From e235285c3a36c0e4efe21ec336e7015cd3cf3c62 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Sat, 14 Jun 2008 22:11:29 +0000 Subject: crypt: code shrink function old new delta des_crypt - 1682 +1682 md5_crypt - 627 +627 pw_encrypt 3608 1036 -2572 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 0/1 up/down: 2309/-2572) Total: -263 bytes --- libbb/pw_encrypt_md5.c | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) (limited to 'libbb/pw_encrypt_md5.c') diff --git a/libbb/pw_encrypt_md5.c b/libbb/pw_encrypt_md5.c index 6c94d2d29..8d0a516cf 100644 --- a/libbb/pw_encrypt_md5.c +++ b/libbb/pw_encrypt_md5.c @@ -101,7 +101,6 @@ static const unsigned char __md5__magic[] = MD5_MAGIC_STR; * __md5_Encodes input (uint32_t) into output (unsigned char). Assumes len is * a multiple of 4. */ - static void __md5_Encode(unsigned char *output, uint32_t *input, unsigned int len) { @@ -119,7 +118,6 @@ __md5_Encode(unsigned char *output, uint32_t *input, unsigned int len) * __md5_Decodes input (unsigned char) into output (uint32_t). Assumes len is * a multiple of 4. */ - static void __md5_Decode(uint32_t *output, const unsigned char *input, unsigned int len) { @@ -166,7 +164,6 @@ __md5_Decode(uint32_t *output, const unsigned char *input, unsigned int len) } /* MD5 initialization. Begins an MD5 operation, writing a new context. */ - static void __md5_Init(struct MD5Context *context) { context->count[0] = context->count[1] = 0; @@ -183,7 +180,6 @@ static void __md5_Init(struct MD5Context *context) * operation, processing another message block, and updating the * context. */ - static void __md5_Update(struct MD5Context *context, const unsigned char *input, unsigned int inputLen) { unsigned int i, idx, partLen; @@ -218,7 +214,6 @@ static void __md5_Update(struct MD5Context *context, const unsigned char *input, /* * MD5 padding. Adds padding followed by original length. */ - static void __md5_Pad(struct MD5Context *context) { unsigned char bits[8]; @@ -244,7 +239,6 @@ static void __md5_Pad(struct MD5Context *context) * MD5 finalization. Ends an MD5 message-digest operation, writing the * the message digest and zeroizing the context. */ - static void __md5_Final(unsigned char digest[16], struct MD5Context *context) { /* Do padding. */ @@ -258,7 +252,6 @@ static void __md5_Final(unsigned char digest[16], struct MD5Context *context) } /* MD5 basic transformation. Transforms state based on block. */ - static void __md5_Transform(uint32_t state[4], const unsigned char block[64]) { uint32_t a, b, c, d, x[16]; @@ -517,16 +510,15 @@ __md5_to64(char *s, unsigned v, int n) * Use MD5 for what it is best at... */ #define MD5_OUT_BUFSIZE 36 - static char * -md5_crypt(char passwd[120], const unsigned char *pw, const unsigned char *salt) +NOINLINE +md5_crypt(char passwd[MD5_OUT_BUFSIZE], const unsigned char *pw, const unsigned char *salt) { const unsigned char *sp, *ep; char *p; unsigned char final[17]; /* final[16] exists only to aid in looping */ int sl, pl, i, pw_len; struct MD5Context ctx, ctx1; - unsigned long l; /* Refine the Salt first */ sp = salt; @@ -612,11 +604,10 @@ md5_crypt(char passwd[120], const unsigned char *pw, const unsigned char *salt) /* Add 5*4+2 = 22 bytes of hash, + NUL byte. */ final[16] = final[5]; for (i = 0; i < 5; i++) { - l = (final[i] << 16) | (final[i+6] << 8) | final[i+12]; + unsigned l = (final[i] << 16) | (final[i+6] << 8) | final[i+12]; p = __md5_to64(p, l, 4); } - l = final[11]; - p = __md5_to64(p, l, 2); + p = __md5_to64(p, final[11], 2); *p = '\0'; /* Don't leave anything around in vm they could use. */ -- cgit v1.2.3