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v/vlib/crypto/cipher/des_cfb_test.v

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import crypto.des
import crypto.cipher
const (
key = '123456789012345678901234'.bytes()
iv = 'abcdegfh'.bytes()
str = '73c86d43a9d700a253a96c85b0f6b03ac9792e0e757f869cca306bd3cba1c62b'
)
fn test_triple_des_cfb() {
mut src := str.bytes()
triple_des_cfb_en(mut src, key, iv)
assert src.hex() == '00d963619a67c84ef3e300e35c4d03fecbb3c4b1a2ee1abbff706dbe6da94ab5803359d1a6ac2b9cda703dbc32071abb2b1682fccdc92903b4e06187512e6d46'
triple_des_cfb_de(mut src, key, iv)
assert src.bytestr() == str
println('test_triple_des_cfb ok')
}
fn test_des_cfb() {
mut src := str.bytes()
des_cfb_en(mut src, key[..8], iv)
assert src.hex() == '2743e2164b8604562f4ab73dd3d1bccb1fc08e77f34560b920ec8cce5c6a110ea1fcdc2a7ddd812e35387435de2985f6e636893db25a9d0683748edc145e1ef0'
des_cfb_de(mut src, key[..8], iv)
assert src.bytestr() == str
println('test_des_cfb ok')
}
fn des_cfb_en(mut src []byte, key []byte, iv []byte) {
block := des.new_cipher(key)
mode := cipher.new_cfb_encrypter(block, iv)
mode.xor_key_stream(mut src, src.clone())
}
fn des_cfb_de(mut src []byte, key []byte, iv []byte) {
block := des.new_cipher(key)
mut mode := cipher.new_cfb_decrypter(block, iv)
mode.xor_key_stream(mut src, src.clone())
}
fn triple_des_cfb_en(mut src []byte, key []byte, iv []byte) {
block := des.new_triple_des_cipher(key)
mode := cipher.new_cfb_encrypter(block, iv)
mode.xor_key_stream(mut src, src.clone())
}
fn triple_des_cfb_de(mut src []byte, key []byte, iv []byte) {
block := des.new_triple_des_cipher(key)
mode := cipher.new_cfb_decrypter(block, iv)
mode.xor_key_stream(mut src, src.clone())
}