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Speed and memory usage optimization for key derivation based on patches by Nils Maier. 20% improvement on 64-bit CPU for SHA512 and SHA256, 11% for Whirlpool and 13% for RIPEMD-160.

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This commit is contained in:
Mounir IDRASSI
2015-02-22 00:23:19 +01:00
parent 717ffadf93
commit cb9859fa0e
3 changed files with 406 additions and 313 deletions
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19
src/Common/Pkcs5.h
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@@ -18,19 +18,22 @@
extern "C"
{
#endif
void hmac_sha256 (char *k, int lk, char *d, int ld, char *out);
void derive_u_sha256 (char *pwd, int pwd_len, char *salt, int salt_len, int iterations, char *u, int b);
/* output written to d which must be at lease 32 bytes long */
void hmac_sha256 (char *k, int lk, char *d, int ld);
void derive_key_sha256 (char *pwd, int pwd_len, char *salt, int salt_len, int iterations, char *dk, int dklen);
void hmac_sha512 (char *k, int lk, char *d, int ld, char *out, int t);
void derive_u_sha512 (char *pwd, int pwd_len, char *salt, int salt_len, int iterations, char *u, int b);
/* output written to d which must be at lease 64 bytes long */
void hmac_sha512 (char *k, int lk, char *d, int ld);
void derive_key_sha512 (char *pwd, int pwd_len, char *salt, int salt_len, int iterations, char *dk, int dklen);
void hmac_ripemd160 (char *key, int keylen, char *input, int len, char *digest);
void derive_u_ripemd160 (char *pwd, int pwd_len, char *salt, int salt_len, int iterations, char *u, int b);
/* output written to input_digest which must be at lease 20 bytes long */
void hmac_ripemd160 (char *key, int keylen, char *input_digest, int len);
void derive_key_ripemd160 (char *pwd, int pwd_len, char *salt, int salt_len, int iterations, char *dk, int dklen);
void hmac_whirlpool (char *k, int lk, char *d, int ld, char *out, int t);
void derive_u_whirlpool (char *pwd, int pwd_len, char *salt, int salt_len, int iterations, char *u, int b);
/* output written to d which must be at lease 64 bytes long */
void hmac_whirlpool (char *k, int lk, char *d, int ld);
void derive_key_whirlpool (char *pwd, int pwd_len, char *salt, int salt_len, int iterations, char *dk, int dklen);
int get_pkcs5_iteration_count (int pkcs5_prf_id, BOOL truecryptMode, BOOL bBoot);
char *get_pkcs5_prf_name (int pkcs5_prf_id);