Add back support for RSA_X931_PADDING

This makes the custom stalt stack work again.

Tested by robert as part of a larger diff
ok jsing

1 files changed, 7 insertions, 1 deletions

diff --git a/src/lib/libcrypto/rsa/rsa_local.h b/src/lib/libcrypto/rsa/rsa_local.h
index b438ab4eec..4bc2cee8cd 100644
--- a/src/lib/libcrypto/rsa/rsa_local.h
+++ b/src/lib/libcrypto/rsa/rsa_local.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: rsa_local.h,v 1.1 2022/11/26 16:08:54 tb Exp $ */
+/* $OpenBSD: rsa_local.h,v 1.2 2023/05/05 12:21:44 tb Exp $ */
 
 __BEGIN_HIDDEN_DECLS
 
@@ -91,4 +91,10 @@ extern int int_rsa_verify(int dtype, const unsigned char *m,
     unsigned int m_len, unsigned char *rm, size_t *prm_len,
     const unsigned char *sigbuf, size_t siglen, RSA *rsa);
 
+int RSA_padding_add_X931(unsigned char *to, int tlen,
+    const unsigned char *f, int fl);
+int RSA_padding_check_X931(unsigned char *to, int tlen,
+    const unsigned char *f, int fl, int rsa_len);
+int RSA_X931_hash_id(int nid);
+
 __END_HIDDEN_DECLS