Use correct signature mode with Crypt_RSA
Use correct signature mode with Crypt_RSA

Default signature mode for Crypt_RSA is CRYPT_RSA_SIGNATURE_PSS (in phpseclib v0.3.6), but here we need CRYPT_RSA_SIGNATURE_PKCS1 to verify signature correctly
angrychimp/php-dkim,teonsystems/php-dkim