Method Nettle.rsa_unpad()

Method rsa_unpad

int(0..) rsa_unpad(string(8bit) data, int(1..2) type)

Description

Unpads a message that has been padded according to RSAES-PKCS1-V1_5-ENCODE(message) in PKCS#1 v2.2, but without the null byte prefix. The padding method used on the original message must be provided in the type parameter. All content dependent processing is done in constant time for the same padding type and data length.

Returns

Returns the position in the string where the first non-padding character is, or 0.