<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=iso-8859-1" http-equiv=Content-Type> <META name=GENERATOR content="MSHTML 8.00.6001.18702"> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT size=2 face=Arial>Hi there,</FONT></DIV> <DIV><FONT size=2 face=Arial></FONT> </DIV> <DIV><FONT size=2 face=Arial>I'm working with the crypto lib from PLaneT. It actually works well, so far, thanks for the wrappers (it's a Scheme interface to OpenSSL).</FONT></DIV> <DIV><FONT size=2 face=Arial></FONT> </DIV> <DIV><FONT size=2 face=Arial>My question is, how do I turn off padding, i.e. what do I have to pass (and where) as an additional parameter to e.g.</FONT></DIV> <DIV><FONT size=2 face=Arial></FONT> </DIV> <DIV>(define dummy (encrypt cipher:aes-128 devicekey nonce #"1234567887654321"))<BR></DIV> <DIV><FONT size=2 face=Arial>to turn off padding (which would be the equivalent to calling EVP_CIPHER_CTX_set_padding())? I see that there is a wrapper for that function in the lib, but I guess I don't yet understand enough about syntaxes and wrappers to figure out how </FONT></DIV> <DIV><FONT size=2 face=Arial></FONT> </DIV> <DIV><FONT size=2 face=Arial>(define (cipher-encrypt type key iv #:padding (pad? #t))</FONT></DIV> <DIV><FONT size=2 face=Arial> ..</FONT></DIV> <DIV><FONT size=2 face=Arial>) </FONT></DIV> <DIV> </DIV> <DIV><FONT size=2 face=Arial>translates to a function call to encrypt where the pad parameter can be passed a value.</FONT></DIV> <DIV> </DIV> <DIV><FONT size=2 face=Arial>Thanks!!</FONT></DIV> <DIV> </DIV></BODY></HTML>