Support for digest signing and X931 in rsa_pkey_meth.

[openssl.git] / crypto / evp / pmeth_lib.c

diff --git a/crypto/evp/pmeth_lib.c b/crypto/evp/pmeth_lib.c
index 7c363956968e3f6b66330b6bb6da19a5d33c6d62..a705901c7068b7d1ed9e0f3764b928ff9422dfda 100644 (file)
--- a/crypto/evp/pmeth_lib.c
+++ b/crypto/evp/pmeth_lib.c
@@ -179,5 +179,16 @@ int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
                EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
                return -2;
                }
+       if (!strcmp(name, "digest"))
+               {
+               const EVP_MD *md;
+               if (!value || !(md = EVP_get_digestbyname(value)))
+                       {
+                       EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_DIGEST);
+                       return 0;
+                       }
+               return EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_MD_NID,
+                                       EVP_MD_type(md), NULL);
+               }
        return ctx->pmeth->ctrl_str(ctx, name, value);
        }