use crypto::rc4::Rc4;
use crypto::symmetriccipher::SynchronousStreamCipher;
pub const RC4_KEY_SIZE: usize = 16;
pub fn rc4_encrypt(key: &[u8], data: &[u8]) -> Vec<u8> {
let mut rc4_cipher = Rc4::new(key);
let mut result: Vec<u8> = vec![0; data.len()];
rc4_cipher.process(data, &mut result);
return result;
}
pub fn rc4_decrypt(key: &[u8], ciphertext: &[u8]) -> Vec<u8> {
return rc4_encrypt(key, ciphertext);
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn test_rc4_encrypt() {
assert_eq!(
Vec::<u8>::new(),
rc4_encrypt(
&[
0x2d, 0xc0, 0x9b, 0x8b, 0x35, 0xaf, 0x9c, 0x03, 0x6f, 0xc3,
0xf2, 0x9c, 0xdb, 0xc0, 0x5f, 0xbb
],
&[]
)
);
assert_eq!(
vec![0xc2, 0x54, 0xb7, 0x4f],
rc4_encrypt(
&[
0x9a, 0x06, 0x98, 0xf1, 0xb4, 0x8b, 0xc6, 0x4c, 0x95, 0xcf,
0xf7, 0x4b, 0xf4, 0x69, 0x16, 0x39
],
&[0x61, 0x62, 0x63, 0x64]
)
);
assert_eq!(
vec![0xf9, 0xa2, 0x78, 0x82, 0x74, 0x20, 0x6f, 0x81, 0x31, 0x05],
rc4_encrypt(
&[
0x59, 0x51, 0xa7, 0xa9, 0x11, 0xb8, 0x9b, 0xfb, 0x36, 0x18,
0x43, 0xbb, 0xa9, 0x8f, 0xfe, 0x54
],
&[0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, 0x6f, 0x70]
)
);
assert_eq!(
vec![0x38, 0xe2, 0xf5, 0x06, 0xe1, 0x98, 0xe8, 0x17],
rc4_encrypt(
&[
0xaa, 0x21, 0xa8, 0xa4, 0x23, 0xd6, 0x60, 0xa6, 0x58, 0xd6,
0x1a, 0x86, 0xc8, 0xa9, 0x4e, 0xeb
],
&[0x61, 0x73, 0x64, 0x66, 0x67, 0x68, 0x6a, 0x6b]
)
);
assert_eq!(
vec![0x2d, 0x62, 0x3b, 0x28, 0x74, 0x09, 0xfe, 0xcc, 0x6c],
rc4_encrypt(
&[
0x22, 0x4d, 0xcb, 0x99, 0x1b, 0x06, 0x35, 0x5b, 0x82, 0x77,
0x8d, 0x74, 0x18, 0xad, 0xd0, 0xcf
],
&[0x7a, 0x78, 0x63, 0x76, 0x62, 0x6e, 0x6d, 0x2c, 0x2e]
)
);
assert_eq!(
vec![0x20, 0xbe, 0x07, 0x98],
rc4_encrypt(
&[
0x80, 0x33, 0x46, 0x1a, 0xb9, 0x1d, 0xf1, 0x61, 0xb4, 0x06,
0x62, 0x71, 0xd0, 0x2d, 0x3f, 0x82
],
&[0x61, 0x62, 0x63, 0x64]
)
);
assert_eq!(
vec![0x1a, 0xed, 0xad, 0x97, 0xc5, 0xd2, 0x3a, 0x10, 0xde, 0xee],
rc4_encrypt(
&[
0x45, 0x25, 0xbd, 0x9d, 0xcc, 0x2a, 0xaa, 0xb4, 0x86, 0x60,
0x4c, 0x46, 0x52, 0xf8, 0x6e, 0xc3
],
&[0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, 0x6f, 0x70]
)
);
assert_eq!(
vec![0xef, 0x5f, 0x86, 0xc6, 0x09, 0x4c, 0x0d, 0x05],
rc4_encrypt(
&[
0xb4, 0xd5, 0x9f, 0xcd, 0x1e, 0xf1, 0xf1, 0x2a, 0x1a, 0xc5,
0xa4, 0x11, 0x2d, 0x5e, 0x1e, 0xc1
],
&[0x61, 0x73, 0x64, 0x66, 0x67, 0x68, 0x6a, 0x6b]
)
);
assert_eq!(
vec![0x9b, 0x0b, 0x32, 0x45, 0x30, 0x14, 0x69, 0x17, 0x05],
rc4_encrypt(
&[
0xaf, 0x95, 0xcb, 0x8e, 0xf6, 0x07, 0x0d, 0x12, 0x03, 0x9c,
0x68, 0xe2, 0xbe, 0xb5, 0xe2, 0xf2
],
&[0x7a, 0x78, 0x63, 0x76, 0x62, 0x6e, 0x6d, 0x2c, 0x2e]
)
);
assert_eq!(
vec![0x95, 0xb3, 0x43, 0xd1],
rc4_encrypt(
&[
0x79, 0x8a, 0xac, 0x10, 0xf4, 0xc3, 0x91, 0x86, 0x47, 0xea,
0x92, 0x36, 0x73, 0x8b, 0xf3, 0x25
],
&[0x61, 0x62, 0x63, 0x64]
)
);
assert_eq!(
vec![0x60, 0xa2, 0x6e, 0x7b, 0xe4, 0x8f, 0xd3, 0xba, 0x9a, 0xfd],
rc4_encrypt(
&[
0xbb, 0xd0, 0x9d, 0x84, 0xeb, 0x12, 0xcc, 0x2e, 0x4a, 0xa0,
0x10, 0xea, 0x16, 0xa8, 0xc8, 0xa9
],
&[0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, 0x6f, 0x70]
)
);
assert_eq!(
vec![0x62, 0x3e, 0x6f, 0xac, 0xf6, 0xab, 0x56, 0x55],
rc4_encrypt(
&[
0x4a, 0x60, 0x81, 0x8f, 0x1a, 0x8e, 0xfa, 0x3a, 0x15, 0xbb,
0x6c, 0x28, 0xf5, 0x75, 0x59, 0x43
],
&[0x61, 0x73, 0x64, 0x66, 0x67, 0x68, 0x6a, 0x6b]
)
);
assert_eq!(
vec![0xa4, 0x97, 0xfa, 0xbe, 0x67, 0x95, 0x91, 0x7d, 0x0a],
rc4_encrypt(
&[
0x87, 0xa8, 0x59, 0x7a, 0x75, 0x0b, 0xc8, 0x7f, 0x58, 0x73,
0xaa, 0xd6, 0x4a, 0x3c, 0xa0, 0x8f
],
&[0x7a, 0x78, 0x63, 0x76, 0x62, 0x6e, 0x6d, 0x2c, 0x2e]
)
);
assert_eq!(
vec![0xf4, 0x3b, 0x20, 0x39],
rc4_encrypt(
&[
0xea, 0x1c, 0x52, 0x6c, 0x3d, 0x89, 0x5e, 0xeb, 0x84, 0x98,
0x29, 0x8b, 0x13, 0xf1, 0x08, 0x96
],
&[0x61, 0x62, 0x63, 0x64]
)
);
assert_eq!(
vec![0x35, 0x14, 0xa2, 0xc2, 0x5f, 0x89, 0xda, 0x66, 0xa5, 0x61],
rc4_encrypt(
&[
0x6c, 0xb9, 0x30, 0xb9, 0x66, 0x9a, 0x83, 0x2f, 0x2a, 0xce,
0x4a, 0xeb, 0x03, 0xba, 0xfc, 0x42
],
&[0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, 0x6f, 0x70]
)
);
assert_eq!(
vec![0xa2, 0x26, 0x2a, 0xb1, 0xbb, 0xcd, 0xac, 0x74],
rc4_encrypt(
&[
0xcd, 0x2e, 0x36, 0xdc, 0x8a, 0xdd, 0x03, 0xc6, 0x97, 0xe9,
0x31, 0x8d, 0x10, 0x9f, 0xb0, 0x9b
],
&[0x61, 0x73, 0x64, 0x66, 0x67, 0x68, 0x6a, 0x6b]
)
);
assert_eq!(
vec![0x7f, 0x14, 0x02, 0x95, 0xb8, 0x52, 0x9d, 0xa0, 0xd6],
rc4_encrypt(
&[
0xa9, 0x65, 0x79, 0x47, 0x7e, 0x2f, 0x69, 0x3f, 0xa4, 0x3d,
0x1b, 0xc5, 0xa0, 0x59, 0x32, 0x62
],
&[0x7a, 0x78, 0x63, 0x76, 0x62, 0x6e, 0x6d, 0x2c, 0x2e]
)
);
assert_eq!(
vec![0x86, 0x5e, 0x66, 0x2f],
rc4_encrypt(
&[
0x62, 0x6a, 0x38, 0x15, 0xb0, 0x95, 0xa6, 0x8b, 0xf5, 0x7d,
0x54, 0x39, 0xf6, 0x0c, 0x27, 0x6c
],
&[0x61, 0x62, 0x63, 0x64]
)
);
assert_eq!(
vec![0xf5, 0x0e, 0x7f, 0xdd, 0xb9, 0xab, 0x43, 0x70, 0xec, 0x58],
rc4_encrypt(
&[
0x7e, 0x54, 0xa2, 0x51, 0x3d, 0x39, 0xb4, 0x9b, 0xfd, 0xc2,
0xe8, 0x67, 0x21, 0xe3, 0x46, 0x48
],
&[0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, 0x6f, 0x70]
)
);
assert_eq!(
vec![0x52, 0xbc, 0x09, 0x0b, 0x60, 0x8e, 0xf3, 0x8d],
rc4_encrypt(
&[
0x63, 0xb8, 0x7e, 0xa3, 0x2a, 0x07, 0xf8, 0x45, 0x66, 0xca,
0xdf, 0xcb, 0x6d, 0xa0, 0x33, 0x9a
],
&[0x61, 0x73, 0x64, 0x66, 0x67, 0x68, 0x6a, 0x6b]
)
);
assert_eq!(
vec![0x55, 0x90, 0xed, 0xc3, 0x83, 0xf5, 0x88, 0xf6, 0xea],
rc4_encrypt(
&[
0x05, 0x35, 0x0c, 0x93, 0xe5, 0xc3, 0xdc, 0x7f, 0xa5, 0xde,
0x58, 0x54, 0x68, 0xa9, 0xa3, 0x50
],
&[0x7a, 0x78, 0x63, 0x76, 0x62, 0x6e, 0x6d, 0x2c, 0x2e]
)
);
assert_eq!(
vec![0x02, 0xfb, 0xa1, 0x85],
rc4_encrypt(
&[
0xa2, 0x75, 0x6b, 0x80, 0xaa, 0x4e, 0x84, 0xf0, 0xce, 0xe0,
0x2e, 0xf5, 0x92, 0xba, 0x87, 0x27
],
&[0x61, 0x62, 0x63, 0x64]
)
);
assert_eq!(
vec![0x95, 0x86, 0x99, 0xc4, 0x95, 0x97, 0x7f, 0x32, 0xc3, 0x4b],
rc4_encrypt(
&[
0xf9, 0x9c, 0xd9, 0x33, 0xf7, 0x5e, 0xd5, 0x7d, 0x0c, 0xec,
0x03, 0x1d, 0x2a, 0x18, 0xd7, 0xbc
],
&[0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, 0x6f, 0x70]
)
);
assert_eq!(
vec![0xb4, 0x4e, 0xbe, 0x53, 0x87, 0xc0, 0x61, 0xa3],
rc4_encrypt(
&[
0x5b, 0xd2, 0xae, 0x8f, 0xee, 0x7c, 0xf9, 0xce, 0x22, 0x58,
0x9c, 0x3f, 0xab, 0xc1, 0x84, 0xcf
],
&[0x61, 0x73, 0x64, 0x66, 0x67, 0x68, 0x6a, 0x6b]
)
);
assert_eq!(
vec![0xbc, 0xfb, 0xcd, 0x79, 0xdc, 0xea, 0x73, 0xb3, 0x3d],
rc4_encrypt(
&[
0xef, 0x6a, 0x67, 0xfc, 0xa3, 0xca, 0x20, 0x5f, 0x3c, 0x30,
0xfc, 0x1a, 0x04, 0x5a, 0xe5, 0x4b
],
&[0x7a, 0x78, 0x63, 0x76, 0x62, 0x6e, 0x6d, 0x2c, 0x2e]
)
);
}
#[test]
fn test_rc4_decrypt() {
assert_eq!(
Vec::<u8>::new(),
rc4_decrypt(
&[
0x2d, 0xc0, 0x9b, 0x8b, 0x35, 0xaf, 0x9c, 0x03, 0x6f, 0xc3,
0xf2, 0x9c, 0xdb, 0xc0, 0x5f, 0xbb
],
&[]
)
);
assert_eq!(
vec![0x61, 0x62, 0x63, 0x64],
rc4_decrypt(
&[
0x9a, 0x06, 0x98, 0xf1, 0xb4, 0x8b, 0xc6, 0x4c, 0x95, 0xcf,
0xf7, 0x4b, 0xf4, 0x69, 0x16, 0x39
],
&[0xc2, 0x54, 0xb7, 0x4f]
)
);
assert_eq!(
vec![0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, 0x6f, 0x70],
rc4_decrypt(
&[
0x59, 0x51, 0xa7, 0xa9, 0x11, 0xb8, 0x9b, 0xfb, 0x36, 0x18,
0x43, 0xbb, 0xa9, 0x8f, 0xfe, 0x54
],
&[0xf9, 0xa2, 0x78, 0x82, 0x74, 0x20, 0x6f, 0x81, 0x31, 0x05]
)
);
assert_eq!(
vec![0x61, 0x73, 0x64, 0x66, 0x67, 0x68, 0x6a, 0x6b],
rc4_decrypt(
&[
0xaa, 0x21, 0xa8, 0xa4, 0x23, 0xd6, 0x60, 0xa6, 0x58, 0xd6,
0x1a, 0x86, 0xc8, 0xa9, 0x4e, 0xeb
],
&[0x38, 0xe2, 0xf5, 0x06, 0xe1, 0x98, 0xe8, 0x17]
)
);
assert_eq!(
vec![0x7a, 0x78, 0x63, 0x76, 0x62, 0x6e, 0x6d, 0x2c, 0x2e],
rc4_decrypt(
&[
0x22, 0x4d, 0xcb, 0x99, 0x1b, 0x06, 0x35, 0x5b, 0x82, 0x77,
0x8d, 0x74, 0x18, 0xad, 0xd0, 0xcf
],
&[0x2d, 0x62, 0x3b, 0x28, 0x74, 0x09, 0xfe, 0xcc, 0x6c]
)
);
assert_eq!(
vec![0x61, 0x62, 0x63, 0x64],
rc4_decrypt(
&[
0x80, 0x33, 0x46, 0x1a, 0xb9, 0x1d, 0xf1, 0x61, 0xb4, 0x06,
0x62, 0x71, 0xd0, 0x2d, 0x3f, 0x82
],
&[0x20, 0xbe, 0x07, 0x98]
)
);
}
}