OPENSSL_RAW_DATA
(int) OPENSSL_RAW_DATA
is set in the openssl_encrypt() or openssl_decrypt(), the returned data is returned as-is. When it is not specified, Base64 encoded data is returned to the caller. OPENSSL_ZERO_PADDING
(int) OPENSSL_ZERO_PADDING
is set in the openssl_encrypt() or openssl_decrypt()options
then no padding is performed, the total amount of data encrypted or decrypted must then be a multiple of the block size or an error will occur. OPENSSL_ENCODING_SMIME
(int) OPENSSL_ENCODING_DER
(int) OPENSSL_ENCODING_PEM
(int)