I'm afraid that I couldn't find any examples on how to use the EVP functions, and still do not know how I would go about implementing it. The only restriction I have on my code is that the encrypted input file is 3DES ECB encrypted.
Stella On Wed, May 01, 2002 at 09:03:42AM -0700, Aleksey Sanin wrote: > Do you have any reason to do not use EVP_Cipher*() functions instead of > low-level des_ecb3_encrypt()? EVP functions provide very good abstraction > layer and hide many algorithm specific details. > > Aleksey Sanin. > > Stella Power wrote: > > >hi, > > > >I'm trying to use the crypto library to decrypt a file which has been > >encrypted using triple-DES. > > > >I have the following declarations: > >char *temp; > >char **elines; > >des_cblock *input; > > > >I have a function which parses the file and grabs the encrypted strings > > temp = parse_file(&mapped_file); > >I then set elines[i] = temp; > >However I can't pass elines[i] to des_ecb3_encrypt() as it is not declared > >as des_cblock. > >Is there any way of casting it, passing it, some way of passing the data > >returned by the parse_file() function to des_ecb3_encrypt()? > > > >Also, am I right in thinking that des_cblock being defined the way it is , > >that you can only decrypt in batches of 8 characters?? > > > >Thanks! > >Stella > > > >______________________________________________________________________ > >OpenSSL Project http://www.openssl.org > >User Support Mailing List [EMAIL PROTECTED] > >Automated List Manager [EMAIL PROTECTED] > > > > > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > User Support Mailing List [EMAIL PROTECTED] > Automated List Manager [EMAIL PROTECTED] ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]