26 #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
32 #ifndef WORDS_BIGENDIAN
33 # define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
34 |(rol(block->l[i],8)&0x00FF00FF))
36 # define blk0(i) block->l[i]
38 #define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
39 ^block->l[(i+2)&15]^block->l[i&15],1))
44 #define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
45 #define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
46 #define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
47 #define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
48 #define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
54 SHA1Transform(uint32_t state[5],
const uint8_t buffer[SHA1_BLOCK_LENGTH])
56 uint32_t a, b, c, d, e;
61 CHAR64LONG16 realBlock;
62 CHAR64LONG16 *block= &realBlock;
64 (void)memcpy(block, buffer, SHA1_BLOCK_LENGTH);
74 R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
75 R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
76 R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
77 R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
78 R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
79 R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
80 R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
81 R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
82 R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
83 R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
84 R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
85 R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
86 R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
87 R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
88 R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
89 R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
90 R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
91 R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
92 R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
93 R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
103 a = b = c = d = e = 0;
116 context->state[0] = 0x67452301;
117 context->state[1] = 0xEFCDAB89;
118 context->state[2] = 0x98BADCFE;
119 context->state[3] = 0x10325476;
120 context->state[4] = 0xC3D2E1F0;
128 SHA1Update(
SHA1_CTX *context,
const uint8_t *data,
size_t len)
132 j = (size_t)((context->count >> 3) & 63);
133 context->count += (len << 3);
134 if ((j + len) > 63) {
135 (void)memcpy(&context->buffer[j], data, (i = 64-j));
136 SHA1Transform(context->state, context->buffer);
137 for ( ; i + 63 < len; i += 64)
138 SHA1Transform(context->state, (uint8_t *)&data[i]);
143 (void)memcpy(&context->buffer[j], &data[i], len - i);
153 uint8_t finalcount[8];
156 for (i = 0; i < 8; i++) {
157 finalcount[i] = (uint8_t)((context->count >>
158 ((7 - (i & 7)) * 8)) & 255);
160 SHA1Update(context, (uint8_t *)
"\200", 1);
161 while ((context->count & 504) != 448)
162 SHA1Update(context, (uint8_t *)
"\0", 1);
163 SHA1Update(context, finalcount, 8);
167 SHA1Final(uint8_t digest[SHA1_DIGEST_LENGTH],
SHA1_CTX *context)
173 for (i = 0; i < SHA1_DIGEST_LENGTH; i++) {
174 digest[i] = (uint8_t)
175 ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
177 memset(context, 0,
sizeof(*context));