diff options
Diffstat (limited to 'crypto/include')
| -rw-r--r-- | crypto/include/internal/bn_int.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/crypto/include/internal/bn_int.h b/crypto/include/internal/bn_int.h index 9379951dea..e7fd8992f4 100644 --- a/crypto/include/internal/bn_int.h +++ b/crypto/include/internal/bn_int.h @@ -60,4 +60,16 @@ void bn_set_static_words(BIGNUM *a, BN_ULONG *words, int size); */ int bn_set_words(BIGNUM *a, BN_ULONG *words, int num_words); +/* + * Some BIGNUM functions assume most significant limb to be non-zero, which + * is customarily arranged by bn_correct_top. Output from below functions + * is not processed with bn_correct_top, and for this reason it may not be + * returned out of public API. It may only be passed internally into other + * functions known to support non-minimal or zero-padded BIGNUMs. + */ +int bn_mul_mont_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, + BN_MONT_CTX *mont, BN_CTX *ctx); +int bn_to_mont_fixed_top(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont, + BN_CTX *ctx); + #endif |