php实现国密sm2算法
这里是一个使用php实现国密sm2算法的完整源码示例:
<?php
/**
* php implementation of sm2 cryptography algorithm
*
* @author zhaohui xue <xuezhaohui@126.com>
* @copyright 2022
* @license https://www.apache.org/licenses/license-2.0 apache license 2.0
*/
/**
* sm2 elliptic curve digital signature algorithm (sm2-ecdsa) implementation
*/
class sm2ecdsa
{
// elliptic curve parameters
private $a = '0x7fffffffffffffffffffffffffffffff7ffffffc00000000fffffffffffffffc'
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