diff options
Diffstat (limited to 'crypt/sha256-crypt.c')
| -rw-r--r-- | crypt/sha256-crypt.c | 50 |
1 files changed, 23 insertions, 27 deletions
diff --git a/crypt/sha256-crypt.c b/crypt/sha256-crypt.c index cf0abd2..6f6a722 100644 --- a/crypt/sha256-crypt.c +++ b/crypt/sha256-crypt.c @@ -26,6 +26,7 @@ #include <sys/param.h> #include "sha256.h" +#include "crypt-private.h" #ifdef USE_NSS @@ -90,10 +91,6 @@ static const char sha256_rounds_prefix[] = "rounds="; /* Maximum number of rounds. */ #define ROUNDS_MAX 999999999 -/* Table with characters for base64 transformation. */ -static const char b64t[64] = -"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; - /* Prototypes for local functions. */ extern char *__sha256_crypt_r (const char *key, const char *salt, @@ -341,29 +338,28 @@ __sha256_crypt_r (key, salt, buffer, buflen) --buflen; } - void b64_from_24bit (unsigned int b2, unsigned int b1, unsigned int b0, - int n) - { - unsigned int w = (b2 << 16) | (b1 << 8) | b0; - while (n-- > 0 && buflen > 0) - { - *cp++ = b64t[w & 0x3f]; - --buflen; - w >>= 6; - } - } - - b64_from_24bit (alt_result[0], alt_result[10], alt_result[20], 4); - b64_from_24bit (alt_result[21], alt_result[1], alt_result[11], 4); - b64_from_24bit (alt_result[12], alt_result[22], alt_result[2], 4); - b64_from_24bit (alt_result[3], alt_result[13], alt_result[23], 4); - b64_from_24bit (alt_result[24], alt_result[4], alt_result[14], 4); - b64_from_24bit (alt_result[15], alt_result[25], alt_result[5], 4); - b64_from_24bit (alt_result[6], alt_result[16], alt_result[26], 4); - b64_from_24bit (alt_result[27], alt_result[7], alt_result[17], 4); - b64_from_24bit (alt_result[18], alt_result[28], alt_result[8], 4); - b64_from_24bit (alt_result[9], alt_result[19], alt_result[29], 4); - b64_from_24bit (0, alt_result[31], alt_result[30], 3); + __b64_from_24bit (&cp, &buflen, + alt_result[0], alt_result[10], alt_result[20], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[21], alt_result[1], alt_result[11], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[12], alt_result[22], alt_result[2], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[3], alt_result[13], alt_result[23], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[24], alt_result[4], alt_result[14], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[15], alt_result[25], alt_result[5], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[6], alt_result[16], alt_result[26], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[27], alt_result[7], alt_result[17], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[18], alt_result[28], alt_result[8], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[9], alt_result[19], alt_result[29], 4); + __b64_from_24bit (&cp, &buflen, + 0, alt_result[31], alt_result[30], 3); if (buflen <= 0) { __set_errno (ERANGE); |