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openntpd-openbsd
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Use KNF indentation style and do some u_char -> u_int8_t conversion 

I missed earlier.
OPENBSD_3_6
millert 20 years ago
parent
f788b66522
commit
80dc37e3c6
2 changed files with 97 additions and 96 deletions
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  1. +2
    -2
      src/include/sha1.h
  2. +95
    -94
      src/lib/libc/hash/sha1.c

+ 2
- 2
src/include/sha1.h View File

@ -1,4 +1,4 @@
/* $OpenBSD: sha1.h,v 1.20 2004/05/03 17:30:14 millert Exp $ */
/* $OpenBSD: sha1.h,v 1.21 2004/05/03 18:05:08 millert Exp $ */
/*
* SHA-1 in C
@ -24,7 +24,7 @@ typedef struct {
__BEGIN_DECLS
void SHA1Init(SHA1_CTX *);
void SHA1Pad(SHA1_CTX *);
void SHA1Transform(u_int32_t [5], const u_int8_t [SHA1_BLOCK_LENGTH])
void SHA1Transform(u_int32_t [5], u_int8_t [SHA1_BLOCK_LENGTH])
__attribute__((__bounded__(__minbytes__,1,5)))
__attribute__((__bounded__(__minbytes__,2,SHA1_BLOCK_LENGTH)));
void SHA1Update(SHA1_CTX *, const u_int8_t *, size_t)


+ 95
- 94
src/lib/libc/hash/sha1.c View File

@ -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));
}

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