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use the definition in libsodium

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This commit is contained in:
Y. T. Chung
2015-01-27 22:51:58 +08:00
parent ac4d8db159
commit 4db360f156
1 changed files with 8 additions and 4 deletions
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src/crypto/cipher.rs
+8 -4
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@@ -196,6 +196,8 @@ pub enum CipherType {
impl CipherType {
pub fn block_size(&self) -> usize {
use libsodium_ffi::{crypto_stream_chacha20_NONCEBYTES, crypto_stream_salsa20_NONCEBYTES};
match *self {
CipherType::Table => 0,
@@ -236,12 +238,14 @@ impl CipherType {
#[cfg(feature = "cipher-rc4")] CipherType::Rc4Md5 => 16,
#[cfg(feature = "cipher-seed-cfb")] CipherType::SeedCfb => 16,
#[cfg(feature = "cipher-chacha20")] CipherType::ChaCha20 => 8,
#[cfg(feature = "cipher-salsa20")] CipherType::Salsa20 => 8,
#[cfg(feature = "cipher-chacha20")] CipherType::ChaCha20 => crypto_stream_chacha20_NONCEBYTES as usize,
#[cfg(feature = "cipher-salsa20")] CipherType::Salsa20 => crypto_stream_salsa20_NONCEBYTES as usize,
}
}
pub fn key_size(&self) -> usize {
use libsodium_ffi::{crypto_stream_chacha20_KEYBYTES, crypto_stream_salsa20_KEYBYTES};
match *self {
CipherType::Table => 0,
@@ -282,8 +286,8 @@ impl CipherType {
#[cfg(feature = "cipher-rc4")] CipherType::Rc4Md5 => 16,
#[cfg(feature = "cipher-seed-cfb")] CipherType::SeedCfb => 16,
#[cfg(feature = "cipher-chacha20")] CipherType::ChaCha20 => 32,
#[cfg(feature = "cipher-salsa20")] CipherType::Salsa20 => 32,
#[cfg(feature = "cipher-chacha20")] CipherType::ChaCha20 => crypto_stream_chacha20_KEYBYTES as usize,
#[cfg(feature = "cipher-salsa20")] CipherType::Salsa20 => crypto_stream_salsa20_KEYBYTES as usize,
}
}