diff options
Diffstat (limited to 'src/crypto/isa-l/isa-l_crypto/sha1_mb/sha1_ctx_base.c')
| -rw-r--r-- | src/crypto/isa-l/isa-l_crypto/sha1_mb/sha1_ctx_base.c | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/sha1_mb/sha1_ctx_base.c b/src/crypto/isa-l/isa-l_crypto/sha1_mb/sha1_ctx_base.c new file mode 100644 index 000000000..90481efd0 --- /dev/null +++ b/src/crypto/isa-l/isa-l_crypto/sha1_mb/sha1_ctx_base.c @@ -0,0 +1,325 @@ +/********************************************************************** + Copyright(c) 2011-2016 Intel Corporation All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * 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. + * Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "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 COPYRIGHT + OWNER OR CONTRIBUTORS 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 <stdint.h> +#include <string.h> +#include "sha1_mb.h" +#include "memcpy_inline.h" +#include "endian_helper.h" + +#ifdef _MSC_VER +#include <intrin.h> +#define inline __inline +#endif + +#if (__GNUC__ >= 11) +# define OPT_FIX __attribute__ ((noipa)) +#else +# define OPT_FIX +#endif + +#define F1(b,c,d) (d ^ (b & (c ^ d))) +#define F2(b,c,d) (b ^ c ^ d) +#define F3(b,c,d) ((b & c) | (d & (b | c))) +#define F4(b,c,d) (b ^ c ^ d) + +#define rol32(x, r) (((x)<<(r)) ^ ((x)>>(32-(r)))) + +#define W(x) w[(x) & 15] + +#define step00_19(i,a,b,c,d,e) \ + if (i>15) W(i) = rol32(W(i-3)^W(i-8)^W(i-14)^W(i-16), 1); \ + else W(i) = to_be32(ww[i]); \ + e += rol32(a,5) + F1(b,c,d) + 0x5A827999 + W(i); \ + b = rol32(b,30) + +#define step20_39(i,a,b,c,d,e) \ + W(i) = rol32(W(i-3)^W(i-8)^W(i-14)^W(i-16), 1); \ + e += rol32(a,5) + F2(b,c,d) + 0x6ED9EBA1 + W(i); \ + b = rol32(b,30) + +#define step40_59(i,a,b,c,d,e) \ + W(i) = rol32(W(i-3)^W(i-8)^W(i-14)^W(i-16), 1); \ + e += rol32(a,5) + F3(b,c,d) + 0x8F1BBCDC + W(i); \ + b = rol32(b,30) + +#define step60_79(i,a,b,c,d,e) \ + W(i) = rol32(W(i-3)^W(i-8)^W(i-14)^W(i-16), 1); \ + e += rol32(a,5) + F4(b,c,d) + 0xCA62C1D6 + W(i); \ + b = rol32(b,30) + +static void sha1_init(SHA1_HASH_CTX * ctx, const void *buffer, uint32_t len); +static uint32_t sha1_update(SHA1_HASH_CTX * ctx, const void *buffer, uint32_t len); +static void sha1_final(SHA1_HASH_CTX * ctx, uint32_t remain_len); +static void OPT_FIX sha1_single(const void *data, uint32_t digest[]); +static inline void hash_init_digest(SHA1_WORD_T * digest); + +void sha1_ctx_mgr_init_base(SHA1_HASH_CTX_MGR * mgr) +{ +} + +SHA1_HASH_CTX *sha1_ctx_mgr_submit_base(SHA1_HASH_CTX_MGR * mgr, SHA1_HASH_CTX * ctx, + const void *buffer, uint32_t len, HASH_CTX_FLAG flags) +{ + uint32_t remain_len; + + if (flags & (~HASH_ENTIRE)) { + // User should not pass anything other than FIRST, UPDATE, or LAST + ctx->error = HASH_CTX_ERROR_INVALID_FLAGS; + return ctx; + } + + if ((ctx->status & HASH_CTX_STS_PROCESSING) && (flags == HASH_ENTIRE)) { + // Cannot submit a new entire job to a currently processing job. + ctx->error = HASH_CTX_ERROR_ALREADY_PROCESSING; + return ctx; + } + + if ((ctx->status & HASH_CTX_STS_COMPLETE) && !(flags & HASH_FIRST)) { + // Cannot update a finished job. + ctx->error = HASH_CTX_ERROR_ALREADY_COMPLETED; + return ctx; + } + + if (flags == HASH_FIRST) { + + sha1_init(ctx, buffer, len); + sha1_update(ctx, buffer, len); + } + + if (flags == HASH_UPDATE) { + sha1_update(ctx, buffer, len); + } + + if (flags == HASH_LAST) { + remain_len = sha1_update(ctx, buffer, len); + sha1_final(ctx, remain_len); + } + + if (flags == HASH_ENTIRE) { + sha1_init(ctx, buffer, len); + remain_len = sha1_update(ctx, buffer, len); + sha1_final(ctx, remain_len); + } + + return ctx; +} + +SHA1_HASH_CTX *sha1_ctx_mgr_flush_base(SHA1_HASH_CTX_MGR * mgr) +{ + return NULL; +} + +static void sha1_init(SHA1_HASH_CTX * ctx, const void *buffer, uint32_t len) +{ + // Init digest + hash_init_digest(ctx->job.result_digest); + + // Reset byte counter + ctx->total_length = 0; + + // Clear extra blocks + ctx->partial_block_buffer_length = 0; + + // If we made it here, there were no errors during this call to submit + ctx->error = HASH_CTX_ERROR_NONE; + + // Mark it as processing + ctx->status = HASH_CTX_STS_PROCESSING; +} + +static uint32_t sha1_update(SHA1_HASH_CTX * ctx, const void *buffer, uint32_t len) +{ + uint32_t remain_len = len; + uint32_t *digest = ctx->job.result_digest; + + while (remain_len >= SHA1_BLOCK_SIZE) { + sha1_single(buffer, digest); + buffer = (void *)((uint8_t *) buffer + SHA1_BLOCK_SIZE); + remain_len -= SHA1_BLOCK_SIZE; + ctx->total_length += SHA1_BLOCK_SIZE; + } + + ctx->status = HASH_CTX_STS_IDLE; + ctx->incoming_buffer = buffer; + return remain_len; +} + +static void sha1_final(SHA1_HASH_CTX * ctx, uint32_t remain_len) +{ + const void *buffer = ctx->incoming_buffer; + uint32_t i = remain_len, j; + uint8_t buf[2 * SHA1_BLOCK_SIZE]; + uint32_t *digest = ctx->job.result_digest; + + ctx->total_length += i; + memcpy(buf, buffer, i); + buf[i++] = 0x80; + for (j = i; j < ((2 * SHA1_BLOCK_SIZE) - SHA1_PADLENGTHFIELD_SIZE); j++) + buf[j] = 0; + + if (i > SHA1_BLOCK_SIZE - SHA1_PADLENGTHFIELD_SIZE) + i = 2 * SHA1_BLOCK_SIZE; + else + i = SHA1_BLOCK_SIZE; + + *(uint64_t *) (buf + i - 8) = to_be64((uint64_t) ctx->total_length * 8); + + sha1_single(buf, digest); + if (i == 2 * SHA1_BLOCK_SIZE) { + sha1_single(buf + SHA1_BLOCK_SIZE, digest); + } + + ctx->status = HASH_CTX_STS_COMPLETE; +} + +void sha1_single(const void *data, uint32_t digest[]) +{ + uint32_t a, b, c, d, e; + uint32_t w[16] = { 0 }; + uint32_t *ww = (uint32_t *) data; + + a = digest[0]; + b = digest[1]; + c = digest[2]; + d = digest[3]; + e = digest[4]; + + step00_19(0, a, b, c, d, e); + step00_19(1, e, a, b, c, d); + step00_19(2, d, e, a, b, c); + step00_19(3, c, d, e, a, b); + step00_19(4, b, c, d, e, a); + step00_19(5, a, b, c, d, e); + step00_19(6, e, a, b, c, d); + step00_19(7, d, e, a, b, c); + step00_19(8, c, d, e, a, b); + step00_19(9, b, c, d, e, a); + step00_19(10, a, b, c, d, e); + step00_19(11, e, a, b, c, d); + step00_19(12, d, e, a, b, c); + step00_19(13, c, d, e, a, b); + step00_19(14, b, c, d, e, a); + step00_19(15, a, b, c, d, e); + step00_19(16, e, a, b, c, d); + step00_19(17, d, e, a, b, c); + step00_19(18, c, d, e, a, b); + step00_19(19, b, c, d, e, a); + + step20_39(20, a, b, c, d, e); + step20_39(21, e, a, b, c, d); + step20_39(22, d, e, a, b, c); + step20_39(23, c, d, e, a, b); + step20_39(24, b, c, d, e, a); + step20_39(25, a, b, c, d, e); + step20_39(26, e, a, b, c, d); + step20_39(27, d, e, a, b, c); + step20_39(28, c, d, e, a, b); + step20_39(29, b, c, d, e, a); + step20_39(30, a, b, c, d, e); + step20_39(31, e, a, b, c, d); + step20_39(32, d, e, a, b, c); + step20_39(33, c, d, e, a, b); + step20_39(34, b, c, d, e, a); + step20_39(35, a, b, c, d, e); + step20_39(36, e, a, b, c, d); + step20_39(37, d, e, a, b, c); + step20_39(38, c, d, e, a, b); + step20_39(39, b, c, d, e, a); + + step40_59(40, a, b, c, d, e); + step40_59(41, e, a, b, c, d); + step40_59(42, d, e, a, b, c); + step40_59(43, c, d, e, a, b); + step40_59(44, b, c, d, e, a); + step40_59(45, a, b, c, d, e); + step40_59(46, e, a, b, c, d); + step40_59(47, d, e, a, b, c); + step40_59(48, c, d, e, a, b); + step40_59(49, b, c, d, e, a); + step40_59(50, a, b, c, d, e); + step40_59(51, e, a, b, c, d); + step40_59(52, d, e, a, b, c); + step40_59(53, c, d, e, a, b); + step40_59(54, b, c, d, e, a); + step40_59(55, a, b, c, d, e); + step40_59(56, e, a, b, c, d); + step40_59(57, d, e, a, b, c); + step40_59(58, c, d, e, a, b); + step40_59(59, b, c, d, e, a); + + step60_79(60, a, b, c, d, e); + step60_79(61, e, a, b, c, d); + step60_79(62, d, e, a, b, c); + step60_79(63, c, d, e, a, b); + step60_79(64, b, c, d, e, a); + step60_79(65, a, b, c, d, e); + step60_79(66, e, a, b, c, d); + step60_79(67, d, e, a, b, c); + step60_79(68, c, d, e, a, b); + step60_79(69, b, c, d, e, a); + step60_79(70, a, b, c, d, e); + step60_79(71, e, a, b, c, d); + step60_79(72, d, e, a, b, c); + step60_79(73, c, d, e, a, b); + step60_79(74, b, c, d, e, a); + step60_79(75, a, b, c, d, e); + step60_79(76, e, a, b, c, d); + step60_79(77, d, e, a, b, c); + step60_79(78, c, d, e, a, b); + step60_79(79, b, c, d, e, a); + + digest[0] += a; + digest[1] += b; + digest[2] += c; + digest[3] += d; + digest[4] += e; +} + +static inline void hash_init_digest(SHA1_WORD_T * digest) +{ + static const SHA1_WORD_T hash_initial_digest[SHA1_DIGEST_NWORDS] = + { SHA1_INITIAL_DIGEST }; + memcpy_fixedlen(digest, hash_initial_digest, sizeof(hash_initial_digest)); +} + +struct slver { + uint16_t snum; + uint8_t ver; + uint8_t core; +}; + +struct slver sha1_ctx_mgr_init_base_slver_00000192; +struct slver sha1_ctx_mgr_init_base_slver = { 0x0192, 0x00, 0x00 }; + +struct slver sha1_ctx_mgr_submit_base_slver_00000193; +struct slver sha1_ctx_mgr_submit_base_slver = { 0x0193, 0x00, 0x00 }; + +struct slver sha1_ctx_mgr_flush_base_slver_00000194; +struct slver sha1_ctx_mgr_flush_base_slver = { 0x0194, 0x00, 0x00 }; |