mirror of
https://github.com/darlinghq/darling-corecrypto.git
synced 2024-11-26 21:50:27 +00:00
Fix MD5 and MD4 implementations (darlinghq/darling#641)
This commit is contained in:
Lubos Dolezel
parent
61e16fce6f
commit
d055f73ea0
211
src/ccmd4.c
211
src/ccmd4.c
@ -19,19 +19,20 @@
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#include <corecrypto/ccdigest.h>
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#include <corecrypto/ccmd4.h>
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#include <corecrypto/cc_priv.h>
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#include <corecrypto/ccdigest_priv.h>
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#include <string.h>
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#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
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static void md4_final(const struct ccdigest_info* di, ccdigest_ctx_t ctx, unsigned char* out);
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static void md4_compress(ccdigest_state_t state, size_t nblocks, const void* in);
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static const uint32_t md4_initial_state[4+18] = { 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476 };
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const uint32_t ccmd4_initial_state[4] = { 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476 };
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const struct ccdigest_info ccmd4_ltc_di = {
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.initial_state = md4_initial_state,
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.initial_state = ccmd4_initial_state,
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.compress = md4_compress,
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.final = md4_final,
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.final = ccdigest_final_64le,
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.output_size = CCMD4_OUTPUT_SIZE,
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.state_size = CCMD4_STATE_SIZE,
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.block_size = CCMD4_BLOCK_SIZE,
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@ -39,36 +40,6 @@ const struct ccdigest_info ccmd4_ltc_di = {
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.oid_size = 10,
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};
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// Taken from RFC1320
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/* POINTER defines a generic pointer type */
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typedef unsigned char *POINTER;
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/* UINT2 defines a two byte word */
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typedef unsigned short int UINT2;
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/* UINT4 defines a four byte word */
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typedef unsigned int UINT4;
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struct MD4_CTX {
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UINT4 state[4]; /* state (ABCD) */
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UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */
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unsigned char buffer[64]; /* input buffer */
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};
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#define FF(a, b, c, d, x, s) { \
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(a) += F ((b), (c), (d)) + (x); \
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(a) = ROTATE_LEFT ((a), (s)); \
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}
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#define GG(a, b, c, d, x, s) { \
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(a) += G ((b), (c), (d)) + (x) + (UINT4)0x5a827999; \
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(a) = ROTATE_LEFT ((a), (s)); \
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}
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#define HH(a, b, c, d, x, s) { \
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(a) += H ((b), (c), (d)) + (x) + (UINT4)0x6ed9eba1; \
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(a) = ROTATE_LEFT ((a), (s)); \
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}
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#define S11 3
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#define S12 7
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#define S13 11
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@ -82,36 +53,52 @@ struct MD4_CTX {
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#define S33 11
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#define S34 15
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#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
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#define G(x, y, z) (((x) & (y)) | ((x) & (z)) | ((y) & (z)))
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#define H(x, y, z) ((x) ^ (y) ^ (z))
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// Taken from RFC1320
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typedef uint32_t UINT4;
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static void Decode (UINT4 *output, const unsigned char *input, unsigned int len)
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{
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unsigned int i, j;
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/* ROTATE_LEFT rotates x left n bits.
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*/
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#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
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for (i = 0, j = 0; j < len; i++, j += 4)
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output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
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(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
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}
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/* FF, GG and HH are transformations for rounds 1, 2 and 3 */
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/* Rotation is separate from addition to prevent recomputation */
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static void Encode (unsigned char *output, UINT4 *input, unsigned int len)
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{
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unsigned int i, j;
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for (i = 0, j = 0; j < len; i++, j += 4) {
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output[j] = (unsigned char)(input[i] & 0xff);
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output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
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output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
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output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
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#define FF(a, b, c, d, x, s) { \
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(a) += F ((b), (c), (d)) + (x); \
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(a) = ROTATE_LEFT ((a), (s)); \
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}
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#define GG(a, b, c, d, x, s) { \
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(a) += G ((b), (c), (d)) + (x) + 0x5a827999; \
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(a) = ROTATE_LEFT ((a), (s)); \
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}
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#define HH(a, b, c, d, x, s) { \
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(a) += H ((b), (c), (d)) + (x) + 0x6ed9eba1; \
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(a) = ROTATE_LEFT ((a), (s)); \
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}
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}
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static void MD4Transform (UINT4 state[4], const unsigned char block[64])
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#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
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#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
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#define H(x, y, z) ((x) ^ (y) ^ (z))
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#define I(x, y, z) ((y) ^ ((x) | (~z)))
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static void md4_compress(ccdigest_state_t state, unsigned long nblocks, const void *in)
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{
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UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
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uint32_t x[16];
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uint32_t a, b, c, d;
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uint32_t* s = ccdigest_u32(state);
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const uint8_t* buf = in;
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Decode (x, block, 64);
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for (size_t block = 0; block < nblocks; block++)
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{
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/* copy state */
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a = s[0];
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b = s[1];
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c = s[2];
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d = s[3];
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/* copy the state into 512-bits into W[0..15] */
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for (int i = 0; i < 16; i++)
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CC_LOAD32_LE(x[i], buf + (4*i));
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/* Round 1 */
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FF (a, b, c, d, x[ 0], S11); /* 1 */
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@ -167,111 +154,13 @@ static void MD4Transform (UINT4 state[4], const unsigned char block[64])
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HH (c, d, a, b, x[ 7], S33); /* 47 */
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HH (b, c, d, a, x[15], S34); /* 48 */
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state[0] += a;
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state[1] += b;
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state[2] += c;
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state[3] += d;
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/* Zeroize sensitive information.
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*/
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memset ((POINTER)x, 0, sizeof (x));
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}
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/* Update our state */
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s[0] = s[0] + a;
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s[1] = s[1] + b;
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s[2] = s[2] + c;
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s[3] = s[3] + d;
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static const unsigned char PADDING[64] = {
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0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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static void MD4Update (struct MD4_CTX *context, const unsigned char *input, unsigned int inputLen)
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{
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unsigned int i, index, partLen;
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/* Compute number of bytes mod 64 */
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index = (unsigned int)((context->count[0] >> 3) & 0x3F);
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/* Update number of bits */
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if ((context->count[0] += ((UINT4)inputLen << 3)) < ((UINT4)inputLen << 3))
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context->count[1]++;
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context->count[1] += ((UINT4)inputLen >> 29);
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partLen = 64 - index;
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/* Transform as many times as possible.
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*/
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if (inputLen >= partLen) {
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memcpy
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((POINTER)&context->buffer[index], (POINTER)input, partLen);
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MD4Transform (context->state, context->buffer);
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for (i = partLen; i + 63 < inputLen; i += 64)
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MD4Transform (context->state, &input[i]);
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index = 0;
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}
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else
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i = 0;
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/* Buffer remaining input */
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memcpy
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((POINTER)&context->buffer[index], (POINTER)&input[i],
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inputLen-i);
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}
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static void MD4Final (unsigned char digest[16], struct MD4_CTX *context)
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{
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unsigned char bits[8];
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unsigned int index, padLen;
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/* Save number of bits */
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Encode (bits, context
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->count, 8);
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/* Pad out to 56 mod 64.
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*/
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index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
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padLen = (index < 56) ? (56 - index) : (120 - index);
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MD4Update (context, PADDING, padLen
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);
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/* Append length (before padding) */
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MD4Update (context, bits,
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8);
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/* Store state in digest */
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Encode (digest, context
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->state, 16);
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/* Zeroize sensitive information.
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*/
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memset ((POINTER)
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context, 0, sizeof (*context));
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}
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static void md4_final(const struct ccdigest_info* di, ccdigest_ctx_t ctx, unsigned char* out)
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{
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struct MD4_CTX* mdctx = (struct MD4_CTX*) ccdigest_u8(ccdigest_state(di, ctx));
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struct ccdigest_state* state = ccdigest_state(di, ctx);
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// Push the remaining data
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MD4Update(mdctx, ccdigest_data(di, ctx), ccdigest_num(di, ctx));
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MD4Final(out, mdctx);
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}
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static void md4_compress(ccdigest_state_t state, size_t nblocks, const void* in)
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{
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struct MD4_CTX* ctx = (struct MD4_CTX*) ccdigest_u8(state);
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unsigned int i;
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const unsigned char* pos = (const unsigned char*) in;
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for (i = 0; i < nblocks; i++)
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{
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MD4Update(ctx, pos, CCMD4_BLOCK_SIZE);
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pos += CCMD4_BLOCK_SIZE;
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buf += CCMD4_BLOCK_SIZE;
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}
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}
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const uint32_t ccmd4_initial_state[4] = {
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0x00000000,
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0x00000000,
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0x00000000,
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0x00000000,
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};
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320
src/ccmd5.c
320
src/ccmd5.c
@ -18,8 +18,12 @@
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*/
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#include <corecrypto/ccdigest.h>
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#include <corecrypto/ccdigest_priv.h>
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#include <corecrypto/ccmd5.h>
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#include <corecrypto/cc_priv.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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static void md5_final(const struct ccdigest_info* di, ccdigest_ctx_t ctx, unsigned char* out);
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static void md5_compress(ccdigest_state_t state, size_t nblocks, const void* in);
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@ -29,7 +33,7 @@ static const uint32_t md5_initial_state[4+18] = { 0x67452301, 0xefcdab89, 0x98ba
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const struct ccdigest_info ccmd5_ltc_di = {
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.initial_state = md5_initial_state,
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.compress = md5_compress,
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.final = md5_final,
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.final = ccdigest_final_64le,
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.output_size = CCMD5_OUTPUT_SIZE,
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.state_size = CCMD5_STATE_SIZE,
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.block_size = CCMD5_BLOCK_SIZE,
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@ -37,22 +41,7 @@ const struct ccdigest_info ccmd5_ltc_di = {
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.oid_size = 10,
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};
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// Taken from RFC1321
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/* POINTER defines a generic pointer type */
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typedef unsigned char *POINTER;
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/* UINT2 defines a two byte word */
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typedef unsigned short int UINT2;
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/* UINT4 defines a four byte word */
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typedef unsigned int UINT4;
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struct MD5_CTX {
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UINT4 state[4]; /* state (ABCD) */
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UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */
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unsigned char buffer[64]; /* input buffer */
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};
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typedef uint32_t UINT4;
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/* ROTATE_LEFT rotates x left n bits.
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*/
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@ -82,226 +71,101 @@ Rotation is separate from addition to prevent recomputation.
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(a) += (b); \
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}
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#define S11 7
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#define S12 12
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#define S13 17
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#define S14 22
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#define S21 5
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#define S22 9
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#define S23 14
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#define S24 20
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#define S31 4
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#define S32 11
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#define S33 16
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#define S34 23
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#define S41 6
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#define S42 10
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#define S43 15
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#define S44 21
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#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
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#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
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#define H(x, y, z) ((x) ^ (y) ^ (z))
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#define I(x, y, z) ((y) ^ ((x) | (~z)))
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// TODO: Were these previously undefined macros supposed to do something different?
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#define MD5_memcpy memcpy
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#define MD5_memset memset
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static void Decode (UINT4 *output, const unsigned char *input, unsigned int len)
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{
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unsigned int i, j;
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for (i = 0, j = 0; j < len; i++, j += 4)
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output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
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(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
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}
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static void Encode (unsigned char *output, UINT4 *input, unsigned int len)
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{
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unsigned int i, j;
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for (i = 0, j = 0; j < len; i++, j += 4) {
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output[j] = (unsigned char)(input[i] & 0xff);
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output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
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output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
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output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
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}
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}
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static void MD5Transform (UINT4 state[4], const unsigned char block[64])
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{
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UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
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Decode (x, block, 64);
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/* Round 1 */
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FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
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FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
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FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
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FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
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FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
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FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
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FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
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FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
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FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
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FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
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FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
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FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
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FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
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FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
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FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
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FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
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/* Round 2 */
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GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
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GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
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GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
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GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
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GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
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GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */
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GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
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GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
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GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
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GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
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GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
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GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
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GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
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GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
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GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
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GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
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/* Round 3 */
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HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
|
||||
HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
|
||||
HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
|
||||
HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
|
||||
HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
|
||||
HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
|
||||
HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
|
||||
HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
|
||||
HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
|
||||
HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
|
||||
HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
|
||||
HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
|
||||
HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
|
||||
HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
|
||||
HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
|
||||
HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
|
||||
|
||||
/* Round 4 */
|
||||
II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
|
||||
II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
|
||||
II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
|
||||
II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
|
||||
II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
|
||||
II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
|
||||
II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
|
||||
II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
|
||||
II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
|
||||
II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
|
||||
II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
|
||||
II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
|
||||
II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
|
||||
II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
|
||||
II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
|
||||
II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
|
||||
|
||||
state[0] += a;
|
||||
state[1] += b;
|
||||
state[2] += c;
|
||||
state[3] += d;
|
||||
|
||||
/* Zeroize sensitive information.*/
|
||||
MD5_memset ((POINTER)x, 0, sizeof (x));
|
||||
}
|
||||
|
||||
static const unsigned char PADDING[64] = {
|
||||
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
||||
};
|
||||
|
||||
static void MD5Update (struct MD5_CTX *context, const unsigned char *input, unsigned int inputLen)
|
||||
{
|
||||
unsigned int i, index, partLen;
|
||||
|
||||
/* Compute number of bytes mod 64 */
|
||||
index = (unsigned int)((context->count[0] >> 3) & 0x3F);
|
||||
|
||||
/* Update number of bits */
|
||||
if ((context->count[0] += ((UINT4)inputLen << 3))
|
||||
< ((UINT4)inputLen << 3))
|
||||
context->count[1]++;
|
||||
context->count[1] += ((UINT4)inputLen >> 29);
|
||||
|
||||
partLen = 64 - index;
|
||||
|
||||
/* Transform as many times as possible.
|
||||
*/
|
||||
if (inputLen >= partLen) {
|
||||
MD5_memcpy
|
||||
((POINTER)&context->buffer[index], (POINTER)input, partLen);
|
||||
MD5Transform (context->state, context->buffer);
|
||||
|
||||
for (i = partLen; i + 63 < inputLen; i += 64)
|
||||
MD5Transform (context->state, &input[i]);
|
||||
|
||||
index = 0;
|
||||
}
|
||||
else
|
||||
i = 0;
|
||||
|
||||
/* Buffer remaining input */
|
||||
memcpy
|
||||
((POINTER)&context->buffer[index], (POINTER)&input[i],
|
||||
inputLen-i);
|
||||
}
|
||||
|
||||
static void MD5Final (unsigned char digest[16], struct MD5_CTX *context)
|
||||
{
|
||||
unsigned char bits[8];
|
||||
unsigned int index, padLen;
|
||||
|
||||
/* Save number of bits */
|
||||
Encode (bits, context->count, 8);
|
||||
|
||||
/* Pad out to 56 mod 64.
|
||||
*/
|
||||
index = (unsigned int)((context->count[0] >> 3) & 0x3f);
|
||||
padLen = (index < 56) ? (56 - index) : (120 - index);
|
||||
MD5Update (context, PADDING, padLen);
|
||||
|
||||
/* Append length (before padding) */
|
||||
MD5Update (context, bits, 8);
|
||||
/* Store state in digest */
|
||||
Encode (digest, context->state, 16);
|
||||
|
||||
/* Zeroize sensitive information.
|
||||
*/
|
||||
memset ((POINTER)context, 0, sizeof (*context));
|
||||
}
|
||||
|
||||
static void md5_final(const struct ccdigest_info* di, ccdigest_ctx_t ctx, unsigned char* out)
|
||||
{
|
||||
struct MD5_CTX* mdctx = (struct MD5_CTX*) ccdigest_u8(ccdigest_state(di, ctx));
|
||||
struct ccdigest_state* state = ccdigest_state(di, ctx);
|
||||
|
||||
// Push the remaining data
|
||||
MD5Update(mdctx, ccdigest_data(di, ctx), ccdigest_num(di, ctx));
|
||||
MD5Final(out, mdctx);
|
||||
}
|
||||
|
||||
static void md5_compress(ccdigest_state_t state, size_t nblocks, const void* in)
|
||||
{
|
||||
struct MD5_CTX* ctx = (struct MD5_CTX*) ccdigest_u8(state);
|
||||
unsigned int i;
|
||||
const unsigned char* pos = (const unsigned char*) in;
|
||||
uint32_t W[16];
|
||||
uint32_t a, b, c, d;
|
||||
uint32_t* s = ccdigest_u32(state);
|
||||
const uint8_t* buf = in;
|
||||
|
||||
for (i = 0; i < nblocks; i++)
|
||||
for (size_t block = 0; block < nblocks; block++)
|
||||
{
|
||||
MD5Transform(ccdigest_u32(state), pos);
|
||||
pos += CCMD5_BLOCK_SIZE;
|
||||
/* copy the state into 512-bits into W[0..15] */
|
||||
for (int i = 0; i < 16; i++)
|
||||
CC_LOAD32_LE(W[i], buf + (4*i));
|
||||
|
||||
/* copy state */
|
||||
a = s[0];
|
||||
b = s[1];
|
||||
c = s[2];
|
||||
d = s[3];
|
||||
|
||||
FF(a,b,c,d,W[0],7,0xd76aa478)
|
||||
FF(d,a,b,c,W[1],12,0xe8c7b756)
|
||||
FF(c,d,a,b,W[2],17,0x242070db)
|
||||
FF(b,c,d,a,W[3],22,0xc1bdceee)
|
||||
FF(a,b,c,d,W[4],7,0xf57c0faf)
|
||||
FF(d,a,b,c,W[5],12,0x4787c62a)
|
||||
FF(c,d,a,b,W[6],17,0xa8304613)
|
||||
FF(b,c,d,a,W[7],22,0xfd469501)
|
||||
FF(a,b,c,d,W[8],7,0x698098d8)
|
||||
FF(d,a,b,c,W[9],12,0x8b44f7af)
|
||||
FF(c,d,a,b,W[10],17,0xffff5bb1)
|
||||
FF(b,c,d,a,W[11],22,0x895cd7be)
|
||||
FF(a,b,c,d,W[12],7,0x6b901122)
|
||||
FF(d,a,b,c,W[13],12,0xfd987193)
|
||||
FF(c,d,a,b,W[14],17,0xa679438e)
|
||||
FF(b,c,d,a,W[15],22,0x49b40821)
|
||||
GG(a,b,c,d,W[1],5,0xf61e2562)
|
||||
GG(d,a,b,c,W[6],9,0xc040b340)
|
||||
GG(c,d,a,b,W[11],14,0x265e5a51)
|
||||
GG(b,c,d,a,W[0],20,0xe9b6c7aa)
|
||||
GG(a,b,c,d,W[5],5,0xd62f105d)
|
||||
GG(d,a,b,c,W[10],9,0x02441453)
|
||||
GG(c,d,a,b,W[15],14,0xd8a1e681)
|
||||
GG(b,c,d,a,W[4],20,0xe7d3fbc8)
|
||||
GG(a,b,c,d,W[9],5,0x21e1cde6)
|
||||
GG(d,a,b,c,W[14],9,0xc33707d6)
|
||||
GG(c,d,a,b,W[3],14,0xf4d50d87)
|
||||
GG(b,c,d,a,W[8],20,0x455a14ed)
|
||||
GG(a,b,c,d,W[13],5,0xa9e3e905)
|
||||
GG(d,a,b,c,W[2],9,0xfcefa3f8)
|
||||
GG(c,d,a,b,W[7],14,0x676f02d9)
|
||||
GG(b,c,d,a,W[12],20,0x8d2a4c8a)
|
||||
HH(a,b,c,d,W[5],4,0xfffa3942)
|
||||
HH(d,a,b,c,W[8],11,0x8771f681)
|
||||
HH(c,d,a,b,W[11],16,0x6d9d6122)
|
||||
HH(b,c,d,a,W[14],23,0xfde5380c)
|
||||
HH(a,b,c,d,W[1],4,0xa4beea44)
|
||||
HH(d,a,b,c,W[4],11,0x4bdecfa9)
|
||||
HH(c,d,a,b,W[7],16,0xf6bb4b60)
|
||||
HH(b,c,d,a,W[10],23,0xbebfbc70)
|
||||
HH(a,b,c,d,W[13],4,0x289b7ec6)
|
||||
HH(d,a,b,c,W[0],11,0xeaa127fa)
|
||||
HH(c,d,a,b,W[3],16,0xd4ef3085)
|
||||
HH(b,c,d,a,W[6],23,0x04881d05)
|
||||
HH(a,b,c,d,W[9],4,0xd9d4d039)
|
||||
HH(d,a,b,c,W[12],11,0xe6db99e5)
|
||||
HH(c,d,a,b,W[15],16,0x1fa27cf8)
|
||||
HH(b,c,d,a,W[2],23,0xc4ac5665)
|
||||
II(a,b,c,d,W[0],6,0xf4292244)
|
||||
II(d,a,b,c,W[7],10,0x432aff97)
|
||||
II(c,d,a,b,W[14],15,0xab9423a7)
|
||||
II(b,c,d,a,W[5],21,0xfc93a039)
|
||||
II(a,b,c,d,W[12],6,0x655b59c3)
|
||||
II(d,a,b,c,W[3],10,0x8f0ccc92)
|
||||
II(c,d,a,b,W[10],15,0xffeff47d)
|
||||
II(b,c,d,a,W[1],21,0x85845dd1)
|
||||
II(a,b,c,d,W[8],6,0x6fa87e4f)
|
||||
II(d,a,b,c,W[15],10,0xfe2ce6e0)
|
||||
II(c,d,a,b,W[6],15,0xa3014314)
|
||||
II(b,c,d,a,W[13],21,0x4e0811a1)
|
||||
II(a,b,c,d,W[4],6,0xf7537e82)
|
||||
II(d,a,b,c,W[11],10,0xbd3af235)
|
||||
II(c,d,a,b,W[2],15,0x2ad7d2bb)
|
||||
II(b,c,d,a,W[9],21,0xeb86d391)
|
||||
|
||||
s[0] += a;
|
||||
s[1] += b;
|
||||
s[2] += c;
|
||||
s[3] += d;
|
||||
|
||||
buf += CCMD5_BLOCK_SIZE;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user