[coreboot] r3212 - in trunk/payloads/libpayload: . crypto include
svn at coreboot.org
svn at coreboot.org
Fri Apr 4 01:01:23 CEST 2008
Author: uwe
Date: 2008-04-04 01:01:23 +0200 (Fri, 04 Apr 2008)
New Revision: 3212
Added:
trunk/payloads/libpayload/crypto/
trunk/payloads/libpayload/crypto/Makefile.inc
trunk/payloads/libpayload/crypto/sha1.c
Modified:
trunk/payloads/libpayload/LICENSES
trunk/payloads/libpayload/Makefile
trunk/payloads/libpayload/include/libpayload.h
Log:
Add a SHA-1 implementation to libpayload.
Signed-off-by: Uwe Hermann <uwe at hermann-uwe.de>
Acked-by: Peter Stuge <peter at stuge.se>
Modified: trunk/payloads/libpayload/LICENSES
===================================================================
--- trunk/payloads/libpayload/LICENSES 2008-04-03 22:20:35 UTC (rev 3211)
+++ trunk/payloads/libpayload/LICENSES 2008-04-03 23:01:23 UTC (rev 3212)
@@ -86,3 +86,9 @@
kernel/generic/src/printf/vprintf.c
Current version we use: r2745
+* crypto/sha1.c: Public domain
+ Source: OpenBSD
+ http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/hash/sha1.c
+ Original files: src/lib/libc/hash/sha1.c
+ Current version we use: CVS revision 1.20 2005/08/08
+
Modified: trunk/payloads/libpayload/Makefile
===================================================================
--- trunk/payloads/libpayload/Makefile 2008-04-03 22:20:35 UTC (rev 3211)
+++ trunk/payloads/libpayload/Makefile 2008-04-03 23:01:23 UTC (rev 3212)
@@ -54,7 +54,7 @@
PLATFORM-$(CONFIG_TARGET_I386) += i386/Makefile.inc
TARGETS-y :=
-BUILD-y := libc/Makefile.inc drivers/Makefile.inc
+BUILD-y := crypto/Makefile.inc libc/Makefile.inc drivers/Makefile.inc
BUILD-$(CONFIG_TINYCURSES) += curses/Makefile.inc
include $(PLATFORM-y) $(BUILD-y)
Added: trunk/payloads/libpayload/crypto/Makefile.inc
===================================================================
--- trunk/payloads/libpayload/crypto/Makefile.inc (rev 0)
+++ trunk/payloads/libpayload/crypto/Makefile.inc 2008-04-03 23:01:23 UTC (rev 3212)
@@ -0,0 +1,30 @@
+##
+## This file is part of the libpayload project.
+##
+## Copyright (C) 2008 Uwe Hermann <uwe at hermann-uwe.de>
+##
+## Redistribution and use in source and binary forms, with or without
+## 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.
+## 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.
+## 3. The name of the author may not be used to endorse or promote products
+## derived from this software without specific prior written permission.
+##
+## THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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)
+## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+## SUCH DAMAGE.
+##
+
+TARGETS-y += crypto/sha1.o
Added: trunk/payloads/libpayload/crypto/sha1.c
===================================================================
--- trunk/payloads/libpayload/crypto/sha1.c (rev 0)
+++ trunk/payloads/libpayload/crypto/sha1.c 2008-04-03 23:01:23 UTC (rev 3212)
@@ -0,0 +1,211 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * It has originally been taken from the OpenBSD project.
+ */
+
+/* $OpenBSD: sha1.c,v 1.20 2005/08/08 08:05:35 espie Exp $ */
+
+/*
+ * SHA-1 in C
+ * By Steve Reid <steve at edmweb.com>
+ * 100% Public Domain
+ *
+ * Test Vectors (from FIPS PUB 180-1)
+ * "abc"
+ * A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
+ * "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
+ * 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
+ * A million repetitions of "a"
+ * 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
+ */
+
+#include <libpayload.h>
+
+typedef u8 u_int8_t;
+typedef u32 u_int32_t;
+typedef u64 u_int64_t;
+typedef unsigned int u_int;
+
+#if 0
+#include <sys/param.h>
+#include <string.h>
+#include <sha1.h>
+#endif
+
+#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
+
+/*
+ * blk0() and blk() perform the initial expand.
+ * I got the idea of expanding during the round function from SSLeay
+ */
+#if BYTE_ORDER == LITTLE_ENDIAN
+# define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
+ |(rol(block->l[i],8)&0x00FF00FF))
+#else
+# define blk0(i) block->l[i]
+#endif
+#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
+ ^block->l[(i+2)&15]^block->l[i&15],1))
+
+/*
+ * (R0+R1), R2, R3, R4 are the different operations (rounds) used in SHA1
+ */
+#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
+#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
+#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
+
+/*
+ * Hash a single 512-bit block. This is the core of the algorithm.
+ */
+void
+SHA1Transform(u_int32_t state[5], const u_int8_t buffer[SHA1_BLOCK_LENGTH])
+{
+ u_int32_t a, b, c, d, e;
+ u_int8_t workspace[SHA1_BLOCK_LENGTH];
+ typedef union {
+ u_int8_t c[64];
+ u_int32_t l[16];
+ } CHAR64LONG16;
+ CHAR64LONG16 *block = (CHAR64LONG16 *)workspace;
+
+ (void)memcpy(block, buffer, SHA1_BLOCK_LENGTH);
+
+ /* 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;
+}
+
+
+/*
+ * SHA1Init - Initialize new context
+ */
+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;
+}
+
+
+/*
+ * Run your data through this.
+ */
+void
+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, (u_int8_t *)&data[i]);
+ j = 0;
+ } else {
+ i = 0;
+ }
+ (void)memcpy(&context->buffer[j], &data[i], len - i);
+}
+
+
+/*
+ * Add padding and return the message digest.
+ */
+void
+SHA1Pad(SHA1_CTX *context)
+{
+ 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_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_int8_t)
+ ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
+ }
+ memset(context, 0, sizeof(*context));
+ }
+}
+
+/**
+ * Compute the SHA-1 hash of the given data as specified by the 'data' and
+ * 'len' arguments, and place the result -- 160 bits (20 bytes) -- into the
+ * specified output buffer 'buf'.
+ *
+ * @param data Pointer to the input data that shall be hashed.
+ * @param len Length of the input data (in bytes).
+ * @param buf Buffer which will hold the resulting hash (must be at
+ * least 20 bytes in size).
+ * @return Pointer to the output buffer where the hash is stored.
+ */
+u8 *sha1(const u8 *data, size_t len, u8 *buf)
+{
+ SHA1_CTX ctx;
+
+ SHA1Init(&ctx);
+ SHA1Update(&ctx, data, len);
+ SHA1Final(buf, &ctx);
+
+ return buf;
+}
Modified: trunk/payloads/libpayload/include/libpayload.h
===================================================================
--- trunk/payloads/libpayload/include/libpayload.h 2008-04-03 22:20:35 UTC (rev 3211)
+++ trunk/payloads/libpayload/include/libpayload.h 2008-04-03 23:01:23 UTC (rev 3212)
@@ -41,6 +41,14 @@
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+#define LITTLE_ENDIAN 1234
+#define BIG_ENDIAN 4321
+#ifdef CONFIG_TARGET_I386
+#define BYTE_ORDER LITTLE_ENDIAN
+#else
+#define BYTE_ORDER BIG_ENDIAN
+#endif
+
/* Some NVRAM byte definitions */
#define NVRAM_RTC_SECONDS 0
#define NVRAM_RTC_MINUTES 2
@@ -117,6 +125,20 @@
int printf(const char *fmt, ...);
int vprintf(const char *fmt, va_list ap);
+/* libc/sha1.c */
+#define SHA1_BLOCK_LENGTH 64
+#define SHA1_DIGEST_LENGTH 20
+typedef struct {
+ u32 state[5];
+ u64 count;
+ u8 buffer[SHA1_BLOCK_LENGTH];
+} SHA1_CTX;
+void SHA1Init(SHA1_CTX *context);
+void SHA1Transform(u32 state[5], const u8 buffer[SHA1_BLOCK_LENGTH]);
+void SHA1Update(SHA1_CTX *context, const u8 *data, size_t len);
+void SHA1Final(u8 digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context);
+u8 *sha1(const u8 *data, size_t len, u8 *buf);
+
/* libc/string.c */
size_t strnlen(const char *str, size_t maxlen);
size_t strlen(const char *str);
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