutes */
} ltc_utctime;
int der_encode_utctime(ltc_utctime *utctime,
unsigned char *out, unsigned long *outlen);
int der_decode_utctime(const unsigned char *in, unsigned long *inlen,
ltc_utctime *out);
int der_length_utctime(ltc_utctime *utctime, unsigned long *outlen);
/* GeneralizedTime */
typedef struct {
unsigned YYYY, /* year */
MM, /* month */
DD, /* day */
hh, /* hour */
mm, /* minute */
ss, /* second */
fs, /* fractional seconds */
off_dir, /* timezone offset direction 0 == +, 1 == - */
off_hh, /* timezone offset hours */
off_mm; /* timezone offset minutes */
} ltc_generalizedtime;
int der_encode_generalizedtime(ltc_generalizedtime *gtime,
unsigned char *out, unsigned long *outlen);
int der_decode_generalizedtime(const unsigned char *in, unsigned long *inlen,
ltc_generalizedtime *out);
int der_length_generalizedtime(ltc_generalizedtime *gtime, unsigned long *outlen);
#endif
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */

108
src/crypto/tc/tomcrypt_pkcs.h
View File

@ -1,108 +0,0 @@
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*/
/* PKCS Header Info */
/* ===> PKCS #1 -- RSA Cryptography <=== */
#ifdef LTC_PKCS_1
enum ltc_pkcs_1_v1_5_blocks
{
LTC_PKCS_1_EMSA = 1, /* Block type 1 (PKCS #1 v1.5 signature padding) */
LTC_PKCS_1_EME = 2 /* Block type 2 (PKCS #1 v1.5 encryption padding) */
};
enum ltc_pkcs_1_paddings
{
LTC_PKCS_1_V1_5 = 1, /* PKCS #1 v1.5 padding (\sa ltc_pkcs_1_v1_5_blocks) */
LTC_PKCS_1_OAEP = 2, /* PKCS #1 v2.0 encryption padding */
LTC_PKCS_1_PSS = 3, /* PKCS #1 v2.1 signature padding */
LTC_PKCS_1_V1_5_NA1 = 4 /* PKCS #1 v1.5 padding - No ASN.1 (\sa ltc_pkcs_1_v1_5_blocks) */
};
int pkcs_1_mgf1( int hash_idx,
const unsigned char *seed, unsigned long seedlen,
unsigned char *mask, unsigned long masklen);
int pkcs_1_i2osp(void *n, unsigned long modulus_len, unsigned char *out);
int pkcs_1_os2ip(void *n, unsigned char *in, unsigned long inlen);
/* *** v1.5 padding */
int pkcs_1_v1_5_encode(const unsigned char *msg,
unsigned long msglen,
int block_type,
unsigned long modulus_bitlen,
prng_state *prng,
int prng_idx,
unsigned char *out,
unsigned long *outlen);
int pkcs_1_v1_5_decode(const unsigned char *msg,
unsigned long msglen,
int block_type,
unsigned long modulus_bitlen,
unsigned char *out,
unsigned long *outlen,
int *is_valid);
/* *** v2.1 padding */
int pkcs_1_oaep_encode(const unsigned char *msg, unsigned long msglen,
const unsigned char *lparam, unsigned long lparamlen,
unsigned long modulus_bitlen, prng_state *prng,
int prng_idx, int hash_idx,
unsigned char *out, unsigned long *outlen);
int pkcs_1_oaep_decode(const unsigned char *msg, unsigned long msglen,
const unsigned char *lparam, unsigned long lparamlen,
unsigned long modulus_bitlen, int hash_idx,
unsigned char *out, unsigned long *outlen,
int *res);
int pkcs_1_pss_encode(const unsigned char *msghash, unsigned long msghashlen,
unsigned long saltlen, prng_state *prng,
int prng_idx, int hash_idx,
unsigned long modulus_bitlen,
unsigned char *out, unsigned long *outlen);
int pkcs_1_pss_decode(const unsigned char *msghash, unsigned long msghashlen,
const unsigned char *sig, unsigned long siglen,
unsigned long saltlen, int hash_idx,
unsigned long modulus_bitlen, int *res);
#endif /* LTC_PKCS_1 */
/* ===> PKCS #5 -- Password Based Cryptography <=== */
#ifdef LTC_PKCS_5
/* Algorithm #1 (PBKDF1) */
int pkcs_5_alg1(const unsigned char *password, unsigned long password_len,
const unsigned char *salt,
int iteration_count, int hash_idx,
unsigned char *out, unsigned long *outlen);
/* Algorithm #1 (PBKDF1) - OpenSSL-compatible variant for arbitrarily-long keys.
Compatible with EVP_BytesToKey() */
int pkcs_5_alg1_openssl(const unsigned char *password,
unsigned long password_len,
const unsigned char *salt,
int iteration_count, int hash_idx,
unsigned char *out, unsigned long *outlen);
/* Algorithm #2 (PBKDF2) */
int pkcs_5_alg2(const unsigned char *password, unsigned long password_len,
const unsigned char *salt, unsigned long salt_len,
int iteration_count, int hash_idx,
unsigned char *out, unsigned long *outlen);
int pkcs_5_test (void);
#endif /* LTC_PKCS_5 */
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */

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src/crypto/tc/tomcrypt_prng.h
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@ -1,232 +0,0 @@
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*/
/* ---- PRNG Stuff ---- */
#ifdef LTC_YARROW
struct yarrow_prng {
int cipher, hash;
unsigned char pool[MAXBLOCKSIZE];
symmetric_CTR ctr;
};
#endif
#ifdef LTC_RC4
struct rc4_prng {
rc4_state s;
};
#endif
#ifdef LTC_CHACHA20_PRNG
struct chacha20_prng {
chacha_state s; /* chacha state */
unsigned char ent[40]; /* entropy buffer */
unsigned long idx; /* entropy counter */
};
#endif
#ifdef LTC_FORTUNA
struct fortuna_prng {
hash_state pool[LTC_FORTUNA_POOLS]; /* the pools */
symmetric_key skey;
unsigned char K[32], /* the current key */
IV[16]; /* IV for CTR mode */
unsigned long pool_idx, /* current pool we will add to */
pool0_len, /* length of 0'th pool */
wd;
ulong64 reset_cnt; /* number of times we have reset */
};
#endif
#ifdef LTC_SOBER128
struct sober128_prng {
sober128_state s; /* sober128 state */
unsigned char ent[40]; /* entropy buffer */
unsigned long idx; /* entropy counter */
};
#endif
typedef struct {
union {
char dummy[1];
#ifdef LTC_YARROW
struct yarrow_prng yarrow;
#endif
#ifdef LTC_RC4
struct rc4_prng rc4;
#endif
#ifdef LTC_CHACHA20_PRNG
struct chacha20_prng chacha;
#endif
#ifdef LTC_FORTUNA
struct fortuna_prng fortuna;
#endif
#ifdef LTC_SOBER128
struct sober128_prng sober128;
#endif
};
short ready; /* ready flag 0-1 */
LTC_MUTEX_TYPE(lock) /* lock */
} prng_state;
/** PRNG descriptor */
extern struct ltc_prng_descriptor {
/** Name of the PRNG */
const char *name;
/** size in bytes of exported state */
int export_size;
/** Start a PRNG state
@param prng [out] The state to initialize
@return CRYPT_OK if successful
*/
int (*start)(prng_state *prng);
/** Add entropy to the PRNG
@param in The entropy
@param inlen Length of the entropy (octets)\
@param prng The PRNG state
@return CRYPT_OK if successful
*/
int (*add_entropy)(const unsigned char *in, unsigned long inlen, prng_state *prng);
/** Ready a PRNG state to read from
@param prng The PRNG state to ready
@return CRYPT_OK if successful
*/
int (*ready)(prng_state *prng);
/** Read from the PRNG
@param out [out] Where to store the data
@param outlen Length of data desired (octets)
@param prng The PRNG state to read from
@return Number of octets read
*/
unsigned long (*read)(unsigned char *out, unsigned long outlen, prng_state *prng);
/** Terminate a PRNG state
@param prng The PRNG state to terminate
@return CRYPT_OK if successful
*/
int (*done)(prng_state *prng);
/** Export a PRNG state
@param out [out] The destination for the state
@param outlen [in/out] The max size and resulting size of the PRNG state
@param prng The PRNG to export
@return CRYPT_OK if successful
*/
int (*pexport)(unsigned char *out, unsigned long *outlen, prng_state *prng);
/** Import a PRNG state
@param in The data to import
@param inlen The length of the data to import (octets)
@param prng The PRNG to initialize/import
@return CRYPT_OK if successful
*/
int (*pimport)(const unsigned char *in, unsigned long inlen, prng_state *prng);
/** Self-test the PRNG
@return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled
*/
int (*test)(void);
} prng_descriptor[];
#ifdef LTC_YARROW
int yarrow_start(prng_state *prng);
int yarrow_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
int yarrow_ready(prng_state *prng);
unsigned long yarrow_read(unsigned char *out, unsigned long outlen, prng_state *prng);
int yarrow_done(prng_state *prng);
int yarrow_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
int yarrow_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
int yarrow_test(void);
extern const struct ltc_prng_descriptor yarrow_desc;
#endif
#ifdef LTC_FORTUNA
int fortuna_start(prng_state *prng);
int fortuna_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
int fortuna_ready(prng_state *prng);
unsigned long fortuna_read(unsigned char *out, unsigned long outlen, prng_state *prng);
int fortuna_done(prng_state *prng);
int fortuna_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
int fortuna_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
int fortuna_test(void);
extern const struct ltc_prng_descriptor fortuna_desc;
#endif
#ifdef LTC_RC4
int rc4_start(prng_state *prng);
int rc4_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
int rc4_ready(prng_state *prng);
unsigned long rc4_read(unsigned char *out, unsigned long outlen, prng_state *prng);
int rc4_done(prng_state *prng);
int rc4_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
int rc4_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
int rc4_test(void);
extern const struct ltc_prng_descriptor rc4_desc;
#endif
#ifdef LTC_CHACHA20_PRNG
int chacha20_prng_start(prng_state *prng);
int chacha20_prng_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
int chacha20_prng_ready(prng_state *prng);
unsigned long chacha20_prng_read(unsigned char *out, unsigned long outlen, prng_state *prng);
int chacha20_prng_done(prng_state *prng);
int chacha20_prng_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
int chacha20_prng_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
int chacha20_prng_test(void);
extern const struct ltc_prng_descriptor chacha20_prng_desc;
#endif
#ifdef LTC_SPRNG
int sprng_start(prng_state *prng);
int sprng_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
int sprng_ready(prng_state *prng);
unsigned long sprng_read(unsigned char *out, unsigned long outlen, prng_state *prng);
int sprng_done(prng_state *prng);
int sprng_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
int sprng_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
int sprng_test(void);
extern const struct ltc_prng_descriptor sprng_desc;
#endif
#ifdef LTC_SOBER128
int sober128_start(prng_state *prng);
int sober128_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
int sober128_ready(prng_state *prng);
unsigned long sober128_read(unsigned char *out, unsigned long outlen, prng_state *prng);
int sober128_done(prng_state *prng);
int sober128_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
int sober128_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
int sober128_test(void);
extern const struct ltc_prng_descriptor sober128_desc;
#endif
int find_prng(const char *name);
int register_prng(const struct ltc_prng_descriptor *prng);
int unregister_prng(const struct ltc_prng_descriptor *prng);
int register_all_prngs(void);
int prng_is_valid(int idx);
LTC_MUTEX_PROTO(ltc_prng_mutex)
/* Slow RNG you **might** be able to use to seed a PRNG with. Be careful as this
* might not work on all platforms as planned
*/
unsigned long rng_get_bytes(unsigned char *out,
unsigned long outlen,
void (*callback)(void));
int rng_make_prng(int bits, int wprng, prng_state *prng, void (*callback)(void));
#ifdef LTC_PRNG_ENABLE_LTC_RNG
extern unsigned long (*ltc_rng)(unsigned char *out, unsigned long outlen,
void (*callback)(void));
#endif
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */