v / vlib / crypto / cipher / des_ofb_test.v
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1import crypto.des


2import crypto.cipher


3


4const key = '123456789012345678901234'.bytes()


5const iv = 'abcdegfh'.bytes()


6const str = '73c86d43a9d700a253a96c85b0f6b03ac9792e0e757f869cca306bd3cba1c62b'


7


8fn test_triple_des_ofb() {


9    mut src := str.bytes()


10


11    triple_des_ofb_en(mut src, key, iv)


12    assert src.hex() == '00d963619a67c84e46741a47e972e407121885af78b8ef64a9b835366e5314b8031940a9c33a4c0e1ce3b417c9fd04c3f99f31821ebfc9f8cb9e80cc50cfd91e'


13


14    triple_des_ofb_de(mut src, key, iv)


15    assert src.bytestr() == str


16    println('test_triple_des_ofb ok')


17}


18


19fn test_des_ofb() {


20    mut src := str.bytes()


21


22    des_ofb_en(mut src, key[..8], iv)


23    assert src.hex() == '2743e2164b860456c1313fb9b1196a70bb217dfad57be81cb10f368dd1ee13b06bb776eb52e0b4f6b1af32f44b8f094cfd3c0892021a2aa93f6a9e2139ba26f3'


24


25    des_ofb_de(mut src, key[..8], iv)


26    assert src.bytestr() == str


27    println('test_des_ofb ok')


28}


29


30fn des_ofb_en(mut src []u8, key []u8, iv []u8) {


31    block := des.new_cipher(key)


32    mut mode := cipher.new_ofb(block, iv)


33    mode.xor_key_stream(mut src, src.clone())


34}


35


36fn des_ofb_de(mut src []u8, key []u8, iv []u8) {


37    block := des.new_cipher(key)


38    mut mode := cipher.new_ofb(block, iv)


39    mode.xor_key_stream(mut src, src.clone())


40}


41


42fn triple_des_ofb_en(mut src []u8, key []u8, iv []u8) {


43    block := des.new_triple_des_cipher(key)


44    mut mode := cipher.new_ofb(block, iv)


45    mode.xor_key_stream(mut src, src.clone())


46}


47


48fn triple_des_ofb_de(mut src []u8, key []u8, iv []u8) {


49    block := des.new_triple_des_cipher(key)


50    mut mode := cipher.new_ofb(block, iv)


51    mode.xor_key_stream(mut src, src.clone())


52}


53