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authorBrad King <brad.king@kitware.com>2011-06-27 18:35:09 (GMT)
committerBrad King <brad.king@kitware.com>2011-06-27 18:55:30 (GMT)
commit8251b20d4bba026b920c018e7cfb6ce2ce101110 (patch)
tree7d11483240b65008f4d07bd99ca2d0a0b49720a4
parent9912c41c176105bf0dad953e242aacc2717e9e6f (diff)
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Import sha2 implementation 1.1 from Aaron D. Gifford
Update cm_sha2.[hc] from sha2.[hc] in "sha2-1.1-ALPHA.tgz" downloaded today from http://www.aarongifford.com/computers/sha.html with trivial whitespace cleanup. This adds SHA-224 support.
-rw-r--r--Source/cm_sha2.c1103
-rw-r--r--Source/cm_sha2.h192
2 files changed, 949 insertions, 346 deletions
diff --git a/Source/cm_sha2.c b/Source/cm_sha2.c
index 15f0f20..855a5bb 100644
--- a/Source/cm_sha2.c
+++ b/Source/cm_sha2.c
@@ -1,8 +1,9 @@
/*
* FILE: sha2.c
- * AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/
+ * AUTHOR: Aaron D. Gifford
+ * http://www.aarongifford.com/computers/sha.html
*
- * Copyright (c) 2000-2001, Aaron D. Gifford
+ * Copyright (c) 2000-2003, Aaron D. Gifford
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -29,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: sha2.c,v 1.1 2001/11/08 00:01:51 adg Exp adg $
+ * $Id: sha2.c,v 1.4 2004/01/07 22:58:18 adg Exp $
*/
#include <string.h> /* memcpy()/memset() or bcopy()/bzero() */
@@ -57,7 +58,7 @@
*/
-/*** SHA-256/384/512 Machine Architecture Definitions *****************/
+/*** SHA-224/256/384/512 Machine Architecture Definitions *************/
/*
* BYTE_ORDER NOTE:
*
@@ -90,7 +91,7 @@
#endif
/*
- * Define the followingsha2_* types to types of the correct length on
+ * Define the following sha_* types to types of the correct length on
* the native archtecture. Most BSD systems and Linux define u_intXX_t
* types. Machines with very recent ANSI C headers, can use the
* uintXX_t definintions from inttypes.h by defining SHA2_USE_INTTYPES_H
@@ -105,35 +106,28 @@
*/
#ifdef SHA2_USE_INTTYPES_H
-typedef uint8_t sha2_byte; /* Exactly 1 byte */
-typedef uint32_t sha2_word32; /* Exactly 4 bytes */
-typedef uint64_t sha2_word64; /* Exactly 8 bytes */
+typedef uint8_t sha_byte; /* Exactly 1 byte */
+typedef uint32_t sha_word32; /* Exactly 4 bytes */
+typedef uint64_t sha_word64; /* Exactly 8 bytes */
#else /* SHA2_USE_INTTYPES_H */
-typedef u_int8_t sha2_byte; /* Exactly 1 byte */
-typedef u_int32_t sha2_word32; /* Exactly 4 bytes */
-typedef u_int64_t sha2_word64; /* Exactly 8 bytes */
+typedef u_int8_t sha_byte; /* Exactly 1 byte */
+typedef u_int32_t sha_word32; /* Exactly 4 bytes */
+typedef u_int64_t sha_word64; /* Exactly 8 bytes */
#endif /* SHA2_USE_INTTYPES_H */
-/*** SHA-256/384/512 Various Length Definitions ***********************/
-/* NOTE: Most of these are in sha2.h */
-#define SHA256_SHORT_BLOCK_LENGTH (SHA256_BLOCK_LENGTH - 8)
-#define SHA384_SHORT_BLOCK_LENGTH (SHA384_BLOCK_LENGTH - 16)
-#define SHA512_SHORT_BLOCK_LENGTH (SHA512_BLOCK_LENGTH - 16)
-
-
/*** ENDIAN REVERSAL MACROS *******************************************/
#if BYTE_ORDER == LITTLE_ENDIAN
#define REVERSE32(w,x) { \
- sha2_word32 tmp = (w); \
+ sha_word32 tmp = (w); \
tmp = (tmp >> 16) | (tmp << 16); \
(x) = ((tmp & 0xff00ff00UL) >> 8) | ((tmp & 0x00ff00ffUL) << 8); \
}
#define REVERSE64(w,x) { \
- sha2_word64 tmp = (w); \
+ sha_word64 tmp = (w); \
tmp = (tmp >> 32) | (tmp << 32); \
tmp = ((tmp & 0xff00ff00ff00ff00ULL) >> 8) | \
((tmp & 0x00ff00ff00ff00ffULL) << 8); \
@@ -148,7 +142,7 @@ typedef u_int64_t sha2_word64; /* Exactly 8 bytes */
* 64-bit words):
*/
#define ADDINC128(w,n) { \
- (w)[0] += (sha2_word64)(n); \
+ (w)[0] += (sha_word64)(n); \
if ((w)[0] < (n)) { \
(w)[1]++; \
} \
@@ -186,47 +180,81 @@ typedef u_int64_t sha2_word64; /* Exactly 8 bytes */
/*
* Bit shifting and rotation (used by the six SHA-XYZ logical functions:
*
- * NOTE: The naming of R and S appears backwards here (R is a SHIFT and
- * S is a ROTATION) because the SHA-256/384/512 description document
- * (see http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf) uses this
- * same "backwards" definition.
+ * NOTE: In the original SHA-256/384/512 document, the shift-right
+ * function was named R and the rotate-right function was called S.
+ * (See: http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf on the
+ * web.)
+ *
+ * The newer NIST FIPS 180-2 document uses a much clearer naming
+ * scheme, SHR for shift-right, ROTR for rotate-right, and ROTL for
+ * rotate-left. (See:
+ * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
+ * on the web.)
+ *
+ * WARNING: These macros must be used cautiously, since they reference
+ * supplied parameters sometimes more than once, and thus could have
+ * unexpected side-effects if used without taking this into account.
*/
/* Shift-right (used in SHA-256, SHA-384, and SHA-512): */
-#define R(b,x) ((x) >> (b))
+#define SHR(b,x) ((x) >> (b))
/* 32-bit Rotate-right (used in SHA-256): */
-#define S32(b,x) (((x) >> (b)) | ((x) << (32 - (b))))
+#define ROTR32(b,x) (((x) >> (b)) | ((x) << (32 - (b))))
/* 64-bit Rotate-right (used in SHA-384 and SHA-512): */
-#define S64(b,x) (((x) >> (b)) | ((x) << (64 - (b))))
+#define ROTR64(b,x) (((x) >> (b)) | ((x) << (64 - (b))))
+/* 32-bit Rotate-left (used in SHA-1): */
+#define ROTL32(b,x) (((x) << (b)) | ((x) >> (32 - (b))))
-/* Two of six logical functions used in SHA-256, SHA-384, and SHA-512: */
+/* Two logical functions used in SHA-1, SHA-254, SHA-256, SHA-384, and SHA-512: */
#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
-/* Four of six logical functions used in SHA-256: */
-#define Sigma0_256(x) (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x)))
-#define Sigma1_256(x) (S32(6, (x)) ^ S32(11, (x)) ^ S32(25, (x)))
-#define sigma0_256(x) (S32(7, (x)) ^ S32(18, (x)) ^ R(3 , (x)))
-#define sigma1_256(x) (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x)))
+/* Function used in SHA-1: */
+#define Parity(x,y,z) ((x) ^ (y) ^ (z))
+
+/* Four logical functions used in SHA-256: */
+#define Sigma0_256(x) (ROTR32(2, (x)) ^ ROTR32(13, (x)) ^ ROTR32(22, (x)))
+#define Sigma1_256(x) (ROTR32(6, (x)) ^ ROTR32(11, (x)) ^ ROTR32(25, (x)))
+#define sigma0_256(x) (ROTR32(7, (x)) ^ ROTR32(18, (x)) ^ SHR( 3 , (x)))
+#define sigma1_256(x) (ROTR32(17, (x)) ^ ROTR32(19, (x)) ^ SHR( 10, (x)))
/* Four of six logical functions used in SHA-384 and SHA-512: */
-#define Sigma0_512(x) (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x)))
-#define Sigma1_512(x) (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x)))
-#define sigma0_512(x) (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x)))
-#define sigma1_512(x) (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x)))
+#define Sigma0_512(x) (ROTR64(28, (x)) ^ ROTR64(34, (x)) ^ ROTR64(39, (x)))
+#define Sigma1_512(x) (ROTR64(14, (x)) ^ ROTR64(18, (x)) ^ ROTR64(41, (x)))
+#define sigma0_512(x) (ROTR64( 1, (x)) ^ ROTR64( 8, (x)) ^ SHR( 7, (x)))
+#define sigma1_512(x) (ROTR64(19, (x)) ^ ROTR64(61, (x)) ^ SHR( 6, (x)))
/*** INTERNAL FUNCTION PROTOTYPES *************************************/
-/* NOTE: These should not be accessed directly from outside this
- * library -- they are intended for private internal visibility/use
- * only.
- */
-void SHA512_Last(SHA512_CTX*);
-void SHA256_Transform(SHA256_CTX*, const sha2_word32*);
-void SHA512_Transform(SHA512_CTX*, const sha2_word64*);
+/* SHA-224 and SHA-256: */
+void SHA256_Internal_Init(SHA_CTX*, const sha_word32*);
+void SHA256_Internal_Last(SHA_CTX*);
+void SHA256_Internal_Transform(SHA_CTX*, const sha_word32*);
+
+/* SHA-384 and SHA-512: */
+void SHA512_Internal_Init(SHA_CTX*, const sha_word64*);
+void SHA512_Internal_Last(SHA_CTX*);
+void SHA512_Internal_Transform(SHA_CTX*, const sha_word64*);
+
+
+/*** SHA2 INITIAL HASH VALUES AND CONSTANTS ***************************/
-/*** SHA-XYZ INITIAL HASH VALUES AND CONSTANTS ************************/
-/* Hash constant words K for SHA-256: */
-const static sha2_word32 K256[64] = {
+/* Hash constant words K for SHA-1: */
+#define K1_0_TO_19 0x5a827999UL
+#define K1_20_TO_39 0x6ed9eba1UL
+#define K1_40_TO_59 0x8f1bbcdcUL
+#define K1_60_TO_79 0xca62c1d6UL
+
+/* Initial hash value H for SHA-1: */
+const static sha_word32 sha1_initial_hash_value[5] = {
+ 0x67452301UL,
+ 0xefcdab89UL,
+ 0x98badcfeUL,
+ 0x10325476UL,
+ 0xc3d2e1f0UL
+};
+
+/* Hash constant words K for SHA-224 and SHA-256: */
+const static sha_word32 K256[64] = {
0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL,
0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL,
0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL,
@@ -245,8 +273,20 @@ const static sha2_word32 K256[64] = {
0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
};
+/* Initial hash value H for SHA-224: */
+const static sha_word32 sha224_initial_hash_value[8] = {
+ 0xc1059ed8UL,
+ 0x367cd507UL,
+ 0x3070dd17UL,
+ 0xf70e5939UL,
+ 0xffc00b31UL,
+ 0x68581511UL,
+ 0x64f98fa7UL,
+ 0xbefa4fa4UL
+};
+
/* Initial hash value H for SHA-256: */
-const static sha2_word32 sha256_initial_hash_value[8] = {
+const static sha_word32 sha256_initial_hash_value[8] = {
0x6a09e667UL,
0xbb67ae85UL,
0x3c6ef372UL,
@@ -258,7 +298,7 @@ const static sha2_word32 sha256_initial_hash_value[8] = {
};
/* Hash constant words K for SHA-384 and SHA-512: */
-const static sha2_word64 K512[80] = {
+const static sha_word64 K512[80] = {
0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL,
0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL,
0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
@@ -302,7 +342,7 @@ const static sha2_word64 K512[80] = {
};
/* Initial hash value H for SHA-384 */
-const static sha2_word64 sha384_initial_hash_value[8] = {
+const static sha_word64 sha384_initial_hash_value[8] = {
0xcbbb9d5dc1059ed8ULL,
0x629a292a367cd507ULL,
0x9159015a3070dd17ULL,
@@ -314,7 +354,7 @@ const static sha2_word64 sha384_initial_hash_value[8] = {
};
/* Initial hash value H for SHA-512 */
-const static sha2_word64 sha512_initial_hash_value[8] = {
+const static sha_word64 sha512_initial_hash_value[8] = {
0x6a09e667f3bcc908ULL,
0xbb67ae8584caa73bULL,
0x3c6ef372fe94f82bULL,
@@ -326,20 +366,439 @@ const static sha2_word64 sha512_initial_hash_value[8] = {
};
/*
- * Constant used by SHA256/384/512_End() functions for converting the
+ * Constant used by SHA224/256/384/512_End() functions for converting the
* digest to a readable hexadecimal character string:
*/
-static const char *sha2_hex_digits = "0123456789abcdef";
+static const char *sha_hex_digits = "0123456789abcdef";
-/*** SHA-256: *********************************************************/
-void SHA256_Init(SHA256_CTX* context) {
- if (context == (SHA256_CTX*)0) {
+/*** SHA-1: ***********************************************************/
+void SHA1_Init(SHA_CTX* context) {
+ /* Sanity check: */
+ assert(context != (SHA_CTX*)0);
+
+ MEMCPY_BCOPY(context->s1.state, sha1_initial_hash_value, sizeof(sha_word32) * 5);
+ MEMSET_BZERO(context->s1.buffer, 64);
+ context->s1.bitcount = 0;
+}
+
+#ifdef SHA2_UNROLL_TRANSFORM
+
+/* Unrolled SHA-1 round macros: */
+
+#if BYTE_ORDER == LITTLE_ENDIAN
+
+#define ROUND1_0_TO_15(a,b,c,d,e) \
+ REVERSE32(*data++, W1[j]); \
+ (e) = ROTL32(5, (a)) + Ch((b), (c), (d)) + (e) + \
+ K1_0_TO_19 + W1[j]; \
+ (b) = ROTL32(30, (b)); \
+ j++;
+
+#else /* BYTE_ORDER == LITTLE_ENDIAN */
+
+#define ROUND1_0_TO_15(a,b,c,d,e) \
+ (e) = ROTL32(5, (a)) + Ch((b), (c), (d)) + (e) + \
+ K1_0_TO_19 + ( W1[j] = *data++ ); \
+ (b) = ROTL32(30, (b)); \
+ j++;
+
+#endif /* BYTE_ORDER == LITTLE_ENDIAN */
+
+#define ROUND1_16_TO_19(a,b,c,d,e) \
+ T1 = W1[(j+13)&0x0f] ^ W1[(j+8)&0x0f] ^ W1[(j+2)&0x0f] ^ W1[j&0x0f]; \
+ (e) = ROTL32(5, a) + Ch(b,c,d) + e + K1_0_TO_19 + ( W1[j&0x0f] = ROTL32(1, T1) ); \
+ (b) = ROTL32(30, b); \
+ j++;
+
+#define ROUND1_20_TO_39(a,b,c,d,e) \
+ T1 = W1[(j+13)&0x0f] ^ W1[(j+8)&0x0f] ^ W1[(j+2)&0x0f] ^ W1[j&0x0f]; \
+ (e) = ROTL32(5, a) + Parity(b,c,d) + e + K1_20_TO_39 + ( W1[j&0x0f] = ROTL32(1, T1) ); \
+ (b) = ROTL32(30, b); \
+ j++;
+
+#define ROUND1_40_TO_59(a,b,c,d,e) \
+ T1 = W1[(j+13)&0x0f] ^ W1[(j+8)&0x0f] ^ W1[(j+2)&0x0f] ^ W1[j&0x0f]; \
+ (e) = ROTL32(5, a) + Maj(b,c,d) + e + K1_40_TO_59 + ( W1[j&0x0f] = ROTL32(1, T1) ); \
+ (b) = ROTL32(30, b); \
+ j++;
+
+#define ROUND1_60_TO_79(a,b,c,d,e) \
+ T1 = W1[(j+13)&0x0f] ^ W1[(j+8)&0x0f] ^ W1[(j+2)&0x0f] ^ W1[j&0x0f]; \
+ (e) = ROTL32(5, a) + Parity(b,c,d) + e + K1_60_TO_79 + ( W1[j&0x0f] = ROTL32(1, T1) ); \
+ (b) = ROTL32(30, b); \
+ j++;
+
+void SHA1_Internal_Transform(SHA_CTX* context, const sha_word32* data) {
+ sha_word32 a, b, c, d, e;
+ sha_word32 T1, *W1;
+ int j;
+
+ W1 = (sha_word32*)context->s1.buffer;
+
+ /* Initialize registers with the prev. intermediate value */
+ a = context->s1.state[0];
+ b = context->s1.state[1];
+ c = context->s1.state[2];
+ d = context->s1.state[3];
+ e = context->s1.state[4];
+
+ j = 0;
+
+ /* Rounds 0 to 15 unrolled: */
+ ROUND1_0_TO_15(a,b,c,d,e);
+ ROUND1_0_TO_15(e,a,b,c,d);
+ ROUND1_0_TO_15(d,e,a,b,c);
+ ROUND1_0_TO_15(c,d,e,a,b);
+ ROUND1_0_TO_15(b,c,d,e,a);
+ ROUND1_0_TO_15(a,b,c,d,e);
+ ROUND1_0_TO_15(e,a,b,c,d);
+ ROUND1_0_TO_15(d,e,a,b,c);
+ ROUND1_0_TO_15(c,d,e,a,b);
+ ROUND1_0_TO_15(b,c,d,e,a);
+ ROUND1_0_TO_15(a,b,c,d,e);
+ ROUND1_0_TO_15(e,a,b,c,d);
+ ROUND1_0_TO_15(d,e,a,b,c);
+ ROUND1_0_TO_15(c,d,e,a,b);
+ ROUND1_0_TO_15(b,c,d,e,a);
+ ROUND1_0_TO_15(a,b,c,d,e);
+
+ /* Rounds 16 to 19 unrolled: */
+ ROUND1_16_TO_19(e,a,b,c,d);
+ ROUND1_16_TO_19(d,e,a,b,c);
+ ROUND1_16_TO_19(c,d,e,a,b);
+ ROUND1_16_TO_19(b,c,d,e,a);
+
+ /* Rounds 20 to 39 unrolled: */
+ ROUND1_20_TO_39(a,b,c,d,e);
+ ROUND1_20_TO_39(e,a,b,c,d);
+ ROUND1_20_TO_39(d,e,a,b,c);
+ ROUND1_20_TO_39(c,d,e,a,b);
+ ROUND1_20_TO_39(b,c,d,e,a);
+ ROUND1_20_TO_39(a,b,c,d,e);
+ ROUND1_20_TO_39(e,a,b,c,d);
+ ROUND1_20_TO_39(d,e,a,b,c);
+ ROUND1_20_TO_39(c,d,e,a,b);
+ ROUND1_20_TO_39(b,c,d,e,a);
+ ROUND1_20_TO_39(a,b,c,d,e);
+ ROUND1_20_TO_39(e,a,b,c,d);
+ ROUND1_20_TO_39(d,e,a,b,c);
+ ROUND1_20_TO_39(c,d,e,a,b);
+ ROUND1_20_TO_39(b,c,d,e,a);
+ ROUND1_20_TO_39(a,b,c,d,e);
+ ROUND1_20_TO_39(e,a,b,c,d);
+ ROUND1_20_TO_39(d,e,a,b,c);
+ ROUND1_20_TO_39(c,d,e,a,b);
+ ROUND1_20_TO_39(b,c,d,e,a);
+
+ /* Rounds 40 to 59 unrolled: */
+ ROUND1_40_TO_59(a,b,c,d,e);
+ ROUND1_40_TO_59(e,a,b,c,d);
+ ROUND1_40_TO_59(d,e,a,b,c);
+ ROUND1_40_TO_59(c,d,e,a,b);
+ ROUND1_40_TO_59(b,c,d,e,a);
+ ROUND1_40_TO_59(a,b,c,d,e);
+ ROUND1_40_TO_59(e,a,b,c,d);
+ ROUND1_40_TO_59(d,e,a,b,c);
+ ROUND1_40_TO_59(c,d,e,a,b);
+ ROUND1_40_TO_59(b,c,d,e,a);
+ ROUND1_40_TO_59(a,b,c,d,e);
+ ROUND1_40_TO_59(e,a,b,c,d);
+ ROUND1_40_TO_59(d,e,a,b,c);
+ ROUND1_40_TO_59(c,d,e,a,b);
+ ROUND1_40_TO_59(b,c,d,e,a);
+ ROUND1_40_TO_59(a,b,c,d,e);
+ ROUND1_40_TO_59(e,a,b,c,d);
+ ROUND1_40_TO_59(d,e,a,b,c);
+ ROUND1_40_TO_59(c,d,e,a,b);
+ ROUND1_40_TO_59(b,c,d,e,a);
+
+ /* Rounds 60 to 79 unrolled: */
+ ROUND1_60_TO_79(a,b,c,d,e);
+ ROUND1_60_TO_79(e,a,b,c,d);
+ ROUND1_60_TO_79(d,e,a,b,c);
+ ROUND1_60_TO_79(c,d,e,a,b);
+ ROUND1_60_TO_79(b,c,d,e,a);
+ ROUND1_60_TO_79(a,b,c,d,e);
+ ROUND1_60_TO_79(e,a,b,c,d);
+ ROUND1_60_TO_79(d,e,a,b,c);
+ ROUND1_60_TO_79(c,d,e,a,b);
+ ROUND1_60_TO_79(b,c,d,e,a);
+ ROUND1_60_TO_79(a,b,c,d,e);
+ ROUND1_60_TO_79(e,a,b,c,d);
+ ROUND1_60_TO_79(d,e,a,b,c);
+ ROUND1_60_TO_79(c,d,e,a,b);
+ ROUND1_60_TO_79(b,c,d,e,a);
+ ROUND1_60_TO_79(a,b,c,d,e);
+ ROUND1_60_TO_79(e,a,b,c,d);
+ ROUND1_60_TO_79(d,e,a,b,c);
+ ROUND1_60_TO_79(c,d,e,a,b);
+ ROUND1_60_TO_79(b,c,d,e,a);
+
+ /* Compute the current intermediate hash value */
+ context->s1.state[0] += a;
+ context->s1.state[1] += b;
+ context->s1.state[2] += c;
+ context->s1.state[3] += d;
+ context->s1.state[4] += e;
+
+ /* Clean up */
+ a = b = c = d = e = T1 = 0;
+}
+
+#else /* SHA2_UNROLL_TRANSFORM */
+
+void SHA1_Internal_Transform(SHA_CTX* context, const sha_word32* data) {
+ sha_word32 a, b, c, d, e;
+ sha_word32 T1, *W1;
+ int j;
+
+ W1 = (sha_word32*)context->s1.buffer;
+
+ /* Initialize registers with the prev. intermediate value */
+ a = context->s1.state[0];
+ b = context->s1.state[1];
+ c = context->s1.state[2];
+ d = context->s1.state[3];
+ e = context->s1.state[4];
+ j = 0;
+ do {
+#if BYTE_ORDER == LITTLE_ENDIAN
+ T1 = data[j];
+ /* Copy data while converting to host byte order */
+ REVERSE32(*data++, W1[j]);
+ T1 = ROTL32(5, a) + Ch(b, c, d) + e + K1_0_TO_19 + W1[j];
+#else /* BYTE_ORDER == LITTLE_ENDIAN */
+ T1 = ROTL32(5, a) + Ch(b, c, d) + e + K1_0_TO_19 + (W1[j] = *data++);
+#endif /* BYTE_ORDER == LITTLE_ENDIAN */
+ e = d;
+ d = c;
+ c = ROTL32(30, b);
+ b = a;
+ a = T1;
+ j++;
+ } while (j < 16);
+
+ do {
+ T1 = W1[(j+13)&0x0f] ^ W1[(j+8)&0x0f] ^ W1[(j+2)&0x0f] ^ W1[j&0x0f];
+ T1 = ROTL32(5, a) + Ch(b,c,d) + e + K1_0_TO_19 + (W1[j&0x0f] = ROTL32(1, T1));
+ e = d;
+ d = c;
+ c = ROTL32(30, b);
+ b = a;
+ a = T1;
+ j++;
+ } while (j < 20);
+
+ do {
+ T1 = W1[(j+13)&0x0f] ^ W1[(j+8)&0x0f] ^ W1[(j+2)&0x0f] ^ W1[j&0x0f];
+ T1 = ROTL32(5, a) + Parity(b,c,d) + e + K1_20_TO_39 + (W1[j&0x0f] = ROTL32(1, T1));
+ e = d;
+ d = c;
+ c = ROTL32(30, b);
+ b = a;
+ a = T1;
+ j++;
+ } while (j < 40);
+
+ do {
+ T1 = W1[(j+13)&0x0f] ^ W1[(j+8)&0x0f] ^ W1[(j+2)&0x0f] ^ W1[j&0x0f];
+ T1 = ROTL32(5, a) + Maj(b,c,d) + e + K1_40_TO_59 + (W1[j&0x0f] = ROTL32(1, T1));
+ e = d;
+ d = c;
+ c = ROTL32(30, b);
+ b = a;
+ a = T1;
+ j++;
+ } while (j < 60);
+
+ do {
+ T1 = W1[(j+13)&0x0f] ^ W1[(j+8)&0x0f] ^ W1[(j+2)&0x0f] ^ W1[j&0x0f];
+ T1 = ROTL32(5, a) + Parity(b,c,d) + e + K1_60_TO_79 + (W1[j&0x0f] = ROTL32(1, T1));
+ e = d;
+ d = c;
+ c = ROTL32(30, b);
+ b = a;
+ a = T1;
+ j++;
+ } while (j < 80);
+
+
+ /* Compute the current intermediate hash value */
+ context->s1.state[0] += a;
+ context->s1.state[1] += b;
+ context->s1.state[2] += c;
+ context->s1.state[3] += d;
+ context->s1.state[4] += e;
+
+ /* Clean up */
+ a = b = c = d = e = T1 = 0;
+}
+
+#endif /* SHA2_UNROLL_TRANSFORM */
+
+void SHA1_Update(SHA_CTX* context, const sha_byte *data, size_t len) {
+ unsigned int freespace, usedspace;
+ if (len == 0) {
+ /* Calling with no data is valid - we do nothing */
return;
}
- MEMCPY_BCOPY(context->state, sha256_initial_hash_value, SHA256_DIGEST_LENGTH);
- MEMSET_BZERO(context->buffer, SHA256_BLOCK_LENGTH);
- context->bitcount = 0;
+
+ /* Sanity check: */
+ assert(context != (SHA_CTX*)0 && data != (sha_byte*)0);
+
+ usedspace = (context->s1.bitcount >> 3) % 64;
+ if (usedspace > 0) {
+ /* Calculate how much free space is available in the buffer */
+ freespace = 64 - usedspace;
+
+ if (len >= freespace) {
+ /* Fill the buffer completely and process it */
+ MEMCPY_BCOPY(&context->s1.buffer[usedspace], data, freespace);
+ context->s1.bitcount += freespace << 3;
+ len -= freespace;
+ data += freespace;
+ SHA1_Internal_Transform(context, (sha_word32*)context->s1.buffer);
+ } else {
+ /* The buffer is not yet full */
+ MEMCPY_BCOPY(&context->s1.buffer[usedspace], data, len);
+ context->s1.bitcount += len << 3;
+ /* Clean up: */
+ usedspace = freespace = 0;
+ return;
+ }
+ }
+ while (len >= 64) {
+ /* Process as many complete blocks as we can */
+ SHA1_Internal_Transform(context, (sha_word32*)data);
+ context->s1.bitcount += 512;
+ len -= 64;
+ data += 64;
+ }
+ if (len > 0) {
+ /* There's left-overs, so save 'em */
+ MEMCPY_BCOPY(context->s1.buffer, data, len);
+ context->s1.bitcount += len << 3;
+ }
+ /* Clean up: */
+ usedspace = freespace = 0;
+}
+
+void SHA1_Final(sha_byte digest[], SHA_CTX* context) {
+ sha_word32 *d = (sha_word32*)digest;
+ unsigned int usedspace;
+
+ /* Sanity check: */
+ assert(context != (SHA_CTX*)0);
+
+ if (digest == (sha_byte*)0) {
+ /*
+ * No digest buffer, so we can do nothing
+ * except clean up and go home
+ */
+ MEMSET_BZERO(context, sizeof(context));
+ return;
+ }
+
+ usedspace = (context->s1.bitcount >> 3) % 64;
+ if (usedspace == 0) {
+ /* Set-up for the last transform: */
+ MEMSET_BZERO(context->s1.buffer, 56);
+
+ /* Begin padding with a 1 bit: */
+ *context->s1.buffer = 0x80;
+ } else {
+ /* Begin padding with a 1 bit: */
+ context->s1.buffer[usedspace++] = 0x80;
+
+ if (usedspace <= 56) {
+ /* Set-up for the last transform: */
+ MEMSET_BZERO(&context->s1.buffer[usedspace], 56 - usedspace);
+ } else {
+ if (usedspace < 64) {
+ MEMSET_BZERO(&context->s1.buffer[usedspace], 64 - usedspace);
+ }
+ /* Do second-to-last transform: */
+ SHA1_Internal_Transform(context, (sha_word32*)context->s1.buffer);
+
+ /* And set-up for the last transform: */
+ MEMSET_BZERO(context->s1.buffer, 56);
+ }
+ /* Clean up: */
+ usedspace = 0;
+ }
+ /* Set the bit count: */
+#if BYTE_ORDER == LITTLE_ENDIAN
+ /* Convert FROM host byte order */
+ REVERSE64(context->s1.bitcount,context->s1.bitcount);
+#endif
+ *(sha_word64*)&context->s1.buffer[56] = context->s1.bitcount;
+
+ /* Final transform: */
+ SHA1_Internal_Transform(context, (sha_word32*)context->s1.buffer);
+
+ /* Save the hash data for output: */
+#if BYTE_ORDER == LITTLE_ENDIAN
+ {
+ /* Convert TO host byte order */
+ int j;
+ for (j = 0; j < (SHA1_DIGEST_LENGTH >> 2); j++) {
+ REVERSE32(context->s1.state[j],context->s1.state[j]);
+ *d++ = context->s1.state[j];
+ }
+ }
+#else
+ MEMCPY_BCOPY(d, context->s1.state, SHA1_DIGEST_LENGTH);
+#endif
+
+ /* Clean up: */
+ MEMSET_BZERO(context, sizeof(context));
+}
+
+char *SHA1_End(SHA_CTX* context, char buffer[]) {
+ sha_byte digest[SHA1_DIGEST_LENGTH], *d = digest;
+ int i;
+
+ /* Sanity check: */
+ assert(context != (SHA_CTX*)0);
+
+ if (buffer != (char*)0) {
+ SHA1_Final(digest, context);
+
+ for (i = 0; i < SHA1_DIGEST_LENGTH; i++) {
+ *buffer++ = sha_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha_hex_digits[*d & 0x0f];
+ d++;
+ }
+ *buffer = (char)0;
+ } else {
+ MEMSET_BZERO(context, sizeof(context));
+ }
+ MEMSET_BZERO(digest, SHA1_DIGEST_LENGTH);
+ return buffer;
+}
+
+char* SHA1_Data(const sha_byte* data, size_t len, char digest[SHA1_DIGEST_STRING_LENGTH]) {
+ SHA_CTX context;
+
+ SHA1_Init(&context);
+ SHA1_Update(&context, data, len);
+ return SHA1_End(&context, digest);
+}
+
+
+/*** SHA-256: *********************************************************/
+void SHA256_Internal_Init(SHA_CTX* context, const sha_word32* ihv) {
+ /* Sanity check: */
+ assert(context != (SHA_CTX*)0);
+
+ MEMCPY_BCOPY(context->s256.state, ihv, sizeof(sha_word32) * 8);
+ MEMSET_BZERO(context->s256.buffer, 64);
+ context->s256.bitcount = 0;
+}
+
+void SHA256_Init(SHA_CTX* context) {
+ SHA256_Internal_Init(context, sha256_initial_hash_value);
}
#ifdef SHA2_UNROLL_TRANSFORM
@@ -379,22 +838,22 @@ void SHA256_Init(SHA256_CTX* context) {
(h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
j++
-void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
- sha2_word32 a, b, c, d, e, f, g, h, s0, s1;
- sha2_word32 T1, *W256;
+void SHA256_Internal_Transform(SHA_CTX* context, const sha_word32* data) {
+ sha_word32 a, b, c, d, e, f, g, h, s0, s1;
+ sha_word32 T1, *W256;
int j;
- W256 = (sha2_word32*)context->buffer;
+ W256 = (sha_word32*)context->s256.buffer;
/* Initialize registers with the prev. intermediate value */
- a = context->state[0];
- b = context->state[1];
- c = context->state[2];
- d = context->state[3];
- e = context->state[4];
- f = context->state[5];
- g = context->state[6];
- h = context->state[7];
+ a = context->s256.state[0];
+ b = context->s256.state[1];
+ c = context->s256.state[2];
+ d = context->s256.state[3];
+ e = context->s256.state[4];
+ f = context->s256.state[5];
+ g = context->s256.state[6];
+ h = context->s256.state[7];
j = 0;
do {
@@ -422,14 +881,14 @@ void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
} while (j < 64);
/* Compute the current intermediate hash value */
- context->state[0] += a;
- context->state[1] += b;
- context->state[2] += c;
- context->state[3] += d;
- context->state[4] += e;
- context->state[5] += f;
- context->state[6] += g;
- context->state[7] += h;
+ context->s256.state[0] += a;
+ context->s256.state[1] += b;
+ context->s256.state[2] += c;
+ context->s256.state[3] += d;
+ context->s256.state[4] += e;
+ context->s256.state[5] += f;
+ context->s256.state[6] += g;
+ context->s256.state[7] += h;
/* Clean up */
a = b = c = d = e = f = g = h = T1 = 0;
@@ -437,22 +896,22 @@ void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
#else /* SHA2_UNROLL_TRANSFORM */
-void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
- sha2_word32 a, b, c, d, e, f, g, h, s0, s1;
- sha2_word32 T1, T2, *W256;
+void SHA256_Internal_Transform(SHA_CTX* context, const sha_word32* data) {
+ sha_word32 a, b, c, d, e, f, g, h, s0, s1;
+ sha_word32 T1, T2, *W256;
int j;
- W256 = (sha2_word32*)context->buffer;
+ W256 = (sha_word32*)context->s256.buffer;
/* Initialize registers with the prev. intermediate value */
- a = context->state[0];
- b = context->state[1];
- c = context->state[2];
- d = context->state[3];
- e = context->state[4];
- f = context->state[5];
- g = context->state[6];
- h = context->state[7];
+ a = context->s256.state[0];
+ b = context->s256.state[1];
+ c = context->s256.state[2];
+ d = context->s256.state[3];
+ e = context->s256.state[4];
+ f = context->s256.state[5];
+ g = context->s256.state[6];
+ h = context->s256.state[7];
j = 0;
do {
@@ -502,14 +961,14 @@ void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
} while (j < 64);
/* Compute the current intermediate hash value */
- context->state[0] += a;
- context->state[1] += b;
- context->state[2] += c;
- context->state[3] += d;
- context->state[4] += e;
- context->state[5] += f;
- context->state[6] += g;
- context->state[7] += h;
+ context->s256.state[0] += a;
+ context->s256.state[1] += b;
+ context->s256.state[2] += c;
+ context->s256.state[3] += d;
+ context->s256.state[4] += e;
+ context->s256.state[5] += f;
+ context->s256.state[6] += g;
+ context->s256.state[7] += h;
/* Clean up */
a = b = c = d = e = f = g = h = T1 = T2 = 0;
@@ -517,7 +976,7 @@ void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
#endif /* SHA2_UNROLL_TRANSFORM */
-void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
+void SHA256_Update(SHA_CTX* context, const sha_byte *data, size_t len) {
unsigned int freespace, usedspace;
if (len == 0) {
@@ -526,121 +985,128 @@ void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
}
/* Sanity check: */
- assert(context != (SHA256_CTX*)0 && data != (sha2_byte*)0);
+ assert(context != (SHA_CTX*)0 && data != (sha_byte*)0);
- usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
+ usedspace = (context->s256.bitcount >> 3) % 64;
if (usedspace > 0) {
/* Calculate how much free space is available in the buffer */
- freespace = SHA256_BLOCK_LENGTH - usedspace;
+ freespace = 64 - usedspace;
if (len >= freespace) {
/* Fill the buffer completely and process it */
- MEMCPY_BCOPY(&context->buffer[usedspace], data, freespace);
- context->bitcount += freespace << 3;
+ MEMCPY_BCOPY(&context->s256.buffer[usedspace], data, freespace);
+ context->s256.bitcount += freespace << 3;
len -= freespace;
data += freespace;
- SHA256_Transform(context, (sha2_word32*)context->buffer);
+ SHA256_Internal_Transform(context, (sha_word32*)context->s256.buffer);
} else {
/* The buffer is not yet full */
- MEMCPY_BCOPY(&context->buffer[usedspace], data, len);
- context->bitcount += len << 3;
+ MEMCPY_BCOPY(&context->s256.buffer[usedspace], data, len);
+ context->s256.bitcount += len << 3;
/* Clean up: */
usedspace = freespace = 0;
return;
}
}
- while (len >= SHA256_BLOCK_LENGTH) {
+ while (len >= 64) {
/* Process as many complete blocks as we can */
- SHA256_Transform(context, (sha2_word32*)data);
- context->bitcount += SHA256_BLOCK_LENGTH << 3;
- len -= SHA256_BLOCK_LENGTH;
- data += SHA256_BLOCK_LENGTH;
+ SHA256_Internal_Transform(context, (sha_word32*)data);
+ context->s256.bitcount += 512;
+ len -= 64;
+ data += 64;
}
if (len > 0) {
/* There's left-overs, so save 'em */
- MEMCPY_BCOPY(context->buffer, data, len);
- context->bitcount += len << 3;
+ MEMCPY_BCOPY(context->s256.buffer, data, len);
+ context->s256.bitcount += len << 3;
}
/* Clean up: */
usedspace = freespace = 0;
}
-void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
- sha2_word32 *d = (sha2_word32*)digest;
+void SHA256_Internal_Last(SHA_CTX* context) {
unsigned int usedspace;
- /* Sanity check: */
- assert(context != (SHA256_CTX*)0);
-
- /* If no digest buffer is passed, we don't bother doing this: */
- if (digest != (sha2_byte*)0) {
- usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
+ usedspace = (context->s256.bitcount >> 3) % 64;
#if BYTE_ORDER == LITTLE_ENDIAN
- /* Convert FROM host byte order */
- REVERSE64(context->bitcount,context->bitcount);
+ /* Convert FROM host byte order */
+ REVERSE64(context->s256.bitcount,context->s256.bitcount);
#endif
- if (usedspace > 0) {
- /* Begin padding with a 1 bit: */
- context->buffer[usedspace++] = 0x80;
-
- if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
- /* Set-up for the last transform: */
- MEMSET_BZERO(&context->buffer[usedspace], SHA256_SHORT_BLOCK_LENGTH - usedspace);
- } else {
- if (usedspace < SHA256_BLOCK_LENGTH) {
- MEMSET_BZERO(&context->buffer[usedspace], SHA256_BLOCK_LENGTH - usedspace);
- }
- /* Do second-to-last transform: */
- SHA256_Transform(context, (sha2_word32*)context->buffer);
-
- /* And set-up for the last transform: */
- MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
- }
- } else {
+ if (usedspace > 0) {
+ /* Begin padding with a 1 bit: */
+ context->s256.buffer[usedspace++] = 0x80;
+
+ if (usedspace <= 56) {
/* Set-up for the last transform: */
- MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
+ MEMSET_BZERO(&context->s256.buffer[usedspace], 56 - usedspace);
+ } else {
+ if (usedspace < 64) {
+ MEMSET_BZERO(&context->s256.buffer[usedspace], 64 - usedspace);
+ }
+ /* Do second-to-last transform: */
+ SHA256_Internal_Transform(context, (sha_word32*)context->s256.buffer);
- /* Begin padding with a 1 bit: */
- *context->buffer = 0x80;
+ /* And set-up for the last transform: */
+ MEMSET_BZERO(context->s256.buffer, 56);
}
- /* Set the bit count: */
- *(sha2_word64*)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
+ /* Clean up: */
+ usedspace = 0;
+ } else {
+ /* Set-up for the last transform: */
+ MEMSET_BZERO(context->s256.buffer, 56);
- /* Final transform: */
- SHA256_Transform(context, (sha2_word32*)context->buffer);
+ /* Begin padding with a 1 bit: */
+ *context->s256.buffer = 0x80;
+ }
+ /* Set the bit count: */
+ *(sha_word64*)&context->s256.buffer[56] = context->s256.bitcount;
+
+ /* Final transform: */
+ SHA256_Internal_Transform(context, (sha_word32*)context->s256.buffer);
+}
+
+void SHA256_Final(sha_byte digest[], SHA_CTX* context) {
+ sha_word32 *d = (sha_word32*)digest;
+
+ /* Sanity check: */
+ assert(context != (SHA_CTX*)0);
+ /* If no digest buffer is passed, we don't bother doing this: */
+ if (digest != (sha_byte*)0) {
+ SHA256_Internal_Last(context);
+
+ /* Save the hash data for output: */
#if BYTE_ORDER == LITTLE_ENDIAN
{
/* Convert TO host byte order */
int j;
- for (j = 0; j < 8; j++) {
- REVERSE32(context->state[j],context->state[j]);
- *d++ = context->state[j];
+ for (j = 0; j < (SHA256_DIGEST_LENGTH >> 2); j++) {
+ REVERSE32(context->s256.state[j],context->s256.state[j]);
+ *d++ = context->s256.state[j];
}
}
#else
- MEMCPY_BCOPY(d, context->state, SHA256_DIGEST_LENGTH);
+ MEMCPY_BCOPY(d, context->s256.state, SHA256_DIGEST_LENGTH);
#endif
}
/* Clean up state data: */
MEMSET_BZERO(context, sizeof(context));
- usedspace = 0;
}
-char *SHA256_End(SHA256_CTX* context, char buffer[]) {
- sha2_byte digest[SHA256_DIGEST_LENGTH], *d = digest;
+char *SHA256_End(SHA_CTX* context, char buffer[]) {
+ sha_byte digest[SHA256_DIGEST_LENGTH], *d = digest;
int i;
/* Sanity check: */
- assert(context != (SHA256_CTX*)0);
+ assert(context != (SHA_CTX*)0);
if (buffer != (char*)0) {
SHA256_Final(digest, context);
for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
- *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
- *buffer++ = sha2_hex_digits[*d & 0x0f];
+ *buffer++ = sha_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char)0;
@@ -651,8 +1117,8 @@ char *SHA256_End(SHA256_CTX* context, char buffer[]) {
return buffer;
}
-char* SHA256_Data(const sha2_byte* data, size_t len, char digest[SHA256_DIGEST_STRING_LENGTH]) {
- SHA256_CTX context;
+char* SHA256_Data(const sha_byte* data, size_t len, char digest[SHA256_DIGEST_STRING_LENGTH]) {
+ SHA_CTX context;
SHA256_Init(&context);
SHA256_Update(&context, data, len);
@@ -660,14 +1126,92 @@ char* SHA256_Data(const sha2_byte* data, size_t len, char digest[SHA256_DIGEST_S
}
-/*** SHA-512: *********************************************************/
-void SHA512_Init(SHA512_CTX* context) {
- if (context == (SHA512_CTX*)0) {
- return;
+/*** SHA-224: *********************************************************/
+void SHA224_Init(SHA_CTX* context) {
+ SHA256_Internal_Init(context, sha224_initial_hash_value);
+}
+
+void SHA224_Internal_Transform(SHA_CTX* context, const sha_word32* data) {
+ SHA256_Internal_Transform(context, data);
+}
+
+void SHA224_Update(SHA_CTX* context, const sha_byte *data, size_t len) {
+ SHA256_Update(context, data, len);
+}
+
+void SHA224_Final(sha_byte digest[], SHA_CTX* context) {
+ sha_word32 *d = (sha_word32*)digest;
+
+ /* Sanity check: */
+ assert(context != (SHA_CTX*)0);
+
+ /* If no digest buffer is passed, we don't bother doing this: */
+ if (digest != (sha_byte*)0) {
+ SHA256_Internal_Last(context);
+
+ /* Save the hash data for output: */
+#if BYTE_ORDER == LITTLE_ENDIAN
+ {
+ /* Convert TO host byte order */
+ int j;
+ for (j = 0; j < (SHA224_DIGEST_LENGTH >> 2); j++) {
+ REVERSE32(context->s256.state[j],context->s256.state[j]);
+ *d++ = context->s256.state[j];
+ }
+ }
+#else
+ MEMCPY_BCOPY(d, context->s256.state, SHA224_DIGEST_LENGTH);
+#endif
+ }
+
+ /* Clean up state data: */
+ MEMSET_BZERO(context, sizeof(context));
+}
+
+char *SHA224_End(SHA_CTX* context, char buffer[]) {
+ sha_byte digest[SHA224_DIGEST_LENGTH], *d = digest;
+ int i;
+
+ /* Sanity check: */
+ assert(context != (SHA_CTX*)0);
+
+ if (buffer != (char*)0) {
+ SHA224_Final(digest, context);
+
+ for (i = 0; i < SHA224_DIGEST_LENGTH; i++) {
+ *buffer++ = sha_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha_hex_digits[*d & 0x0f];
+ d++;
+ }
+ *buffer = (char)0;
+ } else {
+ MEMSET_BZERO(context, sizeof(context));
}
- MEMCPY_BCOPY(context->state, sha512_initial_hash_value, SHA512_DIGEST_LENGTH);
- MEMSET_BZERO(context->buffer, SHA512_BLOCK_LENGTH);
- context->bitcount[0] = context->bitcount[1] = 0;
+ MEMSET_BZERO(digest, SHA224_DIGEST_LENGTH);
+ return buffer;
+}
+
+char* SHA224_Data(const sha_byte* data, size_t len, char digest[SHA224_DIGEST_STRING_LENGTH]) {
+ SHA_CTX context;
+
+ SHA224_Init(&context);
+ SHA224_Update(&context, data, len);
+ return SHA224_End(&context, digest);
+}
+
+
+/*** SHA-512: *********************************************************/
+void SHA512_Internal_Init(SHA_CTX* context, const sha_word64* ihv) {
+ /* Sanity check: */
+ assert(context != (SHA_CTX*)0);
+
+ MEMCPY_BCOPY(context->s512.state, ihv, sizeof(sha_word64) * 8);
+ MEMSET_BZERO(context->s512.buffer, 128);
+ context->s512.bitcount[0] = context->s512.bitcount[1] = 0;
+}
+
+void SHA512_Init(SHA_CTX* context) {
+ SHA512_Internal_Init(context, sha512_initial_hash_value);
}
#ifdef SHA2_UNROLL_TRANSFORM
@@ -706,20 +1250,20 @@ void SHA512_Init(SHA512_CTX* context) {
(h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \
j++
-void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
- sha2_word64 a, b, c, d, e, f, g, h, s0, s1;
- sha2_word64 T1, *W512 = (sha2_word64*)context->buffer;
+void SHA512_Internal_Transform(SHA_CTX* context, const sha_word64* data) {
+ sha_word64 a, b, c, d, e, f, g, h, s0, s1;
+ sha_word64 T1, *W512 = (sha_word64*)context->s512.buffer;
int j;
/* Initialize registers with the prev. intermediate value */
- a = context->state[0];
- b = context->state[1];
- c = context->state[2];
- d = context->state[3];
- e = context->state[4];
- f = context->state[5];
- g = context->state[6];
- h = context->state[7];
+ a = context->s512.state[0];
+ b = context->s512.state[1];
+ c = context->s512.state[2];
+ d = context->s512.state[3];
+ e = context->s512.state[4];
+ f = context->s512.state[5];
+ g = context->s512.state[6];
+ h = context->s512.state[7];
j = 0;
do {
@@ -746,14 +1290,14 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
} while (j < 80);
/* Compute the current intermediate hash value */
- context->state[0] += a;
- context->state[1] += b;
- context->state[2] += c;
- context->state[3] += d;
- context->state[4] += e;
- context->state[5] += f;
- context->state[6] += g;
- context->state[7] += h;
+ context->s512.state[0] += a;
+ context->s512.state[1] += b;
+ context->s512.state[2] += c;
+ context->s512.state[3] += d;
+ context->s512.state[4] += e;
+ context->s512.state[5] += f;
+ context->s512.state[6] += g;
+ context->s512.state[7] += h;
/* Clean up */
a = b = c = d = e = f = g = h = T1 = 0;
@@ -761,20 +1305,20 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
#else /* SHA2_UNROLL_TRANSFORM */
-void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
- sha2_word64 a, b, c, d, e, f, g, h, s0, s1;
- sha2_word64 T1, T2, *W512 = (sha2_word64*)context->buffer;
+void SHA512_Internal_Transform(SHA_CTX* context, const sha_word64* data) {
+ sha_word64 a, b, c, d, e, f, g, h, s0, s1;
+ sha_word64 T1, T2, *W512 = (sha_word64*)context->s512.buffer;
int j;
/* Initialize registers with the prev. intermediate value */
- a = context->state[0];
- b = context->state[1];
- c = context->state[2];
- d = context->state[3];
- e = context->state[4];
- f = context->state[5];
- g = context->state[6];
- h = context->state[7];
+ a = context->s512.state[0];
+ b = context->s512.state[1];
+ c = context->s512.state[2];
+ d = context->s512.state[3];
+ e = context->s512.state[4];
+ f = context->s512.state[5];
+ g = context->s512.state[6];
+ h = context->s512.state[7];
j = 0;
do {
@@ -824,14 +1368,14 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
} while (j < 80);
/* Compute the current intermediate hash value */
- context->state[0] += a;
- context->state[1] += b;
- context->state[2] += c;
- context->state[3] += d;
- context->state[4] += e;
- context->state[5] += f;
- context->state[6] += g;
- context->state[7] += h;
+ context->s512.state[0] += a;
+ context->s512.state[1] += b;
+ context->s512.state[2] += c;
+ context->s512.state[3] += d;
+ context->s512.state[4] += e;
+ context->s512.state[5] += f;
+ context->s512.state[6] += g;
+ context->s512.state[7] += h;
/* Clean up */
a = b = c = d = e = f = g = h = T1 = T2 = 0;
@@ -839,7 +1383,7 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
#endif /* SHA2_UNROLL_TRANSFORM */
-void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) {
+void SHA512_Update(SHA_CTX* context, const sha_byte *data, size_t len) {
unsigned int freespace, usedspace;
if (len == 0) {
@@ -848,108 +1392,110 @@ void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) {
}
/* Sanity check: */
- assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0);
+ assert(context != (SHA_CTX*)0 && data != (sha_byte*)0);
- usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
+ usedspace = (context->s512.bitcount[0] >> 3) % 128;
if (usedspace > 0) {
/* Calculate how much free space is available in the buffer */
- freespace = SHA512_BLOCK_LENGTH - usedspace;
+ freespace = 128 - usedspace;
if (len >= freespace) {
/* Fill the buffer completely and process it */
- MEMCPY_BCOPY(&context->buffer[usedspace], data, freespace);
- ADDINC128(context->bitcount, freespace << 3);
+ MEMCPY_BCOPY(&context->s512.buffer[usedspace], data, freespace);
+ ADDINC128(context->s512.bitcount, freespace << 3);
len -= freespace;
data += freespace;
- SHA512_Transform(context, (sha2_word64*)context->buffer);
+ SHA512_Internal_Transform(context, (sha_word64*)context->s512.buffer);
} else {
/* The buffer is not yet full */
- MEMCPY_BCOPY(&context->buffer[usedspace], data, len);
- ADDINC128(context->bitcount, len << 3);
+ MEMCPY_BCOPY(&context->s512.buffer[usedspace], data, len);
+ ADDINC128(context->s512.bitcount, len << 3);
/* Clean up: */
usedspace = freespace = 0;
return;
}
}
- while (len >= SHA512_BLOCK_LENGTH) {
+ while (len >= 128) {
/* Process as many complete blocks as we can */
- SHA512_Transform(context, (sha2_word64*)data);
- ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
- len -= SHA512_BLOCK_LENGTH;
- data += SHA512_BLOCK_LENGTH;
+ SHA512_Internal_Transform(context, (sha_word64*)data);
+ ADDINC128(context->s512.bitcount, 1024);
+ len -= 128;
+ data += 128;
}
if (len > 0) {
/* There's left-overs, so save 'em */
- MEMCPY_BCOPY(context->buffer, data, len);
- ADDINC128(context->bitcount, len << 3);
+ MEMCPY_BCOPY(context->s512.buffer, data, len);
+ ADDINC128(context->s512.bitcount, len << 3);
}
/* Clean up: */
usedspace = freespace = 0;
}
-void SHA512_Last(SHA512_CTX* context) {
+void SHA512_Internal_Last(SHA_CTX* context) {
unsigned int usedspace;
- usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
+ usedspace = (context->s512.bitcount[0] >> 3) % 128;
#if BYTE_ORDER == LITTLE_ENDIAN
/* Convert FROM host byte order */
- REVERSE64(context->bitcount[0],context->bitcount[0]);
- REVERSE64(context->bitcount[1],context->bitcount[1]);
+ REVERSE64(context->s512.bitcount[0],context->s512.bitcount[0]);
+ REVERSE64(context->s512.bitcount[1],context->s512.bitcount[1]);
#endif
if (usedspace > 0) {
/* Begin padding with a 1 bit: */
- context->buffer[usedspace++] = 0x80;
+ context->s512.buffer[usedspace++] = 0x80;
- if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) {
+ if (usedspace <= 112) {
/* Set-up for the last transform: */
- MEMSET_BZERO(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace);
+ MEMSET_BZERO(&context->s512.buffer[usedspace], 112 - usedspace);
} else {
- if (usedspace < SHA512_BLOCK_LENGTH) {
- MEMSET_BZERO(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace);
+ if (usedspace < 128) {
+ MEMSET_BZERO(&context->s512.buffer[usedspace], 128 - usedspace);
}
/* Do second-to-last transform: */
- SHA512_Transform(context, (sha2_word64*)context->buffer);
+ SHA512_Internal_Transform(context, (sha_word64*)context->s512.buffer);
/* And set-up for the last transform: */
- MEMSET_BZERO(context->buffer, SHA512_BLOCK_LENGTH - 2);
+ MEMSET_BZERO(context->s512.buffer, 112);
}
+ /* Clean up: */
+ usedspace = 0;
} else {
/* Prepare for final transform: */
- MEMSET_BZERO(context->buffer, SHA512_SHORT_BLOCK_LENGTH);
+ MEMSET_BZERO(context->s512.buffer, 112);
/* Begin padding with a 1 bit: */
- *context->buffer = 0x80;
+ *context->s512.buffer = 0x80;
}
/* Store the length of input data (in bits): */
- *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1];
- *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0];
+ *(sha_word64*)&context->s512.buffer[112] = context->s512.bitcount[1];
+ *(sha_word64*)&context->s512.buffer[120] = context->s512.bitcount[0];
/* Final transform: */
- SHA512_Transform(context, (sha2_word64*)context->buffer);
+ SHA512_Internal_Transform(context, (sha_word64*)context->s512.buffer);
}
-void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) {
- sha2_word64 *d = (sha2_word64*)digest;
+void SHA512_Final(sha_byte digest[], SHA_CTX* context) {
+ sha_word64 *d = (sha_word64*)digest;
/* Sanity check: */
- assert(context != (SHA512_CTX*)0);
+ assert(context != (SHA_CTX*)0);
/* If no digest buffer is passed, we don't bother doing this: */
- if (digest != (sha2_byte*)0) {
- SHA512_Last(context);
+ if (digest != (sha_byte*)0) {
+ SHA512_Internal_Last(context);
/* Save the hash data for output: */
#if BYTE_ORDER == LITTLE_ENDIAN
{
/* Convert TO host byte order */
int j;
- for (j = 0; j < 8; j++) {
- REVERSE64(context->state[j],context->state[j]);
- *d++ = context->state[j];
+ for (j = 0; j < (SHA512_DIGEST_LENGTH >> 3); j++) {
+ REVERSE64(context->s512.state[j],context->s512.state[j]);
+ *d++ = context->s512.state[j];
}
}
#else
- MEMCPY_BCOPY(d, context->state, SHA512_DIGEST_LENGTH);
+ MEMCPY_BCOPY(d, context->s512.state, SHA512_DIGEST_LENGTH);
#endif
}
@@ -957,19 +1503,19 @@ void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) {
MEMSET_BZERO(context, sizeof(context));
}
-char *SHA512_End(SHA512_CTX* context, char buffer[]) {
- sha2_byte digest[SHA512_DIGEST_LENGTH], *d = digest;
+char *SHA512_End(SHA_CTX* context, char buffer[]) {
+ sha_byte digest[SHA512_DIGEST_LENGTH], *d = digest;
int i;
/* Sanity check: */
- assert(context != (SHA512_CTX*)0);
+ assert(context != (SHA_CTX*)0);
if (buffer != (char*)0) {
SHA512_Final(digest, context);
for (i = 0; i < SHA512_DIGEST_LENGTH; i++) {
- *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
- *buffer++ = sha2_hex_digits[*d & 0x0f];
+ *buffer++ = sha_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char)0;
@@ -980,8 +1526,8 @@ char *SHA512_End(SHA512_CTX* context, char buffer[]) {
return buffer;
}
-char* SHA512_Data(const sha2_byte* data, size_t len, char digest[SHA512_DIGEST_STRING_LENGTH]) {
- SHA512_CTX context;
+char* SHA512_Data(const sha_byte* data, size_t len, char digest[SHA512_DIGEST_STRING_LENGTH]) {
+ SHA_CTX context;
SHA512_Init(&context);
SHA512_Update(&context, data, len);
@@ -990,41 +1536,36 @@ char* SHA512_Data(const sha2_byte* data, size_t len, char digest[SHA512_DIGEST_S
/*** SHA-384: *********************************************************/
-void SHA384_Init(SHA384_CTX* context) {
- if (context == (SHA384_CTX*)0) {
- return;
- }
- MEMCPY_BCOPY(context->state, sha384_initial_hash_value, SHA512_DIGEST_LENGTH);
- MEMSET_BZERO(context->buffer, SHA384_BLOCK_LENGTH);
- context->bitcount[0] = context->bitcount[1] = 0;
+void SHA384_Init(SHA_CTX* context) {
+ SHA512_Internal_Init(context, sha384_initial_hash_value);
}
-void SHA384_Update(SHA384_CTX* context, const sha2_byte* data, size_t len) {
- SHA512_Update((SHA512_CTX*)context, data, len);
+void SHA384_Update(SHA_CTX* context, const sha_byte* data, size_t len) {
+ SHA512_Update(context, data, len);
}
-void SHA384_Final(sha2_byte digest[], SHA384_CTX* context) {
- sha2_word64 *d = (sha2_word64*)digest;
+void SHA384_Final(sha_byte digest[], SHA_CTX* context) {
+ sha_word64 *d = (sha_word64*)digest;
/* Sanity check: */
- assert(context != (SHA384_CTX*)0);
+ assert(context != (SHA_CTX*)0);
/* If no digest buffer is passed, we don't bother doing this: */
- if (digest != (sha2_byte*)0) {
- SHA512_Last((SHA512_CTX*)context);
+ if (digest != (sha_byte*)0) {
+ SHA512_Internal_Last(context);
/* Save the hash data for output: */
#if BYTE_ORDER == LITTLE_ENDIAN
{
/* Convert TO host byte order */
int j;
- for (j = 0; j < 6; j++) {
- REVERSE64(context->state[j],context->state[j]);
- *d++ = context->state[j];
+ for (j = 0; j < (SHA384_DIGEST_LENGTH >> 3); j++) {
+ REVERSE64(context->s512.state[j],context->s512.state[j]);
+ *d++ = context->s512.state[j];
}
}
#else
- MEMCPY_BCOPY(d, context->state, SHA384_DIGEST_LENGTH);
+ MEMCPY_BCOPY(d, context->s512.state, SHA384_DIGEST_LENGTH);
#endif
}
@@ -1032,19 +1573,19 @@ void SHA384_Final(sha2_byte digest[], SHA384_CTX* context) {
MEMSET_BZERO(context, sizeof(context));
}
-char *SHA384_End(SHA384_CTX* context, char buffer[]) {
- sha2_byte digest[SHA384_DIGEST_LENGTH], *d = digest;
+char *SHA384_End(SHA_CTX* context, char buffer[]) {
+ sha_byte digest[SHA384_DIGEST_LENGTH], *d = digest;
int i;
/* Sanity check: */
- assert(context != (SHA384_CTX*)0);
+ assert(context != (SHA_CTX*)0);
if (buffer != (char*)0) {
SHA384_Final(digest, context);
for (i = 0; i < SHA384_DIGEST_LENGTH; i++) {
- *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
- *buffer++ = sha2_hex_digits[*d & 0x0f];
+ *buffer++ = sha_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char)0;
@@ -1055,8 +1596,8 @@ char *SHA384_End(SHA384_CTX* context, char buffer[]) {
return buffer;
}
-char* SHA384_Data(const sha2_byte* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH]) {
- SHA384_CTX context;
+char* SHA384_Data(const sha_byte* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH]) {
+ SHA_CTX context;
SHA384_Init(&context);
SHA384_Update(&context, data, len);
diff --git a/Source/cm_sha2.h b/Source/cm_sha2.h
index 3a55b33..9459f75 100644
--- a/Source/cm_sha2.h
+++ b/Source/cm_sha2.h
@@ -1,8 +1,9 @@
/*
- * FILE: sha2.h
- * AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/
+ * FILE: sha2.h
+ * AUTHOR: Aaron D. Gifford
+ * http://www.aarongifford.com/computers/sha.html
*
- * Copyright (c) 2000-2001, Aaron D. Gifford
+ * Copyright (c) 2000-2003, Aaron D. Gifford
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -29,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
+ * $Id: sha2.h,v 1.4 2004/01/07 19:06:18 adg Exp $
*/
#ifndef __SHA2_H__
@@ -54,27 +55,30 @@ extern "C" {
#endif /* SHA2_USE_INTTYPES_H */
-/*** SHA-256/384/512 Various Length Definitions ***********************/
-#define SHA256_BLOCK_LENGTH 64
-#define SHA256_DIGEST_LENGTH 32
-#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
-#define SHA384_BLOCK_LENGTH 128
-#define SHA384_DIGEST_LENGTH 48
-#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
-#define SHA512_BLOCK_LENGTH 128
-#define SHA512_DIGEST_LENGTH 64
-#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
+/*** SHA-224/256/384/512 Various Length Definitions *******************/
+/* Digest lengths for SHA-1/224/256/384/512 */
+#define SHA1_DIGEST_LENGTH 20
+#define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1)
+#define SHA224_DIGEST_LENGTH 28
+#define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1)
+#define SHA256_DIGEST_LENGTH 32
+#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
+#define SHA384_DIGEST_LENGTH 48
+#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
+#define SHA512_DIGEST_LENGTH 64
+#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
-/*** SHA-256/384/512 Context Structures *******************************/
+
+/*** SHA-224/256/384/512 Context Structures ***************************/
/* NOTE: If your architecture does not define either u_intXX_t types or
* uintXX_t (from inttypes.h), you may need to define things by hand
* for your system:
*/
#if 0
-typedef unsigned char u_int8_t; /* 1-byte (8-bits) */
-typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */
-typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
+typedef unsigned char u_int8_t; /* 1-byte (8-bits) */
+typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */
+typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
#endif
/*
* Most BSD systems already define u_intXX_t types, as does Linux.
@@ -94,81 +98,139 @@ typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
*/
#ifdef SHA2_USE_INTTYPES_H
-typedef struct _SHA256_CTX {
- uint32_t state[8];
- uint64_t bitcount;
- uint8_t buffer[SHA256_BLOCK_LENGTH];
-} SHA256_CTX;
-typedef struct _SHA512_CTX {
- uint64_t state[8];
- uint64_t bitcount[2];
- uint8_t buffer[SHA512_BLOCK_LENGTH];
-} SHA512_CTX;
+typedef union _SHA_CTX {
+ /* SHA-1 uses this part of the union: */
+ struct {
+ uint32_t state[5];
+ uint64_t bitcount;
+ uint8_t buffer[64];
+ } s1;
+
+ /* SHA-224 and SHA-256 use this part of the union: */
+ struct {
+ uint32_t state[8];
+ uint64_t bitcount;
+ uint8_t buffer[64];
+ } s256;
+
+ /* SHA-384 and SHA-512 use this part of the union: */
+ struct {
+ uint64_t state[8];
+ uint64_t bitcount[2];
+ uint8_t buffer[128];
+ } s512;
+} SHA_CTX;
#else /* SHA2_USE_INTTYPES_H */
-typedef struct _SHA256_CTX {
- u_int32_t state[8];
- u_int64_t bitcount;
- u_int8_t buffer[SHA256_BLOCK_LENGTH];
-} SHA256_CTX;
-typedef struct _SHA512_CTX {
- u_int64_t state[8];
- u_int64_t bitcount[2];
- u_int8_t buffer[SHA512_BLOCK_LENGTH];
-} SHA512_CTX;
+typedef union _SHA_CTX {
+ /* SHA-1 uses this part of the union: */
+ struct {
+ u_int32_t state[5];
+ u_int64_t bitcount;
+ u_int8_t buffer[64];
+ } s1;
+
+ /* SHA-224 and SHA-256 use this part of the union: */
+ struct {
+ u_int32_t state[8];
+ u_int64_t bitcount;
+ u_int8_t buffer[64];
+ } s256;
+
+ /* SHA-384 and SHA-512 use this part of the union: */
+ struct {
+ u_int64_t state[8];
+ u_int64_t bitcount[2];
+ u_int8_t buffer[128];
+ } s512;
+} SHA_CTX;
#endif /* SHA2_USE_INTTYPES_H */
-typedef SHA512_CTX SHA384_CTX;
-
/*** SHA-256/384/512 Function Prototypes ******************************/
#ifndef NOPROTO
#ifdef SHA2_USE_INTTYPES_H
-void SHA256_Init(SHA256_CTX *);
-void SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
-void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
-char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
+void SHA1_Init(SHA_CTX*);
+void SHA1_Update(SHA_CTX*, const uint8_t*, size_t);
+void SHA1_Final(uint8_t[SHA1_DIGEST_LENGTH], SHA_CTX*);
+char* SHA1_End(SHA_CTX*, char[SHA1_DIGEST_STRING_LENGTH]);
+char* SHA1_Data(const uint8_t*, size_t, char[SHA1_DIGEST_STRING_LENGTH]);
+
+void SHA224_Init(SHA_CTX*);
+void SHA224_Update(SHA_CTX*, const uint8_t*, size_t);
+void SHA224_Final(uint8_t[SHA224_DIGEST_LENGTH], SHA_CTX*);
+char* SHA224_End(SHA_CTX*, char[SHA224_DIGEST_STRING_LENGTH]);
+char* SHA224_Data(const uint8_t*, size_t, char[SHA224_DIGEST_STRING_LENGTH]);
+
+void SHA256_Init(SHA_CTX*);
+void SHA256_Update(SHA_CTX*, const uint8_t*, size_t);
+void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA_CTX*);
+char* SHA256_End(SHA_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
char* SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
-void SHA384_Init(SHA384_CTX*);
-void SHA384_Update(SHA384_CTX*, const uint8_t*, size_t);
-void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
-char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
+void SHA384_Init(SHA_CTX*);
+void SHA384_Update(SHA_CTX*, const uint8_t*, size_t);
+void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA_CTX*);
+char* SHA384_End(SHA_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
char* SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
-void SHA512_Init(SHA512_CTX*);
-void SHA512_Update(SHA512_CTX*, const uint8_t*, size_t);
-void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
-char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
+void SHA512_Init(SHA_CTX*);
+void SHA512_Update(SHA_CTX*, const uint8_t*, size_t);
+void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA_CTX*);
+char* SHA512_End(SHA_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
char* SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
#else /* SHA2_USE_INTTYPES_H */
-void SHA256_Init(SHA256_CTX *);
-void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t);
-void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
-char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
+void SHA1_Init(SHA_CTX*);
+void SHA1_Update(SHA_CTX*, const u_int8_t*, size_t);
+void SHA1_Final(u_int8_t[SHA1_DIGEST_LENGTH], SHA_CTX*);
+char* SHA1_End(SHA_CTX*, char[SHA1_DIGEST_STRING_LENGTH]);
+char* SHA1_Data(const u_int8_t*, size_t, char[SHA1_DIGEST_STRING_LENGTH]);
+
+void SHA224_Init(SHA_CTX*);
+void SHA224_Update(SHA_CTX*, const u_int8_t*, size_t);
+void SHA224_Final(u_int8_t[SHA224_DIGEST_LENGTH], SHA_CTX*);
+char* SHA224_End(SHA_CTX*, char[SHA224_DIGEST_STRING_LENGTH]);
+char* SHA224_Data(const u_int8_t*, size_t, char[SHA224_DIGEST_STRING_LENGTH]);
+
+void SHA256_Init(SHA_CTX*);
+void SHA256_Update(SHA_CTX*, const u_int8_t*, size_t);
+void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA_CTX*);
+char* SHA256_End(SHA_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
-void SHA384_Init(SHA384_CTX*);
-void SHA384_Update(SHA384_CTX*, const u_int8_t*, size_t);
-void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
-char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
+void SHA384_Init(SHA_CTX*);
+void SHA384_Update(SHA_CTX*, const u_int8_t*, size_t);
+void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA_CTX*);
+char* SHA384_End(SHA_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
-void SHA512_Init(SHA512_CTX*);
-void SHA512_Update(SHA512_CTX*, const u_int8_t*, size_t);
-void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
-char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
+void SHA512_Init(SHA_CTX*);
+void SHA512_Update(SHA_CTX*, const u_int8_t*, size_t);
+void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA_CTX*);
+char* SHA512_End(SHA_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
#endif /* SHA2_USE_INTTYPES_H */
#else /* NOPROTO */
+void SHA1_Init();
+void SHA1_Update();
+void SHA1_Final();
+char* SHA1_End();
+char* SHA1_Data();
+
+void SHA224_Init();
+void SHA224_Update();
+void SHA224_Final();
+char* SHA224_End();
+char* SHA224_Data();
+
void SHA256_Init();
void SHA256_Update();
void SHA256_Final();
@@ -189,7 +251,7 @@ char* SHA512_Data();
#endif /* NOPROTO */
-#ifdef __cplusplus
+#ifdef __cplusplus
}
#endif /* __cplusplus */