Implement zlib@openssh.com, using the rekey-after-userauth method suggested in

[u/mdw/putty] / ssh.h

diff --git a/ssh.h b/ssh.h
index 3d02ad7..90dafed 100644 (file)
--- a/ssh.h
+++ b/ssh.h
@@ -251,6 +251,9 @@ struct ssh_signkey {
 
 struct ssh_compress {
     char *name;
+    /* For zlib@openssh.com: if non-NULL, this name will be considered once
+     * userauth has completed successfully. */
+    char *delayed_name;
     void *(*compress_init) (void);
     void (*compress_cleanup) (void *);
     int (*compress) (void *, unsigned char *block, int len,
@@ -447,6 +450,8 @@ int ssh1_write_bignum(void *data, Bignum bn);
 Bignum biggcd(Bignum a, Bignum b);
 unsigned short bignum_mod_short(Bignum number, unsigned short modulus);
 Bignum bignum_add_long(Bignum number, unsigned long addend);
+Bignum bigadd(Bignum a, Bignum b);
+Bignum bigsub(Bignum a, Bignum b);
 Bignum bigmul(Bignum a, Bignum b);
 Bignum bigmuladd(Bignum a, Bignum b, Bignum addend);
 Bignum bigdiv(Bignum a, Bignum b);