diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2016-01-31 16:34:07 +0000 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2016-01-31 22:18:30 +0000 |
| commit | be2e334fce734e726a4085701bc3cbbaabf9d893 (patch) | |
| tree | 1abe68a660b992e194fdb26dd42aed6860d3e87a /include | |
| parent | 81e03785f718f98861a2a84b7b5d798b00df1670 (diff) | |
Add EC_GROUP_order_bits, EC_GROUP_get0_order and EC_GROUP_get0_cofactor
New functions to return internal pointer for order and cofactor. This
avoids the need to allocate a new BIGNUM which to copy the value to.
Simplify code to use new functions.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/openssl/ec.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/openssl/ec.h b/include/openssl/ec.h index 3188cae953..75be82a320 100644 --- a/include/openssl/ec.h +++ b/include/openssl/ec.h @@ -257,6 +257,20 @@ BN_MONT_CTX *EC_GROUP_get_mont_data(const EC_GROUP *group); */ int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx); +/** Gets the order of an EC_GROUP + * \param group EC_GROUP object + * \return the group order + */ + +const BIGNUM *EC_GROUP_get0_order(const EC_GROUP *group); + +/** Gets the number of bits of ther order of an EC_GROUP + * \param group EC_GROUP object + * \return number of bits of group order. + */ + +int EC_GROUP_order_bits(const EC_GROUP *group); + /** Gets the cofactor of a EC_GROUP * \param group EC_GROUP object * \param cofactor BIGNUM to which the cofactor is copied @@ -266,6 +280,13 @@ int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx); int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor, BN_CTX *ctx); +/** Gets the cofactor of an EC_GROUP + * \param group EC_GROUP object + * \return the group cofactor + */ + +const BIGNUM *EC_GROUP_get0_cofactor(const EC_GROUP *group); + /** Sets the name of a EC_GROUP object * \param group EC_GROUP object * \param nid NID of the curve name OID |