New function to add dynamic alias.

[openssl.git] / crypto / asn1 / ameth_lib.c

diff --git a/crypto/asn1/ameth_lib.c b/crypto/asn1/ameth_lib.c
index 6b4690e5b7680240db24e3868081bd3b8ac54e04..60d159477cb6ad3c4bcc5de2693fd7a708756602 100644 (file)
--- a/crypto/asn1/ameth_lib.c
+++ b/crypto/asn1/ameth_lib.c
@@ -172,7 +172,7 @@ const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(const char *str, int len)
        return NULL;
        }
 
-int EVP_PKEY_asn1_add(const EVP_PKEY_ASN1_METHOD *ameth)
+int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth)
        {
        if (app_methods == NULL)
                {
@@ -186,6 +186,17 @@ int EVP_PKEY_asn1_add(const EVP_PKEY_ASN1_METHOD *ameth)
        return 1;
        }
 
+int EVP_PKEY_asn1_add_alias(int to, int from)
+       {
+       EVP_PKEY_ASN1_METHOD *ameth;
+       ameth = EVP_PKEY_asn1_new(from, NULL, NULL);
+       if (!ameth)
+               return 0;
+       ameth->pkey_base_id = to;
+       ameth->pkey_flags |= ASN1_PKEY_ALIAS;
+       return EVP_PKEY_asn1_add0(ameth);
+       }
+
 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *ppkey_base_id, int *ppkey_flags,
                                const char **pinfo, const char **ppem_str,
                                        const EVP_PKEY_ASN1_METHOD *ameth)