diff options
Diffstat (limited to 'tf-psa-crypto/drivers/builtin/src/sha1.c')
| -rw-r--r-- | tf-psa-crypto/drivers/builtin/src/sha1.c | 480 |
1 files changed, 480 insertions, 0 deletions
diff --git a/tf-psa-crypto/drivers/builtin/src/sha1.c b/tf-psa-crypto/drivers/builtin/src/sha1.c new file mode 100644 index 0000000..dfbe481 --- /dev/null +++ b/tf-psa-crypto/drivers/builtin/src/sha1.c @@ -0,0 +1,480 @@ +/* + * FIPS-180-1 compliant SHA-1 implementation + * + * Copyright The Mbed TLS Contributors + * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later + */ +/* + * The SHA-1 standard was published by NIST in 1993. + * + * http://www.itl.nist.gov/fipspubs/fip180-1.htm + */ + +#include "common.h" + +#if defined(MBEDTLS_SHA1_C) + +#include "mbedtls/sha1.h" +#include "mbedtls/platform_util.h" +#include "mbedtls/error.h" + +#include <string.h> + +#include "mbedtls/platform.h" + +#if !defined(MBEDTLS_SHA1_ALT) + +void mbedtls_sha1_init(mbedtls_sha1_context *ctx) +{ + memset(ctx, 0, sizeof(mbedtls_sha1_context)); +} + +void mbedtls_sha1_free(mbedtls_sha1_context *ctx) +{ + if (ctx == NULL) { + return; + } + + mbedtls_platform_zeroize(ctx, sizeof(mbedtls_sha1_context)); +} + +void mbedtls_sha1_clone(mbedtls_sha1_context *dst, + const mbedtls_sha1_context *src) +{ + *dst = *src; +} + +/* + * SHA-1 context setup + */ +int mbedtls_sha1_starts(mbedtls_sha1_context *ctx) +{ + ctx->total[0] = 0; + ctx->total[1] = 0; + + ctx->state[0] = 0x67452301; + ctx->state[1] = 0xEFCDAB89; + ctx->state[2] = 0x98BADCFE; + ctx->state[3] = 0x10325476; + ctx->state[4] = 0xC3D2E1F0; + + return 0; +} + +#if !defined(MBEDTLS_SHA1_PROCESS_ALT) +int mbedtls_internal_sha1_process(mbedtls_sha1_context *ctx, + const unsigned char data[64]) +{ + struct { + uint32_t temp, W[16], A, B, C, D, E; + } local; + + local.W[0] = MBEDTLS_GET_UINT32_BE(data, 0); + local.W[1] = MBEDTLS_GET_UINT32_BE(data, 4); + local.W[2] = MBEDTLS_GET_UINT32_BE(data, 8); + local.W[3] = MBEDTLS_GET_UINT32_BE(data, 12); + local.W[4] = MBEDTLS_GET_UINT32_BE(data, 16); + local.W[5] = MBEDTLS_GET_UINT32_BE(data, 20); + local.W[6] = MBEDTLS_GET_UINT32_BE(data, 24); + local.W[7] = MBEDTLS_GET_UINT32_BE(data, 28); + local.W[8] = MBEDTLS_GET_UINT32_BE(data, 32); + local.W[9] = MBEDTLS_GET_UINT32_BE(data, 36); + local.W[10] = MBEDTLS_GET_UINT32_BE(data, 40); + local.W[11] = MBEDTLS_GET_UINT32_BE(data, 44); + local.W[12] = MBEDTLS_GET_UINT32_BE(data, 48); + local.W[13] = MBEDTLS_GET_UINT32_BE(data, 52); + local.W[14] = MBEDTLS_GET_UINT32_BE(data, 56); + local.W[15] = MBEDTLS_GET_UINT32_BE(data, 60); + +#define S(x, n) (((x) << (n)) | (((x) & 0xFFFFFFFF) >> (32 - (n)))) + +#define R(t) \ + ( \ + local.temp = local.W[((t) - 3) & 0x0F] ^ \ + local.W[((t) - 8) & 0x0F] ^ \ + local.W[((t) - 14) & 0x0F] ^ \ + local.W[(t) & 0x0F], \ + (local.W[(t) & 0x0F] = S(local.temp, 1)) \ + ) + +#define P(a, b, c, d, e, x) \ + do \ + { \ + (e) += S((a), 5) + F((b), (c), (d)) + K + (x); \ + (b) = S((b), 30); \ + } while (0) + + local.A = ctx->state[0]; + local.B = ctx->state[1]; + local.C = ctx->state[2]; + local.D = ctx->state[3]; + local.E = ctx->state[4]; + +#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) +#define K 0x5A827999 + + P(local.A, local.B, local.C, local.D, local.E, local.W[0]); + P(local.E, local.A, local.B, local.C, local.D, local.W[1]); + P(local.D, local.E, local.A, local.B, local.C, local.W[2]); + P(local.C, local.D, local.E, local.A, local.B, local.W[3]); + P(local.B, local.C, local.D, local.E, local.A, local.W[4]); + P(local.A, local.B, local.C, local.D, local.E, local.W[5]); + P(local.E, local.A, local.B, local.C, local.D, local.W[6]); + P(local.D, local.E, local.A, local.B, local.C, local.W[7]); + P(local.C, local.D, local.E, local.A, local.B, local.W[8]); + P(local.B, local.C, local.D, local.E, local.A, local.W[9]); + P(local.A, local.B, local.C, local.D, local.E, local.W[10]); + P(local.E, local.A, local.B, local.C, local.D, local.W[11]); + P(local.D, local.E, local.A, local.B, local.C, local.W[12]); + P(local.C, local.D, local.E, local.A, local.B, local.W[13]); + P(local.B, local.C, local.D, local.E, local.A, local.W[14]); + P(local.A, local.B, local.C, local.D, local.E, local.W[15]); + P(local.E, local.A, local.B, local.C, local.D, R(16)); + P(local.D, local.E, local.A, local.B, local.C, R(17)); + P(local.C, local.D, local.E, local.A, local.B, R(18)); + P(local.B, local.C, local.D, local.E, local.A, R(19)); + +#undef K +#undef F + +#define F(x, y, z) ((x) ^ (y) ^ (z)) +#define K 0x6ED9EBA1 + + P(local.A, local.B, local.C, local.D, local.E, R(20)); + P(local.E, local.A, local.B, local.C, local.D, R(21)); + P(local.D, local.E, local.A, local.B, local.C, R(22)); + P(local.C, local.D, local.E, local.A, local.B, R(23)); + P(local.B, local.C, local.D, local.E, local.A, R(24)); + P(local.A, local.B, local.C, local.D, local.E, R(25)); + P(local.E, local.A, local.B, local.C, local.D, R(26)); + P(local.D, local.E, local.A, local.B, local.C, R(27)); + P(local.C, local.D, local.E, local.A, local.B, R(28)); + P(local.B, local.C, local.D, local.E, local.A, R(29)); + P(local.A, local.B, local.C, local.D, local.E, R(30)); + P(local.E, local.A, local.B, local.C, local.D, R(31)); + P(local.D, local.E, local.A, local.B, local.C, R(32)); + P(local.C, local.D, local.E, local.A, local.B, R(33)); + P(local.B, local.C, local.D, local.E, local.A, R(34)); + P(local.A, local.B, local.C, local.D, local.E, R(35)); + P(local.E, local.A, local.B, local.C, local.D, R(36)); + P(local.D, local.E, local.A, local.B, local.C, R(37)); + P(local.C, local.D, local.E, local.A, local.B, R(38)); + P(local.B, local.C, local.D, local.E, local.A, R(39)); + +#undef K +#undef F + +#define F(x, y, z) (((x) & (y)) | ((z) & ((x) | (y)))) +#define K 0x8F1BBCDC + + P(local.A, local.B, local.C, local.D, local.E, R(40)); + P(local.E, local.A, local.B, local.C, local.D, R(41)); + P(local.D, local.E, local.A, local.B, local.C, R(42)); + P(local.C, local.D, local.E, local.A, local.B, R(43)); + P(local.B, local.C, local.D, local.E, local.A, R(44)); + P(local.A, local.B, local.C, local.D, local.E, R(45)); + P(local.E, local.A, local.B, local.C, local.D, R(46)); + P(local.D, local.E, local.A, local.B, local.C, R(47)); + P(local.C, local.D, local.E, local.A, local.B, R(48)); + P(local.B, local.C, local.D, local.E, local.A, R(49)); + P(local.A, local.B, local.C, local.D, local.E, R(50)); + P(local.E, local.A, local.B, local.C, local.D, R(51)); + P(local.D, local.E, local.A, local.B, local.C, R(52)); + P(local.C, local.D, local.E, local.A, local.B, R(53)); + P(local.B, local.C, local.D, local.E, local.A, R(54)); + P(local.A, local.B, local.C, local.D, local.E, R(55)); + P(local.E, local.A, local.B, local.C, local.D, R(56)); + P(local.D, local.E, local.A, local.B, local.C, R(57)); + P(local.C, local.D, local.E, local.A, local.B, R(58)); + P(local.B, local.C, local.D, local.E, local.A, R(59)); + +#undef K +#undef F + +#define F(x, y, z) ((x) ^ (y) ^ (z)) +#define K 0xCA62C1D6 + + P(local.A, local.B, local.C, local.D, local.E, R(60)); + P(local.E, local.A, local.B, local.C, local.D, R(61)); + P(local.D, local.E, local.A, local.B, local.C, R(62)); + P(local.C, local.D, local.E, local.A, local.B, R(63)); + P(local.B, local.C, local.D, local.E, local.A, R(64)); + P(local.A, local.B, local.C, local.D, local.E, R(65)); + P(local.E, local.A, local.B, local.C, local.D, R(66)); + P(local.D, local.E, local.A, local.B, local.C, R(67)); + P(local.C, local.D, local.E, local.A, local.B, R(68)); + P(local.B, local.C, local.D, local.E, local.A, R(69)); + P(local.A, local.B, local.C, local.D, local.E, R(70)); + P(local.E, local.A, local.B, local.C, local.D, R(71)); + P(local.D, local.E, local.A, local.B, local.C, R(72)); + P(local.C, local.D, local.E, local.A, local.B, R(73)); + P(local.B, local.C, local.D, local.E, local.A, R(74)); + P(local.A, local.B, local.C, local.D, local.E, R(75)); + P(local.E, local.A, local.B, local.C, local.D, R(76)); + P(local.D, local.E, local.A, local.B, local.C, R(77)); + P(local.C, local.D, local.E, local.A, local.B, R(78)); + P(local.B, local.C, local.D, local.E, local.A, R(79)); + +#undef K +#undef F + + ctx->state[0] += local.A; + ctx->state[1] += local.B; + ctx->state[2] += local.C; + ctx->state[3] += local.D; + ctx->state[4] += local.E; + + /* Zeroise buffers and variables to clear sensitive data from memory. */ + mbedtls_platform_zeroize(&local, sizeof(local)); + + return 0; +} + +#endif /* !MBEDTLS_SHA1_PROCESS_ALT */ + +/* + * SHA-1 process buffer + */ +int mbedtls_sha1_update(mbedtls_sha1_context *ctx, + const unsigned char *input, + size_t ilen) +{ + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; + size_t fill; + uint32_t left; + + if (ilen == 0) { + return 0; + } + + left = ctx->total[0] & 0x3F; + fill = 64 - left; + + ctx->total[0] += (uint32_t) ilen; + ctx->total[0] &= 0xFFFFFFFF; + + if (ctx->total[0] < (uint32_t) ilen) { + ctx->total[1]++; + } + + if (left && ilen >= fill) { + memcpy((void *) (ctx->buffer + left), input, fill); + + if ((ret = mbedtls_internal_sha1_process(ctx, ctx->buffer)) != 0) { + return ret; + } + + input += fill; + ilen -= fill; + left = 0; + } + + while (ilen >= 64) { + if ((ret = mbedtls_internal_sha1_process(ctx, input)) != 0) { + return ret; + } + + input += 64; + ilen -= 64; + } + + if (ilen > 0) { + memcpy((void *) (ctx->buffer + left), input, ilen); + } + + return 0; +} + +/* + * SHA-1 final digest + */ +int mbedtls_sha1_finish(mbedtls_sha1_context *ctx, + unsigned char output[20]) +{ + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; + uint32_t used; + uint32_t high, low; + + /* + * Add padding: 0x80 then 0x00 until 8 bytes remain for the length + */ + used = ctx->total[0] & 0x3F; + + ctx->buffer[used++] = 0x80; + + if (used <= 56) { + /* Enough room for padding + length in current block */ + memset(ctx->buffer + used, 0, 56 - used); + } else { + /* We'll need an extra block */ + memset(ctx->buffer + used, 0, 64 - used); + + if ((ret = mbedtls_internal_sha1_process(ctx, ctx->buffer)) != 0) { + goto exit; + } + + memset(ctx->buffer, 0, 56); + } + + /* + * Add message length + */ + high = (ctx->total[0] >> 29) + | (ctx->total[1] << 3); + low = (ctx->total[0] << 3); + + MBEDTLS_PUT_UINT32_BE(high, ctx->buffer, 56); + MBEDTLS_PUT_UINT32_BE(low, ctx->buffer, 60); + + if ((ret = mbedtls_internal_sha1_process(ctx, ctx->buffer)) != 0) { + goto exit; + } + + /* + * Output final state + */ + MBEDTLS_PUT_UINT32_BE(ctx->state[0], output, 0); + MBEDTLS_PUT_UINT32_BE(ctx->state[1], output, 4); + MBEDTLS_PUT_UINT32_BE(ctx->state[2], output, 8); + MBEDTLS_PUT_UINT32_BE(ctx->state[3], output, 12); + MBEDTLS_PUT_UINT32_BE(ctx->state[4], output, 16); + + ret = 0; + +exit: + mbedtls_sha1_free(ctx); + return ret; +} + +#endif /* !MBEDTLS_SHA1_ALT */ + +/* + * output = SHA-1( input buffer ) + */ +int mbedtls_sha1(const unsigned char *input, + size_t ilen, + unsigned char output[20]) +{ + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; + mbedtls_sha1_context ctx; + + mbedtls_sha1_init(&ctx); + + if ((ret = mbedtls_sha1_starts(&ctx)) != 0) { + goto exit; + } + + if ((ret = mbedtls_sha1_update(&ctx, input, ilen)) != 0) { + goto exit; + } + + if ((ret = mbedtls_sha1_finish(&ctx, output)) != 0) { + goto exit; + } + +exit: + mbedtls_sha1_free(&ctx); + return ret; +} + +#if defined(MBEDTLS_SELF_TEST) +/* + * FIPS-180-1 test vectors + */ +static const unsigned char sha1_test_buf[3][57] = +{ + { "abc" }, + { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }, + { "" } +}; + +static const size_t sha1_test_buflen[3] = +{ + 3, 56, 1000 +}; + +static const unsigned char sha1_test_sum[3][20] = +{ + { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E, + 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D }, + { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE, + 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 }, + { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E, + 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F } +}; + +/* + * Checkup routine + */ +int mbedtls_sha1_self_test(int verbose) +{ + int i, j, buflen, ret = 0; + unsigned char buf[1024]; + unsigned char sha1sum[20]; + mbedtls_sha1_context ctx; + + mbedtls_sha1_init(&ctx); + + /* + * SHA-1 + */ + for (i = 0; i < 3; i++) { + if (verbose != 0) { + mbedtls_printf(" SHA-1 test #%d: ", i + 1); + } + + if ((ret = mbedtls_sha1_starts(&ctx)) != 0) { + goto fail; + } + + if (i == 2) { + memset(buf, 'a', buflen = 1000); + + for (j = 0; j < 1000; j++) { + ret = mbedtls_sha1_update(&ctx, buf, buflen); + if (ret != 0) { + goto fail; + } + } + } else { + ret = mbedtls_sha1_update(&ctx, sha1_test_buf[i], + sha1_test_buflen[i]); + if (ret != 0) { + goto fail; + } + } + + if ((ret = mbedtls_sha1_finish(&ctx, sha1sum)) != 0) { + goto fail; + } + + if (memcmp(sha1sum, sha1_test_sum[i], 20) != 0) { + ret = 1; + goto fail; + } + + if (verbose != 0) { + mbedtls_printf("passed\n"); + } + } + + if (verbose != 0) { + mbedtls_printf("\n"); + } + + goto exit; + +fail: + if (verbose != 0) { + mbedtls_printf("failed\n"); + } + +exit: + mbedtls_sha1_free(&ctx); + + return ret; +} + +#endif /* MBEDTLS_SELF_TEST */ + +#endif /* MBEDTLS_SHA1_C */ |