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authorTodd C. Miller <millert@cvs.openbsd.org>2004-05-03 18:05:09 +0000
committerTodd C. Miller <millert@cvs.openbsd.org>2004-05-03 18:05:09 +0000
commitb8664c21d4b0054f7cf06a77af50d464a9ec4974 (patch)
tree24082f1d9d0e5b892d20d5c7e13c591fa647e812 /lib/libc/hash/sha1.c
parentdd2d88b2c079a8545b1c76429e1c046024b7396e (diff)
Use KNF indentation style and do some u_char -> u_int8_t conversion
I missed earlier.
Diffstat (limited to 'lib/libc/hash/sha1.c')
-rw-r--r--lib/libc/hash/sha1.c189
1 files changed, 95 insertions, 94 deletions
diff --git a/lib/libc/hash/sha1.c b/lib/libc/hash/sha1.c
index 8776a8905eb..81c04a76f8e 100644
--- a/lib/libc/hash/sha1.c
+++ b/lib/libc/hash/sha1.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sha1.c,v 1.16 2004/05/03 17:30:15 millert Exp $ */
+/* $OpenBSD: sha1.c,v 1.17 2004/05/03 18:05:08 millert Exp $ */
/*
* SHA-1 in C
@@ -15,7 +15,7 @@
*/
#if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: sha1.c,v 1.16 2004/05/03 17:30:15 millert Exp $";
+static char rcsid[] = "$OpenBSD: sha1.c,v 1.17 2004/05/03 18:05:08 millert Exp $";
#endif /* LIBC_SCCS and not lint */
#define SHA1HANDSOFF /* Copies data before messing with it. */
@@ -52,61 +52,61 @@ static char rcsid[] = "$OpenBSD: sha1.c,v 1.16 2004/05/03 17:30:15 millert Exp $
* Hash a single 512-bit block. This is the core of the algorithm.
*/
void
-SHA1Transform(u_int32_t state[5], const u_char buffer[SHA1_BLOCK_LENGTH])
+SHA1Transform(u_int32_t state[5], u_int8_t buffer[SHA1_BLOCK_LENGTH])
{
- u_int32_t a, b, c, d, e;
- typedef union {
- u_char c[64];
- u_int l[16];
- } CHAR64LONG16;
- CHAR64LONG16 *block;
+ u_int32_t a, b, c, d, e;
+ typedef union {
+ u_int8_t c[64];
+ u_int32_t l[16];
+ } CHAR64LONG16;
+ CHAR64LONG16 *block;
#ifdef SHA1HANDSOFF
- u_char workspace[SHA1_BLOCK_LENGTH];
- block = (CHAR64LONG16 *)workspace;
- (void)memcpy(block, buffer, SHA1_BLOCK_LENGTH);
+ u_int8_t workspace[SHA1_BLOCK_LENGTH];
+ block = (CHAR64LONG16 *)workspace;
+ (void)memcpy(block, buffer, SHA1_BLOCK_LENGTH);
#else
- block = (CHAR64LONG16 *)buffer;
+ block = (CHAR64LONG16 *)buffer;
#endif
- /* Copy context->state[] to working vars */
- a = state[0];
- b = state[1];
- c = state[2];
- d = state[3];
- e = state[4];
-
- /* 4 rounds of 20 operations each. Loop unrolled. */
- R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
- R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
- R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
- R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
- R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
- R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
- R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
- R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
- R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
- R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
- R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
- R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
- R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
- R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
- R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
- R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
- R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
- R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
- R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
- R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
-
- /* Add the working vars back into context.state[] */
- state[0] += a;
- state[1] += b;
- state[2] += c;
- state[3] += d;
- state[4] += e;
-
- /* Wipe variables */
- a = b = c = d = e = 0;
+ /* Copy context->state[] to working vars */
+ a = state[0];
+ b = state[1];
+ c = state[2];
+ d = state[3];
+ e = state[4];
+
+ /* 4 rounds of 20 operations each. Loop unrolled. */
+ R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
+ R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
+ R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
+ R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
+ R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
+ R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
+ R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
+ R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
+ R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
+ R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
+ R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
+ R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
+ R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
+ R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
+ R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
+ R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
+ R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
+ R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
+ R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
+ R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
+
+ /* Add the working vars back into context.state[] */
+ state[0] += a;
+ state[1] += b;
+ state[2] += c;
+ state[3] += d;
+ state[4] += e;
+
+ /* Wipe variables */
+ a = b = c = d = e = 0;
}
@@ -117,13 +117,13 @@ void
SHA1Init(SHA1_CTX *context)
{
- /* SHA1 initialization constants */
- context->count = 0;
- context->state[0] = 0x67452301;
- context->state[1] = 0xEFCDAB89;
- context->state[2] = 0x98BADCFE;
- context->state[3] = 0x10325476;
- context->state[4] = 0xC3D2E1F0;
+ /* SHA1 initialization constants */
+ context->count = 0;
+ context->state[0] = 0x67452301;
+ context->state[1] = 0xEFCDAB89;
+ context->state[2] = 0x98BADCFE;
+ context->state[3] = 0x10325476;
+ context->state[4] = 0xC3D2E1F0;
}
@@ -131,22 +131,22 @@ SHA1Init(SHA1_CTX *context)
* Run your data through this.
*/
void
-SHA1Update(SHA1_CTX *context, const u_char *data, size_t len)
+SHA1Update(SHA1_CTX *context, const u_int8_t *data, size_t len)
{
- size_t i, j;
-
- j = (size_t)((context->count >> 3) & 63);
- context->count += (len << 3);
- if ((j + len) > 63) {
- (void)memcpy(&context->buffer[j], data, (i = 64-j));
- SHA1Transform(context->state, context->buffer);
- for ( ; i + 63 < len; i += 64)
- SHA1Transform(context->state, &data[i]);
- j = 0;
- } else {
- i = 0;
- }
- (void)memcpy(&context->buffer[j], &data[i], len - i);
+ size_t i, j;
+
+ j = (size_t)((context->count >> 3) & 63);
+ context->count += (len << 3);
+ if ((j + len) > 63) {
+ (void)memcpy(&context->buffer[j], data, (i = 64-j));
+ SHA1Transform(context->state, context->buffer);
+ for ( ; i + 63 < len; i += 64)
+ SHA1Transform(context->state, (u_int8_t *)&data[i]);
+ j = 0;
+ } else {
+ i = 0;
+ }
+ (void)memcpy(&context->buffer[j], &data[i], len - i);
}
@@ -156,29 +156,30 @@ SHA1Update(SHA1_CTX *context, const u_char *data, size_t len)
void
SHA1Pad(SHA1_CTX *context)
{
- u_int8_t finalcount[8];
- u_int i;
-
- for (i = 0; i < 8; i++) {
- finalcount[i] = (u_char)((context->count >>
- ((7 - (i & 7)) * 8)) & 255); /* Endian independent */
- }
- SHA1Update(context, (u_char *)"\200", 1);
- while ((context->count & 504) != 448)
- SHA1Update(context, (u_char *)"\0", 1);
- SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */
+ u_int8_t finalcount[8];
+ u_int i;
+
+ for (i = 0; i < 8; i++) {
+ finalcount[i] = (u_int8_t)((context->count >>
+ ((7 - (i & 7)) * 8)) & 255); /* Endian independent */
+ }
+ SHA1Update(context, (u_int8_t *)"\200", 1);
+ while ((context->count & 504) != 448)
+ SHA1Update(context, (u_int8_t *)"\0", 1);
+ SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */
}
void
-SHA1Final(u_char digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context)
+SHA1Final(u_int8_t digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context)
{
- u_int i;
-
- SHA1Pad(context);
- if (digest) {
- for (i = 0; i < SHA1_DIGEST_LENGTH; i++)
- digest[i] = (u_char)
- ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
- }
- memset(context, 0, sizeof(*context));
+ u_int i;
+
+ SHA1Pad(context);
+ if (digest) {
+ for (i = 0; i < SHA1_DIGEST_LENGTH; i++) {
+ digest[i] = (u_int8_t)
+ ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
+ }
+ }
+ memset(context, 0, sizeof(*context));
}