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-rw-r--r--openssl/crypto/hmac/Makefile2
-rw-r--r--openssl/crypto/hmac/hmac.c19
-rw-r--r--openssl/crypto/hmac/hmactest.c179
3 files changed, 191 insertions, 9 deletions
diff --git a/openssl/crypto/hmac/Makefile b/openssl/crypto/hmac/Makefile
index 0e91709f6..52e39e586 100644
--- a/openssl/crypto/hmac/Makefile
+++ b/openssl/crypto/hmac/Makefile
@@ -61,6 +61,8 @@ tests:
lint:
lint -DLINT $(INCLUDES) $(SRC)>fluff
+update: depend
+
depend:
@[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile...
$(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
diff --git a/openssl/crypto/hmac/hmac.c b/openssl/crypto/hmac/hmac.c
index 1fc9e2c3f..51a0a3efc 100644
--- a/openssl/crypto/hmac/hmac.c
+++ b/openssl/crypto/hmac/hmac.c
@@ -97,12 +97,18 @@ int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
return FIPS_hmac_init_ex(ctx, key, len, md, NULL);
}
#endif
+ /* If we are changing MD then we must have a key */
+ if (md != NULL && md != ctx->md && (key == NULL || len < 0))
+ return 0;
if (md != NULL) {
reset = 1;
ctx->md = md;
- } else
+ } else if (ctx->md) {
md = ctx->md;
+ } else {
+ return 0;
+ }
if (key != NULL) {
reset = 1;
@@ -117,7 +123,8 @@ int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
&ctx->key_length))
goto err;
} else {
- OPENSSL_assert(len >= 0 && len <= (int)sizeof(ctx->key));
+ if (len < 0 || len > (int)sizeof(ctx->key))
+ return 0;
memcpy(ctx->key, key, len);
ctx->key_length = len;
}
@@ -161,6 +168,9 @@ int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len)
if (FIPS_mode() && !ctx->i_ctx.engine)
return FIPS_hmac_update(ctx, data, len);
#endif
+ if (!ctx->md)
+ return 0;
+
return EVP_DigestUpdate(&ctx->md_ctx, data, len);
}
@@ -173,6 +183,9 @@ int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
return FIPS_hmac_final(ctx, md, len);
#endif
+ if (!ctx->md)
+ goto err;
+
if (!EVP_DigestFinal_ex(&ctx->md_ctx, buf, &i))
goto err;
if (!EVP_MD_CTX_copy_ex(&ctx->md_ctx, &ctx->o_ctx))
@@ -191,6 +204,7 @@ void HMAC_CTX_init(HMAC_CTX *ctx)
EVP_MD_CTX_init(&ctx->i_ctx);
EVP_MD_CTX_init(&ctx->o_ctx);
EVP_MD_CTX_init(&ctx->md_ctx);
+ ctx->md = NULL;
}
int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx)
@@ -242,6 +256,7 @@ unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
HMAC_CTX_cleanup(&c);
return md;
err:
+ HMAC_CTX_cleanup(&c);
return NULL;
}
diff --git a/openssl/crypto/hmac/hmactest.c b/openssl/crypto/hmac/hmactest.c
index 3d130a03e..271d0ebf2 100644
--- a/openssl/crypto/hmac/hmactest.c
+++ b/openssl/crypto/hmac/hmactest.c
@@ -85,7 +85,7 @@ static struct test_st {
unsigned char data[64];
int data_len;
unsigned char *digest;
-} test[4] = {
+} test[8] = {
{
"", 0, "More text test vectors to stuff up EBCDIC machines :-)", 54,
(unsigned char *)"e9139d1e6ee064ef8cf514fc7dc83e86",
@@ -113,10 +113,27 @@ static struct test_st {
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd
}, 50, (unsigned char *)"56be34521d144c88dbb8c733f0e8b3f6",
},
+ {
+ "", 0, "My test data", 12,
+ (unsigned char *)"61afdecb95429ef494d61fdee15990cabf0826fc"
+ },
+ {
+ "", 0, "My test data", 12,
+ (unsigned char *)"2274b195d90ce8e03406f4b526a47e0787a88a65479938f1a5baa3ce0f079776"
+ },
+ {
+ "123456", 6, "My test data", 12,
+ (unsigned char *)"bab53058ae861a7f191abe2d0145cbb123776a6369ee3f9d79ce455667e411dd"
+ },
+ {
+ "12345", 5, "My test data again", 12,
+ (unsigned char *)"7dbe8c764c068e3bcd6e6b0fbcd5e6fc197b15bb"
+ }
};
# endif
-static char *pt(unsigned char *md);
+static char *pt(unsigned char *md, unsigned int len);
+
int main(int argc, char *argv[])
{
# ifndef OPENSSL_NO_MD5
@@ -124,6 +141,9 @@ int main(int argc, char *argv[])
char *p;
# endif
int err = 0;
+ HMAC_CTX ctx, ctx2;
+ unsigned char buf[EVP_MAX_MD_SIZE];
+ unsigned int len;
# ifdef OPENSSL_NO_MD5
printf("test skipped: MD5 disabled\n");
@@ -139,27 +159,172 @@ int main(int argc, char *argv[])
for (i = 0; i < 4; i++) {
p = pt(HMAC(EVP_md5(),
test[i].key, test[i].key_len,
- test[i].data, test[i].data_len, NULL, NULL));
+ test[i].data, test[i].data_len, NULL, NULL),
+ MD5_DIGEST_LENGTH);
if (strcmp(p, (char *)test[i].digest) != 0) {
- printf("error calculating HMAC on %d entry'\n", i);
+ printf("Error calculating HMAC on %d entry'\n", i);
printf("got %s instead of %s\n", p, test[i].digest);
err++;
} else
printf("test %d ok\n", i);
}
# endif /* OPENSSL_NO_MD5 */
+
+/* test4 */
+ HMAC_CTX_init(&ctx);
+ if (HMAC_Init_ex(&ctx, NULL, 0, NULL, NULL)) {
+ printf("Should fail to initialise HMAC with empty MD and key (test 4)\n");
+ err++;
+ goto test5;
+ }
+ if (HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
+ printf("Should fail HMAC_Update with ctx not set up (test 4)\n");
+ err++;
+ goto test5;
+ }
+ if (HMAC_Init_ex(&ctx, NULL, 0, EVP_sha1(), NULL)) {
+ printf("Should fail to initialise HMAC with empty key (test 4)\n");
+ err++;
+ goto test5;
+ }
+ if (HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
+ printf("Should fail HMAC_Update with ctx not set up (test 4)\n");
+ err++;
+ goto test5;
+ }
+ printf("test 4 ok\n");
+test5:
+ HMAC_CTX_init(&ctx);
+ if (HMAC_Init_ex(&ctx, test[4].key, test[4].key_len, NULL, NULL)) {
+ printf("Should fail to initialise HMAC with empty MD (test 5)\n");
+ err++;
+ goto test6;
+ }
+ if (HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
+ printf("Should fail HMAC_Update with ctx not set up (test 5)\n");
+ err++;
+ goto test6;
+ }
+ if (HMAC_Init_ex(&ctx, test[4].key, -1, EVP_sha1(), NULL)) {
+ printf("Should fail to initialise HMAC with invalid key len(test 5)\n");
+ err++;
+ goto test6;
+ }
+ if (!HMAC_Init_ex(&ctx, test[4].key, test[4].key_len, EVP_sha1(), NULL)) {
+ printf("Failed to initialise HMAC (test 5)\n");
+ err++;
+ goto test6;
+ }
+ if (!HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
+ printf("Error updating HMAC with data (test 5)\n");
+ err++;
+ goto test6;
+ }
+ if (!HMAC_Final(&ctx, buf, &len)) {
+ printf("Error finalising data (test 5)\n");
+ err++;
+ goto test6;
+ }
+ p = pt(buf, len);
+ if (strcmp(p, (char *)test[4].digest) != 0) {
+ printf("Error calculating interim HMAC on test 5\n");
+ printf("got %s instead of %s\n", p, test[4].digest);
+ err++;
+ goto test6;
+ }
+ if (HMAC_Init_ex(&ctx, NULL, 0, EVP_sha256(), NULL)) {
+ printf("Should disallow changing MD without a new key (test 5)\n");
+ err++;
+ goto test6;
+ }
+ if (!HMAC_Init_ex(&ctx, test[4].key, test[4].key_len, EVP_sha256(), NULL)) {
+ printf("Failed to reinitialise HMAC (test 5)\n");
+ err++;
+ goto test6;
+ }
+ if (!HMAC_Update(&ctx, test[5].data, test[5].data_len)) {
+ printf("Error updating HMAC with data (sha256) (test 5)\n");
+ err++;
+ goto test6;
+ }
+ if (!HMAC_Final(&ctx, buf, &len)) {
+ printf("Error finalising data (sha256) (test 5)\n");
+ err++;
+ goto test6;
+ }
+ p = pt(buf, len);
+ if (strcmp(p, (char *)test[5].digest) != 0) {
+ printf("Error calculating 2nd interim HMAC on test 5\n");
+ printf("got %s instead of %s\n", p, test[5].digest);
+ err++;
+ goto test6;
+ }
+ if (!HMAC_Init_ex(&ctx, test[6].key, test[6].key_len, NULL, NULL)) {
+ printf("Failed to reinitialise HMAC with key (test 5)\n");
+ err++;
+ goto test6;
+ }
+ if (!HMAC_Update(&ctx, test[6].data, test[6].data_len)) {
+ printf("Error updating HMAC with data (new key) (test 5)\n");
+ err++;
+ goto test6;
+ }
+ if (!HMAC_Final(&ctx, buf, &len)) {
+ printf("Error finalising data (new key) (test 5)\n");
+ err++;
+ goto test6;
+ }
+ p = pt(buf, len);
+ if (strcmp(p, (char *)test[6].digest) != 0) {
+ printf("error calculating HMAC on test 5\n");
+ printf("got %s instead of %s\n", p, test[6].digest);
+ err++;
+ } else {
+ printf("test 5 ok\n");
+ }
+test6:
+ HMAC_CTX_init(&ctx);
+ if (!HMAC_Init_ex(&ctx, test[7].key, test[7].key_len, EVP_sha1(), NULL)) {
+ printf("Failed to initialise HMAC (test 6)\n");
+ err++;
+ goto end;
+ }
+ if (!HMAC_Update(&ctx, test[7].data, test[7].data_len)) {
+ printf("Error updating HMAC with data (test 6)\n");
+ err++;
+ goto end;
+ }
+ if (!HMAC_CTX_copy(&ctx2, &ctx)) {
+ printf("Failed to copy HMAC_CTX (test 6)\n");
+ err++;
+ goto end;
+ }
+ if (!HMAC_Final(&ctx2, buf, &len)) {
+ printf("Error finalising data (test 6)\n");
+ err++;
+ goto end;
+ }
+ p = pt(buf, len);
+ if (strcmp(p, (char *)test[7].digest) != 0) {
+ printf("Error calculating HMAC on test 6\n");
+ printf("got %s instead of %s\n", p, test[7].digest);
+ err++;
+ } else {
+ printf("test 6 ok\n");
+ }
+end:
EXIT(err);
return (0);
}
# ifndef OPENSSL_NO_MD5
-static char *pt(unsigned char *md)
+static char *pt(unsigned char *md, unsigned int len)
{
- int i;
+ unsigned int i;
static char buf[80];
- for (i = 0; i < MD5_DIGEST_LENGTH; i++)
+ for (i = 0; i < len; i++)
sprintf(&(buf[i * 2]), "%02x", md[i]);
return (buf);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 16:55:10 +0000