Lines Matching +full:0 +full:- +full:9 +full:a +full:- +full:b
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * MD5 and HMAC-MD5 library functions
32 (w += f(x, y, z) + in, w = (w << s | w >> (32 - s)) + x)
38 u32 a, b, c, d; in md5_block_generic() local
43 a = state->h[0]; in md5_block_generic()
44 b = state->h[1]; in md5_block_generic()
45 c = state->h[2]; in md5_block_generic()
46 d = state->h[3]; in md5_block_generic()
48 MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7); in md5_block_generic()
49 MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12); in md5_block_generic()
50 MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17); in md5_block_generic()
51 MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22); in md5_block_generic()
52 MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7); in md5_block_generic()
53 MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12); in md5_block_generic()
54 MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17); in md5_block_generic()
55 MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22); in md5_block_generic()
56 MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7); in md5_block_generic()
57 MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12); in md5_block_generic()
58 MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); in md5_block_generic()
59 MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); in md5_block_generic()
60 MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); in md5_block_generic()
61 MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); in md5_block_generic()
62 MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); in md5_block_generic()
63 MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); in md5_block_generic()
65 MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5); in md5_block_generic()
66 MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9); in md5_block_generic()
67 MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); in md5_block_generic()
68 MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20); in md5_block_generic()
69 MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5); in md5_block_generic()
70 MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); in md5_block_generic()
71 MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); in md5_block_generic()
72 MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20); in md5_block_generic()
73 MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5); in md5_block_generic()
74 MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); in md5_block_generic()
75 MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14); in md5_block_generic()
76 MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20); in md5_block_generic()
77 MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); in md5_block_generic()
78 MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9); in md5_block_generic()
79 MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14); in md5_block_generic()
80 MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); in md5_block_generic()
82 MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4); in md5_block_generic()
83 MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11); in md5_block_generic()
84 MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); in md5_block_generic()
85 MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); in md5_block_generic()
86 MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4); in md5_block_generic()
87 MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11); in md5_block_generic()
88 MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16); in md5_block_generic()
89 MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); in md5_block_generic()
90 MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); in md5_block_generic()
91 MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11); in md5_block_generic()
92 MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16); in md5_block_generic()
93 MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23); in md5_block_generic()
94 MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4); in md5_block_generic()
95 MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); in md5_block_generic()
96 MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); in md5_block_generic()
97 MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23); in md5_block_generic()
99 MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6); in md5_block_generic()
100 MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10); in md5_block_generic()
101 MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); in md5_block_generic()
102 MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21); in md5_block_generic()
103 MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); in md5_block_generic()
104 MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10); in md5_block_generic()
105 MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); in md5_block_generic()
106 MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21); in md5_block_generic()
107 MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6); in md5_block_generic()
108 MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); in md5_block_generic()
109 MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15); in md5_block_generic()
110 MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); in md5_block_generic()
111 MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6); in md5_block_generic()
112 MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); in md5_block_generic()
113 MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15); in md5_block_generic()
114 MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21); in md5_block_generic()
116 state->h[0] += a; in md5_block_generic()
117 state->h[1] += b; in md5_block_generic()
118 state->h[2] += c; in md5_block_generic()
119 state->h[3] += d; in md5_block_generic()
128 } while (--nblocks); in md5_blocks_generic()
139 ctx->state = md5_iv; in md5_init()
140 ctx->bytecount = 0; in md5_init()
146 size_t partial = ctx->bytecount % MD5_BLOCK_SIZE; in md5_update()
148 ctx->bytecount += len; in md5_update()
154 size_t l = MD5_BLOCK_SIZE - partial; in md5_update()
156 memcpy(&ctx->buf[partial], data, l); in md5_update()
158 len -= l; in md5_update()
160 md5_blocks(&ctx->state, ctx->buf, 1); in md5_update()
167 md5_blocks(&ctx->state, data, nblocks); in md5_update()
170 partial = 0; in md5_update()
173 memcpy(&ctx->buf[partial], data, len); in md5_update()
179 u64 bitcount = ctx->bytecount << 3; in __md5_final()
180 size_t partial = ctx->bytecount % MD5_BLOCK_SIZE; in __md5_final()
182 ctx->buf[partial++] = 0x80; in __md5_final()
183 if (partial > MD5_BLOCK_SIZE - 8) { in __md5_final()
184 memset(&ctx->buf[partial], 0, MD5_BLOCK_SIZE - partial); in __md5_final()
185 md5_blocks(&ctx->state, ctx->buf, 1); in __md5_final()
186 partial = 0; in __md5_final()
188 memset(&ctx->buf[partial], 0, MD5_BLOCK_SIZE - 8 - partial); in __md5_final()
189 *(__le64 *)&ctx->buf[MD5_BLOCK_SIZE - 8] = cpu_to_le64(bitcount); in __md5_final()
190 md5_blocks(&ctx->state, ctx->buf, 1); in __md5_final()
192 cpu_to_le32_array(ctx->state.h, ARRAY_SIZE(ctx->state.h)); in __md5_final()
193 memcpy(out, ctx->state.h, MD5_DIGEST_SIZE); in __md5_final()
218 u8 b[MD5_BLOCK_SIZE]; in __hmac_md5_preparekey() member
220 } derived_key = { 0 }; in __hmac_md5_preparekey()
223 md5(raw_key, raw_key_len, derived_key.b); in __hmac_md5_preparekey()
225 memcpy(derived_key.b, raw_key, raw_key_len); in __hmac_md5_preparekey()
227 for (size_t i = 0; i < ARRAY_SIZE(derived_key.w); i++) in __hmac_md5_preparekey()
230 md5_blocks(istate, derived_key.b, 1); in __hmac_md5_preparekey()
232 for (size_t i = 0; i < ARRAY_SIZE(derived_key.w); i++) in __hmac_md5_preparekey()
236 md5_blocks(ostate, derived_key.b, 1); in __hmac_md5_preparekey()
244 __hmac_md5_preparekey(&key->istate, &key->ostate, raw_key, raw_key_len); in hmac_md5_preparekey()
250 ctx->hash_ctx.state = key->istate; in hmac_md5_init()
251 ctx->hash_ctx.bytecount = MD5_BLOCK_SIZE; in hmac_md5_init()
252 ctx->ostate = key->ostate; in hmac_md5_init()
259 __hmac_md5_preparekey(&ctx->hash_ctx.state, &ctx->ostate, in hmac_md5_init_usingrawkey()
261 ctx->hash_ctx.bytecount = MD5_BLOCK_SIZE; in hmac_md5_init_usingrawkey()
267 /* Generate the padded input for the outer hash in ctx->hash_ctx.buf. */ in hmac_md5_final()
268 __md5_final(&ctx->hash_ctx, ctx->hash_ctx.buf); in hmac_md5_final()
269 memset(&ctx->hash_ctx.buf[MD5_DIGEST_SIZE], 0, in hmac_md5_final()
270 MD5_BLOCK_SIZE - MD5_DIGEST_SIZE); in hmac_md5_final()
271 ctx->hash_ctx.buf[MD5_DIGEST_SIZE] = 0x80; in hmac_md5_final()
272 *(__le64 *)&ctx->hash_ctx.buf[MD5_BLOCK_SIZE - 8] = in hmac_md5_final()
276 md5_blocks(&ctx->ostate, ctx->hash_ctx.buf, 1); in hmac_md5_final()
277 cpu_to_le32_array(ctx->ostate.h, ARRAY_SIZE(ctx->ostate.h)); in hmac_md5_final()
278 memcpy(out, ctx->ostate.h, MD5_DIGEST_SIZE); in hmac_md5_final()
311 return 0; in md5_mod_init()
321 MODULE_DESCRIPTION("MD5 and HMAC-MD5 library functions");