Pass symmetric crypto initialization vector as a slice

Note: This change is backwards-incompatible. Users will need to add turn their
parameters into references.
This commit is contained in:
Jethro Beekman 2015-06-12 18:38:52 -07:00
parent 1b824022ec
commit cbf0cbafbf
1 changed files with 7 additions and 7 deletions

View File

@ -86,7 +86,7 @@ impl Crypter {
/**
* Initializes this crypter.
*/
pub fn init(&self, mode: Mode, key: &[u8], iv: Vec<u8>) {
pub fn init(&self, mode: Mode, key: &[u8], iv: &[u8]) {
unsafe {
let mode = match mode {
Mode::Encrypt => 1 as c_int,
@ -157,7 +157,7 @@ impl Drop for Crypter {
* Encrypts data, using the specified crypter type in encrypt mode with the
* specified key and iv; returns the resulting (encrypted) data.
*/
pub fn encrypt(t: Type, key: &[u8], iv: Vec<u8>, data: &[u8]) -> Vec<u8> {
pub fn encrypt(t: Type, key: &[u8], iv: &[u8], data: &[u8]) -> Vec<u8> {
let c = Crypter::new(t);
c.init(Mode::Encrypt, key, iv);
let mut r = c.update(data);
@ -170,7 +170,7 @@ pub fn encrypt(t: Type, key: &[u8], iv: Vec<u8>, data: &[u8]) -> Vec<u8> {
* Decrypts data, using the specified crypter type in decrypt mode with the
* specified key and iv; returns the resulting (decrypted) data.
*/
pub fn decrypt(t: Type, key: &[u8], iv: Vec<u8>, data: &[u8]) -> Vec<u8> {
pub fn decrypt(t: Type, key: &[u8], iv: &[u8], data: &[u8]) -> Vec<u8> {
let c = Crypter::new(t);
c.init(Mode::Decrypt, key, iv);
let mut r = c.update(data);
@ -199,12 +199,12 @@ mod tests {
vec!(0x8eu8, 0xa2u8, 0xb7u8, 0xcau8, 0x51u8, 0x67u8, 0x45u8, 0xbfu8,
0xeau8, 0xfcu8, 0x49u8, 0x90u8, 0x4bu8, 0x49u8, 0x60u8, 0x89u8);
let c = super::Crypter::new(super::Type::AES_256_ECB);
c.init(super::Mode::Encrypt, &k0, vec![]);
c.init(super::Mode::Encrypt, &k0, &[]);
c.pad(false);
let mut r0 = c.update(&p0);
r0.extend(c.finalize().into_iter());
assert!(r0 == c0);
c.init(super::Mode::Decrypt, &k0, vec![]);
c.init(super::Mode::Decrypt, &k0, &[]);
c.pad(false);
let mut p1 = c.update(&r0);
p1.extend(c.finalize().into_iter());
@ -230,7 +230,7 @@ mod tests {
0x4a_u8, 0x2e_u8, 0xe5_u8, 0x6_u8, 0xbf_u8, 0xcf_u8, 0xf2_u8, 0xd7_u8,
0xea_u8, 0x2d_u8, 0xb1_u8, 0x85_u8, 0x6c_u8, 0x93_u8, 0x65_u8, 0x6f_u8
];
cr.init(super::Mode::Decrypt, &data, iv);
cr.init(super::Mode::Decrypt, &data, &iv);
cr.pad(false);
let unciphered_data_1 = cr.update(&ciphered_data);
let unciphered_data_2 = cr.finalize();
@ -246,7 +246,7 @@ mod tests {
use serialize::hex::ToHex;
let cipher = super::Crypter::new(ciphertype);
cipher.init(super::Mode::Encrypt, &key.from_hex().unwrap(), iv.from_hex().unwrap());
cipher.init(super::Mode::Encrypt, &key.from_hex().unwrap(), &iv.from_hex().unwrap());
let expected = ct.from_hex().unwrap();
let mut computed = cipher.update(&pt.from_hex().unwrap());