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-rw-r--r--contrib/pgcrypto/sha1.c314
1 files changed, 198 insertions, 116 deletions
diff --git a/contrib/pgcrypto/sha1.c b/contrib/pgcrypto/sha1.c
index 63c28dc7e94..db9f1a17c60 100644
--- a/contrib/pgcrypto/sha1.c
+++ b/contrib/pgcrypto/sha1.c
@@ -1,5 +1,5 @@
-/* $Id: sha1.c,v 1.4 2001/02/10 02:31:26 tgl Exp $ */
-/* $KAME: sha1.c,v 1.3 2000/02/22 14:01:18 itojun Exp $ */
+/* $Id: sha1.c,v 1.5 2001/03/22 03:59:10 momjian Exp $ */
+/* $KAME: sha1.c,v 1.3 2000/02/22 14:01:18 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -9,18 +9,18 @@
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
@@ -41,120 +41,182 @@
/* sanity check */
#if BYTE_ORDER != BIG_ENDIAN
-# if BYTE_ORDER != LITTLE_ENDIAN
-# define unsupported 1
-# endif
+#if BYTE_ORDER != LITTLE_ENDIAN
+#define unsupported 1
+#endif
#endif
#ifndef unsupported
/* constant table */
-static uint32 _K[] = { 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6 };
-#define K(t) _K[(t) / 20]
+static uint32 _K[] = {0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6};
+
+#define K(t) _K[(t) / 20]
-#define F0(b, c, d) (((b) & (c)) | ((~(b)) & (d)))
-#define F1(b, c, d) (((b) ^ (c)) ^ (d))
-#define F2(b, c, d) (((b) & (c)) | ((b) & (d)) | ((c) & (d)))
-#define F3(b, c, d) (((b) ^ (c)) ^ (d))
+#define F0(b, c, d) (((b) & (c)) | ((~(b)) & (d)))
+#define F1(b, c, d) (((b) ^ (c)) ^ (d))
+#define F2(b, c, d) (((b) & (c)) | ((b) & (d)) | ((c) & (d)))
+#define F3(b, c, d) (((b) ^ (c)) ^ (d))
-#define S(n, x) (((x) << (n)) | ((x) >> (32 - n)))
+#define S(n, x) (((x) << (n)) | ((x) >> (32 - n)))
-#define H(n) (ctxt->h.b32[(n)])
-#define COUNT (ctxt->count)
-#define BCOUNT (ctxt->c.b64[0] / 8)
-#define W(n) (ctxt->m.b32[(n)])
+#define H(n) (ctxt->h.b32[(n)])
+#define COUNT (ctxt->count)
+#define BCOUNT (ctxt->c.b64[0] / 8)
+#define W(n) (ctxt->m.b32[(n)])
-#define PUTBYTE(x) { \
+#define PUTBYTE(x) { \
ctxt->m.b8[(COUNT % 64)] = (x); \
COUNT++; \
COUNT %= 64; \
ctxt->c.b64[0] += 8; \
if (COUNT % 64 == 0) \
sha1_step(ctxt); \
- }
+ }
-#define PUTPAD(x) { \
+#define PUTPAD(x) { \
ctxt->m.b8[(COUNT % 64)] = (x); \
COUNT++; \
COUNT %= 64; \
if (COUNT % 64 == 0) \
sha1_step(ctxt); \
- }
+ }
-static void sha1_step (struct sha1_ctxt *);
+static void sha1_step(struct sha1_ctxt *);
static void
sha1_step(ctxt)
- struct sha1_ctxt *ctxt;
+struct sha1_ctxt *ctxt;
{
- uint32 a, b, c, d, e;
- size_t t, s;
- uint32 tmp;
+ uint32 a,
+ b,
+ c,
+ d,
+ e;
+ size_t t,
+ s;
+ uint32 tmp;
#if BYTE_ORDER == LITTLE_ENDIAN
struct sha1_ctxt tctxt;
+
bcopy(&ctxt->m.b8[0], &tctxt.m.b8[0], 64);
- ctxt->m.b8[0] = tctxt.m.b8[3]; ctxt->m.b8[1] = tctxt.m.b8[2];
- ctxt->m.b8[2] = tctxt.m.b8[1]; ctxt->m.b8[3] = tctxt.m.b8[0];
- ctxt->m.b8[4] = tctxt.m.b8[7]; ctxt->m.b8[5] = tctxt.m.b8[6];
- ctxt->m.b8[6] = tctxt.m.b8[5]; ctxt->m.b8[7] = tctxt.m.b8[4];
- ctxt->m.b8[8] = tctxt.m.b8[11]; ctxt->m.b8[9] = tctxt.m.b8[10];
- ctxt->m.b8[10] = tctxt.m.b8[9]; ctxt->m.b8[11] = tctxt.m.b8[8];
- ctxt->m.b8[12] = tctxt.m.b8[15]; ctxt->m.b8[13] = tctxt.m.b8[14];
- ctxt->m.b8[14] = tctxt.m.b8[13]; ctxt->m.b8[15] = tctxt.m.b8[12];
- ctxt->m.b8[16] = tctxt.m.b8[19]; ctxt->m.b8[17] = tctxt.m.b8[18];
- ctxt->m.b8[18] = tctxt.m.b8[17]; ctxt->m.b8[19] = tctxt.m.b8[16];
- ctxt->m.b8[20] = tctxt.m.b8[23]; ctxt->m.b8[21] = tctxt.m.b8[22];
- ctxt->m.b8[22] = tctxt.m.b8[21]; ctxt->m.b8[23] = tctxt.m.b8[20];
- ctxt->m.b8[24] = tctxt.m.b8[27]; ctxt->m.b8[25] = tctxt.m.b8[26];
- ctxt->m.b8[26] = tctxt.m.b8[25]; ctxt->m.b8[27] = tctxt.m.b8[24];
- ctxt->m.b8[28] = tctxt.m.b8[31]; ctxt->m.b8[29] = tctxt.m.b8[30];
- ctxt->m.b8[30] = tctxt.m.b8[29]; ctxt->m.b8[31] = tctxt.m.b8[28];
- ctxt->m.b8[32] = tctxt.m.b8[35]; ctxt->m.b8[33] = tctxt.m.b8[34];
- ctxt->m.b8[34] = tctxt.m.b8[33]; ctxt->m.b8[35] = tctxt.m.b8[32];
- ctxt->m.b8[36] = tctxt.m.b8[39]; ctxt->m.b8[37] = tctxt.m.b8[38];
- ctxt->m.b8[38] = tctxt.m.b8[37]; ctxt->m.b8[39] = tctxt.m.b8[36];
- ctxt->m.b8[40] = tctxt.m.b8[43]; ctxt->m.b8[41] = tctxt.m.b8[42];
- ctxt->m.b8[42] = tctxt.m.b8[41]; ctxt->m.b8[43] = tctxt.m.b8[40];
- ctxt->m.b8[44] = tctxt.m.b8[47]; ctxt->m.b8[45] = tctxt.m.b8[46];
- ctxt->m.b8[46] = tctxt.m.b8[45]; ctxt->m.b8[47] = tctxt.m.b8[44];
- ctxt->m.b8[48] = tctxt.m.b8[51]; ctxt->m.b8[49] = tctxt.m.b8[50];
- ctxt->m.b8[50] = tctxt.m.b8[49]; ctxt->m.b8[51] = tctxt.m.b8[48];
- ctxt->m.b8[52] = tctxt.m.b8[55]; ctxt->m.b8[53] = tctxt.m.b8[54];
- ctxt->m.b8[54] = tctxt.m.b8[53]; ctxt->m.b8[55] = tctxt.m.b8[52];
- ctxt->m.b8[56] = tctxt.m.b8[59]; ctxt->m.b8[57] = tctxt.m.b8[58];
- ctxt->m.b8[58] = tctxt.m.b8[57]; ctxt->m.b8[59] = tctxt.m.b8[56];
- ctxt->m.b8[60] = tctxt.m.b8[63]; ctxt->m.b8[61] = tctxt.m.b8[62];
- ctxt->m.b8[62] = tctxt.m.b8[61]; ctxt->m.b8[63] = tctxt.m.b8[60];
+ ctxt->m.b8[0] = tctxt.m.b8[3];
+ ctxt->m.b8[1] = tctxt.m.b8[2];
+ ctxt->m.b8[2] = tctxt.m.b8[1];
+ ctxt->m.b8[3] = tctxt.m.b8[0];
+ ctxt->m.b8[4] = tctxt.m.b8[7];
+ ctxt->m.b8[5] = tctxt.m.b8[6];
+ ctxt->m.b8[6] = tctxt.m.b8[5];
+ ctxt->m.b8[7] = tctxt.m.b8[4];
+ ctxt->m.b8[8] = tctxt.m.b8[11];
+ ctxt->m.b8[9] = tctxt.m.b8[10];
+ ctxt->m.b8[10] = tctxt.m.b8[9];
+ ctxt->m.b8[11] = tctxt.m.b8[8];
+ ctxt->m.b8[12] = tctxt.m.b8[15];
+ ctxt->m.b8[13] = tctxt.m.b8[14];
+ ctxt->m.b8[14] = tctxt.m.b8[13];
+ ctxt->m.b8[15] = tctxt.m.b8[12];
+ ctxt->m.b8[16] = tctxt.m.b8[19];
+ ctxt->m.b8[17] = tctxt.m.b8[18];
+ ctxt->m.b8[18] = tctxt.m.b8[17];
+ ctxt->m.b8[19] = tctxt.m.b8[16];
+ ctxt->m.b8[20] = tctxt.m.b8[23];
+ ctxt->m.b8[21] = tctxt.m.b8[22];
+ ctxt->m.b8[22] = tctxt.m.b8[21];
+ ctxt->m.b8[23] = tctxt.m.b8[20];
+ ctxt->m.b8[24] = tctxt.m.b8[27];
+ ctxt->m.b8[25] = tctxt.m.b8[26];
+ ctxt->m.b8[26] = tctxt.m.b8[25];
+ ctxt->m.b8[27] = tctxt.m.b8[24];
+ ctxt->m.b8[28] = tctxt.m.b8[31];
+ ctxt->m.b8[29] = tctxt.m.b8[30];
+ ctxt->m.b8[30] = tctxt.m.b8[29];
+ ctxt->m.b8[31] = tctxt.m.b8[28];
+ ctxt->m.b8[32] = tctxt.m.b8[35];
+ ctxt->m.b8[33] = tctxt.m.b8[34];
+ ctxt->m.b8[34] = tctxt.m.b8[33];
+ ctxt->m.b8[35] = tctxt.m.b8[32];
+ ctxt->m.b8[36] = tctxt.m.b8[39];
+ ctxt->m.b8[37] = tctxt.m.b8[38];
+ ctxt->m.b8[38] = tctxt.m.b8[37];
+ ctxt->m.b8[39] = tctxt.m.b8[36];
+ ctxt->m.b8[40] = tctxt.m.b8[43];
+ ctxt->m.b8[41] = tctxt.m.b8[42];
+ ctxt->m.b8[42] = tctxt.m.b8[41];
+ ctxt->m.b8[43] = tctxt.m.b8[40];
+ ctxt->m.b8[44] = tctxt.m.b8[47];
+ ctxt->m.b8[45] = tctxt.m.b8[46];
+ ctxt->m.b8[46] = tctxt.m.b8[45];
+ ctxt->m.b8[47] = tctxt.m.b8[44];
+ ctxt->m.b8[48] = tctxt.m.b8[51];
+ ctxt->m.b8[49] = tctxt.m.b8[50];
+ ctxt->m.b8[50] = tctxt.m.b8[49];
+ ctxt->m.b8[51] = tctxt.m.b8[48];
+ ctxt->m.b8[52] = tctxt.m.b8[55];
+ ctxt->m.b8[53] = tctxt.m.b8[54];
+ ctxt->m.b8[54] = tctxt.m.b8[53];
+ ctxt->m.b8[55] = tctxt.m.b8[52];
+ ctxt->m.b8[56] = tctxt.m.b8[59];
+ ctxt->m.b8[57] = tctxt.m.b8[58];
+ ctxt->m.b8[58] = tctxt.m.b8[57];
+ ctxt->m.b8[59] = tctxt.m.b8[56];
+ ctxt->m.b8[60] = tctxt.m.b8[63];
+ ctxt->m.b8[61] = tctxt.m.b8[62];
+ ctxt->m.b8[62] = tctxt.m.b8[61];
+ ctxt->m.b8[63] = tctxt.m.b8[60];
#endif
- a = H(0); b = H(1); c = H(2); d = H(3); e = H(4);
+ a = H(0);
+ b = H(1);
+ c = H(2);
+ d = H(3);
+ e = H(4);
- for (t = 0; t < 20; t++) {
+ for (t = 0; t < 20; t++)
+ {
s = t & 0x0f;
- if (t >= 16) {
- W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ W((s+2) & 0x0f) ^ W(s));
- }
+ if (t >= 16)
+ W(s) = S(1, W((s + 13) & 0x0f) ^ W((s + 8) & 0x0f) ^ W((s + 2) & 0x0f) ^ W(s));
tmp = S(5, a) + F0(b, c, d) + e + W(s) + K(t);
- e = d; d = c; c = S(30, b); b = a; a = tmp;
+ e = d;
+ d = c;
+ c = S(30, b);
+ b = a;
+ a = tmp;
}
- for (t = 20; t < 40; t++) {
+ for (t = 20; t < 40; t++)
+ {
s = t & 0x0f;
- W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ W((s+2) & 0x0f) ^ W(s));
+ W(s) = S(1, W((s + 13) & 0x0f) ^ W((s + 8) & 0x0f) ^ W((s + 2) & 0x0f) ^ W(s));
tmp = S(5, a) + F1(b, c, d) + e + W(s) + K(t);
- e = d; d = c; c = S(30, b); b = a; a = tmp;
+ e = d;
+ d = c;
+ c = S(30, b);
+ b = a;
+ a = tmp;
}
- for (t = 40; t < 60; t++) {
+ for (t = 40; t < 60; t++)
+ {
s = t & 0x0f;
- W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ W((s+2) & 0x0f) ^ W(s));
+ W(s) = S(1, W((s + 13) & 0x0f) ^ W((s + 8) & 0x0f) ^ W((s + 2) & 0x0f) ^ W(s));
tmp = S(5, a) + F2(b, c, d) + e + W(s) + K(t);
- e = d; d = c; c = S(30, b); b = a; a = tmp;
+ e = d;
+ d = c;
+ c = S(30, b);
+ b = a;
+ a = tmp;
}
- for (t = 60; t < 80; t++) {
+ for (t = 60; t < 80; t++)
+ {
s = t & 0x0f;
- W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^ W((s+2) & 0x0f) ^ W(s));
+ W(s) = S(1, W((s + 13) & 0x0f) ^ W((s + 8) & 0x0f) ^ W((s + 2) & 0x0f) ^ W(s));
tmp = S(5, a) + F3(b, c, d) + e + W(s) + K(t);
- e = d; d = c; c = S(30, b); b = a; a = tmp;
+ e = d;
+ d = c;
+ c = S(30, b);
+ b = a;
+ a = tmp;
}
H(0) = H(0) + a;
@@ -170,7 +232,7 @@ sha1_step(ctxt)
void
sha1_init(ctxt)
- struct sha1_ctxt *ctxt;
+struct sha1_ctxt *ctxt;
{
bzero(ctxt, sizeof(struct sha1_ctxt));
H(0) = 0x67452301;
@@ -182,55 +244,65 @@ sha1_init(ctxt)
void
sha1_pad(ctxt)
- struct sha1_ctxt *ctxt;
+struct sha1_ctxt *ctxt;
{
- size_t padlen; /*pad length in bytes*/
- size_t padstart;
+ size_t padlen; /* pad length in bytes */
+ size_t padstart;
PUTPAD(0x80);
padstart = COUNT % 64;
padlen = 64 - padstart;
- if (padlen < 8) {
+ if (padlen < 8)
+ {
bzero(&ctxt->m.b8[padstart], padlen);
COUNT += padlen;
COUNT %= 64;
sha1_step(ctxt);
padstart = COUNT % 64; /* should be 0 */
- padlen = 64 - padstart; /* should be 64 */
+ padlen = 64 - padstart; /* should be 64 */
}
bzero(&ctxt->m.b8[padstart], padlen - 8);
COUNT += (padlen - 8);
COUNT %= 64;
#if BYTE_ORDER == BIG_ENDIAN
- PUTPAD(ctxt->c.b8[0]); PUTPAD(ctxt->c.b8[1]);
- PUTPAD(ctxt->c.b8[2]); PUTPAD(ctxt->c.b8[3]);
- PUTPAD(ctxt->c.b8[4]); PUTPAD(ctxt->c.b8[5]);
- PUTPAD(ctxt->c.b8[6]); PUTPAD(ctxt->c.b8[7]);
+ PUTPAD(ctxt->c.b8[0]);
+ PUTPAD(ctxt->c.b8[1]);
+ PUTPAD(ctxt->c.b8[2]);
+ PUTPAD(ctxt->c.b8[3]);
+ PUTPAD(ctxt->c.b8[4]);
+ PUTPAD(ctxt->c.b8[5]);
+ PUTPAD(ctxt->c.b8[6]);
+ PUTPAD(ctxt->c.b8[7]);
#else
- PUTPAD(ctxt->c.b8[7]); PUTPAD(ctxt->c.b8[6]);
- PUTPAD(ctxt->c.b8[5]); PUTPAD(ctxt->c.b8[4]);
- PUTPAD(ctxt->c.b8[3]); PUTPAD(ctxt->c.b8[2]);
- PUTPAD(ctxt->c.b8[1]); PUTPAD(ctxt->c.b8[0]);
+ PUTPAD(ctxt->c.b8[7]);
+ PUTPAD(ctxt->c.b8[6]);
+ PUTPAD(ctxt->c.b8[5]);
+ PUTPAD(ctxt->c.b8[4]);
+ PUTPAD(ctxt->c.b8[3]);
+ PUTPAD(ctxt->c.b8[2]);
+ PUTPAD(ctxt->c.b8[1]);
+ PUTPAD(ctxt->c.b8[0]);
#endif
}
void
sha1_loop(ctxt, input0, len)
- struct sha1_ctxt *ctxt;
- const caddr_t input0;
- size_t len;
+struct sha1_ctxt *ctxt;
+const caddr_t input0;
+size_t len;
{
const uint8 *input;
- size_t gaplen;
- size_t gapstart;
- size_t off;
- size_t copysiz;
+ size_t gaplen;
+ size_t gapstart;
+ size_t off;
+ size_t copysiz;
- input = (const uint8 *)input0;
+ input = (const uint8 *) input0;
off = 0;
- while (off < len) {
+ while (off < len)
+ {
gapstart = COUNT % 64;
gaplen = 64 - gapstart;
@@ -247,27 +319,37 @@ sha1_loop(ctxt, input0, len)
void
sha1_result(ctxt, digest0)
- struct sha1_ctxt *ctxt;
- caddr_t digest0;
+struct sha1_ctxt *ctxt;
+caddr_t digest0;
{
- uint8 *digest;
+ uint8 *digest;
- digest = (uint8 *)digest0;
+ digest = (uint8 *) digest0;
sha1_pad(ctxt);
#if BYTE_ORDER == BIG_ENDIAN
bcopy(&ctxt->h.b8[0], digest, 20);
#else
- digest[0] = ctxt->h.b8[3]; digest[1] = ctxt->h.b8[2];
- digest[2] = ctxt->h.b8[1]; digest[3] = ctxt->h.b8[0];
- digest[4] = ctxt->h.b8[7]; digest[5] = ctxt->h.b8[6];
- digest[6] = ctxt->h.b8[5]; digest[7] = ctxt->h.b8[4];
- digest[8] = ctxt->h.b8[11]; digest[9] = ctxt->h.b8[10];
- digest[10] = ctxt->h.b8[9]; digest[11] = ctxt->h.b8[8];
- digest[12] = ctxt->h.b8[15]; digest[13] = ctxt->h.b8[14];
- digest[14] = ctxt->h.b8[13]; digest[15] = ctxt->h.b8[12];
- digest[16] = ctxt->h.b8[19]; digest[17] = ctxt->h.b8[18];
- digest[18] = ctxt->h.b8[17]; digest[19] = ctxt->h.b8[16];
+ digest[0] = ctxt->h.b8[3];
+ digest[1] = ctxt->h.b8[2];
+ digest[2] = ctxt->h.b8[1];
+ digest[3] = ctxt->h.b8[0];
+ digest[4] = ctxt->h.b8[7];
+ digest[5] = ctxt->h.b8[6];
+ digest[6] = ctxt->h.b8[5];
+ digest[7] = ctxt->h.b8[4];
+ digest[8] = ctxt->h.b8[11];
+ digest[9] = ctxt->h.b8[10];
+ digest[10] = ctxt->h.b8[9];
+ digest[11] = ctxt->h.b8[8];
+ digest[12] = ctxt->h.b8[15];
+ digest[13] = ctxt->h.b8[14];
+ digest[14] = ctxt->h.b8[13];
+ digest[15] = ctxt->h.b8[12];
+ digest[16] = ctxt->h.b8[19];
+ digest[17] = ctxt->h.b8[18];
+ digest[18] = ctxt->h.b8[17];
+ digest[19] = ctxt->h.b8[16];
#endif
}
-#endif /*unsupported*/
+#endif /* unsupported */
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-09 00:24:05 +0000