#include "cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
-#include <openssl/ec.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
#include "asn1_locl.h"
extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[];
return (const EVP_PKEY_ASN1_METHOD *)sk_value(app_methods, idx);
}
-const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(int type)
+static const EVP_PKEY_ASN1_METHOD *pkey_asn1_find(int type)
{
EVP_PKEY_ASN1_METHOD tmp, *t = &tmp, **ret;
tmp.pkey_id = type;
(int (*)(const void *, const void *))ameth_cmp);
if (!ret || !*ret)
return NULL;
- if ((*ret)->pkey_flags & ASN1_PKEY_ALIAS)
- return EVP_PKEY_asn1_find((*ret)->pkey_base_id);
return *ret;
}
-const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(const char *str, int len)
+/* Find an implementation of an ASN1 algorithm. If 'pe' is not NULL
+ * also search through engines and set *pe to a functional reference
+ * to the engine implementing 'type' or NULL if no engine implements
+ * it.
+ */
+
+const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type)
+ {
+ const EVP_PKEY_ASN1_METHOD *t;
+ ENGINE *e;
+
+ for (;;)
+ {
+ t = pkey_asn1_find(type);
+ if (!t || !(t->pkey_flags & ASN1_PKEY_ALIAS))
+ break;
+ type = t->pkey_base_id;
+ }
+ if (pe)
+ {
+#ifndef OPENSSL_NO_ENGINE
+ /* type will contain the final unaliased type */
+ e = ENGINE_get_pkey_asn1_meth_engine(type);
+ if (e)
+ {
+ *pe = e;
+ return ENGINE_get_pkey_asn1_meth(e, type);
+ }
+#endif
+ *pe = NULL;
+ }
+ return t;
+ }
+
+const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
+ const char *str, int len)
{
int i;
const EVP_PKEY_ASN1_METHOD *ameth;
if (len == -1)
len = strlen(str);
+ if (pe)
+ {
+#ifndef OPENSSL_NO_ENGINE
+ ENGINE *e;
+ for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
+ {
+ ameth = ENGINE_get_pkey_asn1_meth_str(e, str, len);
+ if (ameth)
+ {
+ /* Convert structural into
+ * functional reference
+ */
+ if (!ENGINE_init(e))
+ ameth = NULL;
+ ENGINE_free(e);
+ *pe = e;
+ return ameth;
+ }
+ }
+#endif
+ *pe = NULL;
+ }
for (i = 0; i < EVP_PKEY_asn1_get_count(); i++)
{
ameth = EVP_PKEY_asn1_get0(i);
int EVP_PKEY_asn1_add_alias(int to, int from)
{
EVP_PKEY_ASN1_METHOD *ameth;
- ameth = EVP_PKEY_asn1_new(from, NULL, NULL);
+ ameth = EVP_PKEY_asn1_new(from, ASN1_PKEY_ALIAS, NULL, NULL);
if (!ameth)
return 0;
ameth->pkey_base_id = to;
- ameth->pkey_flags |= ASN1_PKEY_ALIAS;
return EVP_PKEY_asn1_add0(ameth);
}
return 1;
}
-EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id,
+EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags,
const char *pem_str, const char *info)
{
EVP_PKEY_ASN1_METHOD *ameth;
ameth->pkey_id = id;
ameth->pkey_base_id = id;
- ameth->pkey_flags = ASN1_PKEY_DYNAMIC;
+ ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC;
if (info)
{
}
void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
- void (*pkey_ctrl)(EVP_PKEY *pkey, int op,
+ int (*pkey_ctrl)(EVP_PKEY *pkey, int op,
long arg1, void *arg2))
{
ameth->pkey_ctrl = pkey_ctrl;