1 files changed, 21 insertions, 1 deletions

diff --git a/rsa.c b/rsa.c
index 626553149..f69f99606 100644
--- a/rsa.c
+++ b/rsa.c
@@ -60,7 +60,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: rsa.c,v 1.21 2001/02/04 15:32:24 stevesk Exp $");
+RCSID("$OpenBSD: rsa.c,v 1.22 2001/03/26 23:23:23 markus Exp $");
 
 #include "rsa.h"
 #include "log.h"
@@ -119,3 +119,23 @@ rsa_private_decrypt(BIGNUM *out, BIGNUM *in, RSA *key)
         xfree(inbuf);
         return len;
 }
+
+void
+generate_additional_parameters(RSA *rsa)
+{
+        BIGNUM *aux;
+        BN_CTX *ctx;
+        /* Generate additional parameters */
+        aux = BN_new();
+        ctx = BN_CTX_new();
+
+        BN_sub(aux, rsa->q, BN_value_one());
+        BN_mod(rsa->dmq1, rsa->d, aux, ctx);
+
+        BN_sub(aux, rsa->p, BN_value_one());
+        BN_mod(rsa->dmp1, rsa->d, aux, ctx);
+
+        BN_clear_free(aux);
+        BN_CTX_free(ctx);
+}
+