/* the K array */
static const uint64_t K[80] = {
- UINT64_C(0x428a2f98d728ae22), UINT64_C(0x7137449123ef65cd),
- UINT64_C(0xb5c0fbcfec4d3b2f), UINT64_C(0xe9b5dba58189dbbc),
- UINT64_C(0x3956c25bf348b538), UINT64_C(0x59f111f1b605d019),
- UINT64_C(0x923f82a4af194f9b), UINT64_C(0xab1c5ed5da6d8118),
- UINT64_C(0xd807aa98a3030242), UINT64_C(0x12835b0145706fbe),
- UINT64_C(0x243185be4ee4b28c), UINT64_C(0x550c7dc3d5ffb4e2),
- UINT64_C(0x72be5d74f27b896f), UINT64_C(0x80deb1fe3b1696b1),
- UINT64_C(0x9bdc06a725c71235), UINT64_C(0xc19bf174cf692694),
- UINT64_C(0xe49b69c19ef14ad2), UINT64_C(0xefbe4786384f25e3),
- UINT64_C(0x0fc19dc68b8cd5b5), UINT64_C(0x240ca1cc77ac9c65),
- UINT64_C(0x2de92c6f592b0275), UINT64_C(0x4a7484aa6ea6e483),
- UINT64_C(0x5cb0a9dcbd41fbd4), UINT64_C(0x76f988da831153b5),
- UINT64_C(0x983e5152ee66dfab), UINT64_C(0xa831c66d2db43210),
- UINT64_C(0xb00327c898fb213f), UINT64_C(0xbf597fc7beef0ee4),
- UINT64_C(0xc6e00bf33da88fc2), UINT64_C(0xd5a79147930aa725),
- UINT64_C(0x06ca6351e003826f), UINT64_C(0x142929670a0e6e70),
- UINT64_C(0x27b70a8546d22ffc), UINT64_C(0x2e1b21385c26c926),
- UINT64_C(0x4d2c6dfc5ac42aed), UINT64_C(0x53380d139d95b3df),
- UINT64_C(0x650a73548baf63de), UINT64_C(0x766a0abb3c77b2a8),
- UINT64_C(0x81c2c92e47edaee6), UINT64_C(0x92722c851482353b),
- UINT64_C(0xa2bfe8a14cf10364), UINT64_C(0xa81a664bbc423001),
- UINT64_C(0xc24b8b70d0f89791), UINT64_C(0xc76c51a30654be30),
- UINT64_C(0xd192e819d6ef5218), UINT64_C(0xd69906245565a910),
- UINT64_C(0xf40e35855771202a), UINT64_C(0x106aa07032bbd1b8),
- UINT64_C(0x19a4c116b8d2d0c8), UINT64_C(0x1e376c085141ab53),
- UINT64_C(0x2748774cdf8eeb99), UINT64_C(0x34b0bcb5e19b48a8),
- UINT64_C(0x391c0cb3c5c95a63), UINT64_C(0x4ed8aa4ae3418acb),
- UINT64_C(0x5b9cca4f7763e373), UINT64_C(0x682e6ff3d6b2b8a3),
- UINT64_C(0x748f82ee5defb2fc), UINT64_C(0x78a5636f43172f60),
- UINT64_C(0x84c87814a1f0ab72), UINT64_C(0x8cc702081a6439ec),
- UINT64_C(0x90befffa23631e28), UINT64_C(0xa4506cebde82bde9),
- UINT64_C(0xbef9a3f7b2c67915), UINT64_C(0xc67178f2e372532b),
- UINT64_C(0xca273eceea26619c), UINT64_C(0xd186b8c721c0c207),
- UINT64_C(0xeada7dd6cde0eb1e), UINT64_C(0xf57d4f7fee6ed178),
- UINT64_C(0x06f067aa72176fba), UINT64_C(0x0a637dc5a2c898a6),
- UINT64_C(0x113f9804bef90dae), UINT64_C(0x1b710b35131c471b),
- UINT64_C(0x28db77f523047d84), UINT64_C(0x32caab7b40c72493),
- UINT64_C(0x3c9ebe0a15c9bebc), UINT64_C(0x431d67c49c100d4c),
- UINT64_C(0x4cc5d4becb3e42b6), UINT64_C(0x597f299cfc657e2a),
- UINT64_C(0x5fcb6fab3ad6faec), UINT64_C(0x6c44198c4a475817)
+ UINT64_C(0x428a2f98d728ae22), UINT64_C(0x7137449123ef65cd),
+ UINT64_C(0xb5c0fbcfec4d3b2f), UINT64_C(0xe9b5dba58189dbbc),
+ UINT64_C(0x3956c25bf348b538), UINT64_C(0x59f111f1b605d019),
+ UINT64_C(0x923f82a4af194f9b), UINT64_C(0xab1c5ed5da6d8118),
+ UINT64_C(0xd807aa98a3030242), UINT64_C(0x12835b0145706fbe),
+ UINT64_C(0x243185be4ee4b28c), UINT64_C(0x550c7dc3d5ffb4e2),
+ UINT64_C(0x72be5d74f27b896f), UINT64_C(0x80deb1fe3b1696b1),
+ UINT64_C(0x9bdc06a725c71235), UINT64_C(0xc19bf174cf692694),
+ UINT64_C(0xe49b69c19ef14ad2), UINT64_C(0xefbe4786384f25e3),
+ UINT64_C(0x0fc19dc68b8cd5b5), UINT64_C(0x240ca1cc77ac9c65),
+ UINT64_C(0x2de92c6f592b0275), UINT64_C(0x4a7484aa6ea6e483),
+ UINT64_C(0x5cb0a9dcbd41fbd4), UINT64_C(0x76f988da831153b5),
+ UINT64_C(0x983e5152ee66dfab), UINT64_C(0xa831c66d2db43210),
+ UINT64_C(0xb00327c898fb213f), UINT64_C(0xbf597fc7beef0ee4),
+ UINT64_C(0xc6e00bf33da88fc2), UINT64_C(0xd5a79147930aa725),
+ UINT64_C(0x06ca6351e003826f), UINT64_C(0x142929670a0e6e70),
+ UINT64_C(0x27b70a8546d22ffc), UINT64_C(0x2e1b21385c26c926),
+ UINT64_C(0x4d2c6dfc5ac42aed), UINT64_C(0x53380d139d95b3df),
+ UINT64_C(0x650a73548baf63de), UINT64_C(0x766a0abb3c77b2a8),
+ UINT64_C(0x81c2c92e47edaee6), UINT64_C(0x92722c851482353b),
+ UINT64_C(0xa2bfe8a14cf10364), UINT64_C(0xa81a664bbc423001),
+ UINT64_C(0xc24b8b70d0f89791), UINT64_C(0xc76c51a30654be30),
+ UINT64_C(0xd192e819d6ef5218), UINT64_C(0xd69906245565a910),
+ UINT64_C(0xf40e35855771202a), UINT64_C(0x106aa07032bbd1b8),
+ UINT64_C(0x19a4c116b8d2d0c8), UINT64_C(0x1e376c085141ab53),
+ UINT64_C(0x2748774cdf8eeb99), UINT64_C(0x34b0bcb5e19b48a8),
+ UINT64_C(0x391c0cb3c5c95a63), UINT64_C(0x4ed8aa4ae3418acb),
+ UINT64_C(0x5b9cca4f7763e373), UINT64_C(0x682e6ff3d6b2b8a3),
+ UINT64_C(0x748f82ee5defb2fc), UINT64_C(0x78a5636f43172f60),
+ UINT64_C(0x84c87814a1f0ab72), UINT64_C(0x8cc702081a6439ec),
+ UINT64_C(0x90befffa23631e28), UINT64_C(0xa4506cebde82bde9),
+ UINT64_C(0xbef9a3f7b2c67915), UINT64_C(0xc67178f2e372532b),
+ UINT64_C(0xca273eceea26619c), UINT64_C(0xd186b8c721c0c207),
+ UINT64_C(0xeada7dd6cde0eb1e), UINT64_C(0xf57d4f7fee6ed178),
+ UINT64_C(0x06f067aa72176fba), UINT64_C(0x0a637dc5a2c898a6),
+ UINT64_C(0x113f9804bef90dae), UINT64_C(0x1b710b35131c471b),
+ UINT64_C(0x28db77f523047d84), UINT64_C(0x32caab7b40c72493),
+ UINT64_C(0x3c9ebe0a15c9bebc), UINT64_C(0x431d67c49c100d4c),
+ UINT64_C(0x4cc5d4becb3e42b6), UINT64_C(0x597f299cfc657e2a),
+ UINT64_C(0x5fcb6fab3ad6faec), UINT64_C(0x6c44198c4a475817)
};
/* Various logical functions */
#define ROR64c(x, y) \
- ( ((((x)&UINT64_C(0xFFFFFFFFFFFFFFFF))>>((uint64_t)(y)&UINT64_C(63))) | \
- ((x)<<((uint64_t)(64-((y)&UINT64_C(63)))))) & UINT64_C(0xFFFFFFFFFFFFFFFF))
+ ( ((((x)&UINT64_C(0xFFFFFFFFFFFFFFFF))>>((uint64_t)(y)&UINT64_C(63))) | \
+ ((x)<<((uint64_t)(64-((y)&UINT64_C(63)))))) & UINT64_C(0xFFFFFFFFFFFFFFFF))
#define STORE64H(x, y) \
- { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \
- (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \
- (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \
- (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }
+ { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \
+ (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \
+ (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \
+ (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }
#define LOAD64H(x, y) \
- { x = (((uint64_t)((y)[0] & 255))<<56)|(((uint64_t)((y)[1] & 255))<<48) | \
- (((uint64_t)((y)[2] & 255))<<40)|(((uint64_t)((y)[3] & 255))<<32) | \
- (((uint64_t)((y)[4] & 255))<<24)|(((uint64_t)((y)[5] & 255))<<16) | \
- (((uint64_t)((y)[6] & 255))<<8)|(((uint64_t)((y)[7] & 255))); }
+ { x = (((uint64_t)((y)[0] & 255))<<56)|(((uint64_t)((y)[1] & 255))<<48) | \
+ (((uint64_t)((y)[2] & 255))<<40)|(((uint64_t)((y)[3] & 255))<<32) | \
+ (((uint64_t)((y)[4] & 255))<<24)|(((uint64_t)((y)[5] & 255))<<16) | \
+ (((uint64_t)((y)[6] & 255))<<8)|(((uint64_t)((y)[7] & 255))); }
#define Ch(x,y,z) (z ^ (x & (y ^ z)))
#define Gamma0(x) (S(x, 1) ^ S(x, 8) ^ R(x, 7))
#define Gamma1(x) (S(x, 19) ^ S(x, 61) ^ R(x, 6))
#ifndef MIN
- #define MIN(x, y) ( ((x)<(y))?(x):(y) )
+#define MIN(x, y) ( ((x)<(y))?(x):(y) )
#endif
/* compress 1024-bits */
-static int sha512_compress(sha512_context *md, const unsigned char *buf)
-{
- uint64_t S[8], W[80], t0, t1;
- int i;
-
- /* copy state into S */
- for (i = 0; i < 8; i++) {
- S[i] = md->state[i];
- }
-
- /* copy the state into 1024-bits into W[0..15] */
- for (i = 0; i < 16; i++) {
- LOAD64H(W[i], buf + (8*i));
- }
-
- /* fill W[16..79] */
- for (i = 16; i < 80; i++) {
- W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16];
- }
-
-/* Compress */
- #define RND(a,b,c,d,e,f,g,h,i) \
- t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
- t1 = Sigma0(a) + Maj(a, b, c);\
- d += t0; \
- h = t0 + t1;
-
- for (i = 0; i < 80; i += 8) {
- RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],i+0);
- RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],i+1);
- RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],i+2);
- RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],i+3);
- RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],i+4);
- RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],i+5);
- RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],i+6);
- RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],i+7);
- }
-
- #undef RND
-
-
-
- /* feedback */
- for (i = 0; i < 8; i++) {
- md->state[i] = md->state[i] + S[i];
- }
-
- return 0;
+static int sha512_compress(sha512_context *md, const unsigned char *buf) {
+ uint64_t S[8], W[80], t0, t1;
+ int i;
+
+ /* copy state into S */
+ for(i = 0; i < 8; i++) {
+ S[i] = md->state[i];
+ }
+
+ /* copy the state into 1024-bits into W[0..15] */
+ for(i = 0; i < 16; i++) {
+ LOAD64H(W[i], buf + (8 * i));
+ }
+
+ /* fill W[16..79] */
+ for(i = 16; i < 80; i++) {
+ W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16];
+ }
+
+ /* Compress */
+#define RND(a,b,c,d,e,f,g,h,i) \
+ t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
+ t1 = Sigma0(a) + Maj(a, b, c);\
+ d += t0; \
+ h = t0 + t1;
+
+ for(i = 0; i < 80; i += 8) {
+ RND(S[0], S[1], S[2], S[3], S[4], S[5], S[6], S[7], i + 0);
+ RND(S[7], S[0], S[1], S[2], S[3], S[4], S[5], S[6], i + 1);
+ RND(S[6], S[7], S[0], S[1], S[2], S[3], S[4], S[5], i + 2);
+ RND(S[5], S[6], S[7], S[0], S[1], S[2], S[3], S[4], i + 3);
+ RND(S[4], S[5], S[6], S[7], S[0], S[1], S[2], S[3], i + 4);
+ RND(S[3], S[4], S[5], S[6], S[7], S[0], S[1], S[2], i + 5);
+ RND(S[2], S[3], S[4], S[5], S[6], S[7], S[0], S[1], i + 6);
+ RND(S[1], S[2], S[3], S[4], S[5], S[6], S[7], S[0], i + 7);
+ }
+
+#undef RND
+
+
+
+ /* feedback */
+ for(i = 0; i < 8; i++) {
+ md->state[i] = md->state[i] + S[i];
+ }
+
+ return 0;
}
@param md The hash state you wish to initialize
@return 0 if successful
*/
-int sha512_init(sha512_context * md) {
- if (md == NULL) return 1;
-
- md->curlen = 0;
- md->length = 0;
- md->state[0] = UINT64_C(0x6a09e667f3bcc908);
- md->state[1] = UINT64_C(0xbb67ae8584caa73b);
- md->state[2] = UINT64_C(0x3c6ef372fe94f82b);
- md->state[3] = UINT64_C(0xa54ff53a5f1d36f1);
- md->state[4] = UINT64_C(0x510e527fade682d1);
- md->state[5] = UINT64_C(0x9b05688c2b3e6c1f);
- md->state[6] = UINT64_C(0x1f83d9abfb41bd6b);
- md->state[7] = UINT64_C(0x5be0cd19137e2179);
-
- return 0;
+int sha512_init(sha512_context *md) {
+ if(md == NULL) {
+ return 1;
+ }
+
+ md->curlen = 0;
+ md->length = 0;
+ md->state[0] = UINT64_C(0x6a09e667f3bcc908);
+ md->state[1] = UINT64_C(0xbb67ae8584caa73b);
+ md->state[2] = UINT64_C(0x3c6ef372fe94f82b);
+ md->state[3] = UINT64_C(0xa54ff53a5f1d36f1);
+ md->state[4] = UINT64_C(0x510e527fade682d1);
+ md->state[5] = UINT64_C(0x9b05688c2b3e6c1f);
+ md->state[6] = UINT64_C(0x1f83d9abfb41bd6b);
+ md->state[7] = UINT64_C(0x5be0cd19137e2179);
+
+ return 0;
}
/**
@param inlen The length of the data (octets)
@return 0 if successful
*/
-int sha512_update(sha512_context *md, const void *vin, size_t inlen)
-{
- const unsigned char *in = vin;
- size_t n;
- size_t i;
- int err;
- if (md == NULL) return 1;
- if (in == NULL) return 1;
- if (md->curlen > sizeof(md->buf)) {
- return 1;
- }
- while (inlen > 0) {
- if (md->curlen == 0 && inlen >= 128) {
- if ((err = sha512_compress (md, in)) != 0) {
- return err;
- }
- md->length += 128 * 8;
- in += 128;
- inlen -= 128;
- } else {
- n = MIN(inlen, (128 - md->curlen));
-
- for (i = 0; i < n; i++) {
- md->buf[i + md->curlen] = in[i];
- }
-
-
- md->curlen += n;
- in += n;
- inlen -= n;
- if (md->curlen == 128) {
- if ((err = sha512_compress (md, md->buf)) != 0) {
- return err;
- }
- md->length += 8*128;
- md->curlen = 0;
- }
- }
- }
- return 0;
+int sha512_update(sha512_context *md, const void *vin, size_t inlen) {
+ const unsigned char *in = vin;
+ size_t n;
+ size_t i;
+ int err;
+
+ if(md == NULL) {
+ return 1;
+ }
+
+ if(in == NULL) {
+ return 1;
+ }
+
+ if(md->curlen > sizeof(md->buf)) {
+ return 1;
+ }
+
+ while(inlen > 0) {
+ if(md->curlen == 0 && inlen >= 128) {
+ if((err = sha512_compress(md, in)) != 0) {
+ return err;
+ }
+
+ md->length += 128 * 8;
+ in += 128;
+ inlen -= 128;
+ } else {
+ n = MIN(inlen, (128 - md->curlen));
+
+ for(i = 0; i < n; i++) {
+ md->buf[i + md->curlen] = in[i];
+ }
+
+
+ md->curlen += n;
+ in += n;
+ inlen -= n;
+
+ if(md->curlen == 128) {
+ if((err = sha512_compress(md, md->buf)) != 0) {
+ return err;
+ }
+
+ md->length += 8 * 128;
+ md->curlen = 0;
+ }
+ }
+ }
+
+ return 0;
}
/**
@param out [out] The destination of the hash (64 bytes)
@return 0 if successful
*/
-int sha512_final(sha512_context * md, void *vout)
-{
- int i;
- unsigned char *out = vout;
-
- if (md == NULL) return 1;
- if (out == NULL) return 1;
-
- if (md->curlen >= sizeof(md->buf)) {
- return 1;
- }
-
- /* increase the length of the message */
- md->length += md->curlen * UINT64_C(8);
-
- /* append the '1' bit */
- md->buf[md->curlen++] = (unsigned char)0x80;
-
- /* if the length is currently above 112 bytes we append zeros
- * then compress. Then we can fall back to padding zeros and length
- * encoding like normal.
- */
- if (md->curlen > 112) {
- while (md->curlen < 128) {
- md->buf[md->curlen++] = (unsigned char)0;
- }
- sha512_compress(md, md->buf);
- md->curlen = 0;
- }
-
- /* pad upto 120 bytes of zeroes
- * note: that from 112 to 120 is the 64 MSB of the length. We assume that you won't hash
- * > 2^64 bits of data... :-)
- */
- while (md->curlen < 120) {
- md->buf[md->curlen++] = (unsigned char)0;
- }
-
- /* store length */
- STORE64H(md->length, md->buf+120);
- sha512_compress(md, md->buf);
-
- /* copy output */
- for (i = 0; i < 8; i++) {
- STORE64H(md->state[i], out+(8*i));
- }
-
- return 0;
+int sha512_final(sha512_context *md, void *vout) {
+ int i;
+ unsigned char *out = vout;
+
+ if(md == NULL) {
+ return 1;
+ }
+
+ if(out == NULL) {
+ return 1;
+ }
+
+ if(md->curlen >= sizeof(md->buf)) {
+ return 1;
+ }
+
+ /* increase the length of the message */
+ md->length += md->curlen * UINT64_C(8);
+
+ /* append the '1' bit */
+ md->buf[md->curlen++] = (unsigned char)0x80;
+
+ /* if the length is currently above 112 bytes we append zeros
+ * then compress. Then we can fall back to padding zeros and length
+ * encoding like normal.
+ */
+ if(md->curlen > 112) {
+ while(md->curlen < 128) {
+ md->buf[md->curlen++] = (unsigned char)0;
+ }
+
+ sha512_compress(md, md->buf);
+ md->curlen = 0;
+ }
+
+ /* pad upto 120 bytes of zeroes
+ * note: that from 112 to 120 is the 64 MSB of the length. We assume that you won't hash
+ * > 2^64 bits of data... :-)
+ */
+ while(md->curlen < 120) {
+ md->buf[md->curlen++] = (unsigned char)0;
+ }
+
+ /* store length */
+ STORE64H(md->length, md->buf + 120);
+ sha512_compress(md, md->buf);
+
+ /* copy output */
+ for(i = 0; i < 8; i++) {
+ STORE64H(md->state[i], out + (8 * i));
+ }
+
+ return 0;
}
-int sha512(const void *message, size_t message_len, void *out)
-{
- sha512_context ctx;
- int ret;
- if ((ret = sha512_init(&ctx))) return ret;
- if ((ret = sha512_update(&ctx, message, message_len))) return ret;
- if ((ret = sha512_final(&ctx, out))) return ret;
- return 0;
+int sha512(const void *message, size_t message_len, void *out) {
+ sha512_context ctx;
+ int ret;
+
+ if((ret = sha512_init(&ctx))) {
+ return ret;
+ }
+
+ if((ret = sha512_update(&ctx, message, message_len))) {
+ return ret;
+ }
+
+ if((ret = sha512_final(&ctx, out))) {
+ return ret;
+ }
+
+ return 0;
}
projects / tinc / blobdiff