-/* $FreeBSD: src/sys/crypto/sha2/sha2.c,v 1.2.2.2 2002/03/05 08:36:47 ume Exp $ */
-/* $KAME: sha2.c,v 1.8 2001/11/08 01:07:52 itojun Exp $ */
+/* $NetBSD: sha2.c,v 1.7 2007/07/18 14:09:55 joerg Exp $ */
+/* $KAME: sha2.c,v 1.9 2003/07/20 00:28:38 itojun Exp $ */
/*
* sha2.c
* SUCH DAMAGE.
*
*/
-
#include <sys/types.h>
/* #include <sys/time.h> */
/* #include <sys/systm.h> */
/* #include <machine/endian.h> */
+#include <stdint.h>
#include <minix/sha2.h>
+#include <assert.h>
/*
* ASSERT NOTE:
*
*/
-#if defined(__bsdi__) || defined(__FreeBSD__)
-#define assert(x)
-#endif
-
/*** SHA-256/384/512 Machine Architecture Definitions *****************/
/*
* SHA2_BYTE_ORDER NOTE:
#error Define SHA2_BYTE_ORDER to be equal to either SHA2_LITTLE_ENDIAN or SHA2_BIG_ENDIAN
#endif
-/*
- * Define the followingsha2_* 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
- * during compile or in the sha.h header file.
- *
- * Machines that support neither u_intXX_t nor inttypes.h's uintXX_t
- * will need to define these three typedefs below (and the appropriate
- * ones in sha.h too) by hand according to their system architecture.
- *
- * Thank you, Jun-ichiro itojun Hagino, for suggesting using u_intXX_t
- * types and pointing out recent ANSI C support for uintXX_t in inttypes.h.
- */
#if 0 /*def SHA2_USE_INTTYPES_H*/
typedef uint8_t sha2_byte; /* Exactly 1 byte */
#define REVERSE32(w,x) { \
sha2_word32 tmp = (w); \
tmp = (tmp >> 16) | (tmp << 16); \
- (x) = ((tmp & 0xff00ff00UL) >> 8) | ((tmp & 0x00ff00ffUL) << 8); \
+ (x) = (sha2_word32)(((tmp & 0xff00ff00UL) >> 8) | ((tmp & 0x00ff00ffUL) << 8)); \
}
#define REVERSE64(w,x) { \
sha2_word64 tmp = (w); \
tmp = (tmp >> 32) | (tmp << 32); \
- tmp = ((tmp & 0xff00ff00ff00ff00ULL) >> 8) | \
- ((tmp & 0x00ff00ff00ff00ffULL) << 8); \
- (x) = ((tmp & 0xffff0000ffff0000ULL) >> 16) | \
- ((tmp & 0x0000ffff0000ffffULL) << 16); \
+ tmp = (sha2_word64)(((tmp & 0xff00ff00ff00ff00ULL) >> 8) | \
+ ((tmp & 0x00ff00ff00ff00ffULL) << 8)); \
+ (x) = (sha2_word64)(((tmp & 0xffff0000ffff0000ULL) >> 16) | \
+ ((tmp & 0x0000ffff0000ffffULL) << 16)); \
}
#if MINIX_64BIT
#undef REVERSE64
#define REVERSE64(w,x) { \
+ sha2_word64 tmp64 = (w); \
u32_t hi, lo; \
- REVERSE32(ex64hi((w)), lo); \
- REVERSE32(ex64lo((w)), hi); \
+ REVERSE32(ex64hi(tmp64), lo); \
+ REVERSE32(ex64lo(tmp64), hi); \
(x) = make64(lo, hi); \
}
#endif /* MINIX_64BIT */
* 64-bit words):
*/
#define ADDINC128(w,n) { \
- (w)[0] += (sha2_word64)(n); \
- if ((w)[0] < (n)) { \
- (w)[1]++; \
+ (w)[0] = add64u((w)[0], (n)); \
+ if (cmp64u((w)[0], (n)) < 0) { \
+ (w)[1] = add64u((w)[1], 1); \
} \
}
/* 32-bit Rotate-right (used in SHA-256): */
#define S32(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 S64(b,x) (rrotate64((x), (b)))
+#define R64(b, x) (rshift64(x, b))
/* Two of six logical functions used in 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)))
+#define Ch64(x,y,z) (xor64(and64((x), (y)), and64(not64((x)), (z))))
+#define Maj64(x,y,z) (xor64(xor64(and64((x), (y)), and64((x), (z))), and64((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 sigma1_256(x) (S32(17, (x)) ^ S32(19, (x)) ^ R(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) (xor64(xor64(S64(28, (x)), S64(34, (x))), S64(39, (x))))
+#define Sigma1_512(x) (xor64(xor64(S64(14, (x)), S64(18, (x))), S64(41, (x))))
+#define sigma0_512(x) (xor64(xor64(S64( 1, (x)), S64( 8, (x))), R64( 7, (x))))
+#define sigma1_512(x) (xor64(xor64(S64(19, (x)), S64(61, (x))), R64( 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*);
+static void SHA512_Last(SHA512_CTX*);
void SHA256_Transform(SHA256_CTX*, const sha2_word32*);
+void SHA384_Transform(SHA384_CTX*, const sha2_word64*);
void SHA512_Transform(SHA512_CTX*, const sha2_word64*);
+
/*** SHA-XYZ INITIAL HASH VALUES AND CONSTANTS ************************/
/* Hash constant words K for SHA-256: */
-const static sha2_word32 K256[64] = {
+static const sha2_word32 K256[64] = {
0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL,
0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL,
0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL,
};
/* Initial hash value H for SHA-256: */
-const static sha2_word32 sha256_initial_hash_value[8] = {
+static const sha2_word32 sha256_initial_hash_value[8] = {
0x6a09e667UL,
0xbb67ae85UL,
0x3c6ef372UL,
0x5be0cd19UL
};
-#if !NO_64BIT
/* Hash constant words K for SHA-384 and SHA-512: */
const static sha2_word64 K512[80] = {
- 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL,
- 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL,
- 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
- 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL,
- 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL,
- 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL,
- 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL,
- 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL,
- 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL,
- 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL,
- 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL,
- 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL,
- 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL,
- 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL,
- 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL,
- 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL,
- 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL,
- 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL,
- 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL,
- 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL,
- 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL,
- 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL,
- 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL,
- 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL,
- 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL,
- 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL,
- 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL,
- 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL,
- 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL,
- 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL,
- 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL,
- 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL,
- 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL,
- 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL,
- 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL,
- 0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
- 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL,
- 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL,
- 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL,
- 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL
+ {0xd728ae22UL, 0x428a2f98UL}, {0x23ef65cdUL, 0x71374491UL},
+ {0xec4d3b2fUL, 0xb5c0fbcfUL}, {0x8189dbbcUL, 0xe9b5dba5UL},
+ {0xf348b538UL, 0x3956c25bUL}, {0xb605d019UL, 0x59f111f1UL},
+ {0xaf194f9bUL, 0x923f82a4UL}, {0xda6d8118UL, 0xab1c5ed5UL},
+ {0xa3030242UL, 0xd807aa98UL}, {0x45706fbeUL, 0x12835b01UL},
+ {0x4ee4b28cUL, 0x243185beUL}, {0xd5ffb4e2UL, 0x550c7dc3UL},
+ {0xf27b896fUL, 0x72be5d74UL}, {0x3b1696b1UL, 0x80deb1feUL},
+ {0x25c71235UL, 0x9bdc06a7UL}, {0xcf692694UL, 0xc19bf174UL},
+ {0x9ef14ad2UL, 0xe49b69c1UL}, {0x384f25e3UL, 0xefbe4786UL},
+ {0x8b8cd5b5UL, 0x0fc19dc6UL}, {0x77ac9c65UL, 0x240ca1ccUL},
+ {0x592b0275UL, 0x2de92c6fUL}, {0x6ea6e483UL, 0x4a7484aaUL},
+ {0xbd41fbd4UL, 0x5cb0a9dcUL}, {0x831153b5UL, 0x76f988daUL},
+ {0xee66dfabUL, 0x983e5152UL}, {0x2db43210UL, 0xa831c66dUL},
+ {0x98fb213fUL, 0xb00327c8UL}, {0xbeef0ee4UL, 0xbf597fc7UL},
+ {0x3da88fc2UL, 0xc6e00bf3UL}, {0x930aa725UL, 0xd5a79147UL},
+ {0xe003826fUL, 0x06ca6351UL}, {0x0a0e6e70UL, 0x14292967UL},
+ {0x46d22ffcUL, 0x27b70a85UL}, {0x5c26c926UL, 0x2e1b2138UL},
+ {0x5ac42aedUL, 0x4d2c6dfcUL}, {0x9d95b3dfUL, 0x53380d13UL},
+ {0x8baf63deUL, 0x650a7354UL}, {0x3c77b2a8UL, 0x766a0abbUL},
+ {0x47edaee6UL, 0x81c2c92eUL}, {0x1482353bUL, 0x92722c85UL},
+ {0x4cf10364UL, 0xa2bfe8a1UL}, {0xbc423001UL, 0xa81a664bUL},
+ {0xd0f89791UL, 0xc24b8b70UL}, {0x0654be30UL, 0xc76c51a3UL},
+ {0xd6ef5218UL, 0xd192e819UL}, {0x5565a910UL, 0xd6990624UL},
+ {0x5771202aUL, 0xf40e3585UL}, {0x32bbd1b8UL, 0x106aa070UL},
+ {0xb8d2d0c8UL, 0x19a4c116UL}, {0x5141ab53UL, 0x1e376c08UL},
+ {0xdf8eeb99UL, 0x2748774cUL}, {0xe19b48a8UL, 0x34b0bcb5UL},
+ {0xc5c95a63UL, 0x391c0cb3UL}, {0xe3418acbUL, 0x4ed8aa4aUL},
+ {0x7763e373UL, 0x5b9cca4fUL}, {0xd6b2b8a3UL, 0x682e6ff3UL},
+ {0x5defb2fcUL, 0x748f82eeUL}, {0x43172f60UL, 0x78a5636fUL},
+ {0xa1f0ab72UL, 0x84c87814UL}, {0x1a6439ecUL, 0x8cc70208UL},
+ {0x23631e28UL, 0x90befffaUL}, {0xde82bde9UL, 0xa4506cebUL},
+ {0xb2c67915UL, 0xbef9a3f7UL}, {0xe372532bUL, 0xc67178f2UL},
+ {0xea26619cUL, 0xca273eceUL}, {0x21c0c207UL, 0xd186b8c7UL},
+ {0xcde0eb1eUL, 0xeada7dd6UL}, {0xee6ed178UL, 0xf57d4f7fUL},
+ {0x72176fbaUL, 0x06f067aaUL}, {0xa2c898a6UL, 0x0a637dc5UL},
+ {0xbef90daeUL, 0x113f9804UL}, {0x131c471bUL, 0x1b710b35UL},
+ {0x23047d84UL, 0x28db77f5UL}, {0x40c72493UL, 0x32caab7bUL},
+ {0x15c9bebcUL, 0x3c9ebe0aUL}, {0x9c100d4cUL, 0x431d67c4UL},
+ {0xcb3e42b6UL, 0x4cc5d4beUL}, {0xfc657e2aUL, 0x597f299cUL},
+ {0x3ad6faecUL, 0x5fcb6fabUL}, {0x4a475817UL, 0x6c44198cUL}
};
/* Initial hash value H for SHA-384 */
const static sha2_word64 sha384_initial_hash_value[8] = {
- 0xcbbb9d5dc1059ed8ULL,
- 0x629a292a367cd507ULL,
- 0x9159015a3070dd17ULL,
- 0x152fecd8f70e5939ULL,
- 0x67332667ffc00b31ULL,
- 0x8eb44a8768581511ULL,
- 0xdb0c2e0d64f98fa7ULL,
- 0x47b5481dbefa4fa4ULL
+ {0xc1059ed8UL, 0xcbbb9d5dUL},
+ {0x367cd507UL, 0x629a292aUL},
+ {0x3070dd17UL, 0x9159015aUL},
+ {0xf70e5939UL, 0x152fecd8UL},
+ {0xffc00b31UL, 0x67332667UL},
+ {0x68581511UL, 0x8eb44a87UL},
+ {0x64f98fa7UL, 0xdb0c2e0dUL},
+ {0xbefa4fa4UL, 0x47b5481dUL}
};
-/* Initial hash value H for SHA-512 */
const static sha2_word64 sha512_initial_hash_value[8] = {
- 0x6a09e667f3bcc908ULL,
- 0xbb67ae8584caa73bULL,
- 0x3c6ef372fe94f82bULL,
- 0xa54ff53a5f1d36f1ULL,
- 0x510e527fade682d1ULL,
- 0x9b05688c2b3e6c1fULL,
- 0x1f83d9abfb41bd6bULL,
- 0x5be0cd19137e2179ULL
+ {0xf3bcc908UL, 0x6a09e667UL},
+ {0x84caa73bUL, 0xbb67ae85UL},
+ {0xfe94f82bUL, 0x3c6ef372UL},
+ {0x5f1d36f1UL, 0xa54ff53aUL},
+ {0xade682d1UL, 0x510e527fUL},
+ {0x2b3e6c1fUL, 0x9b05688cUL},
+ {0xfb41bd6bUL, 0x1f83d9abUL},
+ {0x137e2179UL, 0x5be0cd19UL}
};
-#endif /* !NO_64BIT */
-
-/*
- * Constant used by SHA256/384/512_End() functions for converting the
- * digest to a readable hexadecimal character string:
- */
-static const char *sha2_hex_digits = "0123456789abcdef";
/*** SHA-256: *********************************************************/
void SHA256_Init(SHA256_CTX* context) {
if (context == (SHA256_CTX*)0) {
return;
}
- bcopy(sha256_initial_hash_value, context->state, SHA256_DIGEST_LENGTH);
- bzero(context->buffer, SHA256_BLOCK_LENGTH);
-#if MINIX_64BIT
- context->bitcount= cvu64(0);
-#else /* !MINIX_64BIT */
- context->bitcount = 0;
-#endif /* MINIX_64BIT */
+ memcpy(context->state, sha256_initial_hash_value, (size_t)(SHA256_DIGEST_LENGTH));
+ memset(context->buffer, 0, (size_t)(SHA256_BLOCK_LENGTH));
+ context->bitcount = cvu64(0);
}
#ifdef SHA2_UNROLL_TRANSFORM
(h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
j++
+
#else /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */
#define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \
sha2_word32 T1, T2, *W256;
int j;
- W256 = (sha2_word32*)context->buffer;
+ W256 = (sha2_word32*)(void *)context->buffer;
/* Initialize registers with the prev. intermediate value */
a = context->state[0];
if (len >= freespace) {
/* Fill the buffer completely and process it */
- bcopy(data, &context->buffer[usedspace], freespace);
+ memcpy(&context->buffer[usedspace], data, (size_t)(freespace));
#if MINIX_64BIT
context->bitcount= add64u(context->bitcount,
freespace << 3);
#endif /* MINIX_64BIT */
len -= freespace;
data += freespace;
- SHA256_Transform(context, (sha2_word32*)context->buffer);
+ SHA256_Transform(context, (sha2_word32*)(void *)context->buffer);
} else {
/* The buffer is not yet full */
- bcopy(data, &context->buffer[usedspace], len);
+ memcpy(&context->buffer[usedspace], data, len);
#if MINIX_64BIT
context->bitcount= add64u(context->bitcount, len << 3);
#else /* !MINIX_64BIT */
return;
}
}
- while (len >= SHA256_BLOCK_LENGTH) {
- /* Process as many complete blocks as we can */
- SHA256_Transform(context, (const sha2_word32*)data);
+ /*
+ * Process as many complete blocks as possible.
+ *
+ * Check alignment of the data pointer. If it is 32bit aligned,
+ * SHA256_Transform can be called directly on the data stream,
+ * otherwise enforce the alignment by copy into the buffer.
+ */
+ if ((uintptr_t)data % 4 == 0) {
+ while (len >= SHA256_BLOCK_LENGTH) {
+ SHA256_Transform(context,
+ (const sha2_word32 *)(const void *)data);
#if MINIX_64BIT
- context->bitcount= add64u(context->bitcount,
- SHA256_BLOCK_LENGTH << 3);
+ context->bitcount= add64u(context->bitcount,
+ SHA256_BLOCK_LENGTH << 3);
+#else /* !MINIX_64BIT */
+ context->bitcount += SHA256_BLOCK_LENGTH << 3;
+#endif /* !MINIX_64BIT */
+ len -= SHA256_BLOCK_LENGTH;
+ data += SHA256_BLOCK_LENGTH;
+ }
+ } else {
+ while (len >= SHA256_BLOCK_LENGTH) {
+ memcpy(context->buffer, data, SHA256_BLOCK_LENGTH);
+ SHA256_Transform(context,
+ (const sha2_word32 *)(const void *)context->buffer);
+#if MINIX_64BIT
+ context->bitcount= add64u(context->bitcount,
+ SHA256_BLOCK_LENGTH << 3);
#else /* !MINIX_64BIT */
- context->bitcount += SHA256_BLOCK_LENGTH << 3;
+ context->bitcount += SHA256_BLOCK_LENGTH << 3;
#endif /* MINIX_64BIT */
- len -= SHA256_BLOCK_LENGTH;
- data += SHA256_BLOCK_LENGTH;
+ len -= SHA256_BLOCK_LENGTH;
+ data += SHA256_BLOCK_LENGTH;
+ }
}
if (len > 0) {
/* There's left-overs, so save 'em */
- bcopy(data, context->buffer, len);
+ memcpy(context->buffer, data, len);
#if MINIX_64BIT
context->bitcount= add64u(context->bitcount, len << 3);
#else /* !MINIX_64BIT */
}
void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
- sha2_word32 *d = (sha2_word32*)digest;
+ sha2_word32 *d = (void *)digest;
unsigned int usedspace;
/* Sanity check: */
#else /* !MINIX_64BIT */
usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
#endif /* MINIX_64BIT */
+
#if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN
/* Convert FROM host byte order */
REVERSE64(context->bitcount,context->bitcount);
if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
/* Set-up for the last transform: */
- bzero(&context->buffer[usedspace], SHA256_SHORT_BLOCK_LENGTH - usedspace);
+ memset(&context->buffer[usedspace], 0, (size_t)(SHA256_SHORT_BLOCK_LENGTH - usedspace));
} else {
if (usedspace < SHA256_BLOCK_LENGTH) {
- bzero(&context->buffer[usedspace], SHA256_BLOCK_LENGTH - usedspace);
+ memset(&context->buffer[usedspace], 0, (size_t)(SHA256_BLOCK_LENGTH - usedspace));
}
/* Do second-to-last transform: */
- SHA256_Transform(context, (sha2_word32*)context->buffer);
+ SHA256_Transform(context, (sha2_word32*)(void *)context->buffer);
/* And set-up for the last transform: */
- bzero(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
+ memset(context->buffer, 0, (size_t)(SHA256_SHORT_BLOCK_LENGTH));
}
} else {
/* Set-up for the last transform: */
- bzero(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
+ memset(context->buffer, 0, (size_t)(SHA256_SHORT_BLOCK_LENGTH));
/* Begin padding with a 1 bit: */
*context->buffer = 0x80;
}
/* Set the bit count: */
- *(sha2_word64*)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
+ *(sha2_word64*)(void *)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
/* Final transform: */
- SHA256_Transform(context, (sha2_word32*)context->buffer);
+ SHA256_Transform(context, (sha2_word32*)(void *)context->buffer);
#if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN
{
}
}
#else
- bcopy(context->state, d, SHA256_DIGEST_LENGTH);
+ memcpy(d, context->state, SHA256_DIGEST_LENGTH);
#endif
}
/* Clean up state data: */
- bzero(context, sizeof(context));
+ memset(context, 0, sizeof(*context));
usedspace = 0;
}
-char *SHA256_End(SHA256_CTX* context, char buffer[]) {
- sha2_byte digest[SHA256_DIGEST_LENGTH], *d = digest;
- int i;
-
- /* Sanity check: */
- assert(context != (SHA256_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];
- d++;
- }
- *buffer = (char)0;
- } else {
- bzero(context, sizeof(context));
- }
- bzero(digest, SHA256_DIGEST_LENGTH);
- return buffer;
-}
-
-char* SHA256_Data(const sha2_byte* data, size_t len, char digest[SHA256_DIGEST_STRING_LENGTH]) {
- SHA256_CTX context;
-
- SHA256_Init(&context);
- SHA256_Update(&context, data, len);
- return SHA256_End(&context, digest);
-}
-
-#if !NO_64BIT
-
/*** SHA-512: *********************************************************/
void SHA512_Init(SHA512_CTX* context) {
if (context == (SHA512_CTX*)0) {
return;
}
- bcopy(sha512_initial_hash_value, context->state, SHA512_DIGEST_LENGTH);
- bzero(context->buffer, SHA512_BLOCK_LENGTH);
- context->bitcount[0] = context->bitcount[1] = 0;
+ memcpy(context->state, sha512_initial_hash_value, (size_t)(SHA512_DIGEST_LENGTH));
+ memset(context->buffer, 0, (size_t)(SHA512_BLOCK_LENGTH));
+ make_zero64(context->bitcount[0]);
+ make_zero64(context->bitcount[1]);
}
#ifdef SHA2_UNROLL_TRANSFORM
(h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)), \
j++
+
#else /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */
#define ROUND512_0_TO_15(a,b,c,d,e,f,g,h) \
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;
+ sha2_word64 T1, T2, *W512 = (void *)context->buffer;
int j;
/* Initialize registers with the prev. intermediate value */
#if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN
/* Convert TO host byte order */
REVERSE64(*data++, W512[j]);
- /* Apply the SHA-512 compression function to update a..h */
- T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + W512[j];
#else /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */
- /* Apply the SHA-512 compression function to update a..h with copy */
- T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + (W512[j] = *data++);
+ W512[j] = *data++;
#endif /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */
- T2 = Sigma0_512(a) + Maj(a, b, c);
+ /* Apply the SHA-512 compression function to update a..h */
+ T1 = add64(add64(add64(add64(h, Sigma1_512(e)), Ch64(e, f, g)), K512[j]), W512[j]);
+ T2 = add64(Sigma0_512(a), Maj64(a, b, c));
+
h = g;
g = f;
f = e;
- e = d + T1;
+ e = add64(d, T1);
d = c;
c = b;
b = a;
- a = T1 + T2;
+ a = add64(T1, T2);
j++;
} while (j < 16);
s1 = sigma1_512(s1);
/* Apply the SHA-512 compression function to update a..h */
- T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] +
- (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0);
- T2 = Sigma0_512(a) + Maj(a, b, c);
+ W512[j&0x0f] = add64(add64(add64(W512[j&0x0f], s1), W512[(j+9)&0x0f]), s0);
+ T1 = add64(add64(add64(add64(h, Sigma1_512(e)), Ch64(e, f, g)), K512[j]), W512[j&0x0f]);
+ T2 = add64(Sigma0_512(a), Maj64(a, b, c));
h = g;
g = f;
f = e;
- e = d + T1;
+ e = add64(d, T1);
d = c;
c = b;
b = a;
- a = T1 + T2;
+ a = add64(T1, T2);
j++;
} 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->state[0] = add64(context->state[0], a);
+ context->state[1] = add64(context->state[1], b);
+ context->state[2] = add64(context->state[2], c);
+ context->state[3] = add64(context->state[3], d);
+ context->state[4] = add64(context->state[4], e);
+ context->state[5] = add64(context->state[5], f);
+ context->state[6] = add64(context->state[6], g);
+ context->state[7] = add64(context->state[7], h);
/* Clean up */
- a = b = c = d = e = f = g = h = T1 = T2 = 0;
+ a = b = c = d = e = f = g = h = T1 = T2 = cvu64(0);
}
#endif /* SHA2_UNROLL_TRANSFORM */
/* Sanity check: */
assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0);
- usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
+ usedspace = (unsigned int)rem64u(rshift64(context->bitcount[0], 3), SHA512_BLOCK_LENGTH);
if (usedspace > 0) {
/* Calculate how much free space is available in the buffer */
freespace = SHA512_BLOCK_LENGTH - usedspace;
if (len >= freespace) {
/* Fill the buffer completely and process it */
- bcopy(data, &context->buffer[usedspace], freespace);
+ memcpy(&context->buffer[usedspace], data, (size_t)(freespace));
ADDINC128(context->bitcount, freespace << 3);
len -= freespace;
data += freespace;
- SHA512_Transform(context, (sha2_word64*)context->buffer);
+ SHA512_Transform(context, (sha2_word64*)(void *)context->buffer);
} else {
/* The buffer is not yet full */
- bcopy(data, &context->buffer[usedspace], len);
+ memcpy(&context->buffer[usedspace], data, len);
ADDINC128(context->bitcount, len << 3);
/* Clean up: */
usedspace = freespace = 0;
return;
}
}
- while (len >= SHA512_BLOCK_LENGTH) {
- /* Process as many complete blocks as we can */
- SHA512_Transform(context, (const sha2_word64*)data);
- ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
- len -= SHA512_BLOCK_LENGTH;
- data += SHA512_BLOCK_LENGTH;
+ /*
+ * Process as many complete blocks as possible.
+ *
+ * Check alignment of the data pointer. If it is 64bit aligned,
+ * SHA512_Transform can be called directly on the data stream,
+ * otherwise enforce the alignment by copy into the buffer.
+ */
+ if ((uintptr_t)data % 8 == 0) {
+ while (len >= SHA512_BLOCK_LENGTH) {
+ SHA512_Transform(context,
+ (const sha2_word64 *)(const void *)data);
+ ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
+ len -= SHA512_BLOCK_LENGTH;
+ data += SHA512_BLOCK_LENGTH;
+ }
+ } else {
+ while (len >= SHA512_BLOCK_LENGTH) {
+ memcpy(context->buffer, data, SHA512_BLOCK_LENGTH);
+ SHA512_Transform(context,
+ (const sha2_word64 *)(void *)context->buffer);
+ ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
+ len -= SHA512_BLOCK_LENGTH;
+ data += SHA512_BLOCK_LENGTH;
+ }
}
if (len > 0) {
/* There's left-overs, so save 'em */
- bcopy(data, context->buffer, len);
+ memcpy(context->buffer, data, len);
ADDINC128(context->bitcount, len << 3);
}
/* Clean up: */
usedspace = freespace = 0;
}
-void SHA512_Last(SHA512_CTX* context) {
+static void SHA512_Last(SHA512_CTX* context) {
unsigned int usedspace;
- usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
+ usedspace = rem64u(rshift64(context->bitcount[0], 3), SHA512_BLOCK_LENGTH);
#if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN
/* Convert FROM host byte order */
REVERSE64(context->bitcount[0],context->bitcount[0]);
if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) {
/* Set-up for the last transform: */
- bzero(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace);
+ memset(&context->buffer[usedspace], 0, (size_t)(SHA512_SHORT_BLOCK_LENGTH - usedspace));
} else {
if (usedspace < SHA512_BLOCK_LENGTH) {
- bzero(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace);
+ memset(&context->buffer[usedspace], 0, (size_t)(SHA512_BLOCK_LENGTH - usedspace));
}
/* Do second-to-last transform: */
- SHA512_Transform(context, (sha2_word64*)context->buffer);
+ SHA512_Transform(context, (sha2_word64*)(void *)context->buffer);
/* And set-up for the last transform: */
- bzero(context->buffer, SHA512_BLOCK_LENGTH - 2);
+ memset(context->buffer, 0, (size_t)(SHA512_BLOCK_LENGTH - 2));
}
} else {
/* Prepare for final transform: */
- bzero(context->buffer, SHA512_SHORT_BLOCK_LENGTH);
+ memset(context->buffer, 0, (size_t)(SHA512_SHORT_BLOCK_LENGTH));
/* Begin padding with a 1 bit: */
*context->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];
+ *(sha2_word64*)(void *)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1];
+ *(sha2_word64*)(void *)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0];
/* Final transform: */
- SHA512_Transform(context, (sha2_word64*)context->buffer);
+ SHA512_Transform(context, (sha2_word64*)(void *)context->buffer);
}
void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) {
- sha2_word64 *d = (sha2_word64*)digest;
+ sha2_word64 *d = (void *)digest;
/* Sanity check: */
assert(context != (SHA512_CTX*)0);
}
}
#else
- bcopy(context->state, d, SHA512_DIGEST_LENGTH);
+ memcpy(d, context->state, SHA512_DIGEST_LENGTH);
#endif
}
/* Zero out state data */
- bzero(context, sizeof(context));
-}
-
-char *SHA512_End(SHA512_CTX* context, char buffer[]) {
- sha2_byte digest[SHA512_DIGEST_LENGTH], *d = digest;
- int i;
-
- /* Sanity check: */
- assert(context != (SHA512_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];
- d++;
- }
- *buffer = (char)0;
- } else {
- bzero(context, sizeof(context));
- }
- bzero(digest, SHA512_DIGEST_LENGTH);
- return buffer;
-}
-
-char* SHA512_Data(const sha2_byte* data, size_t len, char digest[SHA512_DIGEST_STRING_LENGTH]) {
- SHA512_CTX context;
-
- SHA512_Init(&context);
- SHA512_Update(&context, data, len);
- return SHA512_End(&context, digest);
+ memset(context, 0, sizeof(*context));
}
/*** SHA-384: *********************************************************/
if (context == (SHA384_CTX*)0) {
return;
}
- bcopy(sha384_initial_hash_value, context->state, SHA512_DIGEST_LENGTH);
- bzero(context->buffer, SHA384_BLOCK_LENGTH);
- context->bitcount[0] = context->bitcount[1] = 0;
+ memcpy(context->state, sha384_initial_hash_value, (size_t)(SHA512_DIGEST_LENGTH));
+ memset(context->buffer, 0, (size_t)(SHA384_BLOCK_LENGTH));
+ make_zero64(context->bitcount[0]);
+ make_zero64(context->bitcount[1]);
}
void SHA384_Update(SHA384_CTX* context, const sha2_byte* data, size_t len) {
SHA512_Update((SHA512_CTX*)context, data, len);
}
+void SHA384_Transform(SHA512_CTX* context, const sha2_word64* data) {
+ SHA512_Transform((SHA512_CTX*)context, data);
+}
+
void SHA384_Final(sha2_byte digest[], SHA384_CTX* context) {
- sha2_word64 *d = (sha2_word64*)digest;
+ sha2_word64 *d = (void *)digest;
/* Sanity check: */
assert(context != (SHA384_CTX*)0);
}
}
#else
- bcopy(context->state, d, SHA384_DIGEST_LENGTH);
+ memcpy(d, context->state, SHA384_DIGEST_LENGTH);
#endif
}
/* Zero out state data */
- bzero(context, sizeof(context));
-}
-
-char *SHA384_End(SHA384_CTX* context, char buffer[]) {
- sha2_byte digest[SHA384_DIGEST_LENGTH], *d = digest;
- int i;
-
- /* Sanity check: */
- assert(context != (SHA384_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];
- d++;
- }
- *buffer = (char)0;
- } else {
- bzero(context, sizeof(context));
- }
- bzero(digest, SHA384_DIGEST_LENGTH);
- return buffer;
+ memset(context, 0, sizeof(*context));
}
-
-char* SHA384_Data(const sha2_byte* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH]) {
- SHA384_CTX context;
-
- SHA384_Init(&context);
- SHA384_Update(&context, data, len);
- return SHA384_End(&context, digest);
-}
-
-#endif /* !NO_64BIT */
-
-/*
- * $PchId: sha2.c,v 1.1 2005/06/28 14:29:23 philip Exp $
- */
--- /dev/null
+/* $NetBSD: sha2hl.c,v 1.7 2007/07/31 13:17:34 joerg Exp $ */
+
+/*
+ * sha2hl.c
+ * This code includes some functions taken from sha2.c, hence the
+ * following licence reproduction.
+ *
+ * This code is not a verbatim copy, since some routines have been added,
+ * and some bugs have been fixed.
+ *
+ * Version 1.0.0beta1
+ *
+ * Written by Aaron D. Gifford <me@aarongifford.com>
+ *
+ * Copyright 2000 Aaron D. Gifford. All rights reserved.
+ *
+ * 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. Neither the name of the copyright holder nor the names of contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``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(S) OR CONTRIBUTOR(S) 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.
+ *
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <minix/sha2.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#ifndef _DIAGASSERT
+#define _DIAGASSERT(cond) assert(cond)
+#endif
+
+#ifndef MEMSET_BZERO
+#define MEMSET_BZERO(p,l) memset((p), 0, (l))
+#endif
+
+/*
+ * Constant used by SHA256/384/512_End() functions for converting the
+ * digest to a readable hexadecimal character string:
+ */
+static const char sha2_hex_digits[] = "0123456789abcdef";
+
+char *
+SHA256_File(char *filename, char *buf)
+{
+ unsigned char buffer[SHA256_DIGEST_STRING_LENGTH];
+ SHA256_CTX ctx;
+ int fd, num, oerrno;
+
+ _DIAGASSERT(filename != NULL);
+ /* XXX: buf may be NULL ? */
+
+ SHA256_Init(&ctx);
+
+ if ((fd = open(filename, O_RDONLY)) < 0)
+ return (0);
+
+ while ((num = read(fd, buffer, sizeof(buffer))) > 0)
+ SHA256_Update(&ctx, buffer, (size_t) num);
+
+ oerrno = errno;
+ close(fd);
+ errno = oerrno;
+ return (num < 0 ? 0 : SHA256_End(&ctx, buf));
+}
+
+
+char *
+SHA256_End(SHA256_CTX *ctx, char buffer[SHA256_DIGEST_STRING_LENGTH])
+{
+ unsigned char digest[SHA256_DIGEST_LENGTH], *d = digest;
+ unsigned char *ret;
+ int i;
+
+ /* Sanity check: */
+ assert(ctx != NULL);
+
+ if ((ret = (unsigned char *)buffer) != NULL) {
+ SHA256_Final(digest, ctx);
+
+ for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
+ *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha2_hex_digits[*d & 0x0f];
+ d++;
+ }
+ *buffer = (char) 0;
+ } else {
+ (void) MEMSET_BZERO(ctx, sizeof(SHA256_CTX));
+ }
+ (void) MEMSET_BZERO(digest, SHA256_DIGEST_LENGTH);
+ return (char *)ret;
+}
+
+char *
+SHA256_Data(const uint8_t * data, size_t len, unsigned char digest[SHA256_DIGEST_STRING_LENGTH])
+{
+ SHA256_CTX ctx;
+
+ SHA256_Init(&ctx);
+ SHA256_Update(&ctx, data, len);
+ return SHA256_End(&ctx, (char *)digest);
+}
+
+char *
+SHA384_File(char *filename, char *buf)
+{
+ SHA384_CTX ctx;
+ unsigned char buffer[SHA384_DIGEST_STRING_LENGTH];
+ int fd, num, oerrno;
+
+ _DIAGASSERT(filename != NULL);
+ /* XXX: buf may be NULL ? */
+
+ SHA384_Init(&ctx);
+
+ if ((fd = open(filename, O_RDONLY)) < 0)
+ return (0);
+
+ while ((num = read(fd, buffer, sizeof(buffer))) > 0)
+ SHA384_Update(&ctx, buffer, (size_t) num);
+
+ oerrno = errno;
+ close(fd);
+ errno = oerrno;
+ return (num < 0 ? 0 : SHA384_End(&ctx, buf));
+}
+
+char *
+SHA384_End(SHA384_CTX * ctx, char buffer[SHA384_DIGEST_STRING_LENGTH])
+{
+ unsigned char digest[SHA384_DIGEST_LENGTH], *d = digest;
+ unsigned char *ret;
+ int i;
+
+ /* Sanity check: */
+ assert(ctx != NULL);
+
+ if ((ret = (unsigned char *)buffer) != NULL) {
+ SHA384_Final(digest, ctx);
+
+ for (i = 0; i < SHA384_DIGEST_LENGTH; i++) {
+ *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha2_hex_digits[*d & 0x0f];
+ d++;
+ }
+ *buffer = (char) 0;
+ } else {
+ (void) MEMSET_BZERO(ctx, sizeof(SHA384_CTX));
+ }
+ (void) MEMSET_BZERO(digest, SHA384_DIGEST_LENGTH);
+ return (char *)ret;
+}
+
+char *
+SHA384_Data(const uint8_t* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH])
+{
+ SHA384_CTX ctx;
+
+ SHA384_Init(&ctx);
+ SHA384_Update(&ctx, data, len);
+ return SHA384_End(&ctx, digest);
+}
+
+char *
+SHA512_File(char *filename, char *buf)
+{
+ SHA512_CTX ctx;
+ unsigned char buffer[SHA512_DIGEST_STRING_LENGTH];
+ int fd, num, oerrno;
+
+ _DIAGASSERT(filename != NULL);
+ /* XXX: buf may be NULL ? */
+
+ SHA512_Init(&ctx);
+
+ if ((fd = open(filename, O_RDONLY)) < 0)
+ return (0);
+
+ while ((num = read(fd, buffer, sizeof(buffer))) > 0)
+ SHA512_Update(&ctx, buffer, (size_t) num);
+
+ oerrno = errno;
+ close(fd);
+ errno = oerrno;
+ return (num < 0 ? 0 : SHA512_End(&ctx, buf));
+}
+
+char *
+SHA512_End(SHA512_CTX * ctx, char buffer[SHA512_DIGEST_STRING_LENGTH])
+{
+ unsigned char digest[SHA512_DIGEST_LENGTH], *d = digest;
+ unsigned char *ret;
+ int i;
+
+ /* Sanity check: */
+ assert(ctx != NULL);
+
+ if ((ret = (unsigned char *)buffer) != NULL) {
+ SHA512_Final(digest, ctx);
+
+ for (i = 0; i < SHA512_DIGEST_LENGTH; i++) {
+ *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha2_hex_digits[*d & 0x0f];
+ d++;
+ }
+ *buffer = (char) 0;
+ } else {
+ (void) MEMSET_BZERO(ctx, sizeof(SHA512_CTX));
+ }
+ (void) MEMSET_BZERO(digest, SHA512_DIGEST_LENGTH);
+ return (char *)ret;
+}
+
+char *
+SHA512_Data(const uint8_t * data, size_t len, char *digest)
+{
+ SHA512_CTX ctx;
+
+ SHA512_Init(&ctx);
+ SHA512_Update(&ctx, data, len);
+ return SHA512_End(&ctx, digest);
+}
+
+/* $NetBSD: sha2hl.c,v 1.7 2007/07/31 13:17:34 joerg Exp $ */
+
+/*
+ * sha2hl.c
+ * This code includes some functions taken from sha2.c, hence the
+ * following licence reproduction.
+ *
+ * This code is not a verbatim copy, since some routines have been added,
+ * and some bugs have been fixed.
+ *
+ * Version 1.0.0beta1
+ *
+ * Written by Aaron D. Gifford <me@aarongifford.com>
+ *
+ * Copyright 2000 Aaron D. Gifford. All rights reserved.
+ *
+ * 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. Neither the name of the copyright holder nor the names of contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``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(S) OR CONTRIBUTOR(S) 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.
+ *
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <minix/sha2.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#ifndef _DIAGASSERT
+#define _DIAGASSERT(cond) assert(cond)
+#endif
+
+#ifndef MEMSET_BZERO
+#define MEMSET_BZERO(p,l) memset((p), 0, (l))
+#endif
+
+/*
+ * Constant used by SHA256/384/512_End() functions for converting the
+ * digest to a readable hexadecimal character string:
+ */
+static const char sha2_hex_digits[] = "0123456789abcdef";
+
+char *
+SHA256_File(char *filename, char *buf)
+{
+ unsigned char buffer[SHA256_DIGEST_STRING_LENGTH];
+ SHA256_CTX ctx;
+ int fd, num, oerrno;
+
+ _DIAGASSERT(filename != NULL);
+ /* XXX: buf may be NULL ? */
+
+ SHA256_Init(&ctx);
+
+ if ((fd = open(filename, O_RDONLY)) < 0)
+ return (0);
+
+ while ((num = read(fd, buffer, sizeof(buffer))) > 0)
+ SHA256_Update(&ctx, buffer, (size_t) num);
+
+ oerrno = errno;
+ close(fd);
+ errno = oerrno;
+ return (num < 0 ? 0 : SHA256_End(&ctx, buf));
+}
+
+
+char *
+SHA256_End(SHA256_CTX *ctx, char buffer[SHA256_DIGEST_STRING_LENGTH])
+{
+ unsigned char digest[SHA256_DIGEST_LENGTH], *d = digest;
+ unsigned char *ret;
+ int i;
+
+ /* Sanity check: */
+ assert(ctx != NULL);
+
+ if ((ret = (unsigned char *)buffer) != NULL) {
+ SHA256_Final(digest, ctx);
+
+ for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
+ *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha2_hex_digits[*d & 0x0f];
+ d++;
+ }
+ *buffer = (char) 0;
+ } else {
+ (void) MEMSET_BZERO(ctx, sizeof(SHA256_CTX));
+ }
+ (void) MEMSET_BZERO(digest, SHA256_DIGEST_LENGTH);
+ return (char *)ret;
+}
+
+char *
+SHA256_Data(const uint8_t * data, size_t len, unsigned char digest[SHA256_DIGEST_STRING_LENGTH])
+{
+ SHA256_CTX ctx;
+
+ SHA256_Init(&ctx);
+ SHA256_Update(&ctx, data, len);
+ return SHA256_End(&ctx, (char *)digest);
+}
+
+char *
+SHA384_File(char *filename, char *buf)
+{
+ SHA384_CTX ctx;
+ unsigned char buffer[SHA384_DIGEST_STRING_LENGTH];
+ int fd, num, oerrno;
+
+ _DIAGASSERT(filename != NULL);
+ /* XXX: buf may be NULL ? */
+
+ SHA384_Init(&ctx);
+
+ if ((fd = open(filename, O_RDONLY)) < 0)
+ return (0);
+
+ while ((num = read(fd, buffer, sizeof(buffer))) > 0)
+ SHA384_Update(&ctx, buffer, (size_t) num);
+
+ oerrno = errno;
+ close(fd);
+ errno = oerrno;
+ return (num < 0 ? 0 : SHA384_End(&ctx, buf));
+}
+
+char *
+SHA384_End(SHA384_CTX * ctx, char buffer[SHA384_DIGEST_STRING_LENGTH])
+{
+ unsigned char digest[SHA384_DIGEST_LENGTH], *d = digest;
+ unsigned char *ret;
+ int i;
+
+ /* Sanity check: */
+ assert(ctx != NULL);
+
+ if ((ret = (unsigned char *)buffer) != NULL) {
+ SHA384_Final(digest, ctx);
+
+ for (i = 0; i < SHA384_DIGEST_LENGTH; i++) {
+ *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha2_hex_digits[*d & 0x0f];
+ d++;
+ }
+ *buffer = (char) 0;
+ } else {
+ (void) MEMSET_BZERO(ctx, sizeof(SHA384_CTX));
+ }
+ (void) MEMSET_BZERO(digest, SHA384_DIGEST_LENGTH);
+ return (char *)ret;
+}
+
+char *
+SHA384_Data(const uint8_t* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH])
+{
+ SHA384_CTX ctx;
+
+ SHA384_Init(&ctx);
+ SHA384_Update(&ctx, data, len);
+ return SHA384_End(&ctx, digest);
+}
+
+char *
+SHA512_File(char *filename, char *buf)
+{
+ SHA512_CTX ctx;
+ unsigned char buffer[SHA512_DIGEST_STRING_LENGTH];
+ int fd, num, oerrno;
+
+ _DIAGASSERT(filename != NULL);
+ /* XXX: buf may be NULL ? */
+
+ SHA512_Init(&ctx);
+
+ if ((fd = open(filename, O_RDONLY)) < 0)
+ return (0);
+
+ while ((num = read(fd, buffer, sizeof(buffer))) > 0)
+ SHA512_Update(&ctx, buffer, (size_t) num);
+
+ oerrno = errno;
+ close(fd);
+ errno = oerrno;
+ return (num < 0 ? 0 : SHA512_End(&ctx, buf));
+}
+
+char *
+SHA512_End(SHA512_CTX * ctx, char buffer[SHA512_DIGEST_STRING_LENGTH])
+{
+ unsigned char digest[SHA512_DIGEST_LENGTH], *d = digest;
+ unsigned char *ret;
+ int i;
+
+ /* Sanity check: */
+ assert(ctx != NULL);
+
+ if ((ret = (unsigned char *)buffer) != NULL) {
+ SHA512_Final(digest, ctx);
+
+ for (i = 0; i < SHA512_DIGEST_LENGTH; i++) {
+ *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+ *buffer++ = sha2_hex_digits[*d & 0x0f];
+ d++;
+ }
+ *buffer = (char) 0;
+ } else {
+ (void) MEMSET_BZERO(ctx, sizeof(SHA512_CTX));
+ }
+ (void) MEMSET_BZERO(digest, SHA512_DIGEST_LENGTH);
+ return (char *)ret;
+}
+
+char *
+SHA512_Data(const uint8_t * data, size_t len, char *digest)
+{
+ SHA512_CTX ctx;
+
+ SHA512_Init(&ctx);
+ SHA512_Update(&ctx, data, len);
+ return SHA512_End(&ctx, digest);
+}
+
+