tomcrypt/mycrypt_pkcs.h
2010-06-16 12:38:13 +02:00

81 lines
3.7 KiB
C

/* PKCS Header Info */
/* ===> PKCS #1 -- RSA Cryptography <=== */
#ifdef PKCS_1
int pkcs_1_mgf1(const unsigned char *seed, unsigned long seedlen,
int hash_idx,
unsigned char *mask, unsigned long masklen);
int pkcs_1_i2osp(mp_int *n, unsigned long modulus_len, unsigned char *out);
int pkcs_1_os2ip(mp_int *n, unsigned char *in, unsigned long inlen);
/* *** v2.0 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);
/* *** v1.5 padding */
/* encryption padding */
int pkcs_1_v15_es_encode(const unsigned char *msg, unsigned long msglen,
unsigned long modulus_bitlen,
prng_state *prng, int prng_idx,
unsigned char *out, unsigned long *outlen);
/* note "outlen" is fixed, you have to tell this decoder how big
* the original message was. Unlike the OAEP decoder it cannot auto-detect it.
*/
int pkcs_1_v15_es_decode(const unsigned char *msg, unsigned long msglen,
unsigned long modulus_bitlen,
unsigned char *out, unsigned long outlen,
int *res);
/* signature padding */
int pkcs_1_v15_sa_encode(const unsigned char *msghash, unsigned long msghashlen,
int hash_idx, unsigned long modulus_bitlen,
unsigned char *out, unsigned long *outlen);
int pkcs_1_v15_sa_decode(const unsigned char *msghash, unsigned long msghashlen,
const unsigned char *sig, unsigned long siglen,
int hash_idx, unsigned long modulus_bitlen,
int *res);
#endif /* PKCS_1 */
/* ===> PKCS #5 -- Password Based Cryptography <=== */
#ifdef PKCS_5
/* Algorithm #1 (old) */
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 #2 (new) */
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);
#endif /* PKCS_5 */