问题
openssl_sign is returning the signature string but printing this error. I am using elliptic curve key
Warning: openssl_sign() [function.openssl-sign]: key type not supported in this PHP build! in
回答1:
An issue has been filed in the php issue tracker for this: https://bugs.php.net/bug.php?id=66501
来源：https://stackoverflow.com/questions/10411450/php-openssl-sign-ecparam-key-type-not-supported-in-this-php-build