Add support for DSA authentication in SSH2, following clever ideas

[u/mdw/putty] / pageant.c

diff --git a/pageant.c b/pageant.c
index 6ab373e..a7efcad 100644 (file)
--- a/pageant.c
+++ b/pageant.c
@@ -65,7 +65,7 @@ int agent_exists(void);
  * pads its data with random bytes. Since we only use rsadecrypt()
  * and the signing functions, which are deterministic, this should
  * never be called.
- * 
+ *
  * If it _is_ called, there is a _serious_ problem, because it
  * won't generate true random numbers. So we must scream, panic,
  * and exit immediately if that should happen.
@@ -613,7 +613,7 @@ static void answer_msg(void *msg)
        break;
       case SSH2_AGENTC_SIGN_REQUEST:
        /*
-        * Reply with either SSH2_AGENT_RSA_RESPONSE or
+        * Reply with either SSH2_AGENT_SIGN_RESPONSE or
         * SSH_AGENT_FAILURE, depending on whether we have that key
         * or not.
         */
@@ -696,6 +696,8 @@ static void answer_msg(void *msg)
            /* Add further algorithm names here. */
            if (alglen == 7 && !memcmp(alg, "ssh-rsa", 7))
                key->alg = &ssh_rsa;
+           else if (alglen == 7 && !memcmp(alg, "ssh-dss", 7))
+               key->alg = &ssh_dss;
            else {
                sfree(key);
                goto failure;