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crypto interface

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This commit is contained in:
Manoj Ampalam 2015-12-05 00:52:43 -08:00
parent 732f0444ff
commit 5f12316653
1 changed files with 37 additions and 0 deletions
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37
sshcryptointerface.h Normal file
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//Initializers
//openSSL
struct sshdh *sshdh_openssl_new(void);
//ms_cng
struct sshdh *sshdh_ms_cng_new(void);
//need to think about this one
struct sshdh *sshdh_new_group(struct sshbn *gen, struct sshbn *modulus);
struct sshdh{
//Interface
void (*sshdh_free)(struct sshdh *dh);
struct sshbn *(*sshdh_pubkey)(struct sshdh *dh);
struct sshbn *(*sshdh_p)(struct sshdh *dh);
struct sshbn *(*sshdh_g)(struct sshdh *dh);
void (*sshdh_dump)(struct sshdh *dh);
size_t (*sshdh_shared_key_size)(struct sshdh *dh);
int (*sshdh_compute_key)(struct sshdh *dh, struct sshbn *pubkey, struct sshbn **shared_secretp);
int (*sshdh_generate)(struct sshdh *dh, size_t len);
int (*sshdh_new_group_hex)(const char *gen, const char *modulus, struct sshdh **dhp);
//Initializer of sshbn done in the context of a sshdh.
struct sshbn *(*sshbn_new)();
};
struct sshbn {
void (*sshbn_free)(struct sshbn *bn);
int (*sshbn_from)(const void *d, size_t l, struct sshbn **retp);
int (*sshbn_from_hex)(const char *hex, struct sshbn **retp);
size_t (*sshbn_bits)(const struct sshbn *bn);
const struct sshbn *(*sshbn_value_0)(void);
const struct sshbn *(*sshbn_value_1)(void);
int (*sshbn_is_bit_set)(const struct sshbn *bn, size_t i);
//TODO: enforce that multiple sshbn instances involved are from the same implementation.
int sshbn_cmp(const struct sshbn *b);
int sshbn_sub(struct sshbn *r, const struct sshbn *b);
};