Some extra bignum functions: modsub, lshift, random_in_range.

[PuTTY.git] / ssh.h

diff --git a/ssh.h b/ssh.h
index a73e93916910cbf4487ffff05ef3469209b3c1b0..a68a99465385c48cfdb7b65862002c782fd0a20d 100644 (file)
--- a/ssh.h
+++ b/ssh.h
@@ -515,9 +515,11 @@ Bignum bignum_from_long(unsigned long n);
 void freebn(Bignum b);
 Bignum modpow(Bignum base, Bignum exp, Bignum mod);
 Bignum modmul(Bignum a, Bignum b, Bignum mod);
+Bignum modsub(const Bignum a, const Bignum b, const Bignum n);
 void decbn(Bignum n);
 extern Bignum Zero, One;
 Bignum bignum_from_bytes(const unsigned char *data, int nbytes);
+Bignum bignum_random_in_range(const Bignum lower, const Bignum upper);
 int ssh1_read_bignum(const unsigned char *data, int len, Bignum * result);
 int bignum_bitcount(Bignum bn);
 int ssh1_bignum_length(Bignum bn);
@@ -538,6 +540,7 @@ Bignum bigmod(Bignum a, Bignum b);
 Bignum modinv(Bignum number, Bignum modulus);
 Bignum bignum_bitmask(Bignum number);
 Bignum bignum_rshift(Bignum number, int shift);
+Bignum bignum_lshift(Bignum number, int shift);
 int bignum_cmp(Bignum a, Bignum b);
 char *bignum_decimal(Bignum x);