--- /dev/null
+/* $OpenBSD: md_test.c,v 1.1.1.1 2022/09/02 13:34:48 tb Exp $ */
+/*
+ * Copyright (c) 2022 Joshua Sing <joshua@hypera.dev>
+ *
+ * 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.
+ */
+
+#include <openssl/evp.h>
+#include <openssl/md4.h>
+#include <openssl/md5.h>
+
+#include <stdint.h>
+#include <string.h>
+
+struct md_test {
+ const int algorithm;
+ const uint8_t in[128];
+ const size_t in_len;
+ const uint8_t out[EVP_MAX_MD_SIZE];
+};
+
+static const struct md_test md_tests[] = {
+ /* MD4 (RFC 1320 test vectors) */
+ {
+ .algorithm = NID_md4,
+ .in = "",
+ .in_len = 0,
+ .out = {
+ 0x31, 0xd6, 0xcf, 0xe0, 0xd1, 0x6a, 0xe9, 0x31,
+ 0xb7, 0x3c, 0x59, 0xd7, 0xe0, 0xc0, 0x89, 0xc0,
+ }
+ },
+ {
+ .algorithm = NID_md4,
+ .in = "a",
+ .in_len = 1,
+ .out = {
+ 0xbd, 0xe5, 0x2c, 0xb3, 0x1d, 0xe3, 0x3e, 0x46,
+ 0x24, 0x5e, 0x05, 0xfb, 0xdb, 0xd6, 0xfb, 0x24,
+ }
+ },
+ {
+ .algorithm = NID_md4,
+ .in = "abc",
+ .in_len = 3,
+ .out = {
+ 0xa4, 0x48, 0x01, 0x7a, 0xaf, 0x21, 0xd8, 0x52,
+ 0x5f, 0xc1, 0x0a, 0xe8, 0x7a, 0xa6, 0x72, 0x9d,
+ }
+ },
+ {
+ .algorithm = NID_md4,
+ .in = "message digest",
+ .in_len = 14,
+ .out = {
+ 0xd9, 0x13, 0x0a, 0x81, 0x64, 0x54, 0x9f, 0xe8,
+ 0x18, 0x87, 0x48, 0x06, 0xe1, 0xc7, 0x01, 0x4b,
+ }
+ },
+ {
+ .algorithm = NID_md4,
+ .in = "abcdefghijklmnopqrstuvwxyz",
+ .in_len = 26,
+ .out = {
+ 0xd7, 0x9e, 0x1c, 0x30, 0x8a, 0xa5, 0xbb, 0xcd,
+ 0xee, 0xa8, 0xed, 0x63, 0xdf, 0x41, 0x2d, 0xa9,
+ }
+ },
+ {
+ .algorithm = NID_md4,
+ .in =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuv"
+ "wxyz0123456789",
+ .in_len = 62,
+ .out = {
+ 0x04, 0x3f, 0x85, 0x82, 0xf2, 0x41, 0xdb, 0x35,
+ 0x1c, 0xe6, 0x27, 0xe1, 0x53, 0xe7, 0xf0, 0xe4,
+ }
+ },
+ {
+ .algorithm = NID_md4,
+ .in =
+ "123456789012345678901234567890123456789012345678"
+ "90123456789012345678901234567890",
+ .in_len = 80,
+ .out = {
+ 0xe3, 0x3b, 0x4d, 0xdc, 0x9c, 0x38, 0xf2, 0x19,
+ 0x9c, 0x3e, 0x7b, 0x16, 0x4f, 0xcc, 0x05, 0x36,
+ }
+ },
+
+ /* MD5 (RFC 1321 test vectors) */
+ {
+ .algorithm = NID_md5,
+ .in = "",
+ .in_len = 0,
+ .out = {
+ 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04,
+ 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e,
+ }
+ },
+ {
+ .algorithm = NID_md5,
+ .in = "a",
+ .in_len = 1,
+ .out = {
+ 0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8,
+ 0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61,
+ }
+ },
+ {
+ .algorithm = NID_md5,
+ .in = "abc",
+ .in_len = 3,
+ .out = {
+ 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0,
+ 0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72,
+ }
+ },
+ {
+ .algorithm = NID_md5,
+ .in = "message digest",
+ .in_len = 14,
+ .out = {
+ 0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d,
+ 0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0,
+ }
+ },
+ {
+ .algorithm = NID_md5,
+ .in = "abcdefghijklmnopqrstuvwxyz",
+ .in_len = 26,
+ .out = {
+ 0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00,
+ 0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b,
+ }
+ },
+ {
+ .algorithm = NID_md5,
+ .in =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuv"
+ "wxyz0123456789",
+ .in_len = 62,
+ .out = {
+ 0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5,
+ 0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f,
+ }
+ },
+ {
+ .algorithm = NID_md5,
+ .in =
+ "123456789012345678901234567890123456789012345678"
+ "90123456789012345678901234567890",
+ .in_len = 80,
+ .out = {
+ 0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55,
+ 0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a,
+ }
+ },
+};
+
+#define N_MD_TESTS (sizeof(md_tests) / sizeof(md_tests[0]))
+
+typedef unsigned char *(*md_hash_func)(const unsigned char *, size_t,
+ unsigned char *);
+
+static int
+md_hash_from_algorithm(int algorithm, const char **out_label,
+ md_hash_func *out_func, const EVP_MD **out_md, size_t *out_len)
+{
+ switch (algorithm) {
+ case NID_md4:
+ *out_label = SN_md4;
+ *out_func = MD4;
+ *out_md = EVP_md4();
+ *out_len = MD4_DIGEST_LENGTH;
+ break;
+ case NID_md5:
+ *out_label = SN_md5;
+ *out_func = MD5;
+ *out_md = EVP_md5();
+ *out_len = MD5_DIGEST_LENGTH;
+ break;
+ default:
+ fprintf(stderr, "FAIL: unknown algorithm (%d)\n",
+ algorithm);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int
+md_test(void)
+{
+ unsigned char *(*md_func)(const unsigned char *, size_t, unsigned char *);
+ const struct md_test *st;
+ EVP_MD_CTX *hash = NULL;
+ const EVP_MD *md;
+ uint8_t out[EVP_MAX_MD_SIZE];
+ size_t in_len, out_len;
+ size_t i;
+ const char *label;
+ int failed = 1;
+
+ if ((hash = EVP_MD_CTX_new()) == NULL) {
+ fprintf(stderr, "FAIL: EVP_MD_CTX_new() failed\n");
+ goto failed;
+ }
+
+ for (i = 0; i < N_MD_TESTS; i++) {
+ st = &md_tests[i];
+ if (!md_hash_from_algorithm(st->algorithm, &label, &md_func,
+ &md, &out_len))
+ goto failed;
+
+ /* Digest */
+ memset(out, 0, sizeof(out));
+ md_func(st->in, st->in_len, out);
+ if (memcmp(st->out, out, out_len) != 0) {
+ fprintf(stderr, "FAIL (%s): mismatch\n", label);
+ goto failed;
+ }
+
+ /* EVP single-shot digest */
+ memset(out, 0, sizeof(out));
+ if (!EVP_Digest(st->in, st->in_len, out, NULL, md, NULL)) {
+ fprintf(stderr, "FAIL (%s): EVP_Digest failed\n",
+ label);
+ goto failed;
+ }
+
+ if (memcmp(st->out, out, out_len) != 0) {
+ fprintf(stderr, "FAIL (%s): EVP single-shot mismatch\n",
+ label);
+ goto failed;
+ }
+
+ /* EVP digest */
+ memset(out, 0, sizeof(out));
+ if (!EVP_DigestInit_ex(hash, md, NULL)) {
+ fprintf(stderr, "FAIL (%s): EVP_DigestInit_ex failed\n",
+ label);
+ goto failed;
+ }
+
+ in_len = st->in_len / 2;
+ if (!EVP_DigestUpdate(hash, st->in, in_len)) {
+ fprintf(stderr,
+ "FAIL (%s): EVP_DigestUpdate first half failed\n",
+ label);
+ goto failed;
+ }
+
+ if (!EVP_DigestUpdate(hash, st->in + in_len,
+ st->in_len - in_len)) {
+ fprintf(stderr,
+ "FAIL (%s): EVP_DigestUpdate second half failed\n",
+ label);
+ goto failed;
+ }
+
+ if (!EVP_DigestFinal_ex(hash, out, NULL)) {
+ fprintf(stderr,
+ "FAIL (%s): EVP_DigestFinal_ex failed\n",
+ label);
+ goto failed;
+ }
+
+ if (memcmp(st->out, out, out_len) != 0) {
+ fprintf(stderr, "FAIL (%s): EVP mismatch\n", label);
+ goto failed;
+ }
+ }
+
+ failed = 0;
+
+ failed:
+ EVP_MD_CTX_free(hash);
+ return failed;
+}
+
+int
+main(int argc, char **argv)
+{
+ int failed = 0;
+
+ failed |= md_test();
+
+ return failed;
+}
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