Correctly display the signing/hmac algorithm in the dgst app

[openssl.git] / crypto / evp / evp_pkey.c

diff --git a/crypto/evp/evp_pkey.c b/crypto/evp/evp_pkey.c
index d435c86087ca9f4002ff1be39449cb893549c044..f31d1d68f8b7c15ca3ff2a5553dcfa3fbe0b53c6 100644 (file)
--- a/crypto/evp/evp_pkey.c
+++ b/crypto/evp/evp_pkey.c
@@ -163,3 +163,20 @@ int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key,
         return 1;
     return 0;
 }
+
+const char *EVP_PKEY_get0_first_alg_name(const EVP_PKEY *key)
+{
+    const EVP_PKEY_ASN1_METHOD *ameth;
+    const char *name = NULL;
+
+    if (key->keymgmt != NULL)
+        return EVP_KEYMGMT_get0_first_name(key->keymgmt);
+
+    /* Otherwise fallback to legacy */
+    ameth = EVP_PKEY_get0_asn1(key);
+    if (ameth != NULL)
+        EVP_PKEY_asn1_get0_info(NULL, NULL,
+                                NULL, NULL, &name, ameth);
+
+    return name;
+}