v/vlib/crypto/cipher/des_ofb_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_ofb() {
mut src := str.bytes()
triple_des_ofb_en(mut src, key, iv)
assert src.hex() == '00d963619a67c84e46741a47e972e407121885af78b8ef64a9b835366e5314b8031940a9c33a4c0e1ce3b417c9fd04c3f99f31821ebfc9f8cb9e80cc50cfd91e'
triple_des_ofb_de(mut src, key, iv)
assert src.bytestr() == str
println('test_triple_des_ofb ok')
}
fn test_des_ofb() {
mut src := str.bytes()
des_ofb_en(mut src, key[..8], iv)
assert src.hex() == '2743e2164b860456c1313fb9b1196a70bb217dfad57be81cb10f368dd1ee13b06bb776eb52e0b4f6b1af32f44b8f094cfd3c0892021a2aa93f6a9e2139ba26f3'
des_ofb_de(mut src, key[..8], iv)
assert src.bytestr() == str
println('test_des_ofb ok')
}
fn des_ofb_en(mut src []byte, key []byte, iv []byte) {
block := des.new_cipher(key)
mode := cipher.new_ofb(block, iv)
mode.xor_key_stream(mut src, src.clone())
}
fn des_ofb_de(mut src []byte, key []byte, iv []byte) {
block := des.new_cipher(key)
mut mode := cipher.new_ofb(block, iv)
mode.xor_key_stream(mut src, src.clone())
}
fn triple_des_ofb_en(mut src []byte, key []byte, iv []byte) {
block := des.new_triple_des_cipher(key)
mode := cipher.new_ofb(block, iv)
mode.xor_key_stream(mut src, src.clone())
}
fn triple_des_ofb_de(mut src []byte, key []byte, iv []byte) {
block := des.new_triple_des_cipher(key)
mut mode := cipher.new_ofb(block, iv)
mode.xor_key_stream(mut src, src.clone())
}