On Fri July 1 2011, Jeffrey Walton wrote: > On Fri, Jul 1, 2011 at 8:58 AM, Daniel Wambold <wambo...@gmail.com> wrote: > > Hello list. Sorry for what is likely a simple question but I'm running out > > of time and could use a quick hand. I have a program that encrypts data > > using AES256 CBC mode and a 256 bit (obviously) key provided directly to > > the encryption engine as-is.
openssl enc -help unknown option '-help' options are -in <file> input file -out <file> output file -pass <arg> pass phrase source -e encrypt -d decrypt -a/-base64 base64 encode/decode, depending on encryption flag -k key is the next argument -kfile key is the first line of the file argument -K/-iv key/iv in hex is the next argument -[pP] print the iv/key (then exit if -P) -bufsize <n> buffer size -engine e use engine e, possibly a hardware device. Cipher Types -aes-128-cbc -aes-128-cfb -aes-128-ecb -aes-128-ofb -aes-192-cbc -aes-192-cfb -aes-192-ecb -aes-192-ofb -aes-256-cbc -aes-256-cfb -aes-256-ecb -aes-256-ofb -aes128 -aes192 -aes256 -bf -bf-cbc -bf-cfb -bf-ecb -bf-ofb -blowfish -cast -cast-cbc -cast5-cbc -cast5-cfb -cast5-ecb -cast5-ofb -des -des-cbc -des-cfb -des-ecb -des-ede -des-ede-cbc -des-ede-cfb -des-ede-ofb -des-ede3 -des-ede3-cbc -des-ede3-cfb -des-ede3-ofb -des-ofb -des3 -desx -desx-cbc -idea -idea-cbc -idea-cfb -idea-ecb -idea-ofb -rc2 -rc2-40-cbc -rc2-64-cbc -rc2-cbc -rc2-cfb -rc2-ecb -rc2-ofb -rc4 -rc4-40 -rc5 -rc5-cbc -rc5-cfb -rc5-ecb -rc5-ofb For details, remember that "man" is your friend: $ >man enc If your Windows install does not support the manual command - then ask Google, Google knows many "man" sites. Mike > > I need our Windows-using counterpart to encrypt a file in exactly the same > > way, with exactly the same key. OpenSSL seems to provide command-line > > access to all the parameters we need (pkcs7, CBC), I need to ask it to use > > an encryption key rather than a passphrase (which is, presumably, converted > > to a 256 bit key). I started poring over the source but I haven't yet found > > the conversion from passphrase to key. Could someone point me to the code > > snippet or simply summarize the procedure for me so I can code the same > > thing into my app? Alternatively, if there's a way to give OpenSSL a key > > directly, that would be very helpful. Thanks in advance! > http://www.openssl.org/docs/crypto/evp.html > http://www.openssl.org/docs/crypto/EVP_EncryptInit.html > > Perhaps you should enlist some help from someone familiar with > OpenSSL. OpenSSL's consulting page is at > http://www.openssl.org/support/consulting.html. Shining Light offers a > lot of OpenSSL/Windows stuff at no charge. It would probably be > appreciated if you engaged Thomas at > http://www.slproweb.com/products/Win32OpenSSL.html. > > Jeff > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > User Support Mailing List openssl-users@openssl.org > Automated List Manager majord...@openssl.org > > ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
