diff options
Diffstat (limited to 'crypto/openssl/crypto/des/str2key.c')
| -rw-r--r-- | crypto/openssl/crypto/des/str2key.c | 54 |
1 files changed, 36 insertions, 18 deletions
diff --git a/crypto/openssl/crypto/des/str2key.c b/crypto/openssl/crypto/des/str2key.c index c6abb87..0373db4 100644 --- a/crypto/openssl/crypto/des/str2key.c +++ b/crypto/openssl/crypto/des/str2key.c @@ -58,9 +58,9 @@ #include "des_locl.h" -void des_string_to_key(const char *str, des_cblock *key) +void DES_string_to_key(const char *str, DES_cblock *key) { - des_key_schedule ks; + DES_key_schedule ks; int i,length; register unsigned char j; @@ -85,16 +85,22 @@ void des_string_to_key(const char *str, des_cblock *key) } } #endif - des_set_odd_parity(key); - des_set_key_unchecked(key,ks); - des_cbc_cksum((const unsigned char*)str,key,length,ks,key); - memset(ks,0,sizeof(ks)); - des_set_odd_parity(key); + DES_set_odd_parity(key); +#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY + if(DES_is_weak_key(key)) + (*key)[7] ^= 0xF0; + DES_set_key(key,&ks); +#else + DES_set_key_unchecked(key,&ks); +#endif + DES_cbc_cksum((const unsigned char*)str,key,length,&ks,key); + OPENSSL_cleanse(&ks,sizeof(ks)); + DES_set_odd_parity(key); } -void des_string_to_2keys(const char *str, des_cblock *key1, des_cblock *key2) +void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2) { - des_key_schedule ks; + DES_key_schedule ks; int i,length; register unsigned char j; @@ -143,13 +149,25 @@ void des_string_to_2keys(const char *str, des_cblock *key1, des_cblock *key2) } if (length <= 8) memcpy(key2,key1,8); #endif - des_set_odd_parity(key1); - des_set_odd_parity(key2); - des_set_key_unchecked(key1,ks); - des_cbc_cksum((const unsigned char*)str,key1,length,ks,key1); - des_set_key_unchecked(key2,ks); - des_cbc_cksum((const unsigned char*)str,key2,length,ks,key2); - memset(ks,0,sizeof(ks)); - des_set_odd_parity(key1); - des_set_odd_parity(key2); + DES_set_odd_parity(key1); + DES_set_odd_parity(key2); +#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY + if(DES_is_weak_key(key1)) + (*key1)[7] ^= 0xF0; + DES_set_key(key1,&ks); +#else + DES_set_key_unchecked(key1,&ks); +#endif + DES_cbc_cksum((const unsigned char*)str,key1,length,&ks,key1); +#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY + if(DES_is_weak_key(key2)) + (*key2)[7] ^= 0xF0; + DES_set_key(key2,&ks); +#else + DES_set_key_unchecked(key2,&ks); +#endif + DES_cbc_cksum((const unsigned char*)str,key2,length,&ks,key2); + OPENSSL_cleanse(&ks,sizeof(ks)); + DES_set_odd_parity(key1); + DES_set_odd_parity(key2); } |
