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-rw-r--r--crypto/evp/p_lib.c2
-rw-r--r--crypto/kdf/sskdf.c8
-rw-r--r--crypto/kdf/tls1_prf.c2
-rw-r--r--crypto/modes/siv128.c3
-rw-r--r--include/openssl/core_names.h10
-rw-r--r--providers/common/macs/kmac_prov.c4
-rw-r--r--test/evp_kdf_test.c7
7 files changed, 25 insertions, 11 deletions
diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c
index 90e13f4854..bc573d0208 100644
--- a/crypto/evp/p_lib.c
+++ b/crypto/evp/p_lib.c
@@ -327,7 +327,7 @@ EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv,
OPENSSL_CTX *libctx =
prov == NULL ? NULL : ossl_provider_library_context(prov);
EVP_PKEY *ret = EVP_PKEY_new();
- EVP_MAC *cmac = EVP_MAC_fetch(libctx, "CMAC", NULL);
+ EVP_MAC *cmac = EVP_MAC_fetch(libctx, OSSL_MAC_NAME_CMAC, NULL);
EVP_MAC_CTX *cmctx = cmac != NULL ? EVP_MAC_CTX_new(cmac) : NULL;
OSSL_PARAM params[4];
size_t paramsn = 0;
diff --git a/crypto/kdf/sskdf.c b/crypto/kdf/sskdf.c
index 7e5a68be5e..a4a9abff5a 100644
--- a/crypto/kdf/sskdf.c
+++ b/crypto/kdf/sskdf.c
@@ -467,7 +467,7 @@ static int sskdf_derive(EVP_KDF_IMPL *impl, unsigned char *key, size_t keylen)
* block size?
*/
macname = EVP_MAC_name(impl->mac);
- if (strcmp(macname, "HMAC") == 0) {
+ if (strcmp(macname, OSSL_MAC_NAME_HMAC) == 0) {
/* H(x) = HMAC(x, salt, hash) */
if (impl->md == NULL) {
KDFerr(KDF_F_SSKDF_DERIVE, KDF_R_MISSING_MESSAGE_DIGEST);
@@ -476,12 +476,12 @@ static int sskdf_derive(EVP_KDF_IMPL *impl, unsigned char *key, size_t keylen)
default_salt_len = EVP_MD_block_size(impl->md);
if (default_salt_len <= 0)
return 0;
- } else if (strcmp(macname, "KMAC128") == 0
- || strcmp(macname, "KMAC256") == 0) {
+ } else if (strcmp(macname, OSSL_MAC_NAME_KMAC128) == 0
+ || strcmp(macname, OSSL_MAC_NAME_KMAC256) == 0) {
/* H(x) = KMACzzz(x, salt, custom) */
custom = kmac_custom_str;
custom_len = sizeof(kmac_custom_str);
- if (strcmp(macname, "KMAC128") == 0)
+ if (strcmp(macname, OSSL_MAC_NAME_KMAC128) == 0)
default_salt_len = SSKDF_KMAC128_DEFAULT_SALT_SIZE;
else
default_salt_len = SSKDF_KMAC256_DEFAULT_SALT_SIZE;
diff --git a/crypto/kdf/tls1_prf.c b/crypto/kdf/tls1_prf.c
index 1df201dd3f..b53c417737 100644
--- a/crypto/kdf/tls1_prf.c
+++ b/crypto/kdf/tls1_prf.c
@@ -243,7 +243,7 @@ static int tls1_prf_P_hash(const EVP_MD *md,
int mac_flags;
const char *mdname = EVP_MD_name(md);
- mac = EVP_MAC_fetch(NULL, "HMAC", NULL); /* Implicit fetch */
+ mac = EVP_MAC_fetch(NULL, OSSL_MAC_NAME_HMAC, NULL); /* Implicit fetch */
ctx_init = EVP_MAC_CTX_new(mac);
if (ctx_init == NULL)
goto err;
diff --git a/crypto/modes/siv128.c b/crypto/modes/siv128.c
index 04abea25c1..626d2f37ec 100644
--- a/crypto/modes/siv128.c
+++ b/crypto/modes/siv128.c
@@ -186,7 +186,8 @@ int CRYPTO_siv128_init(SIV128_CONTEXT *ctx, const unsigned char *key, int klen,
if (key == NULL || cbc == NULL || ctr == NULL
|| (ctx->cipher_ctx = EVP_CIPHER_CTX_new()) == NULL
/* TODO(3.0) library context */
- || (ctx->mac = EVP_MAC_fetch(NULL, "CMAC", NULL)) == NULL
+ || (ctx->mac =
+ EVP_MAC_fetch(NULL, OSSL_MAC_NAME_CMAC, NULL)) == NULL
|| (ctx->mac_ctx_init = EVP_MAC_CTX_new(ctx->mac)) == NULL
|| !EVP_MAC_CTX_set_params(ctx->mac_ctx_init, params)
|| !EVP_EncryptInit_ex(ctx->cipher_ctx, ctr, NULL, key + klen, NULL)
diff --git a/include/openssl/core_names.h b/include/openssl/core_names.h
index c1bc3a7d7b..76fe37ee4a 100644
--- a/include/openssl/core_names.h
+++ b/include/openssl/core_names.h
@@ -64,6 +64,10 @@ extern "C" {
#define OSSL_DIGEST_PARAM_SIZE "size" /* OSSL_PARAM_INTEGER */
#define OSSL_DIGEST_PARAM_FLAGS "flags" /* OSSL_PARAM_UNSIGNED_INTEGER */
+/* Known DIGEST names (not a complete list) */
+#define OSSL_DIGEST_NAME_KECCAK_KMAC128 "KECCAK_KMAC128"
+#define OSSL_DIGEST_NAME_KECCAK_KMAC256 "KECCAK_KMAC256"
+
/* MAC parameters */
#define OSSL_MAC_PARAM_KEY "key" /* octet string */
#define OSSL_MAC_PARAM_IV "iv" /* octet string */
@@ -84,6 +88,12 @@ extern "C" {
#define OSSL_MAC_PARAM_DIGESTSIZE "digestsize" /* size_t */
#define OSSL_MAC_PARAM_OUTLEN "outlen" /* size_t */
+/* Known MAC names (not a complete list) */
+#define OSSL_MAC_NAME_CMAC "CMAC"
+#define OSSL_MAC_NAME_HMAC "HMAC"
+#define OSSL_MAC_NAME_KMAC128 "KMAC128"
+#define OSSL_MAC_NAME_KMAC256 "KMAC256"
+
/* PKEY parameters */
/* Diffie-Hellman Parameters */
#define OSSL_PKEY_PARAM_DH_P "dh-p"
diff --git a/providers/common/macs/kmac_prov.c b/providers/common/macs/kmac_prov.c
index 84c8fce2c9..70dad09794 100644
--- a/providers/common/macs/kmac_prov.c
+++ b/providers/common/macs/kmac_prov.c
@@ -203,12 +203,12 @@ static void *kmac_fetch_new(void *provctx, const char *mdname)
static void *kmac128_new(void *provctx)
{
- return kmac_fetch_new(provctx, "KECCAK_KMAC128");
+ return kmac_fetch_new(provctx, OSSL_DIGEST_NAME_KECCAK_KMAC128);
}
static void *kmac256_new(void *provctx)
{
- return kmac_fetch_new(provctx, "KECCAK_KMAC256");
+ return kmac_fetch_new(provctx, OSSL_DIGEST_NAME_KECCAK_KMAC256);
}
static void *kmac_dup(void *vsrc)
diff --git a/test/evp_kdf_test.c b/test/evp_kdf_test.c
index b3d1648c0d..1a131a7995 100644
--- a/test/evp_kdf_test.c
+++ b/test/evp_kdf_test.c
@@ -15,6 +15,7 @@
#include <openssl/evp.h>
#include <openssl/kdf.h>
+#include <openssl/core_names.h>
#include "testutil.h"
static int test_kdf_tls1_prf(void)
@@ -278,7 +279,8 @@ static int test_kdf_ss_hmac(void)
ret =
TEST_ptr(kctx = EVP_KDF_CTX_new_id(EVP_KDF_SS))
- && TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MAC, "HMAC"), 0)
+ && TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MAC,
+ OSSL_MAC_NAME_HMAC), 0)
&& TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha256()), 0)
&& TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KEY, z, sizeof(z)), 0)
&& TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SSKDF_INFO, other,
@@ -317,7 +319,8 @@ static int test_kdf_ss_kmac(void)
ret =
TEST_ptr(kctx = EVP_KDF_CTX_new_id(EVP_KDF_SS))
- && TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MAC, "KMAC128"), 0)
+ && TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MAC,
+ OSSL_MAC_NAME_KMAC128), 0)
&& TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KEY, z,
sizeof(z)), 0)
&& TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SSKDF_INFO, other,
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-20 09:24:14 +0000