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/*
* CAU Header File
* Works with library cau_lib.a and lib_mmcau*.a
* Define FREESCALE_CAU if CAU coprocessor is used --Register parameter passing is assumed
* Define FREESCALE_MMCAU if mmCAU coprocessor is used --EABI for Kinetis ARM Cortex-Mx
* 12/19/2013
*/
#if FREESCALE_MMCAU
#define cau_aes_set_key mmcau_aes_set_key
#define cau_aes_encrypt mmcau_aes_encrypt
#define cau_aes_decrypt mmcau_aes_decrypt
#define cau_des_chk_parity mmcau_des_chk_parity
#define cau_des_encrypt mmcau_des_encrypt
#define cau_des_decrypt mmcau_des_decrypt
#define cau_md5_initialize_output mmcau_md5_initialize_output
#define cau_md5_hash_n mmcau_md5_hash_n
#define cau_md5_update mmcau_md5_update
#define cau_md5_hash mmcau_md5_hash
#define cau_sha1_initialize_output mmcau_sha1_initialize_output
#define cau_sha1_hash_n mmcau_sha1_hash_n
#define cau_sha1_update mmcau_sha1_update
#define cau_sha1_hash mmcau_sha1_hash
#define cau_sha256_initialize_output mmcau_sha256_initialize_output
#define cau_sha256_hash_n mmcau_sha256_hash_n
#define cau_sha256_update mmcau_sha256_update
#define cau_sha256_hash mmcau_sha256_hash
#endif
//******************************************************************************
//
// AES: Performs an AES key expansion
// arguments
// *key pointer to input key (128, 192, 256 bits in length)
// key_size key_size in bits (128, 192, 256)
// *key_sch pointer to key schedule output (44, 52, 60 longwords)
//
// calling convention
// void cau_aes_set_key (const unsigned char *key,
// const int key_size,
// unsigned char *key_sch)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_aes_set_key (const unsigned char *key, const int key_size,
unsigned char *key_sch);
//******************************************************************************
//******************************************************************************
//
// AES: Encrypts a single 16-byte block
// arguments
// *in pointer to 16-byte block of input plaintext
// *key_sch pointer to key schedule (44, 52, 60 longwords)
// nr number of AES rounds (10, 12, 14 = f(key_schedule))
// *out pointer to 16-byte block of output ciphertext
//
// NOTE Input and output blocks may overlap
//
// calling convention
// void cau_aes_encrypt (const unsigned char *in,
// const unsigned char *key_sch,
// const int nr,
// unsigned char *out)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_aes_encrypt (const unsigned char *in, const unsigned char *key_sch,
const int nr, unsigned char *out);
//******************************************************************************
//******************************************************************************
//
// AES: Decrypts a single 16-byte block
// arguments
// *in pointer to 16-byte block of input chiphertext
// *key_sch pointer to key schedule (44, 52, 60 longwords)
// nr number of AES rounds (10, 12, 14 = f(key_schedule))
// *out pointer to 16-byte block of output plaintext
//
// NOTE Input and output blocks may overlap
//
// calling convention
// void cau_aes_decrypt (const unsigned char *in,
// const unsigned char *key_sch,
// const int nr,
// unsigned char *out)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_aes_decrypt (const unsigned char *in, const unsigned char *key_sch,
const int nr, unsigned char *out);
//******************************************************************************
//
// DES: Checks key parity
// arguments
// *key pointer to 64-bit DES key with parity bits
//
// return
// 0 no error
// -1 parity error
//
// calling convention
// int cau_des_chk_parity (const unsigned char *key)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
int
cau_des_chk_parity (const unsigned char *key);
//******************************************************************************
//
// DES: Encrypts a single 8-byte block
// arguments
// *in pointer to 8-byte block of input plaintext
// *key pointer to 64-bit DES key with parity bits
// *out pointer to 8-byte block of output ciphertext
//
// NOTE Input and output blocks may overlap
//
// calling convention
// void cau_des_encrypt (const unsigned char *in,
// const unsigned char *key,
// unsigned char *out)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_des_encrypt (const unsigned char *in, const unsigned char *key,
unsigned char *out);
//******************************************************************************
//
// DES: Decrypts a single 8-byte block
// arguments
// *in pointer to 8-byte block of input ciphertext
// *key pointer to 64-bit DES key with parity bits
// *out pointer to 8-byte block of output plaintext
//
// NOTE Input and output blocks may overlap
//
// calling convention
// void cau_des_decrypt (const unsigned char *in,
// const unsigned char *key,
// unsigned char *out)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_des_decrypt (const unsigned char *in, const unsigned char *key,
unsigned char *out);
//******************************************************************************
//******************************************************************************
//
// MD5: Initializes the MD5 state variables
// arguments
// *md_state pointer to 120-bit block of md5 state variables:
// a,b,c,d
//
// calling convention
// void cau_md5_initialize_output (const unsigned char *md_state)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_md5_initialize_output (const unsigned char *md5_state);
//******************************************************************************
//******************************************************************************
//
// MD5: Updates MD5 state variables for one or more input message blocks
//
// arguments
// *msg_data pointer to start of input message data
// num_blks number of 512-bit blocks to process
// *md_state pointer to 128-bit block of MD5 state variables:
// a,b,c,d
//
// calling convention
// void cau_md5_hash_n (const unsigned char *msg_data,
// const int num_blks,
// unsigned char *md_state)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_md5_hash_n (const unsigned char *msg_data, const int num_blks,
unsigned char *md5_state);
//******************************************************************************
//******************************************************************************
//
// MD5: Updates MD5 state variables for one or more input message blocks
// arguments
// *msg_data pointer to start of input message data
// num_blks number of 512-bit blocks to process
// *md_state pointer to 128-bit block of MD5 state variables:
// a,b,c,d
//
// calling convention
// void cau_md5_update (const unsigned char *msg_data,
// const int num_blks,
// unsigned char *md_state)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_md5_update (const unsigned char *msg_data, const int num_blks,
unsigned char *md5_state);
//******************************************************************************
//******************************************************************************
//
// MD5: Performs MD5 hash algorithm for a single input message block
// *msg_data pointer to start of input message data
// *md_state pointer to 128-bit block of MD5 state variables:
// a,b,c,d
//
// calling convention
// void cau_md5_hash (const unsigned char *msg_data,
// unsigned char *md_state)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_md5_hash (const unsigned char *msg_data, unsigned char *md5_state);
//******************************************************************************
//******************************************************************************
//
// SHA1: Initializes the SHA1 state variables
// arguments
// *sha1_state pointer to 160-bit block of SHA1 state variables:
// a,b,c,d,e
//
// calling convention
// void cau_sha1_initialize_output (const unsigned int *sha1_state)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_sha1_initialize_output (const unsigned int *sha1_state);
//******************************************************************************
//******************************************************************************
//
// SHA1: Perform the hash and generate SHA1 state variables for one or more
// input message blocks
// arguments
// *msg_data pointer to start of input message data
// num_blks number of 512-bit blocks to process
// *sha1_state pointer to 160-bit block of SHA1 state variables:
// a,b,c,d,e
//
// NOTE Input message and state variable output blocks must not overlap
//
// calling convention
// void cau_sha1_hash (const unsigned char *msg_data,
// const int num_blks,
// unsigned int *sha1_state)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_sha1_hash_n (const unsigned char *msg_data, const int num_blks,
unsigned int *sha1_state);
//******************************************************************************
//******************************************************************************
//
// SHA1: Updates SHA1 state variables for one or more input message blocks
// arguments
// *msg_data pointer to start of input message data
// num_blks number of 512-bit blocks to process
// *sha1_state pointer to 160-bit block of SHA1 state variables:
// a,b,c,d,e
//
// calling convention
// void cau_sha1_update (const unsigned char *msg_data,
// const int num_blks,
// unsigned int *sha1_state)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_sha1_update (const unsigned char *msg_data, const int num_blks,
unsigned int *sha1_state);
//******************************************************************************
//******************************************************************************
//
// SHA1: Performs SHA1 hash algorithm on a single input message block
// arguments
// *msg_data pointer to start of input message data
// *sha1_state pointer to 160-bit block of SHA1 state variables:
// a,b,c,d,e
//
// calling convention
// void cau_sha1_update (const unsigned char *msg_data,
// unsigned int *sha1_state)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_sha1_hash (const unsigned char *msg_data,
unsigned int *sha1_state);
//******************************************************************************
//******************************************************************************
//
// SHA256: Initializes the hash output and checks the CAU hardware revision
// arguments
// *output pointer to 256-bit message digest output
//
// return
// 0 no error -> CAU2 hardware present
// -1 error -> incorrect CAU hardware revision
//
// calling convention
// int cau_sha256_initialize_output (const unsigned int *output)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
int
cau_sha256_initialize_output (const unsigned int *output);
//******************************************************************************
//******************************************************************************
//
// SHA256: Updates SHA256 digest output for one or more message block arguments
// arguments
// *input pointer to start of input message
// input number of 512-bit blocks to process
// *output pointer to 256-bit message digest output
//
// NOTE Input message and digest output blocks must not overlap
//
// calling convention
// void cau_sha256_hash_n (const unsigned char *input,
// int num_blks,
// const unsigned int *output)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_sha256_hash_n (const unsigned char *input, const int num_blks,
unsigned int *output);
//******************************************************************************
//******************************************************************************
//
// SHA256: Updates SHA256 state variables for one or more input message blocks
// arguments
// *input pointer to start of input message data
// num_blks number of 512-bit blocks to process
// *output pointer to 256-bit message digest output
//
// calling convention
// void cau_sha256_update (const unsigned char *input,
// const int num_blks,
// unsigned int *output)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_sha256_update (const unsigned char *input, const int num_blks,
unsigned int *output);
//******************************************************************************
//******************************************************************************
//
// SHA256: Performs SHA256 hash algorithm for a single input message block
// arguments
// *input pointer to start of input message data
// *output pointer to 256-bit message digest output
//
// calling convention
// void cau_sha256_hash (const unsigned char *input,
// unsigned int *output)
#if FREESCALE_CAU
__declspec (standard_abi)
#endif
void
cau_sha256_hash (const unsigned char *input, unsigned int *output);
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