On Tue, Jan 06, 2015, Fred wrote: > Hi, > > I need to decrypt some S/MIME content with an invalid key length > for the AlgOID specified in the PCKS7 content. > > AES-256 is specified as the AlgOID, but a key length of 192 bits is > being used. > > Is there anyway to get openssl to decrypt this using the openssl > smime command? i.e. override the cipher used so that is uses > aes-192-cbc ? Not using the smime command no. There are ways to handle this either with a short program or by using a binary cut+paste using asn1parse. Another alternative is to use a modified version of OpenSSL which detects this and works around the problem. Steve. -- Dr Stephen N. Henson. OpenSSL project core developer. Commercial tech support now available see: http://www.openssl.org
