Teach d2i_PrivateKey et al about libctx

The Ed448 private key decoding makes algorithm fetches. Therefore we teach
d2i_PrivateKey et al about libctx and make sure it is passed through the
layers.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/11494)

1 files changed, 14 insertions, 33 deletions

diff --git a/crypto/asn1/ameth_lib.c b/crypto/asn1/ameth_lib.c
index 9ea5b665ba..013e1d69e1 100644
--- a/crypto/asn1/ameth_lib.c
+++ b/crypto/asn1/ameth_lib.c
@@ -250,39 +250,20 @@ EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
 void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
                         const EVP_PKEY_ASN1_METHOD *src)
 {
-
-    dst->pub_decode = src->pub_decode;
-    dst->pub_encode = src->pub_encode;
-    dst->pub_cmp = src->pub_cmp;
-    dst->pub_print = src->pub_print;
-
-    dst->priv_decode = src->priv_decode;
-    dst->priv_encode = src->priv_encode;
-    dst->priv_print = src->priv_print;
-
-    dst->old_priv_encode = src->old_priv_encode;
-    dst->old_priv_decode = src->old_priv_decode;
-
-    dst->pkey_size = src->pkey_size;
-    dst->pkey_bits = src->pkey_bits;
-
-    dst->param_decode = src->param_decode;
-    dst->param_encode = src->param_encode;
-    dst->param_missing = src->param_missing;
-    dst->param_copy = src->param_copy;
-    dst->param_cmp = src->param_cmp;
-    dst->param_print = src->param_print;
-
-    dst->pkey_free = src->pkey_free;
-    dst->pkey_ctrl = src->pkey_ctrl;
-
-    dst->item_sign = src->item_sign;
-    dst->item_verify = src->item_verify;
-
-    dst->siginf_set = src->siginf_set;
-
-    dst->pkey_check = src->pkey_check;
-
+    int pkey_id = dst->pkey_id;
+    int pkey_base_id = dst->pkey_base_id;
+    unsigned long pkey_flags = dst->pkey_flags;
+    char *pem_str = dst->pem_str;
+    char *info = dst->info;
+
+    *dst = *src;
+
+    /* We only copy the function pointers so restore the other values */
+    dst->pkey_id = pkey_id;
+    dst->pkey_base_id = pkey_base_id;
+    dst->pkey_flags = pkey_flags;
+    dst->pem_str = pem_str;
+    dst->info = info;
 }
 
 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)