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Some extra bignum functions: modsub, lshift, random_in_range.

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Chris Staite
2014-11-01 09:15:08 +00:00
committed by Simon Tatham
parent 66970c4258
commit 7d1c30cd50
2 changed files with 105 additions and 0 deletions
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3
ssh.h
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@ -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);