audk/CryptoPkg/Include/Library/BaseCryptLib.h

1735 lines
55 KiB
C

/** @file
Defines base cryptographic library APIs.
The Base Cryptographic Library provides implementations of basic cryptography
primitives (Hash Serials, HMAC, RSA, Diffie-Hellman, etc) for UEFI security
functionality enabling.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __BASE_CRYPT_LIB_H__
#define __BASE_CRYPT_LIB_H__
///
/// MD4 digest size in bytes
///
#define MD4_DIGEST_SIZE 16
///
/// MD5 digest size in bytes
///
#define MD5_DIGEST_SIZE 16
///
/// SHA-1 digest size in bytes.
///
#define SHA1_DIGEST_SIZE 20
///
/// SHA-256 digest size in bytes
///
#define SHA256_DIGEST_SIZE 32
///
/// TDES block size in bytes
///
#define TDES_BLOCK_SIZE 8
///
/// AES block size in bytes
///
#define AES_BLOCK_SIZE 16
///
/// RSA Key Tags Definition used in RsaSetKey() function for key component identification.
///
typedef enum {
RsaKeyN, ///< RSA public Modulus (N)
RsaKeyE, ///< RSA Public exponent (e)
RsaKeyD, ///< RSA Private exponent (d)
RsaKeyP, ///< RSA secret prime factor of Modulus (p)
RsaKeyQ, ///< RSA secret prime factor of Modules (q)
RsaKeyDp, ///< p's CRT exponent (== d mod (p - 1))
RsaKeyDq, ///< q's CRT exponent (== d mod (q - 1))
RsaKeyQInv ///< The CRT coefficient (== 1/q mod p)
} RSA_KEY_TAG;
//=====================================================================================
// One-Way Cryptographic Hash Primitives
//=====================================================================================
/**
Retrieves the size, in bytes, of the context buffer required for MD4 hash operations.
@return The size, in bytes, of the context buffer required for MD4 hash operations.
**/
UINTN
EFIAPI
Md4GetContextSize (
VOID
);
/**
Initializes user-supplied memory pointed by Md4Context as MD4 hash context for
subsequent use.
If Md4Context is NULL, then ASSERT().
@param[out] Md4Context Pointer to MD4 context being initialized.
@retval TRUE MD4 context initialization succeeded.
@retval FALSE MD4 context initialization failed.
**/
BOOLEAN
EFIAPI
Md4Init (
OUT VOID *Md4Context
);
/**
Makes a copy of an existing MD4 context.
If Md4Context is NULL, then ASSERT().
If NewMd4Context is NULL, then ASSERT().
@param[in] Md4Context Pointer to MD4 context being copied.
@param[out] NewMd4Context Pointer to new MD4 context.
@retval TRUE MD4 context copy succeeded.
@retval FALSE MD4 context copy failed.
**/
BOOLEAN
EFIAPI
Md4Duplicate (
IN CONST VOID *Md4Context,
OUT VOID *NewMd4Context
);
/**
Digests the input data and updates MD4 context.
This function performs MD4 digest on a data buffer of the specified size.
It can be called multiple times to compute the digest of long or discontinuous data streams.
MD4 context should be already correctly intialized by Md4Init(), and should not be finalized
by Md4Final(). Behavior with invalid context is undefined.
If Md4Context is NULL, then ASSERT().
@param[in, out] Md4Context Pointer to the MD4 context.
@param[in] Data Pointer to the buffer containing the data to be hashed.
@param[in] DataSize Size of Data buffer in bytes.
@retval TRUE MD4 data digest succeeded.
@retval FALSE MD4 data digest failed.
**/
BOOLEAN
EFIAPI
Md4Update (
IN OUT VOID *Md4Context,
IN CONST VOID *Data,
IN UINTN DataSize
);
/**
Completes computation of the MD4 digest value.
This function completes MD4 hash computation and retrieves the digest value into
the specified memory. After this function has been called, the MD4 context cannot
be used again.
MD4 context should be already correctly intialized by Md4Init(), and should not be
finalized by Md4Final(). Behavior with invalid MD4 context is undefined.
If Md4Context is NULL, then ASSERT().
If HashValue is NULL, then ASSERT().
@param[in, out] Md4Context Pointer to the MD4 context.
@param[out] HashValue Pointer to a buffer that receives the MD4 digest
value (16 bytes).
@retval TRUE MD4 digest computation succeeded.
@retval FALSE MD4 digest computation failed.
**/
BOOLEAN
EFIAPI
Md4Final (
IN OUT VOID *Md4Context,
OUT UINT8 *HashValue
);
/**
Retrieves the size, in bytes, of the context buffer required for MD5 hash operations.
@return The size, in bytes, of the context buffer required for MD5 hash operations.
**/
UINTN
EFIAPI
Md5GetContextSize (
VOID
);
/**
Initializes user-supplied memory pointed by Md5Context as MD5 hash context for
subsequent use.
If Md5Context is NULL, then ASSERT().
@param[out] Md5Context Pointer to MD5 context being initialized.
@retval TRUE MD5 context initialization succeeded.
@retval FALSE MD5 context initialization failed.
**/
BOOLEAN
EFIAPI
Md5Init (
OUT VOID *Md5Context
);
/**
Makes a copy of an existing MD5 context.
If Md5Context is NULL, then ASSERT().
If NewMd5Context is NULL, then ASSERT().
@param[in] Md5Context Pointer to MD5 context being copied.
@param[out] NewMd5Context Pointer to new MD5 context.
@retval TRUE MD5 context copy succeeded.
@retval FALSE MD5 context copy failed.
**/
BOOLEAN
EFIAPI
Md5Duplicate (
IN CONST VOID *Md5Context,
OUT VOID *NewMd5Context
);
/**
Digests the input data and updates MD5 context.
This function performs MD5 digest on a data buffer of the specified size.
It can be called multiple times to compute the digest of long or discontinuous data streams.
MD5 context should be already correctly intialized by Md5Init(), and should not be finalized
by Md5Final(). Behavior with invalid context is undefined.
If Md5Context is NULL, then ASSERT().
@param[in, out] Md5Context Pointer to the MD5 context.
@param[in] Data Pointer to the buffer containing the data to be hashed.
@param[in] DataSize Size of Data buffer in bytes.
@retval TRUE MD5 data digest succeeded.
@retval FALSE MD5 data digest failed.
**/
BOOLEAN
EFIAPI
Md5Update (
IN OUT VOID *Md5Context,
IN CONST VOID *Data,
IN UINTN DataSize
);
/**
Completes computation of the MD5 digest value.
This function completes MD5 hash computation and retrieves the digest value into
the specified memory. After this function has been called, the MD5 context cannot
be used again.
MD5 context should be already correctly intialized by Md5Init(), and should not be
finalized by Md5Final(). Behavior with invalid MD5 context is undefined.
If Md5Context is NULL, then ASSERT().
If HashValue is NULL, then ASSERT().
@param[in, out] Md5Context Pointer to the MD5 context.
@param[out] HashValue Pointer to a buffer that receives the MD5 digest
value (16 bytes).
@retval TRUE MD5 digest computation succeeded.
@retval FALSE MD5 digest computation failed.
**/
BOOLEAN
EFIAPI
Md5Final (
IN OUT VOID *Md5Context,
OUT UINT8 *HashValue
);
/**
Retrieves the size, in bytes, of the context buffer required for SHA-1 hash operations.
@return The size, in bytes, of the context buffer required for SHA-1 hash operations.
**/
UINTN
EFIAPI
Sha1GetContextSize (
VOID
);
/**
Initializes user-supplied memory pointed by Sha1Context as SHA-1 hash context for
subsequent use.
If Sha1Context is NULL, then ASSERT().
@param[out] Sha1Context Pointer to SHA-1 context being initialized.
@retval TRUE SHA-1 context initialization succeeded.
@retval FALSE SHA-1 context initialization failed.
**/
BOOLEAN
EFIAPI
Sha1Init (
OUT VOID *Sha1Context
);
/**
Makes a copy of an existing SHA-1 context.
If Sha1Context is NULL, then ASSERT().
If NewSha1Context is NULL, then ASSERT().
@param[in] Sha1Context Pointer to SHA-1 context being copied.
@param[out] NewSha1Context Pointer to new SHA-1 context.
@retval TRUE SHA-1 context copy succeeded.
@retval FALSE SHA-1 context copy failed.
**/
BOOLEAN
EFIAPI
Sha1Duplicate (
IN CONST VOID *Sha1Context,
OUT VOID *NewSha1Context
);
/**
Digests the input data and updates SHA-1 context.
This function performs SHA-1 digest on a data buffer of the specified size.
It can be called multiple times to compute the digest of long or discontinuous data streams.
SHA-1 context should be already correctly intialized by Sha1Init(), and should not be finalized
by Sha1Final(). Behavior with invalid context is undefined.
If Sha1Context is NULL, then ASSERT().
@param[in, out] Sha1Context Pointer to the SHA-1 context.
@param[in] Data Pointer to the buffer containing the data to be hashed.
@param[in] DataSize Size of Data buffer in bytes.
@retval TRUE SHA-1 data digest succeeded.
@retval FALSE SHA-1 data digest failed.
**/
BOOLEAN
EFIAPI
Sha1Update (
IN OUT VOID *Sha1Context,
IN CONST VOID *Data,
IN UINTN DataSize
);
/**
Completes computation of the SHA-1 digest value.
This function completes SHA-1 hash computation and retrieves the digest value into
the specified memory. After this function has been called, the SHA-1 context cannot
be used again.
SHA-1 context should be already correctly intialized by Sha1Init(), and should not be
finalized by Sha1Final(). Behavior with invalid SHA-1 context is undefined.
If Sha1Context is NULL, then ASSERT().
If HashValue is NULL, then ASSERT().
@param[in, out] Sha1Context Pointer to the SHA-1 context.
@param[out] HashValue Pointer to a buffer that receives the SHA-1 digest
value (20 bytes).
@retval TRUE SHA-1 digest computation succeeded.
@retval FALSE SHA-1 digest computation failed.
**/
BOOLEAN
EFIAPI
Sha1Final (
IN OUT VOID *Sha1Context,
OUT UINT8 *HashValue
);
/**
Retrieves the size, in bytes, of the context buffer required for SHA-256 hash operations.
@return The size, in bytes, of the context buffer required for SHA-256 hash operations.
**/
UINTN
EFIAPI
Sha256GetContextSize (
VOID
);
/**
Initializes user-supplied memory pointed by Sha256Context as SHA-256 hash context for
subsequent use.
If Sha256Context is NULL, then ASSERT().
@param[out] Sha256Context Pointer to SHA-256 context being initialized.
@retval TRUE SHA-256 context initialization succeeded.
@retval FALSE SHA-256 context initialization failed.
**/
BOOLEAN
EFIAPI
Sha256Init (
OUT VOID *Sha256Context
);
/**
Makes a copy of an existing SHA-256 context.
If Sha256Context is NULL, then ASSERT().
If NewSha256Context is NULL, then ASSERT().
@param[in] Sha256Context Pointer to SHA-256 context being copied.
@param[out] NewSha256Context Pointer to new SHA-256 context.
@retval TRUE SHA-256 context copy succeeded.
@retval FALSE SHA-256 context copy failed.
**/
BOOLEAN
EFIAPI
Sha256Duplicate (
IN CONST VOID *Sha256Context,
OUT VOID *NewSha256Context
);
/**
Digests the input data and updates SHA-256 context.
This function performs SHA-256 digest on a data buffer of the specified size.
It can be called multiple times to compute the digest of long or discontinuous data streams.
SHA-256 context should be already correctly intialized by Sha256Init(), and should not be finalized
by Sha256Final(). Behavior with invalid context is undefined.
If Sha256Context is NULL, then ASSERT().
@param[in, out] Sha256Context Pointer to the SHA-256 context.
@param[in] Data Pointer to the buffer containing the data to be hashed.
@param[in] DataSize Size of Data buffer in bytes.
@retval TRUE SHA-256 data digest succeeded.
@retval FALSE SHA-256 data digest failed.
**/
BOOLEAN
EFIAPI
Sha256Update (
IN OUT VOID *Sha256Context,
IN CONST VOID *Data,
IN UINTN DataSize
);
/**
Completes computation of the SHA-256 digest value.
This function completes SHA-256 hash computation and retrieves the digest value into
the specified memory. After this function has been called, the SHA-256 context cannot
be used again.
SHA-256 context should be already correctly intialized by Sha256Init(), and should not be
finalized by Sha256Final(). Behavior with invalid SHA-256 context is undefined.
If Sha256Context is NULL, then ASSERT().
If HashValue is NULL, then ASSERT().
@param[in, out] Sha256Context Pointer to the SHA-256 context.
@param[out] HashValue Pointer to a buffer that receives the SHA-256 digest
value (32 bytes).
@retval TRUE SHA-256 digest computation succeeded.
@retval FALSE SHA-256 digest computation failed.
**/
BOOLEAN
EFIAPI
Sha256Final (
IN OUT VOID *Sha256Context,
OUT UINT8 *HashValue
);
//=====================================================================================
// MAC (Message Authentication Code) Primitive
//=====================================================================================
/**
Retrieves the size, in bytes, of the context buffer required for HMAC-MD5 operations.
@return The size, in bytes, of the context buffer required for HMAC-MD5 operations.
**/
UINTN
EFIAPI
HmacMd5GetContextSize (
VOID
);
/**
Initializes user-supplied memory pointed by HmacMd5Context as HMAC-MD5 context for
subsequent use.
If HmacMd5Context is NULL, then ASSERT().
@param[out] HmacMd5Context Pointer to HMAC-MD5 context being initialized.
@param[in] Key Pointer to the user-supplied key.
@param[in] KeySize Key size in bytes.
@retval TRUE HMAC-MD5 context initialization succeeded.
@retval FALSE HMAC-MD5 context initialization failed.
**/
BOOLEAN
EFIAPI
HmacMd5Init (
OUT VOID *HmacMd5Context,
IN CONST UINT8 *Key,
IN UINTN KeySize
);
/**
Makes a copy of an existing HMAC-MD5 context.
If HmacMd5Context is NULL, then ASSERT().
If NewHmacMd5Context is NULL, then ASSERT().
@param[in] HmacMd5Context Pointer to HMAC-MD5 context being copied.
@param[out] NewHmacMd5Context Pointer to new HMAC-MD5 context.
@retval TRUE HMAC-MD5 context copy succeeded.
@retval FALSE HMAC-MD5 context copy failed.
**/
BOOLEAN
EFIAPI
HmacMd5Duplicate (
IN CONST VOID *HmacMd5Context,
OUT VOID *NewHmacMd5Context
);
/**
Digests the input data and updates HMAC-MD5 context.
This function performs HMAC-MD5 digest on a data buffer of the specified size.
It can be called multiple times to compute the digest of long or discontinuous data streams.
HMAC-MD5 context should be already correctly intialized by HmacMd5Init(), and should not be
finalized by HmacMd5Final(). Behavior with invalid context is undefined.
If HmacMd5Context is NULL, then ASSERT().
@param[in, out] HmacMd5Context Pointer to the HMAC-MD5 context.
@param[in] Data Pointer to the buffer containing the data to be digested.
@param[in] DataSize Size of Data buffer in bytes.
@retval TRUE HMAC-MD5 data digest succeeded.
@retval FALSE HMAC-MD5 data digest failed.
**/
BOOLEAN
EFIAPI
HmacMd5Update (
IN OUT VOID *HmacMd5Context,
IN CONST VOID *Data,
IN UINTN DataSize
);
/**
Completes computation of the HMAC-MD5 digest value.
This function completes HMAC-MD5 hash computation and retrieves the digest value into
the specified memory. After this function has been called, the HMAC-MD5 context cannot
be used again.
HMAC-MD5 context should be already correctly intialized by HmacMd5Init(), and should not be
finalized by HmacMd5Final(). Behavior with invalid HMAC-MD5 context is undefined.
If HmacMd5Context is NULL, then ASSERT().
If HashValue is NULL, then ASSERT().
@param[in, out] HmacMd5Context Pointer to the HMAC-MD5 context.
@param[out] HashValue Pointer to a buffer that receives the HMAC-MD5 digest
value (16 bytes).
@retval TRUE HMAC-MD5 digest computation succeeded.
@retval FALSE HMAC-MD5 digest computation failed.
**/
BOOLEAN
EFIAPI
HmacMd5Final (
IN OUT VOID *HmacMd5Context,
OUT UINT8 *HmacValue
);
/**
Retrieves the size, in bytes, of the context buffer required for HMAC-SHA1 operations.
@return The size, in bytes, of the context buffer required for HMAC-SHA1 operations.
**/
UINTN
EFIAPI
HmacSha1GetContextSize (
VOID
);
/**
Initializes user-supplied memory pointed by HmacSha1Context as HMAC-SHA1 context for
subsequent use.
If HmacSha1Context is NULL, then ASSERT().
@param[out] HmacSha1Context Pointer to HMAC-SHA1 context being initialized.
@param[in] Key Pointer to the user-supplied key.
@param[in] KeySize Key size in bytes.
@retval TRUE HMAC-SHA1 context initialization succeeded.
@retval FALSE HMAC-SHA1 context initialization failed.
**/
BOOLEAN
EFIAPI
HmacSha1Init (
OUT VOID *HmacSha1Context,
IN CONST UINT8 *Key,
IN UINTN KeySize
);
/**
Makes a copy of an existing HMAC-SHA1 context.
If HmacSha1Context is NULL, then ASSERT().
If NewHmacSha1Context is NULL, then ASSERT().
@param[in] HmacSha1Context Pointer to HMAC-SHA1 context being copied.
@param[out] NewHmacSha1Context Pointer to new HMAC-SHA1 context.
@retval TRUE HMAC-SHA1 context copy succeeded.
@retval FALSE HMAC-SHA1 context copy failed.
**/
BOOLEAN
EFIAPI
HmacSha1Duplicate (
IN CONST VOID *HmacSha1Context,
OUT VOID *NewHmacSha1Context
);
/**
Digests the input data and updates HMAC-SHA1 context.
This function performs HMAC-SHA1 digest on a data buffer of the specified size.
It can be called multiple times to compute the digest of long or discontinuous data streams.
HMAC-SHA1 context should be already correctly intialized by HmacSha1Init(), and should not
be finalized by HmacSha1Final(). Behavior with invalid context is undefined.
If HmacSha1Context is NULL, then ASSERT().
@param[in, out] HmacSha1Context Pointer to the HMAC-SHA1 context.
@param[in] Data Pointer to the buffer containing the data to be digested.
@param[in] DataSize Size of Data buffer in bytes.
@retval TRUE HMAC-SHA1 data digest succeeded.
@retval FALSE HMAC-SHA1 data digest failed.
**/
BOOLEAN
EFIAPI
HmacSha1Update (
IN OUT VOID *HmacSha1Context,
IN CONST VOID *Data,
IN UINTN DataSize
);
/**
Completes computation of the HMAC-SHA1 digest value.
This function completes HMAC-SHA1 hash computation and retrieves the digest value into
the specified memory. After this function has been called, the HMAC-SHA1 context cannot
be used again.
HMAC-SHA1 context should be already correctly intialized by HmacSha1Init(), and should
not be finalized by HmacSha1Final(). Behavior with invalid HMAC-SHA1 context is undefined.
If HmacSha1Context is NULL, then ASSERT().
If HashValue is NULL, then ASSERT().
@param[in, out] HmacSha1Context Pointer to the HMAC-SHA1 context.
@param[out] HashValue Pointer to a buffer that receives the HMAC-SHA1 digest
value (20 bytes).
@retval TRUE HMAC-SHA1 digest computation succeeded.
@retval FALSE HMAC-SHA1 digest computation failed.
**/
BOOLEAN
EFIAPI
HmacSha1Final (
IN OUT VOID *HmacSha1Context,
OUT UINT8 *HmacValue
);
//=====================================================================================
// Symmetric Cryptography Primitive
//=====================================================================================
/**
Retrieves the size, in bytes, of the context buffer required for TDES operations.
@return The size, in bytes, of the context buffer required for TDES operations.
**/
UINTN
EFIAPI
TdesGetContextSize (
VOID
);
/**
Initializes user-supplied memory as TDES context for subsequent use.
This function initializes user-supplied memory pointed by TdesContext as TDES context.
In addtion, it sets up all TDES key materials for subsequent encryption and decryption
operations.
There are 3 key options as follows:
KeyLength = 64, Keying option 1: K1 == K2 == K3 (Backward compatibility with DES)
KeyLength = 128, Keying option 2: K1 != K2 and K3 = K1 (Less Security)
KeyLength = 192 Keying option 3: K1 != K2 != K3 (Strongest)
If TdesContext is NULL, then ASSERT().
If Key is NULL, then ASSERT().
If KeyLength is not valid, then ASSERT().
@param[out] TdesContext Pointer to TDES context being initialized.
@param[in] Key Pointer to the user-supplied TDES key.
@param[in] KeyLength Length of TDES key in bits.
@retval TRUE TDES context initialization succeeded.
@retval FALSE TDES context initialization failed.
**/
BOOLEAN
EFIAPI
TdesInit (
OUT VOID *TdesContext,
IN CONST UINT8 *Key,
IN UINTN KeyLength
);
/**
Performs TDES encryption on a data buffer of the specified size in ECB mode.
This function performs TDES encryption on data buffer pointed by Input, of specified
size of InputSize, in ECB mode.
InputSize must be multiple of block size (8 bytes). This function does not perform
padding. Caller must perform padding, if necessary, to ensure valid input data size.
TdesContext should be already correctly initialized by TdesInit(). Behavior with
invalid TDES context is undefined.
If TdesContext is NULL, then ASSERT().
If Input is NULL, then ASSERT().
If InputSize is not multiple of block size (8 bytes), then ASSERT().
If Output is NULL, then ASSERT().
@param[in] TdesContext Pointer to the TDES context.
@param[in] Input Pointer to the buffer containing the data to be encrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[out] Output Pointer to a buffer that receives the TDES encryption output.
@retval TRUE TDES encryption succeeded.
@retval FALSE TDES encryption failed.
**/
BOOLEAN
EFIAPI
TdesEcbEncrypt (
IN VOID *TdesContext,
IN CONST UINT8 *Input,
IN UINTN InputSize,
OUT UINT8 *Output
);
/**
Performs TDES decryption on a data buffer of the specified size in ECB mode.
This function performs TDES decryption on data buffer pointed by Input, of specified
size of InputSize, in ECB mode.
InputSize must be multiple of block size (8 bytes). This function does not perform
padding. Caller must perform padding, if necessary, to ensure valid input data size.
TdesContext should be already correctly initialized by TdesInit(). Behavior with
invalid TDES context is undefined.
If TdesContext is NULL, then ASSERT().
If Input is NULL, then ASSERT().
If InputSize is not multiple of block size (8 bytes), then ASSERT().
If Output is NULL, then ASSERT().
@param[in] TdesContext Pointer to the TDES context.
@param[in] Input Pointer to the buffer containing the data to be decrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[out] Output Pointer to a buffer that receives the TDES decryption output.
@retval TRUE TDES decryption succeeded.
@retval FALSE TDES decryption failed.
**/
BOOLEAN
EFIAPI
TdesEcbDecrypt (
IN VOID *TdesContext,
IN CONST UINT8 *Input,
IN UINTN InputSize,
OUT UINT8 *Output
);
/**
Performs TDES encryption on a data buffer of the specified size in CBC mode.
This function performs TDES encryption on data buffer pointed by Input, of specified
size of InputSize, in CBC mode.
InputSize must be multiple of block size (8 bytes). This function does not perform
padding. Caller must perform padding, if necessary, to ensure valid input data size.
Initialization vector should be one block size (8 bytes).
TdesContext should be already correctly initialized by TdesInit(). Behavior with
invalid TDES context is undefined.
If TdesContext is NULL, then ASSERT().
If Input is NULL, then ASSERT().
If InputSize is not multiple of block size (8 bytes), then ASSERT().
If Ivec is NULL, then ASSERT().
If Output is NULL, then ASSERT().
@param[in] TdesContext Pointer to the TDES context.
@param[in] Input Pointer to the buffer containing the data to be encrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[in] Ivec Pointer to initialization vector.
@param[out] Output Pointer to a buffer that receives the TDES encryption output.
@retval TRUE TDES encryption succeeded.
@retval FALSE TDES encryption failed.
**/
BOOLEAN
EFIAPI
TdesCbcEncrypt (
IN VOID *TdesContext,
IN CONST UINT8 *Input,
IN UINTN InputSize,
IN CONST UINT8 *Ivec,
OUT UINT8 *Output
);
/**
Performs TDES decryption on a data buffer of the specified size in CBC mode.
This function performs TDES decryption on data buffer pointed by Input, of specified
size of InputSize, in CBC mode.
InputSize must be multiple of block size (8 bytes). This function does not perform
padding. Caller must perform padding, if necessary, to ensure valid input data size.
Initialization vector should be one block size (8 bytes).
TdesContext should be already correctly initialized by TdesInit(). Behavior with
invalid TDES context is undefined.
If TdesContext is NULL, then ASSERT().
If Input is NULL, then ASSERT().
If InputSize is not multiple of block size (8 bytes), then ASSERT().
If Ivec is NULL, then ASSERT().
If Output is NULL, then ASSERT().
@param[in] TdesContext Pointer to the TDES context.
@param[in] Input Pointer to the buffer containing the data to be encrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[in] Ivec Pointer to initialization vector.
@param[out] Output Pointer to a buffer that receives the TDES encryption output.
@retval TRUE TDES decryption succeeded.
@retval FALSE TDES decryption failed.
**/
BOOLEAN
EFIAPI
TdesCbcDecrypt (
IN VOID *TdesContext,
IN CONST UINT8 *Input,
IN UINTN InputSize,
IN CONST UINT8 *Ivec,
OUT UINT8 *Output
);
/**
Retrieves the size, in bytes, of the context buffer required for AES operations.
@return The size, in bytes, of the context buffer required for AES operations.
**/
UINTN
EFIAPI
AesGetContextSize (
VOID
);
/**
Initializes user-supplied memory as AES context for subsequent use.
This function initializes user-supplied memory pointed by AesContext as AES context.
In addtion, it sets up all AES key materials for subsequent encryption and decryption
operations.
There are 3 options for key length, 128 bits, 192 bits, and 256 bits.
If AesContext is NULL, then ASSERT().
If Key is NULL, then ASSERT().
If KeyLength is not valid, then ASSERT().
@param[out] AesContext Pointer to AES context being initialized.
@param[in] Key Pointer to the user-supplied AES key.
@param[in] KeyLength Length of AES key in bits.
@retval TRUE AES context initialization succeeded.
@retval FALSE AES context initialization failed.
**/
BOOLEAN
EFIAPI
AesInit (
OUT VOID *AesContext,
IN CONST UINT8 *Key,
IN UINTN KeyLength
);
/**
Performs AES encryption on a data buffer of the specified size in ECB mode.
This function performs AES encryption on data buffer pointed by Input, of specified
size of InputSize, in ECB mode.
InputSize must be multiple of block size (16 bytes). This function does not perform
padding. Caller must perform padding, if necessary, to ensure valid input data size.
AesContext should be already correctly initialized by AesInit(). Behavior with
invalid AES context is undefined.
If AesContext is NULL, then ASSERT().
If Input is NULL, then ASSERT().
If InputSize is not multiple of block size (16 bytes), then ASSERT().
If Output is NULL, then ASSERT().
@param[in] AesContext Pointer to the AES context.
@param[in] Input Pointer to the buffer containing the data to be encrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[out] Output Pointer to a buffer that receives the AES encryption output.
@retval TRUE AES encryption succeeded.
@retval FALSE AES encryption failed.
**/
BOOLEAN
EFIAPI
AesEcbEncrypt (
IN VOID *AesContext,
IN CONST UINT8 *Input,
IN UINTN InputSize,
OUT UINT8 *Output
);
/**
Performs AES decryption on a data buffer of the specified size in ECB mode.
This function performs AES decryption on data buffer pointed by Input, of specified
size of InputSize, in ECB mode.
InputSize must be multiple of block size (16 bytes). This function does not perform
padding. Caller must perform padding, if necessary, to ensure valid input data size.
AesContext should be already correctly initialized by AesInit(). Behavior with
invalid AES context is undefined.
If AesContext is NULL, then ASSERT().
If Input is NULL, then ASSERT().
If InputSize is not multiple of block size (16 bytes), then ASSERT().
If Output is NULL, then ASSERT().
@param[in] AesContext Pointer to the AES context.
@param[in] Input Pointer to the buffer containing the data to be decrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[out] Output Pointer to a buffer that receives the AES decryption output.
@retval TRUE AES decryption succeeded.
@retval FALSE AES decryption failed.
**/
BOOLEAN
EFIAPI
AesEcbDecrypt (
IN VOID *AesContext,
IN CONST UINT8 *Input,
IN UINTN InputSize,
OUT UINT8 *Output
);
/**
Performs AES encryption on a data buffer of the specified size in CBC mode.
This function performs AES encryption on data buffer pointed by Input, of specified
size of InputSize, in CBC mode.
InputSize must be multiple of block size (16 bytes). This function does not perform
padding. Caller must perform padding, if necessary, to ensure valid input data size.
Initialization vector should be one block size (16 bytes).
AesContext should be already correctly initialized by AesInit(). Behavior with
invalid AES context is undefined.
If AesContext is NULL, then ASSERT().
If Input is NULL, then ASSERT().
If InputSize is not multiple of block size (16 bytes), then ASSERT().
If Ivec is NULL, then ASSERT().
If Output is NULL, then ASSERT().
@param[in] AesContext Pointer to the AES context.
@param[in] Input Pointer to the buffer containing the data to be encrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[in] Ivec Pointer to initialization vector.
@param[out] Output Pointer to a buffer that receives the AES encryption output.
@retval TRUE AES encryption succeeded.
@retval FALSE AES encryption failed.
**/
BOOLEAN
EFIAPI
AesCbcEncrypt (
IN VOID *AesContext,
IN CONST UINT8 *Input,
IN UINTN InputSize,
IN CONST UINT8 *Ivec,
OUT UINT8 *Output
);
/**
Performs AES decryption on a data buffer of the specified size in CBC mode.
This function performs AES decryption on data buffer pointed by Input, of specified
size of InputSize, in CBC mode.
InputSize must be multiple of block size (16 bytes). This function does not perform
padding. Caller must perform padding, if necessary, to ensure valid input data size.
Initialization vector should be one block size (16 bytes).
AesContext should be already correctly initialized by AesInit(). Behavior with
invalid AES context is undefined.
If AesContext is NULL, then ASSERT().
If Input is NULL, then ASSERT().
If InputSize is not multiple of block size (16 bytes), then ASSERT().
If Ivec is NULL, then ASSERT().
If Output is NULL, then ASSERT().
@param[in] AesContext Pointer to the AES context.
@param[in] Input Pointer to the buffer containing the data to be encrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[in] Ivec Pointer to initialization vector.
@param[out] Output Pointer to a buffer that receives the AES encryption output.
@retval TRUE AES decryption succeeded.
@retval FALSE AES decryption failed.
**/
BOOLEAN
EFIAPI
AesCbcDecrypt (
IN VOID *AesContext,
IN CONST UINT8 *Input,
IN UINTN InputSize,
IN CONST UINT8 *Ivec,
OUT UINT8 *Output
);
/**
Retrieves the size, in bytes, of the context buffer required for ARC4 operations.
@return The size, in bytes, of the context buffer required for ARC4 operations.
**/
UINTN
EFIAPI
Arc4GetContextSize (
VOID
);
/**
Initializes user-supplied memory as ARC4 context for subsequent use.
This function initializes user-supplied memory pointed by Arc4Context as ARC4 context.
In addtion, it sets up all ARC4 key materials for subsequent encryption and decryption
operations.
If Arc4Context is NULL, then ASSERT().
If Key is NULL, then ASSERT().
If KeySize does not in the range of [5, 256] bytes, then ASSERT().
@param[out] Arc4Context Pointer to ARC4 context being initialized.
@param[in] Key Pointer to the user-supplied ARC4 key.
@param[in] KeySize Size of ARC4 key in bytes.
@retval TRUE ARC4 context initialization succeeded.
@retval FALSE ARC4 context initialization failed.
**/
BOOLEAN
EFIAPI
Arc4Init (
OUT VOID *Arc4Context,
IN CONST UINT8 *Key,
IN UINTN KeySize
);
/**
Performs ARC4 encryption on a data buffer of the specified size.
This function performs ARC4 encryption on data buffer pointed by Input, of specified
size of InputSize.
Arc4Context should be already correctly initialized by Arc4Init(). Behavior with
invalid ARC4 context is undefined.
If Arc4Context is NULL, then ASSERT().
If Input is NULL, then ASSERT().
If Output is NULL, then ASSERT().
@param[in] Arc4Context Pointer to the ARC4 context.
@param[in] Input Pointer to the buffer containing the data to be encrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[out] Output Pointer to a buffer that receives the ARC4 encryption output.
@retval TRUE ARC4 encryption succeeded.
@retval FALSE ARC4 encryption failed.
**/
BOOLEAN
EFIAPI
Arc4Encrypt (
IN OUT VOID *Arc4Context,
IN CONST UINT8 *Input,
IN UINTN InputSize,
OUT UINT8 *Output
);
/**
Performs ARC4 decryption on a data buffer of the specified size.
This function performs ARC4 decryption on data buffer pointed by Input, of specified
size of InputSize.
Arc4Context should be already correctly initialized by Arc4Init(). Behavior with
invalid ARC4 context is undefined.
If Arc4Context is NULL, then ASSERT().
If Input is NULL, then ASSERT().
If Output is NULL, then ASSERT().
@param[in] Arc4Context Pointer to the ARC4 context.
@param[in] Input Pointer to the buffer containing the data to be decrypted.
@param[in] InputSize Size of the Input buffer in bytes.
@param[out] Output Pointer to a buffer that receives the ARC4 decryption output.
@retval TRUE ARC4 decryption succeeded.
@retval FALSE ARC4 decryption failed.
**/
BOOLEAN
EFIAPI
Arc4Decrypt (
IN OUT VOID *Arc4Context,
IN UINT8 *Input,
IN UINTN InputSize,
OUT UINT8 *Output
);
/**
Resets the ARC4 context to the initial state.
The function resets the ARC4 context to the state it had immediately after the
ARC4Init() function call.
Contrary to ARC4Init(), Arc4Reset() requires no secret key as input, but ARC4 context
should be already correctly initialized by ARC4Init().
If Arc4Context is NULL, then ASSERT().
@param[in, out] Arc4Context Pointer to the ARC4 context.
@retval TRUE ARC4 reset succeeded.
@retval FALSE ARC4 reset failed.
**/
BOOLEAN
EFIAPI
Arc4Reset (
IN OUT VOID *Arc4Context
);
//=====================================================================================
// Asymmetric Cryptography Primitive
//=====================================================================================
/**
Allocates and initializes one RSA context for subsequent use.
@return Pointer to the RSA context that has been initialized.
If the allocations fails, RsaNew() returns NULL.
**/
VOID *
EFIAPI
RsaNew (
VOID
);
/**
Release the specified RSA context.
If RsaContext is NULL, then ASSERT().
@param[in] RsaContext Pointer to the RSA context to be released.
**/
VOID
EFIAPI
RsaFree (
IN VOID *RsaContext
);
/**
Sets the tag-designated key component into the established RSA context.
This function sets the tag-designated RSA key component into the established
RSA context from the user-specified non-negative integer (octet string format
represented in RSA PKCS#1).
If BigNumber is NULL, then the specified key componenet in RSA context is cleared.
If RsaContext is NULL, then ASSERT().
@param[in, out] RsaContext Pointer to RSA context being set.
@param[in] KeyTag Tag of RSA key component being set.
@param[in] BigNumber Pointer to octet integer buffer.
If NULL, then the specified key componenet in RSA
context is cleared.
@param[in] BnSize Size of big number buffer in bytes.
If BigNumber is NULL, then it is ignored.
@retval TRUE RSA key component was set successfully.
@retval FALSE Invalid RSA key component tag.
**/
BOOLEAN
EFIAPI
RsaSetKey (
IN OUT VOID *RsaContext,
IN RSA_KEY_TAG KeyTag,
IN CONST UINT8 *BigNumber,
IN UINTN BnSize
);
/**
Gets the tag-designated RSA key component from the established RSA context.
This function retrieves the tag-designated RSA key component from the
established RSA context as a non-negative integer (octet string format
represented in RSA PKCS#1).
If specified key component has not been set or has been cleared, then returned
BnSize is set to 0.
If the BigNumber buffer is too small to hold the contents of the key, FALSE
is returned and BnSize is set to the required buffer size to obtain the key.
If RsaContext is NULL, then ASSERT().
If BnSize is NULL, then ASSERT().
If BnSize is large enough but BigNumber is NULL, then ASSERT().
@param[in, out] RsaContext Pointer to RSA context being set.
@param[in] KeyTag Tag of RSA key component being set.
@param[out] BigNumber Pointer to octet integer buffer.
@param[in, out] BnSize On input, the size of big number buffer in bytes.
On output, the size of data returned in big number buffer in bytes.
@retval TRUE RSA key component was retrieved successfully.
@retval FALSE Invalid RSA key component tag.
@retval FALSE BnSize is too small.
**/
BOOLEAN
EFIAPI
RsaGetKey (
IN OUT VOID *RsaContext,
IN RSA_KEY_TAG KeyTag,
OUT UINT8 *BigNumber,
IN OUT UINTN *BnSize
);
/**
Generates RSA key components.
This function generates RSA key components. It takes RSA public exponent E and
length in bits of RSA modulus N as input, and generates all key components.
If PublicExponent is NULL, the default RSA public exponent (0x10001) will be used.
Before this function can be invoked, pseudorandom number generator must be correctly
initialized by RandomSeed().
If RsaContext is NULL, then ASSERT().
@param[in, out] RsaContext Pointer to RSA context being set.
@param[in] ModulusLength Length of RSA modulus N in bits.
@param[in] PublicExponent Pointer to RSA public exponent.
@param[in] PublicExponentSize Size of RSA public exponent buffer in bytes.
@retval TRUE RSA key component was generated successfully.
@retval FALSE Invalid RSA key component tag.
**/
BOOLEAN
EFIAPI
RsaGenerateKey (
IN OUT VOID *RsaContext,
IN UINTN ModulusLength,
IN CONST UINT8 *PublicExponent,
IN UINTN PublicExponentSize
);
/**
Validates key components of RSA context.
This function validates key compoents of RSA context in following aspects:
- Whether p is a prime
- Whether q is a prime
- Whether n = p * q
- Whether d*e = 1 mod lcm(p-1,q-1)
If RsaContext is NULL, then ASSERT().
@param[in] RsaContext Pointer to RSA context to check.
@retval TRUE RSA key components are valid.
@retval FALSE RSA key components are not valid.
**/
BOOLEAN
EFIAPI
RsaCheckKey (
IN VOID *RsaContext
);
/**
Carries out the RSA-SSA signature generation with EMSA-PKCS1-v1_5 encoding scheme.
This function carries out the RSA-SSA signature generation with EMSA-PKCS1-v1_5 encoding scheme defined in
RSA PKCS#1.
If the Signature buffer is too small to hold the contents of signature, FALSE
is returned and SigSize is set to the required buffer size to obtain the signature.
If RsaContext is NULL, then ASSERT().
If MessageHash is NULL, then ASSERT().
If HashSize is not equal to the size of MD5, SHA-1, SHA-256, SHA-224, SHA-512 or SHA-384 digest, then ASSERT().
If SigSize is large enough but Signature is NULL, then ASSERT().
@param[in] RsaContext Pointer to RSA context for signature generation.
@param[in] MessageHash Pointer to octet message hash to be signed.
@param[in] HashSize Size of the message hash in bytes.
@param[out] Signature Pointer to buffer to receive RSA PKCS1-v1_5 signature.
@param[in, out] SigSize On input, the size of Signature buffer in bytes.
On output, the size of data returned in Signature buffer in bytes.
@retval TRUE Signature successfully generated in PKCS1-v1_5.
@retval FALSE Signature generation failed.
@retval FALSE SigSize is too small.
**/
BOOLEAN
EFIAPI
RsaPkcs1Sign (
IN VOID *RsaContext,
IN CONST UINT8 *MessageHash,
IN UINTN HashSize,
OUT UINT8 *Signature,
IN OUT UINTN *SigSize
);
/**
Verifies the RSA-SSA signature with EMSA-PKCS1-v1_5 encoding scheme defined in
RSA PKCS#1.
If RsaContext is NULL, then ASSERT().
If MessageHash is NULL, then ASSERT().
If Signature is NULL, then ASSERT().
If HashSize is not equal to the size of MD5, SHA-1, SHA-256, SHA-224, SHA-512 or SHA-384 digest, then ASSERT().
@param[in] RsaContext Pointer to RSA context for signature verification.
@param[in] MessageHash Pointer to octet message hash to be checked.
@param[in] HashSize Size of the message hash in bytes.
@param[in] Signature Pointer to RSA PKCS1-v1_5 signature to be verified.
@param[in] SigSize Size of signature in bytes.
@retval TRUE Valid signature encoded in PKCS1-v1_5.
@retval FALSE Invalid signature or invalid RSA context.
**/
BOOLEAN
EFIAPI
RsaPkcs1Verify (
IN VOID *RsaContext,
IN CONST UINT8 *MessageHash,
IN UINTN HashSize,
IN UINT8 *Signature,
IN UINTN SigSize
);
/**
Retrieve the RSA Private Key from the password-protected PEM key data.
@param[in] PemData Pointer to the PEM-encoded key data to be retrieved.
@param[in] PemSize Size of the PEM key data in bytes.
@param[in] Password NULL-terminated passphrase used for encrypted PEM key data.
@param[out] RsaContext Pointer to new-generated RSA context which contain the retrieved
RSA private key component. Use RsaFree() function to free the
resource.
If PemData is NULL, then ASSERT().
If RsaContext is NULL, then ASSERT().
@retval TRUE RSA Private Key was retrieved successfully.
@retval FALSE Invalid PEM key data or incorrect password.
**/
BOOLEAN
EFIAPI
RsaGetPrivateKeyFromPem (
IN CONST UINT8 *PemData,
IN UINTN PemSize,
IN CONST CHAR8 *Password,
OUT VOID **RsaContext
);
/**
Retrieve the RSA Public Key from one DER-encoded X509 certificate.
@param[in] Cert Pointer to the DER-encoded X509 certificate.
@param[in] CertSize Size of the X509 certificate in bytes.
@param[out] RsaContext Pointer to new-generated RSA context which contain the retrieved
RSA public key component. Use RsaFree() function to free the
resource.
If Cert is NULL, then ASSERT().
If RsaContext is NULL, then ASSERT().
@retval TRUE RSA Public Key was retrieved successfully.
@retval FALSE Fail to retrieve RSA public key from X509 certificate.
**/
BOOLEAN
EFIAPI
RsaGetPublicKeyFromX509 (
IN CONST UINT8 *Cert,
IN UINTN CertSize,
OUT VOID **RsaContext
);
/**
Retrieve the subject bytes from one X.509 certificate.
@param[in] Cert Pointer to the DER-encoded X509 certificate.
@param[in] CertSize Size of the X509 certificate in bytes.
@param[out] CertSubject Pointer to the retrieved certificate subject bytes.
@param[in, out] SubjectSize The size in bytes of the CertSubject buffer on input,
and the size of buffer returned CertSubject on output.
If Cert is NULL, then ASSERT().
If SubjectSize is NULL, then ASSERT().
@retval TRUE The certificate subject retrieved successfully.
@retval FALSE Invalid certificate, or the SubjectSize is too small for the result.
The SubjectSize will be updated with the required size.
**/
BOOLEAN
EFIAPI
X509GetSubjectName (
IN CONST UINT8 *Cert,
IN UINTN CertSize,
OUT UINT8 *CertSubject,
IN OUT UINTN *SubjectSize
);
/**
Verify one X509 certificate was issued by the trusted CA.
@param[in] Cert Pointer to the DER-encoded X509 certificate to be verified.
@param[in] CertSize Size of the X509 certificate in bytes.
@param[in] CACert Pointer to the DER-encoded trusted CA certificate.
@param[in] CACertSize Size of the CA Certificate in bytes.
If Cert is NULL, then ASSERT().
If CACert is NULL, then ASSERT().
@retval TRUE The certificate was issued by the trusted CA.
@retval FALSE Invalid certificate or the certificate was not issued by the given
trusted CA.
**/
BOOLEAN
EFIAPI
X509VerifyCert (
IN CONST UINT8 *Cert,
IN UINTN CertSize,
IN CONST UINT8 *CACert,
IN UINTN CACertSize
);
/**
Verifies the validility of a PKCS#7 signed data as described in "PKCS #7: Cryptographic
Message Syntax Standard".
If P7Data is NULL, then ASSERT().
@param[in] P7Data Pointer to the PKCS#7 message to verify.
@param[in] P7Size Size of the PKCS#7 message in bytes.
@param[in] TrustedCert Pointer to a trusted/root certificate encoded in DER, which
is used for certificate chain verification.
@param[in] CertSize Size of the trusted certificate in bytes.
@param[in] InData Pointer to the content to be verified.
@param[in] DataSize Size of InData in bytes.
@retval TRUE The specified PKCS#7 signed data is valid.
@retval FALSE Invalid PKCS#7 signed data.
**/
BOOLEAN
EFIAPI
Pkcs7Verify (
IN CONST UINT8 *P7Data,
IN UINTN P7Size,
IN CONST UINT8 *TrustedCert,
IN UINTN CertSize,
IN CONST UINT8 *InData,
IN UINTN DataSize
);
//=====================================================================================
// DH Key Exchange Primitive
//=====================================================================================
/**
Allocates and Initializes one Diffie-Hellman Context for subsequent use.
@return Pointer to the Diffie-Hellman Context that has been initialized.
If the allocations fails, DhNew() returns NULL.
**/
VOID *
EFIAPI
DhNew (
VOID
);
/**
Release the specified DH context.
If DhContext is NULL, then ASSERT().
@param[in] DhContext Pointer to the DH context to be released.
**/
VOID
EFIAPI
DhFree (
IN VOID *DhContext
);
/**
Generates DH parameter.
Given generator g, and length of prime number p in bits, this function generates p,
and sets DH context according to value of g and p.
Before this function can be invoked, pseudorandom number generator must be correctly
initialized by RandomSeed().
If DhContext is NULL, then ASSERT().
If Prime is NULL, then ASSERT().
@param[in, out] DhContext Pointer to the DH context.
@param[in] Generator Value of generator.
@param[in] PrimeLength Length in bits of prime to be generated.
@param[out] Prime Pointer to the buffer to receive the generated prime number.
@retval TRUE DH pamameter generation succeeded.
@retval FALSE Value of Generator is not supported.
@retval FALSE PRNG fails to generate random prime number with PrimeLength.
**/
BOOLEAN
EFIAPI
DhGenerateParameter (
IN OUT VOID *DhContext,
IN UINTN Generator,
IN UINTN PrimeLength,
OUT UINT8 *Prime
);
/**
Sets generator and prime parameters for DH.
Given generator g, and prime number p, this function and sets DH
context accordingly.
If DhContext is NULL, then ASSERT().
If Prime is NULL, then ASSERT().
@param[in, out] DhContext Pointer to the DH context.
@param[in] Generator Value of generator.
@param[in] PrimeLength Length in bits of prime to be generated.
@param[in] Prime Pointer to the prime number.
@retval TRUE DH pamameter setting succeeded.
@retval FALSE Value of Generator is not supported.
@retval FALSE Value of Generator is not suitable for the Prime.
@retval FALSE Value of Prime is not a prime number.
@retval FALSE Value of Prime is not a safe prime number.
**/
BOOLEAN
EFIAPI
DhSetParameter (
IN OUT VOID *DhContext,
IN UINTN Generator,
IN UINTN PrimeLength,
IN CONST UINT8 *Prime
);
/**
Generates DH public key.
This function generates random secret exponent, and computes the public key, which is
returned via parameter PublicKey and PublicKeySize. DH context is updated accordingly.
If the PublicKey buffer is too small to hold the public key, FALSE is returned and
PublicKeySize is set to the required buffer size to obtain the public key.
If DhContext is NULL, then ASSERT().
If PublicKeySize is NULL, then ASSERT().
If PublicKeySize is large enough but PublicKey is NULL, then ASSERT().
@param[in, out] DhContext Pointer to the DH context.
@param[out] PublicKey Pointer to the buffer to receive generated public key.
@param[in, out] PublicKeySize On input, the size of PublicKey buffer in bytes.
On output, the size of data returned in PublicKey buffer in bytes.
@retval TRUE DH public key generation succeeded.
@retval FALSE DH public key generation failed.
@retval FALSE PublicKeySize is not large enough.
**/
BOOLEAN
EFIAPI
DhGenerateKey (
IN OUT VOID *DhContext,
OUT UINT8 *PublicKey,
IN OUT UINTN *PublicKeySize
);
/**
Computes exchanged common key.
Given peer's public key, this function computes the exchanged common key, based on its own
context including value of prime modulus and random secret exponent.
If DhContext is NULL, then ASSERT().
If PeerPublicKey is NULL, then ASSERT().
If KeySize is NULL, then ASSERT().
If KeySize is large enough but Key is NULL, then ASSERT().
@param[in, out] DhContext Pointer to the DH context.
@param[in] PeerPublicKey Pointer to the peer's public key.
@param[in] PeerPublicKeySize Size of peer's public key in bytes.
@param[out] Key Pointer to the buffer to receive generated key.
@param[in, out] KeySize On input, the size of Key buffer in bytes.
On output, the size of data returned in Key buffer in bytes.
@retval TRUE DH exchanged key generation succeeded.
@retval FALSE DH exchanged key generation failed.
@retval FALSE KeySize is not large enough.
**/
BOOLEAN
EFIAPI
DhComputeKey (
IN OUT VOID *DhContext,
IN CONST UINT8 *PeerPublicKey,
IN UINTN PeerPublicKeySize,
OUT UINT8 *Key,
IN OUT UINTN *KeySize
);
//=====================================================================================
// Pseudo-Random Generation Primitive
//=====================================================================================
/**
Sets up the seed value for the pseudorandom number generator.
This function sets up the seed value for the pseudorandom number generator.
If Seed is not NULL, then the seed passed in is used.
If Seed is NULL, then default seed is used.
@param[in] Seed Pointer to seed value.
If NULL, default seed is used.
@param[in] SeedSize Size of seed value.
If Seed is NULL, this parameter is ignored.
@retval TRUE Pseudorandom number generator has enough entropy for random generation.
@retval FALSE Pseudorandom number generator does not have enough entropy for random generation.
**/
BOOLEAN
EFIAPI
RandomSeed (
IN CONST UINT8 *Seed OPTIONAL,
IN UINTN SeedSize
);
/**
Generates a pseudorandom byte stream of the specified size.
If Output is NULL, then ASSERT().
@param[out] Output Pointer to buffer to receive random value.
@param[in] Size Size of randome bytes to generate.
@retval TRUE Pseudorandom byte stream generated successfully.
@retval FALSE Pseudorandom number generator fails to generate due to lack of entropy.
**/
BOOLEAN
EFIAPI
RandomBytes (
OUT UINT8 *Output,
IN UINTN Size
);
#endif // __BASE_CRYPT_LIB_H__