Encryption & compression tests/benches

This commit is contained in:
Dennis Schwerdel 2017-07-03 11:48:25 +02:00
parent 18891198f1
commit 263339077e
5 changed files with 628 additions and 9 deletions

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@ -38,3 +38,7 @@ chunking = {path="chunking"}
[build-dependencies] [build-dependencies]
pkg-config = "0.3" pkg-config = "0.3"
[features]
default = []
bench = []

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@ -184,7 +184,7 @@ pub fn run(path: &str, bundle_size: usize, chunker: ChunkerType, compression: Op
c.finish(&mut dummy).unwrap(); c.finish(&mut dummy).unwrap();
} }
}).num_milliseconds() as f32 / 1_000.0; }).num_milliseconds() as f32 / 1_000.0;
println!("- {}, {}", to_duration(decompress_time), to_speed(size, decompress_time)); println!("- {}, {}", to_duration(decompress_time), to_speed(total_size - dup_size as u64, decompress_time));
total_read_time += decompress_time; total_read_time += decompress_time;
} }

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@ -1,5 +1,7 @@
#![recursion_limit="128"] #![recursion_limit="128"]
#![allow(unknown_lints, float_cmp)] #![allow(unknown_lints, float_cmp)]
#![cfg_attr(feature = "bench", feature(test))]
#[cfg(feature = "bench")] extern crate test;
extern crate serde; extern crate serde;
extern crate serde_bytes; extern crate serde_bytes;
extern crate rmp_serde; extern crate rmp_serde;

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@ -393,3 +393,455 @@ mod tests {
} }
} }
#[cfg(feature = "bench")]
mod benches {
#[allow(unused_imports)]
use super::*;
use test::Bencher;
#[allow(dead_code, needless_range_loop)]
fn test_data(n: usize) -> Vec<u8> {
let mut input = vec![0; n];
for i in 0..input.len() {
input[i] = (i * i * i) as u8;
}
input
}
#[allow(dead_code)]
fn bench_stream_compression(b: &mut Bencher, method: Compression) {
let input = test_data(512*1024);
b.iter(|| {
let mut compressor = method.compress_stream().unwrap();
let mut compressed = Vec::with_capacity(input.len());
compressor.process(&input, &mut compressed).unwrap();
compressor.finish(&mut compressed).unwrap();
});
b.bytes = input.len() as u64;
}
#[allow(dead_code)]
fn bench_stream_decompression(b: &mut Bencher, method: Compression) {
let input = test_data(512*1024);
let mut compressor = method.compress_stream().unwrap();
let mut compressed = Vec::with_capacity(input.len());
compressor.process(&input, &mut compressed).unwrap();
compressor.finish(&mut compressed).unwrap();
b.iter(|| {
let mut decompressor = method.decompress_stream().unwrap();
let mut decompressed = Vec::with_capacity(compressed.len());
decompressor.process(&compressed, &mut decompressed).unwrap();
decompressor.finish(&mut decompressed).unwrap();
});
b.bytes = input.len() as u64;
}
#[bench]
fn bench_deflate_1_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("deflate/1").unwrap())
}
#[bench]
fn bench_deflate_2_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("deflate/2").unwrap())
}
#[bench]
fn bench_deflate_3_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("deflate/3").unwrap())
}
#[bench]
fn bench_deflate_4_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("deflate/4").unwrap())
}
#[bench]
fn bench_deflate_5_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("deflate/5").unwrap())
}
#[bench]
fn bench_deflate_6_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("deflate/6").unwrap())
}
#[bench]
fn bench_deflate_7_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("deflate/7").unwrap())
}
#[bench]
fn bench_deflate_8_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("deflate/8").unwrap())
}
#[bench]
fn bench_deflate_9_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("deflate/9").unwrap())
}
#[bench]
fn bench_deflate_1_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("deflate/1").unwrap())
}
#[bench]
fn bench_deflate_2_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("deflate/2").unwrap())
}
#[bench]
fn bench_deflate_3_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("deflate/3").unwrap())
}
#[bench]
fn bench_deflate_4_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("deflate/4").unwrap())
}
#[bench]
fn bench_deflate_5_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("deflate/5").unwrap())
}
#[bench]
fn bench_deflate_6_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("deflate/6").unwrap())
}
#[bench]
fn bench_deflate_7_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("deflate/7").unwrap())
}
#[bench]
fn bench_deflate_8_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("deflate/8").unwrap())
}
#[bench]
fn bench_deflate_9_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("deflate/9").unwrap())
}
#[bench]
fn bench_brotli_1_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("brotli/1").unwrap())
}
#[bench]
fn bench_brotli_2_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("brotli/2").unwrap())
}
#[bench]
fn bench_brotli_3_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("brotli/3").unwrap())
}
#[bench]
fn bench_brotli_4_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("brotli/4").unwrap())
}
#[bench]
fn bench_brotli_5_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("brotli/5").unwrap())
}
#[bench]
fn bench_brotli_6_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("brotli/6").unwrap())
}
#[bench]
fn bench_brotli_7_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("brotli/7").unwrap())
}
#[bench]
fn bench_brotli_8_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("brotli/8").unwrap())
}
#[bench]
fn bench_brotli_9_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("brotli/9").unwrap())
}
#[bench]
fn bench_brotli_10_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("brotli/10").unwrap())
}
#[bench]
fn bench_brotli_11_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("brotli/11").unwrap())
}
#[bench]
fn bench_brotli_1_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("brotli/1").unwrap())
}
#[bench]
fn bench_brotli_2_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("brotli/2").unwrap())
}
#[bench]
fn bench_brotli_3_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("brotli/3").unwrap())
}
#[bench]
fn bench_brotli_4_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("brotli/4").unwrap())
}
#[bench]
fn bench_brotli_5_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("brotli/5").unwrap())
}
#[bench]
fn bench_brotli_6_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("brotli/6").unwrap())
}
#[bench]
fn bench_brotli_7_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("brotli/7").unwrap())
}
#[bench]
fn bench_brotli_8_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("brotli/8").unwrap())
}
#[bench]
fn bench_brotli_9_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("brotli/9").unwrap())
}
#[bench]
fn bench_brotli_10_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("brotli/10").unwrap())
}
#[bench]
fn bench_brotli_11_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("brotli/11").unwrap())
}
#[bench]
fn bench_lzma_1_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lzma/1").unwrap())
}
#[bench]
fn bench_lzma_2_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lzma/2").unwrap())
}
#[bench]
fn bench_lzma_3_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lzma/3").unwrap())
}
#[bench]
fn bench_lzma_4_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lzma/4").unwrap())
}
#[bench]
fn bench_lzma_5_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lzma/5").unwrap())
}
#[bench]
fn bench_lzma_6_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lzma/6").unwrap())
}
#[bench]
fn bench_lzma_7_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lzma/7").unwrap())
}
#[bench]
fn bench_lzma_8_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lzma/8").unwrap())
}
#[bench]
fn bench_lzma_9_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lzma/9").unwrap())
}
#[bench]
fn bench_lzma_1_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lzma/1").unwrap())
}
#[bench]
fn bench_lzma_2_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lzma/2").unwrap())
}
#[bench]
fn bench_lzma_3_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lzma/3").unwrap())
}
#[bench]
fn bench_lzma_4_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lzma/4").unwrap())
}
#[bench]
fn bench_lzma_5_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lzma/5").unwrap())
}
#[bench]
fn bench_lzma_6_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lzma/6").unwrap())
}
#[bench]
fn bench_lzma_7_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lzma/7").unwrap())
}
#[bench]
fn bench_lzma_8_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lzma/8").unwrap())
}
#[bench]
fn bench_lzma_9_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lzma/9").unwrap())
}
#[bench]
fn bench_lz4_1_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lz4/1").unwrap())
}
#[bench]
fn bench_lz4_2_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lz4/2").unwrap())
}
#[bench]
fn bench_lz4_3_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lz4/3").unwrap())
}
#[bench]
fn bench_lz4_4_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lz4/4").unwrap())
}
#[bench]
fn bench_lz4_5_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lz4/5").unwrap())
}
#[bench]
fn bench_lz4_6_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lz4/6").unwrap())
}
#[bench]
fn bench_lz4_7_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lz4/7").unwrap())
}
#[bench]
fn bench_lz4_8_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lz4/8").unwrap())
}
#[bench]
fn bench_lz4_9_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lz4/9").unwrap())
}
#[bench]
fn bench_lz4_10_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lz4/10").unwrap())
}
#[bench]
fn bench_lz4_11_compress(b: &mut Bencher) {
bench_stream_compression(b, Compression::from_string("lz4/11").unwrap())
}
#[bench]
fn bench_lz4_1_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lz4/1").unwrap())
}
#[bench]
fn bench_lz4_2_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lz4/2").unwrap())
}
#[bench]
fn bench_lz4_3_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lz4/3").unwrap())
}
#[bench]
fn bench_lz4_4_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lz4/4").unwrap())
}
#[bench]
fn bench_lz4_5_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lz4/5").unwrap())
}
#[bench]
fn bench_lz4_6_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lz4/6").unwrap())
}
#[bench]
fn bench_lz4_7_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lz4/7").unwrap())
}
#[bench]
fn bench_lz4_8_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lz4/8").unwrap())
}
#[bench]
fn bench_lz4_9_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lz4/9").unwrap())
}
#[bench]
fn bench_lz4_10_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lz4/10").unwrap())
}
#[bench]
fn bench_lz4_11_decompress(b: &mut Bencher) {
bench_stream_decompression(b, Compression::from_string("lz4/11").unwrap())
}
}

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@ -85,7 +85,7 @@ impl EncryptionMethod {
pub type Encryption = (EncryptionMethod, ByteBuf); pub type Encryption = (EncryptionMethod, ByteBuf);
struct KeyfileYaml { pub struct KeyfileYaml {
public: String, public: String,
secret: String secret: String
} }
@ -116,7 +116,7 @@ impl KeyfileYaml {
pub struct Crypto { pub struct Crypto {
path: PathBuf, path: Option<PathBuf>,
keys: HashMap<PublicKey, SecretKey> keys: HashMap<PublicKey, SecretKey>
} }
@ -124,7 +124,7 @@ impl Crypto {
#[inline] #[inline]
pub fn dummy() -> Self { pub fn dummy() -> Self {
sodium_init(); sodium_init();
Crypto { path: PathBuf::new(), keys: HashMap::new() } Crypto { path: None, keys: HashMap::new() }
} }
pub fn open<P: AsRef<Path>>(path: P) -> Result<Self, EncryptionError> { pub fn open<P: AsRef<Path>>(path: P) -> Result<Self, EncryptionError> {
@ -140,7 +140,7 @@ impl Crypto {
let secret = try!(SecretKey::from_slice(&secret).ok_or(EncryptionError::InvalidKey)); let secret = try!(SecretKey::from_slice(&secret).ok_or(EncryptionError::InvalidKey));
keys.insert(public, secret); keys.insert(public, secret);
} }
Ok(Crypto { path: path, keys: keys }) Ok(Crypto { path: Some(path), keys: keys })
} }
#[inline] #[inline]
@ -154,8 +154,12 @@ impl Crypto {
self.register_secret_key(public, secret) self.register_secret_key(public, secret)
} }
#[inline]
pub fn load_keypair_from_file<P: AsRef<Path>>(path: P) -> Result<(PublicKey, SecretKey), EncryptionError> { pub fn load_keypair_from_file<P: AsRef<Path>>(path: P) -> Result<(PublicKey, SecretKey), EncryptionError> {
let keyfile = try!(KeyfileYaml::load(path)); Self::load_keypair_from_file_data(&try!(KeyfileYaml::load(path)))
}
pub fn load_keypair_from_file_data(keyfile: &KeyfileYaml) -> Result<(PublicKey, SecretKey), EncryptionError> {
let public = try!(parse_hex(&keyfile.public).map_err(|_| EncryptionError::InvalidKey)); let public = try!(parse_hex(&keyfile.public).map_err(|_| EncryptionError::InvalidKey));
let public = try!(PublicKey::from_slice(&public).ok_or(EncryptionError::InvalidKey)); let public = try!(PublicKey::from_slice(&public).ok_or(EncryptionError::InvalidKey));
let secret = try!(parse_hex(&keyfile.secret).map_err(|_| EncryptionError::InvalidKey)); let secret = try!(parse_hex(&keyfile.secret).map_err(|_| EncryptionError::InvalidKey));
@ -163,15 +167,22 @@ impl Crypto {
Ok((public, secret)) Ok((public, secret))
} }
#[inline]
pub fn save_keypair_to_file_data(public: &PublicKey, secret: &SecretKey) -> KeyfileYaml {
KeyfileYaml { public: to_hex(&public[..]), secret: to_hex(&secret[..]) }
}
#[inline] #[inline]
pub fn save_keypair_to_file<P: AsRef<Path>>(public: &PublicKey, secret: &SecretKey, path: P) -> Result<(), EncryptionError> { pub fn save_keypair_to_file<P: AsRef<Path>>(public: &PublicKey, secret: &SecretKey, path: P) -> Result<(), EncryptionError> {
KeyfileYaml { public: to_hex(&public[..]), secret: to_hex(&secret[..]) }.save(path) Self::save_keypair_to_file_data(public, secret).save(path)
} }
#[inline] #[inline]
pub fn register_secret_key(&mut self, public: PublicKey, secret: SecretKey) -> Result<(), EncryptionError> { pub fn register_secret_key(&mut self, public: PublicKey, secret: SecretKey) -> Result<(), EncryptionError> {
let path = self.path.join(to_hex(&public[..]) + ".yaml"); if let Some(ref path) = self.path {
try!(Self::save_keypair_to_file(&public, &secret, path)); let path = path.join(to_hex(&public[..]) + ".yaml");
try!(Self::save_keypair_to_file(&public, &secret, path));
}
self.keys.insert(public, secret); self.keys.insert(public, secret);
Ok(()) Ok(())
} }
@ -231,3 +242,153 @@ impl Crypto {
(PublicKey::from_slice(&pk).unwrap(), SecretKey::from_slice(&sk).unwrap()) (PublicKey::from_slice(&pk).unwrap(), SecretKey::from_slice(&sk).unwrap())
} }
} }
mod tests {
#[allow(unused_imports)]
use super::*;
#[test]
fn test_gen_keypair() {
let key1 = Crypto::gen_keypair();
let key2 = Crypto::gen_keypair();
assert!(key1.0 != key2.0);
}
#[test]
fn test_keypair_from_password() {
let key1 = Crypto::keypair_from_password("foo");
let key2 = Crypto::keypair_from_password("foo");
assert_eq!(key1.0, key2.0);
let key3 = Crypto::keypair_from_password("bar");
assert!(key1.0 != key3.0);
}
#[test]
fn test_add_keypair() {
let mut crypto = Crypto::dummy();
let (pk, sk) = Crypto::gen_keypair();
assert!(!crypto.contains_secret_key(&pk));
crypto.add_secret_key(pk, sk);
assert!(crypto.contains_secret_key(&pk));
}
#[test]
fn test_save_load_keyfile() {
let (pk, sk) = Crypto::gen_keypair();
let data = Crypto::save_keypair_to_file_data(&pk, &sk);
let res = Crypto::load_keypair_from_file_data(&data);
assert!(res.is_ok());
let (pk2, sk2) = res.unwrap();
assert_eq!(pk, pk2);
assert_eq!(sk, sk2);
}
#[test]
fn test_encrypt_decrpyt() {
let mut crypto = Crypto::dummy();
let (pk, sk) = Crypto::gen_keypair();
crypto.add_secret_key(pk, sk);
let encryption = (EncryptionMethod::Sodium, ByteBuf::from(&pk[..]));
let cleartext = b"test123";
let result = crypto.encrypt(&encryption, cleartext);
assert!(result.is_ok());
let ciphertext = result.unwrap();
assert!(&ciphertext != cleartext);
let result = crypto.decrypt(&encryption, &ciphertext);
assert!(result.is_ok());
let unciphered = result.unwrap();
assert_eq!(&cleartext[..] as &[u8], &unciphered as &[u8]);
}
#[test]
fn test_wrong_key() {
let mut crypto = Crypto::dummy();
let (pk, sk) = Crypto::gen_keypair();
crypto.add_secret_key(pk, sk.clone());
let encryption = (EncryptionMethod::Sodium, ByteBuf::from(&pk[..]));
let cleartext = b"test123";
let result = crypto.encrypt(&encryption, cleartext);
assert!(result.is_ok());
let ciphertext = result.unwrap();
assert!(&ciphertext != cleartext);
let mut crypto2 = Crypto::dummy();
let mut sk2 = sk[..].to_vec();
sk2[4] ^= 53;
assert!(&sk[..] as &[u8] != &sk2[..] as &[u8]);
crypto2.add_secret_key(pk, SecretKey::from_slice(&sk2).unwrap());
let result = crypto2.decrypt(&encryption, &ciphertext);
assert!(result.is_err());
}
#[test]
fn test_modified_ciphertext() {
let mut crypto = Crypto::dummy();
let (pk, sk) = Crypto::gen_keypair();
crypto.add_secret_key(pk, sk.clone());
let encryption = (EncryptionMethod::Sodium, ByteBuf::from(&pk[..]));
let cleartext = b"test123";
let result = crypto.encrypt(&encryption, cleartext);
assert!(result.is_ok());
let mut ciphertext = result.unwrap();
assert!(&ciphertext != cleartext);
ciphertext[4] ^= 53;
let result = crypto.decrypt(&encryption, &ciphertext);
assert!(result.is_err());
}
}
#[cfg(feature = "bench")]
mod benches {
#[allow(unused_imports)]
use super::*;
use test::Bencher;
#[allow(dead_code, needless_range_loop)]
fn test_data(n: usize) -> Vec<u8> {
let mut input = vec![0; n];
for i in 0..input.len() {
input[i] = (i * i * i) as u8;
}
input
}
#[bench]
fn bench_key_generate(b: &mut Bencher) {
b.iter(|| Crypto::gen_keypair());
}
#[bench]
fn bench_encrypt(b: &mut Bencher) {
let mut crypto = Crypto::dummy();
let (pk, sk) = Crypto::gen_keypair();
crypto.add_secret_key(pk, sk.clone());
let encryption = (EncryptionMethod::Sodium, ByteBuf::from(&pk[..]));
let input = test_data(512*1024);
b.iter(|| crypto.encrypt(&encryption, &input));
b.bytes = input.len() as u64;
}
#[bench]
fn bench_decrypt(b: &mut Bencher) {
let mut crypto = Crypto::dummy();
let (pk, sk) = Crypto::gen_keypair();
crypto.add_secret_key(pk, sk.clone());
let encryption = (EncryptionMethod::Sodium, ByteBuf::from(&pk[..]));
let input = test_data(512*1024);
let output = crypto.encrypt(&encryption, &input).unwrap();
b.iter(|| crypto.decrypt(&encryption, &output));
b.bytes = input.len() as u64;
}
}