diff options
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/pw_encrypt_sha.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/libbb/pw_encrypt_sha.c b/libbb/pw_encrypt_sha.c index e46848b71..8aeaacad6 100644 --- a/libbb/pw_encrypt_sha.c +++ b/libbb/pw_encrypt_sha.c | |||
| @@ -3,7 +3,7 @@ | |||
| 3 | */ | 3 | */ |
| 4 | 4 | ||
| 5 | /* Prefix for optional rounds specification. */ | 5 | /* Prefix for optional rounds specification. */ |
| 6 | static const char str_rounds[] = "rounds=%u$"; | 6 | static const char str_rounds[] ALIGN1 = "rounds=%u$"; |
| 7 | 7 | ||
| 8 | /* Maximum salt string length. */ | 8 | /* Maximum salt string length. */ |
| 9 | #define SALT_LEN_MAX 16 | 9 | #define SALT_LEN_MAX 16 |
| @@ -19,8 +19,8 @@ NOINLINE | |||
| 19 | sha_crypt(/*const*/ char *key_data, /*const*/ char *salt_data) | 19 | sha_crypt(/*const*/ char *key_data, /*const*/ char *salt_data) |
| 20 | { | 20 | { |
| 21 | void (*sha_begin)(void *ctx) FAST_FUNC; | 21 | void (*sha_begin)(void *ctx) FAST_FUNC; |
| 22 | void (*sha_hash)(const void *buffer, size_t len, void *ctx) FAST_FUNC; | 22 | void (*sha_hash)(void *ctx, const void *buffer, size_t len) FAST_FUNC; |
| 23 | void (*sha_end)(void *resbuf, void *ctx) FAST_FUNC; | 23 | void (*sha_end)(void *ctx, void *resbuf) FAST_FUNC; |
| 24 | int _32or64; | 24 | int _32or64; |
| 25 | 25 | ||
| 26 | char *result, *resptr; | 26 | char *result, *resptr; |
| @@ -103,40 +103,40 @@ sha_crypt(/*const*/ char *key_data, /*const*/ char *salt_data) | |||
| 103 | 103 | ||
| 104 | /* Add KEY, SALT. */ | 104 | /* Add KEY, SALT. */ |
| 105 | sha_begin(&ctx); | 105 | sha_begin(&ctx); |
| 106 | sha_hash(key_data, key_len, &ctx); | 106 | sha_hash(&ctx, key_data, key_len); |
| 107 | sha_hash(salt_data, salt_len, &ctx); | 107 | sha_hash(&ctx, salt_data, salt_len); |
| 108 | 108 | ||
| 109 | /* Compute alternate SHA sum with input KEY, SALT, and KEY. | 109 | /* Compute alternate SHA sum with input KEY, SALT, and KEY. |
| 110 | The final result will be added to the first context. */ | 110 | The final result will be added to the first context. */ |
| 111 | sha_begin(&alt_ctx); | 111 | sha_begin(&alt_ctx); |
| 112 | sha_hash(key_data, key_len, &alt_ctx); | 112 | sha_hash(&alt_ctx, key_data, key_len); |
| 113 | sha_hash(salt_data, salt_len, &alt_ctx); | 113 | sha_hash(&alt_ctx, salt_data, salt_len); |
| 114 | sha_hash(key_data, key_len, &alt_ctx); | 114 | sha_hash(&alt_ctx, key_data, key_len); |
| 115 | sha_end(alt_result, &alt_ctx); | 115 | sha_end(&alt_ctx, alt_result); |
| 116 | 116 | ||
| 117 | /* Add result of this to the other context. */ | 117 | /* Add result of this to the other context. */ |
| 118 | /* Add for any character in the key one byte of the alternate sum. */ | 118 | /* Add for any character in the key one byte of the alternate sum. */ |
| 119 | for (cnt = key_len; cnt > _32or64; cnt -= _32or64) | 119 | for (cnt = key_len; cnt > _32or64; cnt -= _32or64) |
| 120 | sha_hash(alt_result, _32or64, &ctx); | 120 | sha_hash(&ctx, alt_result, _32or64); |
| 121 | sha_hash(alt_result, cnt, &ctx); | 121 | sha_hash(&ctx, alt_result, cnt); |
| 122 | 122 | ||
| 123 | /* Take the binary representation of the length of the key and for every | 123 | /* Take the binary representation of the length of the key and for every |
| 124 | 1 add the alternate sum, for every 0 the key. */ | 124 | 1 add the alternate sum, for every 0 the key. */ |
| 125 | for (cnt = key_len; cnt != 0; cnt >>= 1) | 125 | for (cnt = key_len; cnt != 0; cnt >>= 1) |
| 126 | if ((cnt & 1) != 0) | 126 | if ((cnt & 1) != 0) |
| 127 | sha_hash(alt_result, _32or64, &ctx); | 127 | sha_hash(&ctx, alt_result, _32or64); |
| 128 | else | 128 | else |
| 129 | sha_hash(key_data, key_len, &ctx); | 129 | sha_hash(&ctx, key_data, key_len); |
| 130 | 130 | ||
| 131 | /* Create intermediate result. */ | 131 | /* Create intermediate result. */ |
| 132 | sha_end(alt_result, &ctx); | 132 | sha_end(&ctx, alt_result); |
| 133 | 133 | ||
| 134 | /* Start computation of P byte sequence. */ | 134 | /* Start computation of P byte sequence. */ |
| 135 | /* For every character in the password add the entire password. */ | 135 | /* For every character in the password add the entire password. */ |
| 136 | sha_begin(&alt_ctx); | 136 | sha_begin(&alt_ctx); |
| 137 | for (cnt = 0; cnt < key_len; ++cnt) | 137 | for (cnt = 0; cnt < key_len; ++cnt) |
| 138 | sha_hash(key_data, key_len, &alt_ctx); | 138 | sha_hash(&alt_ctx, key_data, key_len); |
| 139 | sha_end(temp_result, &alt_ctx); | 139 | sha_end(&alt_ctx, temp_result); |
| 140 | 140 | ||
| 141 | /* NB: past this point, raw key_data is not used anymore */ | 141 | /* NB: past this point, raw key_data is not used anymore */ |
| 142 | 142 | ||
| @@ -153,8 +153,8 @@ sha_crypt(/*const*/ char *key_data, /*const*/ char *salt_data) | |||
| 153 | /* For every character in the password add the entire password. */ | 153 | /* For every character in the password add the entire password. */ |
| 154 | sha_begin(&alt_ctx); | 154 | sha_begin(&alt_ctx); |
| 155 | for (cnt = 0; cnt < 16 + alt_result[0]; ++cnt) | 155 | for (cnt = 0; cnt < 16 + alt_result[0]; ++cnt) |
| 156 | sha_hash(salt_data, salt_len, &alt_ctx); | 156 | sha_hash(&alt_ctx, salt_data, salt_len); |
| 157 | sha_end(temp_result, &alt_ctx); | 157 | sha_end(&alt_ctx, temp_result); |
| 158 | 158 | ||
| 159 | /* NB: past this point, raw salt_data is not used anymore */ | 159 | /* NB: past this point, raw salt_data is not used anymore */ |
| 160 | 160 | ||
| @@ -174,22 +174,22 @@ sha_crypt(/*const*/ char *key_data, /*const*/ char *salt_data) | |||
| 174 | 174 | ||
| 175 | /* Add key or last result. */ | 175 | /* Add key or last result. */ |
| 176 | if ((cnt & 1) != 0) | 176 | if ((cnt & 1) != 0) |
| 177 | sha_hash(p_bytes, key_len, &ctx); | 177 | sha_hash(&ctx, p_bytes, key_len); |
| 178 | else | 178 | else |
| 179 | sha_hash(alt_result, _32or64, &ctx); | 179 | sha_hash(&ctx, alt_result, _32or64); |
| 180 | /* Add salt for numbers not divisible by 3. */ | 180 | /* Add salt for numbers not divisible by 3. */ |
| 181 | if (cnt % 3 != 0) | 181 | if (cnt % 3 != 0) |
| 182 | sha_hash(s_bytes, salt_len, &ctx); | 182 | sha_hash(&ctx, s_bytes, salt_len); |
| 183 | /* Add key for numbers not divisible by 7. */ | 183 | /* Add key for numbers not divisible by 7. */ |
| 184 | if (cnt % 7 != 0) | 184 | if (cnt % 7 != 0) |
| 185 | sha_hash(p_bytes, key_len, &ctx); | 185 | sha_hash(&ctx, p_bytes, key_len); |
| 186 | /* Add key or last result. */ | 186 | /* Add key or last result. */ |
| 187 | if ((cnt & 1) != 0) | 187 | if ((cnt & 1) != 0) |
| 188 | sha_hash(alt_result, _32or64, &ctx); | 188 | sha_hash(&ctx, alt_result, _32or64); |
| 189 | else | 189 | else |
| 190 | sha_hash(p_bytes, key_len, &ctx); | 190 | sha_hash(&ctx, p_bytes, key_len); |
| 191 | 191 | ||
| 192 | sha_end(alt_result, &ctx); | 192 | sha_end(&ctx, alt_result); |
| 193 | } | 193 | } |
| 194 | 194 | ||
| 195 | /* Append encrypted password to result buffer */ | 195 | /* Append encrypted password to result buffer */ |
