php使用RSA私钥公钥签名校验

$ openssl genrsa -out rsa_private_key.pem 1024

$ openssl rsa -in rsa_private_key.pem -pubout -out rsa_public_key.pem

<?php$privateKeyString=<<<EOF-----BEGIN RSA PRIVATE KEY-----MIICXAIBAAKBgQDRHaNFj+BW4g6A+0NOrPq1XOACEsCZUuJNJsq6JbcvN9JgpPKGC6zlvEwiibsAk5NqLvYmdbqiIC41VJ/T4aq7RFc/k5eo2FJlfzoRKMIG9yVsp6mrNLOkrDrbbN+GS02463L3oDhlZVncXfXWZNbeC0vrBzjM3QsZIqHYVQQc6QIDAQABAoGAO6fA1C9fSGnkyVbktKUUQHjmTrEa0KKcfHX8j24C/C1ojrl/lk3uXPuCnLe96UQwYbJT9lTPkUCs7fnePou6MH4acPsOHnwJ3PpQrO5H01Z8sZQkD/KIyk1LPaGl8zvKlTOgrSg4h8JLk7i9PI8q2Yp75rquVZglQ7m6H1GXNiECQQDszsnMjAptFvnbbs29wiuRSV7iqkigZTokLtJjJ1qw5fpNipJbAN/jhwAFEe1aMAno/rpru0l3EuGGZ85M+pfzAkEA4hBODEnRU5D1fwUcp4LY5spOm2dk5h/LZJbI/5et0y2Qah+YFe0khgzV70dNUmjteYg3axzksUuipZE4bSoqswJBALlFSCjaX8XdtfnyBNGzunZe2venlk63I/fvEfc1cQT5yQ0lnz/HvWK72k4dKn/nGbnKoXtr+hxJD10ilgsv+/UCQGntg/TkHg8PTMmxJoUjnek/AOh24WOnoFHJCfQiKdRbdGEV3tjfXw7lMtXFTmkAO86H0pgBWPPu4g685njYmlsCQGHxbxNr2ybRqgIuqmiNO7jldtcXMqzaF4w1BHS5C0mkA6+i/KEJ5yLVv6lmDPO1WDbbt81cYO8RGEQ7DblIRoc=-----END RSA PRIVATE KEY-----EOF; // 私钥加密$privateKey = openssl_pkey_get_private($privateKeyString);// 签名字符串$message = '123456'; $signature = null;if (openssl_sign($message, $signature, $privateKey, OPENSSL_ALGO_SHA256)) {    $signature = base64_encode($signature);    echo 'signature:', $signature,PHP_EOL;} else {    echo openssl_error_string();} // 公钥验证签名$publicKeyString = <<<EOF-----BEGIN PUBLIC KEY-----MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDRHaNFj+BW4g6A+0NOrPq1XOACEsCZUuJNJsq6JbcvN9JgpPKGC6zlvEwiibsAk5NqLvYmdbqiIC41VJ/T4aq7RFc/k5eo2FJlfzoRKMIG9yVsp6mrNLOkrDrbbN+GS02463L3oDhlZVncXfXWZNbeC0vrBzjM3QsZIqHYVQQc6QIDAQAB-----END PUBLIC KEY-----EOF; // 公钥的第二种格式，也是可以的$publicKeyString = "-----BEGIN PUBLIC KEY-----\nMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDRHaNFj+BW4g6A+0NOrPq1XOAC\nEsCZUuJNJsq6JbcvN9JgpPKGC6zlvEwiibsAk5NqLvYmdbqiIC41VJ/T4aq7RFc/\nk5eo2FJlfzoRKMIG9yVsp6mrNLOkrDrbbN+GS02463L3oDhlZVncXfXWZNbeC0vr\nBzjM3QsZIqHYVQQc6QIDAQAB\n-----END PUBLIC KEY-----"; $publicKey = openssl_pkey_get_public($publicKeyString); $return = [    'code' => 0,    'message' => 'error']; // 执行验证$success = openssl_verify($message, base64_decode($signature), $publicKey, OPENSSL_ALGO_SHA256);if ($success === -1) {    $return['message'] = ''.openssl_error_string();} elseif ($success === 1) {    $return['code'] = 1;    $return['message'] = 'success';} else {    $return['message'] = openssl_error_string();}echo 'openssl_verify result:';var_dump($return);

>php -f depakin.phpsignature:q6nCWEEXHRubgZEFT3wkjVd5gmmDucBCAiX20HBrpSBxPevlxCTwkMZ+35nVpVoj+Rmz3m+5qWBZ2m0q8POoDFr5YPsANSos0cM1Nr1zC9ju6SRCBpRmiGKLxzniuehkrRyxbWf+rLthmiSDnQa/peWw5Y7hsVT68yR8AoCovRY=openssl_verify result:array(2) {  'code' =>  int(1)  'message' =>  string(7) "success"}