Provide EVP_PKEY_CTX_get_signature_md() macro and implement the

EVP_PKEY_CTRL_GET_MD control for DSA, EC and RSA.

This is used by the upcoming RSA CMS code.

ok inoguchi@ tb@

1 files changed, 5 insertions, 1 deletions

diff --git a/src/lib/libcrypto/dsa/dsa_pmeth.c b/src/lib/libcrypto/dsa/dsa_pmeth.c
index 780b070a72..dd0da348b6 100644
--- a/src/lib/libcrypto/dsa/dsa_pmeth.c
+++ b/src/lib/libcrypto/dsa/dsa_pmeth.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dsa_pmeth.c,v 1.11 2017/01/29 17:49:22 beck Exp $ */
+/* $OpenBSD: dsa_pmeth.c,v 1.12 2019/09/09 18:06:25 jsing Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -214,6 +214,10 @@ pkey_dsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
                 dctx->md = p2;
                 return 1;
 
+        case EVP_PKEY_CTRL_GET_MD:
+                *(const EVP_MD **)p2 = dctx->md;
+                return 1;
+
         case EVP_PKEY_CTRL_DIGESTINIT:
         case EVP_PKEY_CTRL_PKCS7_SIGN:
         case EVP_PKEY_CTRL_CMS_SIGN: