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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.
*/
/* 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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