| /**************************************************************************** |
| * apps/testing/drivers/crypto/hash.c |
| * |
| * SPDX-License-Identifier: ISC |
| * |
| * Permission to use, copy, modify, and distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <err.h> |
| #include <stdio.h> |
| #include <fcntl.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <sys/ioctl.h> |
| #include <sys/param.h> |
| #include <crypto/cryptodev.h> |
| #include <crypto/md5.h> |
| #include <crypto/sha1.h> |
| #include <crypto/sha2.h> |
| |
| #ifdef CONFIG_TESTING_CRYPTO_HASH_HUGE_BLOCK |
| # define HASH_HUGE_BLOCK_SIZE (600 * 1024) /* 600k */ |
| #endif |
| |
| typedef struct crypto_context |
| { |
| int fd; |
| int crypto_fd; |
| struct session_op session; |
| struct crypt_op cryp; |
| } |
| crypto_context; |
| |
| typedef struct tb |
| { |
| FAR char *data; |
| int datalen; |
| } |
| tb; |
| |
| tb md5_testcase[] = |
| { |
| { |
| "", |
| 0, |
| }, |
| { |
| "a", |
| 1, |
| }, |
| { |
| "abc", |
| 3, |
| }, |
| { |
| "message digest", |
| 14, |
| }, |
| { |
| "abcdefghijklmnopqrstuvwxyz", |
| 26, |
| }, |
| { |
| "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", |
| 62, |
| }, |
| { |
| "123456789012345678901234567890123456789" |
| "01234567890123456789012345678901234567890", |
| 80, |
| } |
| }; |
| |
| tb sha_testcase[] = |
| { |
| { |
| "abc", |
| 3, |
| }, |
| { |
| "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", |
| 56, |
| }, |
| { |
| "", |
| 1000, |
| } |
| }; |
| |
| tb sha512_testcase[] = |
| { |
| { |
| "abc", |
| 3, |
| }, |
| { |
| "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnh" |
| "ijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", |
| 112, |
| }, |
| { |
| "", |
| 1000, |
| } |
| }; |
| |
| /* RFC 1321 test vectors */ |
| |
| static const unsigned char md5_result[7][16] = |
| { |
| { 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, |
| 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e }, |
| { 0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8, |
| 0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61 }, |
| { 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, |
| 0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72 }, |
| { 0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d, |
| 0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0 }, |
| { 0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00, |
| 0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b }, |
| { 0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5, |
| 0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f }, |
| { 0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55, |
| 0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a } |
| }; |
| |
| /* FIPS-180-1 test vectors */ |
| |
| static const unsigned char sha1_result[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 } |
| }; |
| |
| /* FIPS-180-2 test vectors */ |
| |
| static const unsigned char sha256_result[3][32] = |
| { |
| { 0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, |
| 0x41, 0x41, 0x40, 0xde, 0x5d, 0xae, 0x22, 0x23, |
| 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c, |
| 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad }, |
| { 0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, |
| 0xe5, 0xc0, 0x26, 0x93, 0x0c, 0x3e, 0x60, 0x39, |
| 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67, |
| 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1 }, |
| { 0xcd, 0xc7, 0x6e, 0x5c, 0x99, 0x14, 0xfb, 0x92, |
| 0x81, 0xa1, 0xc7, 0xe2, 0x84, 0xd7, 0x3e, 0x67, |
| 0xf1, 0x80, 0x9a, 0x48, 0xa4, 0x97, 0x20, 0x0e, |
| 0x04, 0x6d, 0x39, 0xcc, 0xc7, 0x11, 0x2c, 0xd0 } |
| }; |
| |
| /* FIPS-180-2 test vectors */ |
| |
| static const unsigned char sha512_result[3][64] = |
| { |
| { 0xdd, 0xaf, 0x35, 0xa1, 0x93, 0x61, 0x7a, 0xba, |
| 0xcc, 0x41, 0x73, 0x49, 0xae, 0x20, 0x41, 0x31, |
| 0x12, 0xe6, 0xfa, 0x4e, 0x89, 0xa9, 0x7e, 0xa2, |
| 0x0a, 0x9e, 0xee, 0xe6, 0x4b, 0x55, 0xd3, 0x9a, |
| 0x21, 0x92, 0x99, 0x2a, 0x27, 0x4f, 0xc1, 0xa8, |
| 0x36, 0xba, 0x3c, 0x23, 0xa3, 0xfe, 0xeb, 0xbd, |
| 0x45, 0x4d, 0x44, 0x23, 0x64, 0x3c, 0xe8, 0x0e, |
| 0x2a, 0x9a, 0xc9, 0x4f, 0xa5, 0x4c, 0xa4, 0x9f }, |
| { 0x8e, 0x95, 0x9b, 0x75, 0xda, 0xe3, 0x13, 0xda, |
| 0x8c, 0xf4, 0xf7, 0x28, 0x14, 0xfc, 0x14, 0x3f, |
| 0x8f, 0x77, 0x79, 0xc6, 0xeb, 0x9f, 0x7f, 0xa1, |
| 0x72, 0x99, 0xae, 0xad, 0xb6, 0x88, 0x90, 0x18, |
| 0x50, 0x1d, 0x28, 0x9e, 0x49, 0x00, 0xf7, 0xe4, |
| 0x33, 0x1b, 0x99, 0xde, 0xc4, 0xb5, 0x43, 0x3a, |
| 0xc7, 0xd3, 0x29, 0xee, 0xb6, 0xdd, 0x26, 0x54, |
| 0x5e, 0x96, 0xe5, 0x5b, 0x87, 0x4b, 0xe9, 0x09 }, |
| { 0xe7, 0x18, 0x48, 0x3d, 0x0c, 0xe7, 0x69, 0x64, |
| 0x4e, 0x2e, 0x42, 0xc7, 0xbc, 0x15, 0xb4, 0x63, |
| 0x8e, 0x1f, 0x98, 0xb1, 0x3b, 0x20, 0x44, 0x28, |
| 0x56, 0x32, 0xa8, 0x03, 0xaf, 0xa9, 0x73, 0xeb, |
| 0xde, 0x0f, 0xf2, 0x44, 0x87, 0x7e, 0xa6, 0x0a, |
| 0x4c, 0xb0, 0x43, 0x2c, 0xe5, 0x77, 0xc3, 0x1b, |
| 0xeb, 0x00, 0x9c, 0x5c, 0x2c, 0x49, 0xaa, 0x2e, |
| 0x4e, 0xad, 0xb2, 0x17, 0xad, 0x8c, 0xc0, 0x9b } |
| }; |
| |
| #ifdef CONFIG_TESTING_CRYPTO_HASH_HUGE_BLOCK |
| static const unsigned char md5_huge_block_result[16] = |
| { |
| 0xef, 0x6d, 0xcc, 0xc8, 0xe1, 0xcc, 0x7f, 0x08, |
| 0xc2, 0x71, 0xd4, 0xc4, 0xe0, 0x13, 0xa3, 0x9b |
| }; |
| |
| static const unsigned char sha1_huge_block_result[20] = |
| { |
| 0xf2, 0x35, 0x65, 0x81, 0x79, 0x4d, 0xac, 0x20, 0x79, 0x7b, |
| 0xff, 0x38, 0xee, 0x2b, 0xdc, 0x44, 0x24, 0xd3, 0xf0, 0x4a |
| }; |
| |
| static const unsigned char sha256_huge_block_result[32] = |
| { |
| 0x79, 0xb1, 0xf2, 0x65, 0x7e, 0x33, 0x25, 0xff, |
| 0x16, 0xdb, 0x5d, 0x3c, 0x65, 0xa4, 0x7b, 0x78, |
| 0x0d, 0xd5, 0xa1, 0x45, 0xb5, 0x30, 0xe0, 0x91, |
| 0x54, 0x01, 0x40, 0x0c, 0xff, 0x35, 0x1d, 0xd3 |
| }; |
| |
| static const unsigned char sha512_huge_block_result[64] = |
| { |
| 0xa4, 0x3a, 0x66, 0xe8, 0xf7, 0x59, 0x95, 0x6d, |
| 0x09, 0x55, 0xdd, 0xad, 0x84, 0x7c, 0xd5, 0xe7, |
| 0xd2, 0xbe, 0xac, 0x49, 0xa9, 0x4b, 0xa3, 0x72, |
| 0xe1, 0x92, 0xa0, 0x70, 0x83, 0x17, 0x85, 0x5e, |
| 0x90, 0x9e, 0x1d, 0x91, 0x6a, 0x93, 0xd9, 0xae, |
| 0xb8, 0x1a, 0x43, 0xb5, 0x51, 0x53, 0x10, 0xf1, |
| 0xce, 0x3a, 0xcf, 0xb6, 0x9c, 0x8b, 0x6e, 0x07, |
| 0x13, 0xca, 0xe1, 0x94, 0x3c, 0x41, 0x50, 0xcc |
| }; |
| #endif |
| |
| static void syshash_free(FAR crypto_context *ctx) |
| { |
| if (ctx->crypto_fd != 0) |
| { |
| close(ctx->crypto_fd); |
| ctx->crypto_fd = 0; |
| } |
| |
| if (ctx->fd != 0) |
| { |
| close(ctx->fd); |
| ctx->fd = 0; |
| } |
| } |
| |
| static int syshash_init(FAR crypto_context *ctx) |
| { |
| memset(ctx, 0, sizeof(crypto_context)); |
| if ((ctx->fd = open("/dev/crypto", O_RDWR, 0)) < 0) |
| { |
| warn("CRIOGET"); |
| syshash_free(ctx); |
| return 1; |
| } |
| |
| if (ioctl(ctx->fd, CRIOGET, &ctx->crypto_fd) == -1) |
| { |
| warn("CRIOGET"); |
| syshash_free(ctx); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| static int syshash_start(FAR crypto_context *ctx, int mac) |
| { |
| ctx->session.mac = mac; |
| if (ioctl(ctx->crypto_fd, CIOCGSESSION, &ctx->session) == -1) |
| { |
| warn("CIOCGSESSION"); |
| syshash_free(ctx); |
| return 1; |
| } |
| |
| ctx->cryp.ses = ctx->session.ses; |
| return 0; |
| } |
| |
| static int syshash_update(FAR crypto_context *ctx, FAR const char *s, |
| size_t len) |
| { |
| ctx->cryp.op = COP_ENCRYPT; |
| ctx->cryp.flags |= COP_FLAG_UPDATE; |
| ctx->cryp.src = (caddr_t) s; |
| ctx->cryp.len = len; |
| if (ioctl(ctx->crypto_fd, CIOCCRYPT, &ctx->cryp) == -1) |
| { |
| warn("CIOCCRYPT"); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| static int syshash_finish(FAR crypto_context *ctx, FAR unsigned char *out) |
| { |
| ctx->cryp.flags = 0; |
| ctx->cryp.mac = (caddr_t) out; |
| |
| if (ioctl(ctx->crypto_fd, CIOCCRYPT, &ctx->cryp) == -1) |
| { |
| warn("CIOCCRYPT"); |
| return 1; |
| } |
| |
| if (ioctl(ctx->crypto_fd, CIOCFSESSION, &ctx->session.ses) == -1) |
| { |
| warn("CIOCFSESSION"); |
| return 1; |
| }; |
| |
| return 0; |
| } |
| |
| static int match(const unsigned char *a, const unsigned char *b, size_t len) |
| { |
| int i; |
| |
| if (memcmp(a, b, len) == 0) |
| { |
| return 0; |
| } |
| |
| warnx("hash mismatch"); |
| |
| for (i = 0; i < len; i++) |
| { |
| printf("%02x", a[i]); |
| } |
| |
| printf("\n"); |
| for (i = 0; i < len; i++) |
| { |
| printf("%02x", b[i]); |
| } |
| |
| printf("\n"); |
| |
| return 1; |
| } |
| |
| #ifdef CONFIG_TESTING_CRYPTO_HASH_HUGE_BLOCK |
| static int testing_hash_huge_block(crypto_context *ctx, int op, |
| FAR const unsigned char *block, size_t len, |
| FAR const unsigned char *result, size_t reslen) |
| { |
| int ret = 0; |
| unsigned char output[64]; |
| |
| ret = syshash_start(ctx, op); |
| if (ret != 0) |
| { |
| return ret; |
| } |
| |
| ret = syshash_update(ctx, (char *)block, len); |
| if (ret != 0) |
| { |
| return ret; |
| } |
| |
| ret = syshash_finish(ctx, output); |
| if (ret != 0) |
| { |
| return ret; |
| } |
| |
| return match(result, output, reslen); |
| } |
| #endif |
| |
| /**************************************************************************** |
| * Public Functions |
| ****************************************************************************/ |
| |
| int main(void) |
| { |
| crypto_context md5_ctx; |
| crypto_context sha1_ctx; |
| crypto_context sha2_256_ctx; |
| crypto_context sha2_512_ctx; |
| unsigned char output[64]; |
| unsigned char buf[1024]; |
| int ret = 0; |
| int i; |
| int j; |
| |
| ret += syshash_init(&md5_ctx); |
| ret += syshash_init(&sha1_ctx); |
| ret += syshash_init(&sha2_256_ctx); |
| ret += syshash_init(&sha2_512_ctx); |
| if (ret != 0) |
| { |
| printf("syshash init failed\n"); |
| } |
| |
| for (i = 0; i < nitems(md5_testcase); i++) |
| { |
| ret = syshash_start(&md5_ctx, CRYPTO_MD5); |
| if (ret != 0) |
| { |
| printf("syshash md5 start failed\n"); |
| goto err; |
| } |
| |
| ret = syshash_update(&md5_ctx, md5_testcase[i].data, |
| md5_testcase[i].datalen); |
| if (ret) |
| { |
| printf("syshash md5 update failed\n"); |
| goto err; |
| } |
| |
| ret = syshash_finish(&md5_ctx, output); |
| if (ret) |
| { |
| printf("syshash md5 finish failed\n"); |
| goto err; |
| } |
| |
| ret = match(md5_result[i], output, MD5_DIGEST_LENGTH); |
| if (ret) |
| { |
| printf("match md5 failed\n"); |
| goto err; |
| } |
| else |
| { |
| printf("hash md5 success\n"); |
| } |
| } |
| |
| for (i = 0; i < nitems(sha_testcase); i++) |
| { |
| ret = syshash_start(&sha1_ctx, CRYPTO_SHA1); |
| if (ret != 0) |
| { |
| printf("syshash sha1 start failed\n"); |
| goto err; |
| } |
| |
| if (i == 2) |
| { |
| memset(buf, 'a', sha_testcase[i].datalen); |
| for (j = 0; j < 1000; j++) |
| { |
| ret = syshash_update(&sha1_ctx, (char *)buf, |
| sha_testcase[i].datalen); |
| if (ret) |
| { |
| break; |
| } |
| } |
| } |
| else |
| { |
| ret = syshash_update(&sha1_ctx, sha_testcase[i].data, |
| sha_testcase[i].datalen); |
| } |
| |
| if (ret) |
| { |
| printf("sha1 update failed\n"); |
| goto err; |
| } |
| |
| ret = syshash_finish(&sha1_ctx, output); |
| if (ret) |
| { |
| printf("sha1 finish failed\n"); |
| goto err; |
| } |
| |
| ret = match((unsigned char *)sha1_result[i], |
| (unsigned char *)output, |
| SHA1_DIGEST_LENGTH); |
| if (ret) |
| { |
| printf("match sha1 failed\n"); |
| goto err; |
| } |
| else |
| { |
| printf("hash sha1 success\n"); |
| } |
| } |
| |
| for (i = 0; i < nitems(sha_testcase); i++) |
| { |
| ret = syshash_start(&sha2_256_ctx, CRYPTO_SHA2_256); |
| if (ret != 0) |
| { |
| printf("sha256 start failed\n"); |
| goto err; |
| } |
| |
| if (i == 2) |
| { |
| memset(buf, 'a', sha_testcase[i].datalen); |
| for (j = 0; j < 1000; j++) |
| { |
| ret = syshash_update(&sha2_256_ctx, (char *)buf, |
| sha_testcase[i].datalen); |
| if (ret) |
| { |
| break; |
| } |
| } |
| } |
| else |
| { |
| ret = syshash_update(&sha2_256_ctx, sha_testcase[i].data, |
| sha_testcase[i].datalen); |
| } |
| |
| if (ret) |
| { |
| printf("sha256 update failed\n"); |
| goto err; |
| } |
| |
| ret = syshash_finish(&sha2_256_ctx, output); |
| if (ret) |
| { |
| printf("sha256 finish failed\n"); |
| } |
| |
| ret = match((unsigned char *)sha256_result[i], |
| (unsigned char *)output, |
| SHA256_DIGEST_LENGTH); |
| if (ret) |
| { |
| printf("match sha256 failed\n"); |
| } |
| else |
| { |
| printf("hash sha256 success\n"); |
| } |
| } |
| |
| for (i = 0; i < nitems(sha512_testcase); i++) |
| { |
| ret = syshash_start(&sha2_512_ctx, CRYPTO_SHA2_512); |
| if (ret != 0) |
| { |
| printf("sha512 start failed\n"); |
| goto err; |
| } |
| |
| if (i == 2) |
| { |
| memset(buf, 'a', sha512_testcase[i].datalen); |
| for (j = 0; j < 1000; j++) |
| { |
| ret = syshash_update(&sha2_512_ctx, (char *)buf, |
| sha512_testcase[i].datalen); |
| if (ret) |
| { |
| break; |
| } |
| } |
| } |
| else |
| { |
| ret = syshash_update(&sha2_512_ctx, sha512_testcase[i].data, |
| sha512_testcase[i].datalen); |
| } |
| |
| if (ret) |
| { |
| printf("sha512 update failed\n"); |
| goto err; |
| } |
| |
| ret = syshash_finish(&sha2_512_ctx, output); |
| if (ret) |
| { |
| printf("sha512 finish failed\n"); |
| goto err; |
| } |
| |
| ret = match((unsigned char *)sha512_result[i], |
| (unsigned char *)output, |
| SHA512_DIGEST_LENGTH); |
| if (ret) |
| { |
| printf("match sha512 failed\n"); |
| goto err; |
| } |
| else |
| { |
| printf("hash sha512 success\n"); |
| } |
| } |
| |
| #ifdef CONFIG_TESTING_CRYPTO_HASH_HUGE_BLOCK |
| unsigned char *huge_block; |
| huge_block = (unsigned char *)malloc(HASH_HUGE_BLOCK_SIZE); |
| if (huge_block == NULL) |
| { |
| printf("huge block test no memory\n"); |
| goto err; |
| } |
| |
| memset(huge_block, 'a', HASH_HUGE_BLOCK_SIZE); |
| ret = testing_hash_huge_block(&md5_ctx, CRYPTO_MD5, |
| huge_block, HASH_HUGE_BLOCK_SIZE, |
| md5_huge_block_result, |
| MD5_DIGEST_LENGTH); |
| if (ret != 0) |
| { |
| printf("md5 huge block test failed\n"); |
| } |
| else |
| { |
| printf("md5 huge block test success\n"); |
| } |
| |
| ret = testing_hash_huge_block(&sha1_ctx, CRYPTO_SHA1, |
| huge_block, HASH_HUGE_BLOCK_SIZE, |
| sha1_huge_block_result, |
| SHA1_DIGEST_LENGTH); |
| if (ret != 0) |
| { |
| printf("sha1 huge block test failed\n"); |
| } |
| else |
| { |
| printf("sha1 huge block test success\n"); |
| } |
| |
| ret = testing_hash_huge_block(&sha2_256_ctx, CRYPTO_SHA2_256, |
| huge_block, HASH_HUGE_BLOCK_SIZE, |
| sha256_huge_block_result, |
| SHA256_DIGEST_LENGTH); |
| if (ret != 0) |
| { |
| printf("sha256 huge block test failed\n"); |
| } |
| else |
| { |
| printf("sha256 huge block test success\n"); |
| } |
| |
| ret = testing_hash_huge_block(&sha2_512_ctx, CRYPTO_SHA2_512, |
| huge_block, HASH_HUGE_BLOCK_SIZE, |
| sha512_huge_block_result, |
| SHA512_DIGEST_LENGTH); |
| if (ret != 0) |
| { |
| printf("sha512 huge block test failed\n"); |
| } |
| else |
| { |
| printf("sha512 huge block test success\n"); |
| } |
| |
| free(huge_block); |
| #endif |
| |
| err: |
| syshash_free(&md5_ctx); |
| syshash_free(&sha1_ctx); |
| syshash_free(&sha2_256_ctx); |
| syshash_free(&sha2_512_ctx); |
| return 0; |
| } |
