Support for selecting AES from the GUI. In the process, I've had to

[u/mdw/putty] / ssh.h

diff --git a/ssh.h b/ssh.h
index b999c66..aafee4e 100644 (file)
--- a/ssh.h
+++ b/ssh.h
@@ -1,5 +1,7 @@
 #include <string.h>
 
+#include "puttymem.h"
+
 /*
  * Useful thing.
  */
@@ -18,12 +20,9 @@
 #define APIEXTRA 0
 #endif
 
-/*
- * A Bignum is stored as a sequence of `unsigned short' words. The
- * first tells how many remain; the remaining ones are digits, LS
- * first.
- */
-typedef unsigned short *Bignum;
+#ifndef BIGNUM_INTERNAL
+typedef void *Bignum;
+#endif
 
 struct RSAKey {
     int bits;
@@ -96,6 +95,12 @@ void SHA_Simple(void *p, int len, unsigned char *output);
 
 struct ssh_cipher {
     void (*sesskey)(unsigned char *key);   /* for ssh 1 */
+    void (*encrypt)(unsigned char *blk, int len);
+    void (*decrypt)(unsigned char *blk, int len);
+    int blksize;
+};
+
+struct ssh2_cipher {
     void (*setcsiv)(unsigned char *key);   /* for ssh 2 */
     void (*setcskey)(unsigned char *key);   /* for ssh 2 */
     void (*setsciv)(unsigned char *key);   /* for ssh 2 */
@@ -104,6 +109,12 @@ struct ssh_cipher {
     void (*decrypt)(unsigned char *blk, int len);
     char *name;
     int blksize;
+    int keylen;
+};
+
+struct ssh2_ciphers {
+    int nciphers;
+    struct ssh2_cipher **list;
 };
 
 struct ssh_mac {
@@ -159,14 +170,16 @@ void random_add_heavynoise(void *noise, int length);
 
 void logevent (char *);
 
-Bignum newbn(int length);
 Bignum copybn(Bignum b);
+Bignum bn_power_2(int n);
+void bn_restore_invariant(Bignum b);
 Bignum bignum_from_short(unsigned short n);
 void freebn(Bignum b);
 Bignum modpow(Bignum base, Bignum exp, Bignum mod);
 Bignum modmul(Bignum a, Bignum b, Bignum mod);
 void decbn(Bignum n);
 extern Bignum Zero, One;
+Bignum bignum_from_bytes(unsigned char *data, int nbytes);
 int ssh1_read_bignum(unsigned char *data, Bignum *result);
 int ssh1_bignum_bitcount(Bignum bn);
 int ssh1_bignum_length(Bignum bn);
@@ -179,10 +192,14 @@ unsigned short bignum_mod_short(Bignum number, unsigned short modulus);
 Bignum bignum_add_long(Bignum number, unsigned long addend);
 Bignum bigmul(Bignum a, Bignum b);
 Bignum modinv(Bignum number, Bignum modulus);
+Bignum bignum_bitmask(Bignum number);
 Bignum bignum_rshift(Bignum number, int shift);
 int bignum_cmp(Bignum a, Bignum b);
 char *bignum_decimal(Bignum x);
 
+void dh_setup_group1(void);
+void dh_setup_group(Bignum pval, Bignum gval);
+void dh_cleanup(void);
 Bignum dh_create_e(void);
 Bignum dh_find_K(Bignum f);