Method __builtin.Nettle.Hash()->eme_oaep_decode()

Method eme_oaep_decode

string(8bit)|zero eme_oaep_decode(string(8bit) message, string(8bit)|void label, function(string(8bit), int(0..):string(8bit))|void mgf)

Description

Decode an EME-OAEP encoded string.

Parameter message

Message to decode.

Parameter label

Label that was used when the message was encoded. Defaults to "".

Parameter mgf

Mask generation function to use. Defaults to mgf1().

Returns

Returns the decoded message on success, and 0 (zero) on failure.

Note

The decoder attempts to take a constant amount of time on failure.

See also

eme_oaep_encode(), RFC 3447 section 7.1.2