update pkey method initialisation and copy

crypto/asn1/ameth_lib.c

@@ -293,6 +293,8 @@ EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags,
 	if (!ameth)
 		return NULL;
 
+	memset(ameth, 0, sizeof(EVP_PKEY_ASN1_METHOD));
+
 	ameth->pkey_id = id;
 	ameth->pkey_base_id = id;
 	ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC;
@@ -327,6 +329,9 @@ EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags,
 	ameth->old_priv_encode = 0;
 	ameth->old_priv_decode = 0;
 
+	ameth->item_verify = 0;
+	ameth->item_sign = 0;
+
 	ameth->pkey_size = 0;
 	ameth->pkey_bits = 0;
 
@@ -378,6 +383,9 @@ void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
 	dst->pkey_free = src->pkey_free;
 	dst->pkey_ctrl = src->pkey_ctrl;
 
+	dst->item_sign = src->item_sign;
+	dst->item_verify = src->item_verify;
+
 	}
 
 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)

crypto/evp/pmeth_lib.c

@@ -204,6 +204,8 @@ EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags)
 	if (!pmeth)
 		return NULL;
 
+	memset(pmeth, 0, sizeof(EVP_PKEY_METHOD));
+
 	pmeth->pkey_id = id;
 	pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;