openssl_pkey_get_public没有打开公钥，“没有起始行”错误

Question

When generating public key and then reading it with function openssl_pkey_get_public - $publicKeyResource = bool(false) and message: error:0906D06C:PEM routines:PEM_read_bio:no start line

$privateKey = openssl_pkey_new(array('private_key_bits' => 2048, 'private_key_type' => OPENSSL_KEYTYPE_RSA));

$keyDetails = openssl_pkey_get_details($privateKey);

$publicKeyResource = openssl_pkey_get_public($keyDetails['key']);

What is wrong?

PS

privateKey = 

array(3) {
  ["bits"]=>int(2048)

  ["key"]=>
  string(451) "-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApo5lpSuSQmAOXfqAmexj
IzjdGnd1X1gCKj5ko2DHgcR4XBlj1hbFNs1pzXx+R/UvLXTeF7dNQ+9AgXjEeRa6
71VbNxrUgvb/PHjEANwce7xBsnbu+dcSazyNHzx4ahWyEF4f3HyaJkGrT/Dgzcut
DO+yFAH9u8Hx26cj/8kyrtIHxazemnD+IDHRa3zOjKDmTfoDRKtOMTPVgFAsYBXn
tKcLyamCSBgpwfQwKfUUcYhfY1xD9UMhVXabSSiNQOiTMuOIZUHueO8UCp/tdK6a
LprUDBQ/tVmiV7ZMeZYMjh6XnK7higJ3WZp8RmD4PPeKbtG6j2AuGpbF/ddzD62T
XwIDAQAB
-----END PUBLIC KEY-----
"

  ["type"]=>
  int(0)
}

Answer 1

Same answer as I gave in PHP + OpenSSL : error returned, but correct result : This is apparently caused by openssl_pkey_get_public() which wants a certificate containing your public key rather than the public key by itself – it seems to load the public key but still causes this error. See details there.

Answer 2

You might have an easier time with phpseclib's Crypt_RSA. eg.

createKey(2048)); echo $publickey; ?>

More info:

http://phpseclib.sourceforge.net/

Answer 3

Most likely PHP's openSSL rejects key in PEM form. Try RSA form instead

Answer 4

Reason:

This error is usually caused by one corrupt character at the beginning of the .crt file. So, the chances are that you have an extra space, an extra character, an extra line, etc. in either the SSL Certificate file (.crt) or the SSL key.

Answer 5

我怀疑这在某些版本的PHP或OpenSSL中必定是一个错误，因为你发布的代码对我来说很好（PHP 5.2.6和OpenSSL 0.9.8g）。