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ivars
2008 Jun 06
1
Need help with Decryption using blowfish CBC
...an help me out here. I''ve burned almost a week trying
to figure out how to decrypt
an image file that has been encrypted using Blowfish CBC.
I found some code on the net and have modified as follows:
require ''openssl''
require ''digest/sha1''
ivArr = [0x0D,
0x0E,
0x0A,
0x0D,
0x0F,
0x0A,
0x0C,
0x0E
]
iv = ivArr.pack("cccccccc")
bf = OpenSSL::Cipher::Cipher.new("BF-CBC")
key = Digest::SHA1.hexdigest("fOyBtMaN4u2T")
bf.decrypt
bf.key = key
bf.iv = iv
File.open("C:\\mapcryp...