#include "cryptlib.h"
#include <openssl/objects.h>
#include <openssl/evp.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
#include "asn1_locl.h"
#include "evp_locl.h"
return ((*a)->pkey_id - (*b)->pkey_id);
}
-const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type, ENGINE *e)
+const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
{
EVP_PKEY_METHOD tmp, *t = &tmp, **ret;
tmp.pkey_id = type;
return NULL;
id = pkey->ameth->pkey_id;
}
- pmeth = EVP_PKEY_meth_find(id, e);
+ /* Try to find an ENGINE which implements this method */
+ if (e)
+ {
+ if (!ENGINE_init(e))
+ {
+ EVPerr(EVP_F_INT_CTX_NEW,ERR_R_ENGINE_LIB);
+ return NULL;
+ }
+ else
+ e = ENGINE_get_pkey_meth_engine(id);
+ }
+
+ /* If an ENGINE handled this method look it up. Othewise
+ * use internal table.S
+ */
+
+ if (e)
+ pmeth = ENGINE_get_pkey_meth(e, id);
+ else
+ pmeth = EVP_PKEY_meth_find(id);
+
if (pmeth == NULL)
return NULL;
+
ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
+ ret->engine = e;
ret->pmeth = pmeth;
ret->operation = EVP_PKEY_OP_UNDEFINED;
ret->pkey = pkey;
EVP_PKEY_CTX *rctx;
if (!pctx->pmeth || !pctx->pmeth->copy)
return NULL;
+#ifndef OPENSSL_NO_ENGINE
+ /* Make sure it's safe to copy a pkey context using an ENGINE */
+ if (pctx->engine && !ENGINE_init(pctx->engine))
+ {
+ EVPerr(EVP_F_EVP_PKEY_CTX_DUP,ERR_R_ENGINE_LIB);
+ return 0;
+ }
+#endif
rctx = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
if (!rctx)
return NULL;
rctx->pmeth = pctx->pmeth;
+#ifndef OPENSSL_NO_ENGINE
+ rctx->engine = pctx->engine;
+#endif
if (pctx->pkey)
{
EVP_PKEY_free(ctx->pkey);
if (ctx->peerkey)
EVP_PKEY_free(ctx->peerkey);
+#ifndef OPENSSL_NO_ENGINE
+ if(ctx->engine)
+ /* The EVP_PKEY_CTX we used belongs to an ENGINE, release the
+ * functional reference we held for this reason. */
+ ENGINE_finish(ctx->engine);
+#endif
OPENSSL_free(ctx);
}