diff options
| author | Kurt Roeckx <kurt@roeckx.be> | 2019-10-23 22:10:54 +0200 |
|---|---|---|
| committer | Kurt Roeckx <kurt@roeckx.be> | 2019-11-09 16:01:54 +0100 |
| commit | fd4a6e7d1e51ad53f70ae75317da36418cae6458 (patch) | |
| tree | f46f15a916a7927f74355c6fde558d8e7fb4bdd6 /include | |
| parent | db5cf86535b305378308c58c52596994e1ece1e6 (diff) | |
RSA generation: Use more bits of 1/sqrt(2)
The old version always sets the top 2 bits, so the most significate byte
of the primes was always >= 0xC0. We now use 256 bits to represent
1/sqrt(2) = 0x0.B504F333F9DE64845...
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
GH: #10246
Diffstat (limited to 'include')
| -rw-r--r-- | include/crypto/bn.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/crypto/bn.h b/include/crypto/bn.h index 91c6cd5dcc..f2cb30de0a 100644 --- a/include/crypto/bn.h +++ b/include/crypto/bn.h @@ -111,4 +111,7 @@ int bn_rsa_fips186_4_derive_prime(BIGNUM *Y, BIGNUM *X, const BIGNUM *Xin, const BIGNUM *e, BN_CTX *ctx, BN_GENCB *cb); OPENSSL_CTX *bn_get_lib_ctx(BN_CTX *ctx); + +extern const BIGNUM bn_inv_sqrt_2; + #endif |