diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/bn/mod.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/bn/mod.rs b/src/bn/mod.rs index cc64d8cd..fddd5703 100644 --- a/src/bn/mod.rs +++ b/src/bn/mod.rs @@ -45,6 +45,7 @@ extern { fn BN_exp(r: *mut BIGNUM, a: *mut BIGNUM, p: *mut BIGNUM, ctx: *mut BN_CTX) -> c_int; fn BN_mod_exp(r: *mut BIGNUM, a: *mut BIGNUM, p: *mut BIGNUM, m: *mut BIGNUM, ctx: *mut BN_CTX) -> c_int; fn BN_mod_inverse(r: *mut BIGNUM, a: *mut BIGNUM, n: *mut BIGNUM, ctx: *mut BN_CTX) -> *const BIGNUM; + fn BN_mod_word(r: *mut BIGNUM, w: c_ulong) -> c_ulong; fn BN_gcd(r: *mut BIGNUM, a: *mut BIGNUM, b: *mut BIGNUM, ctx: *mut BN_CTX) -> c_int; /* Bit operations on BIGNUMs */ @@ -232,6 +233,12 @@ impl BigNum { } } + pub fn mod_word(&self, w: c_ulong) -> c_ulong { + unsafe { + return BN_mod_word(self.raw(), w); + } + } + pub fn checked_gcd(&self, a: &BigNum) -> Result<BigNum, SslError> { unsafe { with_bn_in_ctx!(r, ctx, { BN_gcd(r.raw(), self.raw(), a.raw(), ctx) == 1 }) |