X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/e055a386af9c83d4a04e72f7c58805f1197df8be..80b105717eaccb493391330a0a812be0af2a40e7:/ssh.h diff --git a/ssh.h b/ssh.h index b999c665..555fe61c 100644 --- a/ssh.h +++ b/ssh.h @@ -1,5 +1,7 @@ #include +#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; @@ -104,6 +103,7 @@ struct ssh_cipher { void (*decrypt)(unsigned char *blk, int len); char *name; int blksize; + int keylen; }; struct ssh_mac { @@ -159,14 +159,16 @@ 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 +181,14 @@ 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);