SilcPKCSSignCb
SYNOPSIS
typedef void (*SilcPKCSSignCb)(SilcBool success,
const unsigned char *signature,
SilcUInt32 signature_len,
void *context);
DESCRIPTION
Signature callback. This callback is given as argument to the silc_pkcs_sign_async and the digitally signed data is delivered to the caller in this callback. The `signature' is the signature data. If the `success' is FALSE the signature operation failed.