generic-library/openssl
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add EC_GROUP_order_bits, EC_GROUP_get0_order and EC_GROUP_get0_cofactor

Browse Source 
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>
This commit is contained in:
Dr. Stephen Henson
2016-01-31 16:34:07 +00:00
parent 81e03785f7
commit be2e334fce
12 changed files with 103 additions and 84 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
include/openssl/ec.h
View File

@@ -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