Compatibility changes for wpa_supplicant and OpenSSH.

OpenSSH, especially, does some terrible things that mean that it needs
the EVP_CIPHER structure to be exposed ☹. Damian is open to a better API
to replace this, but only if OpenSSL agree too. Either way, it won't be
happening soon.

Change-Id: I393b7a6af6694d4d2fe9ebcccd40286eff4029bd
Reviewed-on: https://boringssl-review.googlesource.com/4330
Reviewed-by: Adam Langley <agl@google.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/crypto/ec/ec.c b/crypto/ec/ec.c
index 9a4a8388..5378fcf7 100644
--- a/crypto/ec/ec.c
+++ b/crypto/ec/ec.c
@@ -861,3 +861,13 @@ int ec_point_set_Jprojective_coordinates_GFp(const EC_GROUP *group, EC_POINT *po
   return group->meth->point_set_Jprojective_coordinates_GFp(group, point, x, y,
                                                             z, ctx);
 }
+
+void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag) {}
+
+const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group) {
+  return NULL;
+}
+
+int EC_METHOD_get_field_type(const EC_METHOD *meth) {
+  return NID_X9_62_prime_field;
+}