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| author | Steven Fackler <[email protected]> | 2015-02-07 21:28:54 -0800 |
|---|---|---|
| committer | Steven Fackler <[email protected]> | 2015-02-07 21:30:05 -0800 |
| commit | ec65b0c67b452539fded5e06cbb6ce1d165074e0 (patch) | |
| tree | c50c22c2ce4ca095149c96a0f3a3b935b4012a5c /src/crypto | |
| parent | Fix deprecation warnings in openssl-sys (diff) | |
| download | rust-openssl-ec65b0c67b452539fded5e06cbb6ce1d165074e0.tar.xz rust-openssl-ec65b0c67b452539fded5e06cbb6ce1d165074e0.zip | |
Move docs to this repo and auto build
Diffstat (limited to 'src/crypto')
| -rw-r--r-- | src/crypto/hash.rs | 333 | ||||
| -rw-r--r-- | src/crypto/hmac.rs | 474 | ||||
| -rw-r--r-- | src/crypto/memcmp.rs | 39 | ||||
| -rw-r--r-- | src/crypto/mod.rs | 24 | ||||
| -rw-r--r-- | src/crypto/pkcs5.rs | 119 | ||||
| -rw-r--r-- | src/crypto/pkey.rs | 423 | ||||
| -rw-r--r-- | src/crypto/rand.rs | 27 | ||||
| -rw-r--r-- | src/crypto/symm.rs | 314 |
8 files changed, 0 insertions, 1753 deletions
diff --git a/src/crypto/hash.rs b/src/crypto/hash.rs deleted file mode 100644 index f81532c9..00000000 --- a/src/crypto/hash.rs +++ /dev/null @@ -1,333 +0,0 @@ -use libc::c_uint; -use std::iter::repeat; -use std::old_io::{IoError, Writer}; - -use ffi; - -/// Message digest (hash) type. -#[derive(Copy)] -pub enum Type { - MD5, - SHA1, - SHA224, - SHA256, - SHA384, - SHA512, - RIPEMD160 -} - -impl Type { - /// Returns the length of the message digest. - #[inline] - pub fn md_len(&self) -> usize { - use self::Type::*; - match *self { - MD5 => 16, - SHA1 => 20, - SHA224 => 28, - SHA256 => 32, - SHA384 => 48, - SHA512 => 64, - RIPEMD160 => 20, - } - } - - /// Internal interface subject to removal. - #[inline] - pub fn evp_md(&self) -> *const ffi::EVP_MD { - unsafe { - use self::Type::*; - match *self { - MD5 => ffi::EVP_md5(), - SHA1 => ffi::EVP_sha1(), - SHA224 => ffi::EVP_sha224(), - SHA256 => ffi::EVP_sha256(), - SHA384 => ffi::EVP_sha384(), - SHA512 => ffi::EVP_sha512(), - RIPEMD160 => ffi::EVP_ripemd160(), - } - } - } -} - -#[derive(PartialEq, Copy)] -enum State { - Reset, - Updated, - Finalized, -} - -use self::State::*; - -/// Provides message digest (hash) computation. -/// -/// # Examples -/// -/// Calculate a hash in one go. -/// -/// ``` -/// use openssl::crypto::hash::{hash, Type}; -/// let data = b"\x42\xF4\x97\xE0"; -/// let spec = b"\x7c\x43\x0f\x17\x8a\xef\xdf\x14\x87\xfe\xe7\x14\x4e\x96\x41\xe2"; -/// let res = hash(Type::MD5, data); -/// assert_eq!(res, spec); -/// ``` -/// -/// Use the `Writer` trait to supply the input in chunks. -/// -/// ``` -/// use std::old_io::Writer; -/// use openssl::crypto::hash::{Hasher, Type}; -/// let data = [b"\x42\xF4", b"\x97\xE0"]; -/// let spec = b"\x7c\x43\x0f\x17\x8a\xef\xdf\x14\x87\xfe\xe7\x14\x4e\x96\x41\xe2"; -/// let mut h = Hasher::new(Type::MD5); -/// h.write_all(data[0]); -/// h.write_all(data[1]); -/// let res = h.finish(); -/// assert_eq!(res, spec); -/// ``` -/// -/// # Warning -/// -/// Don't actually use MD5 and SHA-1 hashes, they're not secure anymore. -/// -/// Don't ever hash passwords, use `crypto::pkcs5` or bcrypt/scrypt instead. -pub struct Hasher { - ctx: *mut ffi::EVP_MD_CTX, - md: *const ffi::EVP_MD, - type_: Type, - state: State, -} - -impl Hasher { - /// Creates a new `Hasher` with the specified hash type. - pub fn new(ty: Type) -> Hasher { - ffi::init(); - - let ctx = unsafe { - let r = ffi::EVP_MD_CTX_create(); - assert!(!r.is_null()); - r - }; - let md = ty.evp_md(); - - let mut h = Hasher { ctx: ctx, md: md, type_: ty, state: Finalized }; - h.init(); - h - } - - #[inline] - fn init(&mut self) { - match self.state { - Reset => return, - Updated => { self.finalize(); }, - Finalized => (), - } - unsafe { - let r = ffi::EVP_DigestInit_ex(self.ctx, self.md, 0 as *const _); - assert_eq!(r, 1); - } - self.state = Reset; - } - - #[inline] - fn update(&mut self, data: &[u8]) { - if self.state == Finalized { - self.init(); - } - unsafe { - let r = ffi::EVP_DigestUpdate(self.ctx, data.as_ptr(), - data.len() as c_uint); - assert_eq!(r, 1); - } - self.state = Updated; - } - - #[inline] - fn finalize(&mut self) -> Vec<u8> { - if self.state == Finalized { - self.init(); - } - let md_len = self.type_.md_len(); - let mut res: Vec<u8> = repeat(0).take(md_len).collect(); - unsafe { - let mut len = 0; - let r = ffi::EVP_DigestFinal_ex(self.ctx, res.as_mut_ptr(), &mut len); - self.state = Finalized; - assert_eq!(len as usize, md_len); - assert_eq!(r, 1); - } - res - } - - /// Returns the hash of the data written since creation or - /// the last `finish` and resets the hasher. - #[inline] - pub fn finish(&mut self) -> Vec<u8> { - self.finalize() - } -} - -impl Writer for Hasher { - #[inline] - fn write_all(&mut self, buf: &[u8]) -> Result<(), IoError> { - self.update(buf); - Ok(()) - } -} - -impl Clone for Hasher { - fn clone(&self) -> Hasher { - let ctx = unsafe { - let ctx = ffi::EVP_MD_CTX_create(); - assert!(!ctx.is_null()); - let r = ffi::EVP_MD_CTX_copy_ex(ctx, self.ctx); - assert_eq!(r, 1); - ctx - }; - Hasher { ctx: ctx, md: self.md, type_: self.type_, state: self.state } - } -} - -impl Drop for Hasher { - fn drop(&mut self) { - unsafe { - if self.state != Finalized { - let mut buf: Vec<u8> = repeat(0).take(self.type_.md_len()).collect(); - let mut len = 0; - ffi::EVP_DigestFinal_ex(self.ctx, buf.as_mut_ptr(), &mut len); - } - ffi::EVP_MD_CTX_destroy(self.ctx); - } - } -} - -/// Computes the hash of the `data` with the hash `t`. -pub fn hash(t: Type, data: &[u8]) -> Vec<u8> { - let mut h = Hasher::new(t); - let _ = h.write_all(data); - h.finish() -} - -#[cfg(test)] -mod tests { - use serialize::hex::{FromHex, ToHex}; - use super::{hash, Hasher, Type}; - use std::old_io::Writer; - - fn hash_test(hashtype: Type, hashtest: &(&str, &str)) { - let res = hash(hashtype, &*hashtest.0.from_hex().unwrap()); - assert_eq!(res.to_hex(), hashtest.1); - } - - fn hash_recycle_test(h: &mut Hasher, hashtest: &(&str, &str)) { - let _ = h.write_all(&*hashtest.0.from_hex().unwrap()); - let res = h.finish(); - assert_eq!(res.to_hex(), hashtest.1); - } - - // Test vectors from http://www.nsrl.nist.gov/testdata/ - #[allow(non_upper_case_globals)] - const md5_tests: [(&'static str, &'static str); 13] = [ - ("", "d41d8cd98f00b204e9800998ecf8427e"), - ("7F", "83acb6e67e50e31db6ed341dd2de1595"), - ("EC9C", "0b07f0d4ca797d8ac58874f887cb0b68"), - ("FEE57A", "e0d583171eb06d56198fc0ef22173907"), - ("42F497E0", "7c430f178aefdf1487fee7144e9641e2"), - ("C53B777F1C", "75ef141d64cb37ec423da2d9d440c925"), - ("89D5B576327B", "ebbaf15eb0ed784c6faa9dc32831bf33"), - ("5D4CCE781EB190", "ce175c4b08172019f05e6b5279889f2c"), - ("81901FE94932D7B9", "cd4d2f62b8cdb3a0cf968a735a239281"), - ("C9FFDEE7788EFB4EC9", "e0841a231ab698db30c6c0f3f246c014"), - ("66AC4B7EBA95E53DC10B", "a3b3cea71910d9af56742aa0bb2fe329"), - ("A510CD18F7A56852EB0319", "577e216843dd11573574d3fb209b97d8"), - ("AAED18DBE8938C19ED734A8D", "6f80fb775f27e0a4ce5c2f42fc72c5f1") - ]; - - #[test] - fn test_md5() { - for test in md5_tests.iter() { - hash_test(Type::MD5, test); - } - } - - #[test] - fn test_md5_recycle() { - let mut h = Hasher::new(Type::MD5); - for test in md5_tests.iter() { - hash_recycle_test(&mut h, test); - } - } - - #[test] - fn test_finish_twice() { - let mut h = Hasher::new(Type::MD5); - let _ = h.write_all(&*md5_tests[6].0.from_hex().unwrap()); - let _ = h.finish(); - let res = h.finish(); - let null = hash(Type::MD5, &[]); - assert_eq!(res, null); - } - - #[test] - fn test_clone() { - let i = 7; - let inp = md5_tests[i].0.from_hex().unwrap(); - assert!(inp.len() > 2); - let p = inp.len() / 2; - let h0 = Hasher::new(Type::MD5); - - println!("Clone a new hasher"); - let mut h1 = h0.clone(); - let _ = h1.write_all(&inp[..p]); - { - println!("Clone an updated hasher"); - let mut h2 = h1.clone(); - let _ = h2.write_all(&inp[p..]); - let res = h2.finish(); - assert_eq!(res.to_hex(), md5_tests[i].1); - } - let _ = h1.write_all(&inp[p..]); - let res = h1.finish(); - assert_eq!(res.to_hex(), md5_tests[i].1); - - println!("Clone a finished hasher"); - let mut h3 = h1.clone(); - let _ = h3.write_all(&*md5_tests[i + 1].0.from_hex().unwrap()); - let res = h3.finish(); - assert_eq!(res.to_hex(), md5_tests[i + 1].1); - } - - #[test] - fn test_sha1() { - let tests = [ - ("616263", "a9993e364706816aba3e25717850c26c9cd0d89d"), - ]; - - for test in tests.iter() { - hash_test(Type::SHA1, test); - } - } - - #[test] - fn test_sha256() { - let tests = [ - ("616263", "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad") - ]; - - for test in tests.iter() { - hash_test(Type::SHA256, test); - } - } - - #[test] - fn test_ripemd160() { - let tests = [ - ("616263", "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc") - ]; - - for test in tests.iter() { - hash_test(Type::RIPEMD160, test); - } - } -} diff --git a/src/crypto/hmac.rs b/src/crypto/hmac.rs deleted file mode 100644 index 65808e58..00000000 --- a/src/crypto/hmac.rs +++ /dev/null @@ -1,474 +0,0 @@ -/* - * Copyright 2013 Jack Lloyd - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -use libc::{c_int, c_uint}; -use std::iter::repeat; -use std::old_io::{IoError, Writer}; - -use crypto::hash::Type; -use ffi; - -#[derive(PartialEq, Copy)] -enum State { - Reset, - Updated, - Finalized, -} - -use self::State::*; - -/// Provides HMAC computation. -/// -/// # Examples -/// -/// Calculate a HMAC in one go. -/// -/// ``` -/// use openssl::crypto::hash::Type; -/// use openssl::crypto::hmac::hmac; -/// let key = b"Jefe"; -/// let data = b"what do ya want for nothing?"; -/// let spec = b"\x75\x0c\x78\x3e\x6a\xb0\xb5\x03\xea\xa8\x6e\x31\x0a\x5d\xb7\x38"; -/// let res = hmac(Type::MD5, key, data); -/// assert_eq!(spec, res); -/// ``` -/// -/// Use the `Writer` trait to supply the input in chunks. -/// -/// ``` -/// use std::old_io::Writer; -/// use openssl::crypto::hash::Type; -/// use openssl::crypto::hmac::HMAC; -/// let key = b"Jefe"; -/// let data = [b"what do ya ", b"want for nothing?"]; -/// let spec = b"\x75\x0c\x78\x3e\x6a\xb0\xb5\x03\xea\xa8\x6e\x31\x0a\x5d\xb7\x38"; -/// let mut h = HMAC::new(Type::MD5, &*key); -/// h.write_all(data[0]); -/// h.write_all(data[1]); -/// let res = h.finish(); -/// assert_eq!(spec, res); -/// ``` -pub struct HMAC { - ctx: ffi::HMAC_CTX, - type_: Type, - state: State, -} - -impl HMAC { - /// Creates a new `HMAC` with the specified hash type using the `key`. - pub fn new(ty: Type, key: &[u8]) -> HMAC { - ffi::init(); - - let ctx = unsafe { - let mut ctx = ::std::mem::uninitialized(); - ffi::HMAC_CTX_init(&mut ctx); - ctx - }; - let md = ty.evp_md(); - - let mut h = HMAC { ctx: ctx, type_: ty, state: Finalized }; - h.init_once(md, key); - h - } - - #[inline] - fn init_once(&mut self, md: *const ffi::EVP_MD, key: &[u8]) { - unsafe { - let r = ffi::HMAC_Init_ex(&mut self.ctx, - key.as_ptr(), key.len() as c_int, - md, 0 as *const _); - assert_eq!(r, 1); - } - self.state = Reset; - } - - #[inline] - fn init(&mut self) { - match self.state { - Reset => return, - Updated => { self.finalize(); }, - Finalized => (), - } - // If the key and/or md is not supplied it's reused from the last time - // avoiding redundant initializations - unsafe { - let r = ffi::HMAC_Init_ex(&mut self.ctx, - 0 as *const _, 0, - 0 as *const _, 0 as *const _); - assert_eq!(r, 1); - } - self.state = Reset; - } - - #[inline] - fn update(&mut self, data: &[u8]) { - if self.state == Finalized { - self.init(); - } - unsafe { - let r = ffi::HMAC_Update(&mut self.ctx, data.as_ptr(), - data.len() as c_uint); - assert_eq!(r, 1); - } - self.state = Updated; - } - - #[inline] - fn finalize(&mut self) -> Vec<u8> { - if self.state == Finalized { - self.init(); - } - let md_len = self.type_.md_len(); - let mut res: Vec<u8> = repeat(0).take(md_len).collect(); - unsafe { - let mut len = 0; - let r = ffi::HMAC_Final(&mut self.ctx, res.as_mut_ptr(), &mut len); - self.state = Finalized; - assert_eq!(len as usize, md_len); - assert_eq!(r, 1); - } - res - } - - /// Returns the hash of the data written since creation or - /// the last `finish` and resets the hasher. - #[inline] - pub fn finish(&mut self) -> Vec<u8> { - self.finalize() - } -} - -impl Writer for HMAC { - #[inline] - fn write_all(&mut self, buf: &[u8]) -> Result<(), IoError> { - self.update(buf); - Ok(()) - } -} - -impl Clone for HMAC { - fn clone(&self) -> HMAC { - let mut ctx: ffi::HMAC_CTX; - unsafe { - ctx = ::std::mem::uninitialized(); - let r = ffi::HMAC_CTX_copy(&mut ctx, &self.ctx); - assert_eq!(r, 1); - } - HMAC { ctx: ctx, type_: self.type_, state: self.state } - } -} - -impl Drop for HMAC { - fn drop(&mut self) { - unsafe { - if self.state != Finalized { - let mut buf: Vec<u8> = repeat(0).take(self.type_.md_len()).collect(); - let mut len = 0; - ffi::HMAC_Final(&mut self.ctx, buf.as_mut_ptr(), &mut len); - } - ffi::HMAC_CTX_cleanup(&mut self.ctx); - } - } -} - -/// Computes the HMAC of the `data` with the hash `t` and `key`. -pub fn hmac(t: Type, key: &[u8], data: &[u8]) -> Vec<u8> { - let mut h = HMAC::new(t, key); - let _ = h.write_all(data); - h.finish() -} - -#[cfg(test)] -mod tests { - use std::iter::repeat; - use serialize::hex::FromHex; - use crypto::hash::Type; - use crypto::hash::Type::*; - use super::{hmac, HMAC}; - use std::old_io::Writer; - - fn test_hmac(ty: Type, tests: &[(Vec<u8>, Vec<u8>, Vec<u8>)]) { - for &(ref key, ref data, ref res) in tests.iter() { - assert_eq!(hmac(ty, &**key, &**data), *res); - } - } - - fn test_hmac_recycle(h: &mut HMAC, test: &(Vec<u8>, Vec<u8>, Vec<u8>)) { - let &(_, ref data, ref res) = test; - let _ = h.write_all(&**data); - assert_eq!(h.finish(), *res); - } - - #[test] - fn test_hmac_md5() { - // test vectors from RFC 2202 - let tests: [(Vec<u8>, Vec<u8>, Vec<u8>); 7] = [ - (repeat(0x0b_u8).take(16).collect(), b"Hi There".to_vec(), - "9294727a3638bb1c13f48ef8158bfc9d".from_hex().unwrap()), - (b"Jefe".to_vec(), - b"what do ya want for nothing?".to_vec(), - "750c783e6ab0b503eaa86e310a5db738".from_hex().unwrap()), - (repeat(0xaa_u8).take(16).collect(), repeat(0xdd_u8).take(50).collect(), - "56be34521d144c88dbb8c733f0e8b3f6".from_hex().unwrap()), - ("0102030405060708090a0b0c0d0e0f10111213141516171819".from_hex().unwrap(), - repeat(0xcd_u8).take(50).collect(), - "697eaf0aca3a3aea3a75164746ffaa79".from_hex().unwrap()), - (repeat(0x0c_u8).take(16).collect(), - b"Test With Truncation".to_vec(), - "56461ef2342edc00f9bab995690efd4c".from_hex().unwrap()), - (repeat(0xaa_u8).take(80).collect(), - b"Test Using Larger Than Block-Size Key - Hash Key First".to_vec(), - "6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd".from_hex().unwrap()), - (repeat(0xaa_u8).take(80).collect(), - b"Test Using Larger Than Block-Size Key \ - and Larger Than One Block-Size Data".to_vec(), - "6f630fad67cda0ee1fb1f562db3aa53e".from_hex().unwrap()) - ]; - - test_hmac(MD5, &tests); - } - - #[test] - fn test_hmac_md5_recycle() { - let tests: [(Vec<u8>, Vec<u8>, Vec<u8>); 2] = [ - (repeat(0xaa_u8).take(80).collect(), - b"Test Using Larger Than Block-Size Key - Hash Key First".to_vec(), - "6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd".from_hex().unwrap()), - (repeat(0xaa_u8).take(80).collect(), - b"Test Using Larger Than Block-Size Key \ - and Larger Than One Block-Size Data".to_vec(), - "6f630fad67cda0ee1fb1f562db3aa53e".from_hex().unwrap()) - ]; - - let mut h = HMAC::new(MD5, &*tests[0].0); - for i in 0..100us { - let test = &tests[i % 2]; - test_hmac_recycle(&mut h, test); - } - } - - #[test] - fn test_finish_twice() { - let test: (Vec<u8>, Vec<u8>, Vec<u8>) = - (repeat(0xaa_u8).take(80).collect(), - b"Test Using Larger Than Block-Size Key - Hash Key First".to_vec(), - "6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd".from_hex().unwrap()); - - let mut h = HMAC::new(Type::MD5, &*test.0); - let _ = h.write_all(&*test.1); - let _ = h.finish(); - let res = h.finish(); - let null = hmac(Type::MD5, &*test.0, &[]); - assert_eq!(res, null); - } - - #[test] - fn test_clone() { - let tests: [(Vec<u8>, Vec<u8>, Vec<u8>); 2] = [ - (repeat(0xaa_u8).take(80).collect(), - b"Test Using Larger Than Block-Size Key - Hash Key First".to_vec(), - "6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd".from_hex().unwrap()), - (repeat(0xaa_u8).take(80).collect(), - b"Test Using Larger Than Block-Size Key \ - and Larger Than One Block-Size Data".to_vec(), - "6f630fad67cda0ee1fb1f562db3aa53e".from_hex().unwrap()), - ]; - let p = tests[0].0.len() / 2; - let h0 = HMAC::new(Type::MD5, &*tests[0].0); - - println!("Clone a new hmac"); - let mut h1 = h0.clone(); - let _ = h1.write_all(&tests[0].1[..p]); - { - println!("Clone an updated hmac"); - let mut h2 = h1.clone(); - let _ = h2.write_all(&tests[0].1[p..]); - let res = h2.finish(); - assert_eq!(res, tests[0].2); - } - let _ = h1.write_all(&tests[0].1[p..]); - let res = h1.finish(); - assert_eq!(res, tests[0].2); - - println!("Clone a finished hmac"); - let mut h3 = h1.clone(); - let _ = h3.write_all(&*tests[1].1); - let res = h3.finish(); - assert_eq!(res, tests[1].2); - } - - #[test] - fn test_hmac_sha1() { - // test vectors from RFC 2202 - let tests: [(Vec<u8>, Vec<u8>, Vec<u8>); 7] = [ - (repeat(0x0b_u8).take(20).collect(), b"Hi There".to_vec(), - "b617318655057264e28bc0b6fb378c8ef146be00".from_hex().unwrap()), - (b"Jefe".to_vec(), - b"what do ya want for nothing?".to_vec(), - "effcdf6ae5eb2fa2d27416d5f184df9c259a7c79".from_hex().unwrap()), - (repeat(0xaa_u8).take(20).collect(), repeat(0xdd_u8).take(50).collect(), - "125d7342b9ac11cd91a39af48aa17b4f63f175d3".from_hex().unwrap()), - ("0102030405060708090a0b0c0d0e0f10111213141516171819".from_hex().unwrap(), - repeat(0xcd_u8).take(50).collect(), - "4c9007f4026250c6bc8414f9bf50c86c2d7235da".from_hex().unwrap()), - (repeat(0x0c_u8).take(20).collect(), - b"Test With Truncation".to_vec(), - "4c1a03424b55e07fe7f27be1d58bb9324a9a5a04".from_hex().unwrap()), - (repeat(0xaa_u8).take(80).collect(), - b"Test Using Larger Than Block-Size Key - Hash Key First".to_vec(), - "aa4ae5e15272d00e95705637ce8a3b55ed402112".from_hex().unwrap()), - (repeat(0xaa_u8).take(80).collect(), - b"Test Using Larger Than Block-Size Key \ - and Larger Than One Block-Size Data".to_vec(), - "e8e99d0f45237d786d6bbaa7965c7808bbff1a91".from_hex().unwrap()) - ]; - - test_hmac(SHA1, &tests); - } - - #[test] - fn test_hmac_sha1_recycle() { - let tests: [(Vec<u8>, Vec<u8>, Vec<u8>); 2] = [ - (repeat(0xaa_u8).take(80).collect(), - b"Test Using Larger Than Block-Size Key - Hash Key First".to_vec(), - "aa4ae5e15272d00e95705637ce8a3b55ed402112".from_hex().unwrap()), - (repeat(0xaa_u8).take(80).collect(), - b"Test Using Larger Than Block-Size Key \ - and Larger Than One Block-Size Data".to_vec(), - "e8e99d0f45237d786d6bbaa7965c7808bbff1a91".from_hex().unwrap()) - ]; - - let mut h = HMAC::new(SHA1, &*tests[0].0); - for i in 0..100us { - let test = &tests[i % 2]; - test_hmac_recycle(&mut h, test); - } - } - - - - fn test_sha2(ty: Type, results: &[Vec<u8>]) { - // test vectors from RFC 4231 - let tests: [(Vec<u8>, Vec<u8>); 6] = [ - (repeat(0xb_u8).take(20).collect(), b"Hi There".to_vec()), - (b"Jefe".to_vec(), - b"what do ya want for nothing?".to_vec()), - (repeat(0xaa_u8).take(20).collect(), repeat(0xdd_u8).take(50).collect()), - ("0102030405060708090a0b0c0d0e0f10111213141516171819".from_hex().unwrap(), - repeat(0xcd_u8).take(50).collect()), - (repeat(0xaa_u8).take(131).collect(), - b"Test Using Larger Than Block-Size Key - Hash Key First".to_vec()), - (repeat(0xaa_u8).take(131).collect(), - b"This is a test using a larger than block-size key and a \ - larger than block-size data. The key needs to be hashed \ - before being used by the HMAC algorithm.".to_vec()) - ]; - - for (&(ref key, ref data), res) in tests.iter().zip(results.iter()) { - assert_eq!(hmac(ty, &**key, &**data), *res); - } - - // recycle test - let mut h = HMAC::new(ty, &*tests[5].0); - for i in 0..100us { - let test = &tests[4 + i % 2]; - let tup = (test.0.clone(), test.1.clone(), results[4 + i % 2].clone()); - test_hmac_recycle(&mut h, &tup); - } - } - - #[test] - fn test_hmac_sha224() { - let results = [ - "896fb1128abbdf196832107cd49df33f47b4b1169912ba4f53684b22".from_hex().unwrap(), - "a30e01098bc6dbbf45690f3a7e9e6d0f8bbea2a39e6148008fd05e44".from_hex().unwrap(), - "7fb3cb3588c6c1f6ffa9694d7d6ad2649365b0c1f65d69d1ec8333ea".from_hex().unwrap(), - "6c11506874013cac6a2abc1bb382627cec6a90d86efc012de7afec5a".from_hex().unwrap(), - "95e9a0db962095adaebe9b2d6f0dbce2d499f112f2d2b7273fa6870e".from_hex().unwrap(), - "3a854166ac5d9f023f54d517d0b39dbd946770db9c2b95c9f6f565d1".from_hex().unwrap() - ]; - test_sha2(SHA224, &results); - } - - #[test] - fn test_hmac_sha256() { - let results = [ - "b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7".from_hex().unwrap(), - "5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843".from_hex().unwrap(), - "773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514ced565fe".from_hex().unwrap(), - "82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff46729665b".from_hex().unwrap(), - "60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f0ee37f54".from_hex().unwrap(), - "9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f51535c3a35e2".from_hex().unwrap() - ]; - test_sha2(SHA256, &results); - } - - #[test] - fn test_hmac_sha384() { - let results = [ - "afd03944d84895626b0825f4ab46907f\ - 15f9dadbe4101ec682aa034c7cebc59c\ - faea9ea9076ede7f4af152e8b2fa9cb6".from_hex().unwrap(), - "af45d2e376484031617f78d2b58a6b1b\ - 9c7ef464f5a01b47e42ec3736322445e\ - 8e2240ca5e69e2c78b3239ecfab21649".from_hex().unwrap(), - "88062608d3e6ad8a0aa2ace014c8a86f\ - 0aa635d947ac9febe83ef4e55966144b\ - 2a5ab39dc13814b94e3ab6e101a34f27".from_hex().unwrap(), - "3e8a69b7783c25851933ab6290af6ca7\ - 7a9981480850009cc5577c6e1f573b4e\ - 6801dd23c4a7d679ccf8a386c674cffb".from_hex().unwrap(), - "4ece084485813e9088d2c63a041bc5b4\ - 4f9ef1012a2b588f3cd11f05033ac4c6\ - 0c2ef6ab4030fe8296248df163f44952".from_hex().unwrap(), - "6617178e941f020d351e2f254e8fd32c\ - 602420feb0b8fb9adccebb82461e99c5\ - a678cc31e799176d3860e6110c46523e".from_hex().unwrap() - ]; - test_sha2(SHA384, &results); - } - - #[test] - fn test_hmac_sha512() { - let results = [ - "87aa7cdea5ef619d4ff0b4241a1d6cb0\ - 2379f4e2ce4ec2787ad0b30545e17cde\ - daa833b7d6b8a702038b274eaea3f4e4\ - be9d914eeb61f1702e696c203a126854".from_hex().unwrap(), - "164b7a7bfcf819e2e395fbe73b56e0a3\ - 87bd64222e831fd610270cd7ea250554\ - 9758bf75c05a994a6d034f65f8f0e6fd\ - caeab1a34d4a6b4b636e070a38bce737".from_hex().unwrap(), - "fa73b0089d56a284efb0f0756c890be9\ - b1b5dbdd8ee81a3655f83e33b2279d39\ - bf3e848279a722c806b485a47e67c807\ - b946a337bee8942674278859e13292fb".from_hex().unwrap(), - "b0ba465637458c6990e5a8c5f61d4af7\ - e576d97ff94b872de76f8050361ee3db\ - a91ca5c11aa25eb4d679275cc5788063\ - a5f19741120c4f2de2adebeb10a298dd".from_hex().unwrap(), - "80b24263c7c1a3ebb71493c1dd7be8b4\ - 9b46d1f41b4aeec1121b013783f8f352\ - 6b56d037e05f2598bd0fd2215d6a1e52\ - 95e64f73f63f0aec8b915a985d786598".from_hex().unwrap(), - "e37b6a775dc87dbaa4dfa9f96e5e3ffd\ - debd71f8867289865df5a32d20cdc944\ - b6022cac3c4982b10d5eeb55c3e4de15\ - 134676fb6de0446065c97440fa8c6a58".from_hex().unwrap() - ]; - test_sha2(SHA512, &results); - } -} diff --git a/src/crypto/memcmp.rs b/src/crypto/memcmp.rs deleted file mode 100644 index 299effa9..00000000 --- a/src/crypto/memcmp.rs +++ /dev/null @@ -1,39 +0,0 @@ -use libc::size_t; -use ffi; - -/// Returns `true` iff `a` and `b` contain the same bytes. -/// -/// This operation takes an amount of time dependent on the length of the two -/// arrays given, but is independent of the contents of a and b. -/// -/// # Failure -/// -/// This function will panic the current task if `a` and `b` do not have the same -/// length. -pub fn eq(a: &[u8], b: &[u8]) -> bool { - assert!(a.len() == b.len()); - let ret = unsafe { - ffi::CRYPTO_memcmp(a.as_ptr() as *const _, - b.as_ptr() as *const _, - a.len() as size_t) - }; - ret == 0 -} - -#[cfg(test)] -mod tests { - use super::eq; - - #[test] - fn test_eq() { - assert!(eq(&[], &[])); - assert!(eq(&[1], &[1])); - assert!(!eq(&[1, 2, 3], &[1, 2, 4])); - } - - #[test] - #[should_fail] - fn test_diff_lens() { - eq(&[], &[1]); - } -} diff --git a/src/crypto/mod.rs b/src/crypto/mod.rs deleted file mode 100644 index e695de33..00000000 --- a/src/crypto/mod.rs +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Copyright 2011 Google Inc. - * 2013 Jack Lloyd - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -pub mod hash; -pub mod hmac; -pub mod pkcs5; -pub mod pkey; -pub mod rand; -pub mod symm; -pub mod memcmp; diff --git a/src/crypto/pkcs5.rs b/src/crypto/pkcs5.rs deleted file mode 100644 index b101c3ed..00000000 --- a/src/crypto/pkcs5.rs +++ /dev/null @@ -1,119 +0,0 @@ -use libc::c_int; -use ffi; - -/// Derives a key from a password and salt using the PBKDF2-HMAC-SHA1 algorithm. -pub fn pbkdf2_hmac_sha1(pass: &str, salt: &[u8], iter: usize, keylen: usize) -> Vec<u8> { - unsafe { - assert!(iter >= 1); - assert!(keylen >= 1); - - let mut out = Vec::with_capacity(keylen); - - ffi::init(); - - let r = ffi::PKCS5_PBKDF2_HMAC_SHA1( - pass.as_ptr(), pass.len() as c_int, - salt.as_ptr(), salt.len() as c_int, - iter as c_int, keylen as c_int, - out.as_mut_ptr()); - - if r != 1 { panic!(); } - - out.set_len(keylen); - - out - } -} - -#[cfg(test)] -mod tests { - // Test vectors from - // http://tools.ietf.org/html/draft-josefsson-pbkdf2-test-vectors-06 - #[test] - fn test_pbkdf2_hmac_sha1() { - assert_eq!( - super::pbkdf2_hmac_sha1( - "password", - "salt".as_bytes(), - 1, - 20 - ), - vec!( - 0x0c_u8, 0x60_u8, 0xc8_u8, 0x0f_u8, 0x96_u8, 0x1f_u8, 0x0e_u8, - 0x71_u8, 0xf3_u8, 0xa9_u8, 0xb5_u8, 0x24_u8, 0xaf_u8, 0x60_u8, - 0x12_u8, 0x06_u8, 0x2f_u8, 0xe0_u8, 0x37_u8, 0xa6_u8 - ) - ); - - assert_eq!( - super::pbkdf2_hmac_sha1( - "password", - "salt".as_bytes(), - 2, - 20 - ), - vec!( - 0xea_u8, 0x6c_u8, 0x01_u8, 0x4d_u8, 0xc7_u8, 0x2d_u8, 0x6f_u8, - 0x8c_u8, 0xcd_u8, 0x1e_u8, 0xd9_u8, 0x2a_u8, 0xce_u8, 0x1d_u8, - 0x41_u8, 0xf0_u8, 0xd8_u8, 0xde_u8, 0x89_u8, 0x57_u8 - ) - ); - - assert_eq!( - super::pbkdf2_hmac_sha1( - "password", - "salt".as_bytes(), - 4096, - 20 - ), - vec!( - 0x4b_u8, 0x00_u8, 0x79_u8, 0x01_u8, 0xb7_u8, 0x65_u8, 0x48_u8, - 0x9a_u8, 0xbe_u8, 0xad_u8, 0x49_u8, 0xd9_u8, 0x26_u8, 0xf7_u8, - 0x21_u8, 0xd0_u8, 0x65_u8, 0xa4_u8, 0x29_u8, 0xc1_u8 - ) - ); - - assert_eq!( - super::pbkdf2_hmac_sha1( - "password", - "salt".as_bytes(), - 16777216, - 20 - ), - vec!( - 0xee_u8, 0xfe_u8, 0x3d_u8, 0x61_u8, 0xcd_u8, 0x4d_u8, 0xa4_u8, - 0xe4_u8, 0xe9_u8, 0x94_u8, 0x5b_u8, 0x3d_u8, 0x6b_u8, 0xa2_u8, - 0x15_u8, 0x8c_u8, 0x26_u8, 0x34_u8, 0xe9_u8, 0x84_u8 - ) - ); - - assert_eq!( - super::pbkdf2_hmac_sha1( - "passwordPASSWORDpassword", - "saltSALTsaltSALTsaltSALTsaltSALTsalt".as_bytes(), - 4096, - 25 - ), - vec!( - 0x3d_u8, 0x2e_u8, 0xec_u8, 0x4f_u8, 0xe4_u8, 0x1c_u8, 0x84_u8, - 0x9b_u8, 0x80_u8, 0xc8_u8, 0xd8_u8, 0x36_u8, 0x62_u8, 0xc0_u8, - 0xe4_u8, 0x4a_u8, 0x8b_u8, 0x29_u8, 0x1a_u8, 0x96_u8, 0x4c_u8, - 0xf2_u8, 0xf0_u8, 0x70_u8, 0x38_u8 - ) - ); - - assert_eq!( - super::pbkdf2_hmac_sha1( - "pass\x00word", - "sa\x00lt".as_bytes(), - 4096, - 16 - ), - vec!( - 0x56_u8, 0xfa_u8, 0x6a_u8, 0xa7_u8, 0x55_u8, 0x48_u8, 0x09_u8, - 0x9d_u8, 0xcc_u8, 0x37_u8, 0xd7_u8, 0xf0_u8, 0x34_u8, 0x25_u8, - 0xe0_u8, 0xc3_u8 - ) - ); - } -} diff --git a/src/crypto/pkey.rs b/src/crypto/pkey.rs deleted file mode 100644 index c20fae4f..00000000 --- a/src/crypto/pkey.rs +++ /dev/null @@ -1,423 +0,0 @@ -use libc::{c_int, c_uint, c_ulong}; -use std::iter::repeat; -use std::mem; -use std::ptr; -use bio::{MemBio}; -use crypto::hash; -use crypto::hash::Type as HashType; -use ffi; -use ssl::error::{SslError, StreamError}; - -#[derive(Copy)] -enum Parts { - Neither, - Public, - Both -} - -/// Represents a role an asymmetric key might be appropriate for. -#[derive(Copy)] -pub enum Role { - Encrypt, - Decrypt, - Sign, - Verify -} - -/// Type of encryption padding to use. -#[derive(Copy)] -pub enum EncryptionPadding { - OAEP, - PKCS1v15 -} - -fn openssl_padding_code(padding: EncryptionPadding) -> c_int { - match padding { - EncryptionPadding::OAEP => 4, - EncryptionPadding::PKCS1v15 => 1 - } -} - -fn openssl_hash_nid(hash: HashType) -> c_int { - match hash { - HashType::MD5 => 4, // NID_md5, - HashType::SHA1 => 64, // NID_sha1 - HashType::SHA224 => 675, // NID_sha224 - HashType::SHA256 => 672, // NID_sha256 - HashType::SHA384 => 673, // NID_sha384 - HashType::SHA512 => 674, // NID_sha512 - HashType::RIPEMD160 => 117, // NID_ripemd160 - } -} - -pub struct PKey { - evp: *mut ffi::EVP_PKEY, - parts: Parts, -} - -/// Represents a public key, optionally with a private key attached. -impl PKey { - pub fn new() -> PKey { - unsafe { - ffi::init(); - - PKey { - evp: ffi::EVP_PKEY_new(), - parts: Parts::Neither, - } - } - } - - fn _tostr(&self, f: unsafe extern "C" fn(*mut ffi::RSA, *const *mut u8) -> c_int) -> Vec<u8> { - unsafe { - let rsa = ffi::EVP_PKEY_get1_RSA(self.evp); - let len = f(rsa, ptr::null()); - if len < 0 as c_int { return vec!(); } - let mut s = repeat(0u8).take(len as usize).collect::<Vec<_>>(); - - let r = f(rsa, &s.as_mut_ptr()); - - s.truncate(r as usize); - s - } - } - - fn _fromstr(&mut self, s: &[u8], f: unsafe extern "C" fn(*const *mut ffi::RSA, *const *const u8, c_uint) -> *mut ffi::RSA) { - unsafe { - let rsa = ptr::null_mut(); - f(&rsa, &s.as_ptr(), s.len() as c_uint); - ffi::EVP_PKEY_set1_RSA(self.evp, rsa); - } - } - - pub fn gen(&mut self, keysz: usize) { - unsafe { - let rsa = ffi::RSA_generate_key( - keysz as c_int, - 65537 as c_ulong, - ptr::null(), - ptr::null() - ); - - // XXX: 6 == NID_rsaEncryption - ffi::EVP_PKEY_assign( - self.evp, - 6 as c_int, - mem::transmute(rsa)); - - self.parts = Parts::Both; - } - } - - /** - * Returns a serialized form of the public key, suitable for load_pub(). - */ - pub fn save_pub(&self) -> Vec<u8> { - self._tostr(ffi::i2d_RSA_PUBKEY) - } - - /** - * Loads a serialized form of the public key, as produced by save_pub(). - */ - pub fn load_pub(&mut self, s: &[u8]) { - self._fromstr(s, ffi::d2i_RSA_PUBKEY); - self.parts = Parts::Public; - } - - /** - * Returns a serialized form of the public and private keys, suitable for - * load_priv(). - */ - pub fn save_priv(&self) -> Vec<u8> { - self._tostr(ffi::i2d_RSAPrivateKey) - } - /** - * Loads a serialized form of the public and private keys, as produced by - * save_priv(). - */ - pub fn load_priv(&mut self, s: &[u8]) { - self._fromstr(s, ffi::d2i_RSAPrivateKey); - self.parts = Parts::Both; - } - - /// Stores private key as a PEM - // FIXME: also add password and encryption - pub fn write_pem(&self, writer: &mut Writer/*, password: Option<String>*/) -> Result<(), SslError> { - let mut mem_bio = try!(MemBio::new()); - unsafe { - try_ssl!(ffi::PEM_write_bio_PrivateKey(mem_bio.get_handle(), self.evp, ptr::null(), - ptr::null_mut(), -1, None, ptr::null_mut())); - - } - let buf = try!(mem_bio.read_to_end().map_err(StreamError)); - writer.write_all(buf.as_slice()).map_err(StreamError) - } - - /** - * Returns the size of the public key modulus. - */ - pub fn size(&self) -> usize { - unsafe { - ffi::RSA_size(ffi::EVP_PKEY_get1_RSA(self.evp)) as usize - } - } - - /** - * Returns whether this pkey object can perform the specified role. - */ - pub fn can(&self, r: Role) -> bool { - match r { - Role::Encrypt => - match self.parts { - Parts::Neither => false, - _ => true, - }, - Role::Verify => - match self.parts { - Parts::Neither => false, - _ => true, - }, - Role::Decrypt => - match self.parts { - Parts::Both => true, - _ => false, - }, - Role::Sign => - match self.parts { - Parts::Both => true, - _ => false, - }, - } - } - - /** - * Returns the maximum amount of data that can be encrypted by an encrypt() - * call. - */ - pub fn max_data(&self) -> usize { - unsafe { - let rsa = ffi::EVP_PKEY_get1_RSA(self.evp); - let len = ffi::RSA_size(rsa); - - // 41 comes from RSA_public_encrypt(3) for OAEP - len as usize - 41 - } - } - - pub fn encrypt_with_padding(&self, s: &[u8], padding: EncryptionPadding) -> Vec<u8> { - unsafe { - let rsa = ffi::EVP_PKEY_get1_RSA(self.evp); - let len = ffi::RSA_size(rsa); - - assert!(s.len() < self.max_data()); - - let mut r = repeat(0u8).take(len as usize + 1).collect::<Vec<_>>(); - - let rv = ffi::RSA_public_encrypt( - s.len() as c_int, - s.as_ptr(), - r.as_mut_ptr(), - rsa, - openssl_padding_code(padding)); - - if rv < 0 as c_int { - vec!() - } else { - r.truncate(rv as usize); - r - } - } - } - - pub fn decrypt_with_padding(&self, s: &[u8], padding: EncryptionPadding) -> Vec<u8> { - unsafe { - let rsa = ffi::EVP_PKEY_get1_RSA(self.evp); - let len = ffi::RSA_size(rsa); - - assert_eq!(s.len() as c_int, ffi::RSA_size(rsa)); - - let mut r = repeat(0u8).take(len as usize + 1).collect::<Vec<_>>(); - - let rv = ffi::RSA_private_decrypt( - s.len() as c_int, - s.as_ptr(), - r.as_mut_ptr(), - rsa, - openssl_padding_code(padding)); - - if rv < 0 as c_int { - vec!() - } else { - r.truncate(rv as usize); - r - } - } - } - - /** - * Encrypts data using OAEP padding, returning the encrypted data. The - * supplied data must not be larger than max_data(). - */ - pub fn encrypt(&self, s: &[u8]) -> Vec<u8> { self.encrypt_with_padding(s, EncryptionPadding::OAEP) } - - /** - * Decrypts data, expecting OAEP padding, returning the decrypted data. - */ - pub fn decrypt(&self, s: &[u8]) -> Vec<u8> { self.decrypt_with_padding(s, EncryptionPadding::OAEP) } - - /** - * Signs data, using OpenSSL's default scheme and sha256. Unlike encrypt(), - * can process an arbitrary amount of data; returns the signature. - */ - pub fn sign(&self, s: &[u8]) -> Vec<u8> { self.sign_with_hash(s, HashType::SHA256) } - - /** - * Verifies a signature s (using OpenSSL's default scheme and sha256) on a - * message m. Returns true if the signature is valid, and false otherwise. - */ - pub fn verify(&self, m: &[u8], s: &[u8]) -> bool { self.verify_with_hash(m, s, HashType::SHA256) } - - pub fn sign_with_hash(&self, s: &[u8], hash: hash::Type) -> Vec<u8> { - unsafe { - let rsa = ffi::EVP_PKEY_get1_RSA(self.evp); - let len = ffi::RSA_size(rsa); - let mut r = repeat(0u8).take(len as usize + 1).collect::<Vec<_>>(); - - let mut len = 0; - let rv = ffi::RSA_sign( - openssl_hash_nid(hash), - s.as_ptr(), - s.len() as c_uint, - r.as_mut_ptr(), - &mut len, - rsa); - - if rv < 0 as c_int { - vec!() - } else { - r.truncate(len as usize); - r - } - } - } - - pub fn verify_with_hash(&self, m: &[u8], s: &[u8], hash: hash::Type) -> bool { - unsafe { - let rsa = ffi::EVP_PKEY_get1_RSA(self.evp); - - let rv = ffi::RSA_verify( - openssl_hash_nid(hash), - m.as_ptr(), - m.len() as c_uint, - s.as_ptr(), - s.len() as c_uint, - rsa - ); - - rv == 1 as c_int - } - } - - pub unsafe fn get_handle(&self) -> *mut ffi::EVP_PKEY { - return self.evp - } -} - -impl Drop for PKey { - fn drop(&mut self) { - unsafe { - ffi::EVP_PKEY_free(self.evp); - } - } -} - -#[cfg(test)] -mod tests { - use crypto::hash::Type::{MD5, SHA1}; - - #[test] - fn test_gen_pub() { - let mut k0 = super::PKey::new(); - let mut k1 = super::PKey::new(); - k0.gen(512); - k1.load_pub(k0.save_pub().as_slice()); - assert_eq!(k0.save_pub(), k1.save_pub()); - assert_eq!(k0.size(), k1.size()); - assert!(k0.can(super::Role::Encrypt)); - assert!(k0.can(super::Role::Decrypt)); - assert!(k0.can(super::Role::Verify)); - assert!(k0.can(super::Role::Sign)); - assert!(k1.can(super::Role::Encrypt)); - assert!(!k1.can(super::Role::Decrypt)); - assert!(k1.can(super::Role::Verify)); - assert!(!k1.can(super::Role::Sign)); - } - - #[test] - fn test_gen_priv() { - let mut k0 = super::PKey::new(); - let mut k1 = super::PKey::new(); - k0.gen(512); - k1.load_priv(k0.save_priv().as_slice()); - assert_eq!(k0.save_priv(), k1.save_priv()); - assert_eq!(k0.size(), k1.size()); - assert!(k0.can(super::Role::Encrypt)); - assert!(k0.can(super::Role::Decrypt)); - assert!(k0.can(super::Role::Verify)); - assert!(k0.can(super::Role::Sign)); - assert!(k1.can(super::Role::Encrypt)); - assert!(k1.can(super::Role::Decrypt)); - assert!(k1.can(super::Role::Verify)); - assert!(k1.can(super::Role::Sign)); - } - - #[test] - fn test_encrypt() { - let mut k0 = super::PKey::new(); - let mut k1 = super::PKey::new(); - let msg = vec!(0xdeu8, 0xadu8, 0xd0u8, 0x0du8); - k0.gen(512); - k1.load_pub(k0.save_pub().as_slice()); - let emsg = k1.encrypt(msg.as_slice()); - let dmsg = k0.decrypt(emsg.as_slice()); - assert!(msg == dmsg); - } - - #[test] - fn test_encrypt_pkcs() { - let mut k0 = super::PKey::new(); - let mut k1 = super::PKey::new(); - let msg = vec!(0xdeu8, 0xadu8, 0xd0u8, 0x0du8); - k0.gen(512); - k1.load_pub(k0.save_pub().as_slice()); - let emsg = k1.encrypt_with_padding(msg.as_slice(), super::EncryptionPadding::PKCS1v15); - let dmsg = k0.decrypt_with_padding(emsg.as_slice(), super::EncryptionPadding::PKCS1v15); - assert!(msg == dmsg); - } - - #[test] - fn test_sign() { - let mut k0 = super::PKey::new(); - let mut k1 = super::PKey::new(); - let msg = vec!(0xdeu8, 0xadu8, 0xd0u8, 0x0du8); - k0.gen(512); - k1.load_pub(k0.save_pub().as_slice()); - let sig = k0.sign(msg.as_slice()); - let rv = k1.verify(msg.as_slice(), sig.as_slice()); - assert!(rv == true); - } - - #[test] - fn test_sign_hashes() { - let mut k0 = super::PKey::new(); - let mut k1 = super::PKey::new(); - let msg = vec!(0xdeu8, 0xadu8, 0xd0u8, 0x0du8); - k0.gen(512); - k1.load_pub(k0.save_pub().as_slice()); - - let sig = k0.sign_with_hash(msg.as_slice(), MD5); - - assert!(k1.verify_with_hash(msg.as_slice(), sig.as_slice(), MD5)); - assert!(!k1.verify_with_hash(msg.as_slice(), sig.as_slice(), SHA1)); - } -} diff --git a/src/crypto/rand.rs b/src/crypto/rand.rs deleted file mode 100644 index dc338a3d..00000000 --- a/src/crypto/rand.rs +++ /dev/null @@ -1,27 +0,0 @@ -use libc::c_int; -use ffi; - -pub fn rand_bytes(len: usize) -> Vec<u8> { - unsafe { - let mut out = Vec::with_capacity(len); - - ffi::init(); - let r = ffi::RAND_bytes(out.as_mut_ptr(), len as c_int); - if r != 1 as c_int { panic!() } - - out.set_len(len); - - out - } -} - -#[cfg(test)] -mod tests { - use super::rand_bytes; - - #[test] - fn test_rand_bytes() { - let bytes = rand_bytes(32); - println!("{:?}", bytes); - } -} diff --git a/src/crypto/symm.rs b/src/crypto/symm.rs deleted file mode 100644 index 922137c0..00000000 --- a/src/crypto/symm.rs +++ /dev/null @@ -1,314 +0,0 @@ -use std::iter::repeat; -use libc::{c_int}; - -use ffi; - -#[derive(Copy)] -pub enum Mode { - Encrypt, - Decrypt, -} - -#[allow(non_camel_case_types)] -#[derive(Copy)] -pub enum Type { - AES_128_ECB, - AES_128_CBC, - /// Requires the `aes_xts` feature - #[cfg(feature = "aes_xts")] - AES_128_XTS, - // AES_128_CTR, - //AES_128_GCM, - - AES_256_ECB, - AES_256_CBC, - /// Requires the `aes_xts` feature - #[cfg(feature = "aes_xts")] - AES_256_XTS, - // AES_256_CTR, - //AES_256_GCM, - - RC4_128, -} - -fn evpc(t: Type) -> (*const ffi::EVP_CIPHER, u32, u32) { - unsafe { - match t { - Type::AES_128_ECB => (ffi::EVP_aes_128_ecb(), 16, 16), - Type::AES_128_CBC => (ffi::EVP_aes_128_cbc(), 16, 16), - #[cfg(feature = "aes_xts")] - Type::AES_128_XTS => (ffi::EVP_aes_128_xts(), 32, 16), - // AES_128_CTR => (EVP_aes_128_ctr(), 16, 0), - //AES_128_GCM => (EVP_aes_128_gcm(), 16, 16), - - Type::AES_256_ECB => (ffi::EVP_aes_256_ecb(), 32, 16), - Type::AES_256_CBC => (ffi::EVP_aes_256_cbc(), 32, 16), - #[cfg(feature = "aes_xts")] - Type::AES_256_XTS => (ffi::EVP_aes_256_xts(), 64, 16), - // AES_256_CTR => (EVP_aes_256_ctr(), 32, 0), - //AES_256_GCM => (EVP_aes_256_gcm(), 32, 16), - - Type::RC4_128 => (ffi::EVP_rc4(), 16, 0), - } - } -} - -/// Represents a symmetric cipher context. -pub struct Crypter { - evp: *const ffi::EVP_CIPHER, - ctx: *mut ffi::EVP_CIPHER_CTX, - keylen: u32, - blocksize: u32, -} - -impl Crypter { - pub fn new(t: Type) -> Crypter { - ffi::init(); - - let ctx = unsafe { ffi::EVP_CIPHER_CTX_new() }; - let (evp, keylen, blocksz) = evpc(t); - Crypter { evp: evp, ctx: ctx, keylen: keylen, blocksize: blocksz } - } - - /** - * Enables or disables padding. If padding is disabled, total amount of - * data encrypted must be a multiple of block size. - */ - pub fn pad(&self, padding: bool) { - if self.blocksize > 0 { - unsafe { - let v = if padding { 1 as c_int } else { 0 }; - ffi::EVP_CIPHER_CTX_set_padding(self.ctx, v); - } - } - } - - /** - * Initializes this crypter. - */ - pub fn init(&self, mode: Mode, key: &[u8], iv: Vec<u8>) { - unsafe { - let mode = match mode { - Mode::Encrypt => 1 as c_int, - Mode::Decrypt => 0 as c_int, - }; - assert_eq!(key.len(), self.keylen as usize); - - ffi::EVP_CipherInit( - self.ctx, - self.evp, - key.as_ptr(), - iv.as_ptr(), - mode - ); - } - } - - /** - * Update this crypter with more data to encrypt or decrypt. Returns - * encrypted or decrypted bytes. - */ - pub fn update(&self, data: &[u8]) -> Vec<u8> { - unsafe { - let sum = data.len() + (self.blocksize as usize); - let mut res = repeat(0u8).take(sum).collect::<Vec<_>>(); - let mut reslen = sum as c_int; - - ffi::EVP_CipherUpdate( - self.ctx, - res.as_mut_ptr(), - &mut reslen, - data.as_ptr(), - data.len() as c_int - ); - - res.truncate(reslen as usize); - res - } - } - - /** - * Finish crypting. Returns the remaining partial block of output, if any. - */ - pub fn finalize(&self) -> Vec<u8> { - unsafe { - let mut res = repeat(0u8).take(self.blocksize as usize).collect::<Vec<_>>(); - let mut reslen = self.blocksize as c_int; - - ffi::EVP_CipherFinal(self.ctx, - res.as_mut_ptr(), - &mut reslen); - - res.truncate(reslen as usize); - res - } - } -} - -impl Drop for Crypter { - fn drop(&mut self) { - unsafe { - ffi::EVP_CIPHER_CTX_free(self.ctx); - } - } -} - -/** - * 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> { - let c = Crypter::new(t); - c.init(Mode::Encrypt, key, iv); - let mut r = c.update(data); - let rest = c.finalize(); - r.extend(rest.into_iter()); - r -} - -/** - * 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> { - let c = Crypter::new(t); - c.init(Mode::Decrypt, key, iv); - let mut r = c.update(data); - let rest = c.finalize(); - r.extend(rest.into_iter()); - r -} - -#[cfg(test)] -mod tests { - use serialize::hex::FromHex; - - // Test vectors from FIPS-197: - // http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf - #[test] - fn test_aes_256_ecb() { - let k0 = - vec!(0x00u8, 0x01u8, 0x02u8, 0x03u8, 0x04u8, 0x05u8, 0x06u8, 0x07u8, - 0x08u8, 0x09u8, 0x0au8, 0x0bu8, 0x0cu8, 0x0du8, 0x0eu8, 0x0fu8, - 0x10u8, 0x11u8, 0x12u8, 0x13u8, 0x14u8, 0x15u8, 0x16u8, 0x17u8, - 0x18u8, 0x19u8, 0x1au8, 0x1bu8, 0x1cu8, 0x1du8, 0x1eu8, 0x1fu8); - let p0 = - vec!(0x00u8, 0x11u8, 0x22u8, 0x33u8, 0x44u8, 0x55u8, 0x66u8, 0x77u8, - 0x88u8, 0x99u8, 0xaau8, 0xbbu8, 0xccu8, 0xddu8, 0xeeu8, 0xffu8); - let c0 = - 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.as_slice(), vec![]); - c.pad(false); - let mut r0 = c.update(p0.as_slice()); - r0.extend(c.finalize().into_iter()); - assert!(r0 == c0); - c.init(super::Mode::Decrypt, k0.as_slice(), vec![]); - c.pad(false); - let mut p1 = c.update(r0.as_slice()); - p1.extend(c.finalize().into_iter()); - assert!(p1 == p0); - } - - #[test] - fn test_aes_256_cbc_decrypt() { - let cr = super::Crypter::new(super::Type::AES_256_CBC); - let iv = vec![ - 4_u8, 223_u8, 153_u8, 219_u8, 28_u8, 142_u8, 234_u8, 68_u8, 227_u8, - 69_u8, 98_u8, 107_u8, 208_u8, 14_u8, 236_u8, 60_u8, 0_u8, 0_u8, - 0_u8, 0_u8, 0_u8, 0_u8, 0_u8, 0_u8, 0_u8, 0_u8, 0_u8, 0_u8, 0_u8, - 0_u8, 0_u8, 0_u8 - ]; - let data = [ - 143_u8, 210_u8, 75_u8, 63_u8, 214_u8, 179_u8, 155_u8, - 241_u8, 242_u8, 31_u8, 154_u8, 56_u8, 198_u8, 145_u8, 192_u8, 64_u8, - 2_u8, 245_u8, 167_u8, 220_u8, 55_u8, 119_u8, 233_u8, 136_u8, 139_u8, - 27_u8, 71_u8, 242_u8, 119_u8, 175_u8, 65_u8, 207_u8 - ]; - let ciphered_data = [ - 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.pad(false); - let unciphered_data_1 = cr.update(&ciphered_data); - let unciphered_data_2 = cr.finalize(); - - let expected_unciphered_data = b"I love turtles.\x01"; - - assert!(unciphered_data_2.len() == 0); - - assert_eq!( - unciphered_data_1.as_slice(), - expected_unciphered_data - ); - } - - fn cipher_test(ciphertype: super::Type, pt: &str, ct: &str, key: &str, iv: &str) { - use serialize::hex::ToHex; - - let cipher = super::Crypter::new(ciphertype); - cipher.init(super::Mode::Encrypt, key.from_hex().unwrap().as_slice(), iv.from_hex().unwrap()); - - let expected = ct.from_hex().unwrap().as_slice().to_vec(); - let mut computed = cipher.update(pt.from_hex().unwrap().as_slice()); - computed.extend(cipher.finalize().into_iter()); - - if computed != expected { - println!("Computed: {}", computed.as_slice().to_hex()); - println!("Expected: {}", expected.as_slice().to_hex()); - if computed.len() != expected.len() { - println!("Lengths differ: {} in computed vs {} expected", - computed.len(), expected.len()); - } - panic!("test failure"); - } - } - - #[test] - fn test_rc4() { - - let pt = "0000000000000000000000000000000000000000000000000000000000000000000000000000"; - let ct = "A68686B04D686AA107BD8D4CAB191A3EEC0A6294BC78B60F65C25CB47BD7BB3A48EFC4D26BE4"; - let key = "97CD440324DA5FD1F7955C1C13B6B466"; - let iv = ""; - - cipher_test(super::Type::RC4_128, pt, ct, key, iv); - } - - #[test] - #[cfg(feature = "aes_xts")] - fn test_aes256_xts() { - // Test case 174 from - // http://csrc.nist.gov/groups/STM/cavp/documents/aes/XTSTestVectors.zip - let pt = "77f4ef63d734ebd028508da66c22cdebdd52ecd6ee2ab0a50bc8ad0cfd692ca5fcd4e6dedc45df7f6503f462611dc542"; - let ct = "ce7d905a7776ac72f240d22aafed5e4eb7566cdc7211220e970da634ce015f131a5ecb8d400bc9e84f0b81d8725dbbc7"; - let key = "b6bfef891f83b5ff073f2231267be51eb084b791fa19a154399c0684c8b2dfcb37de77d28bbda3b4180026ad640b74243b3133e7b9fae629403f6733423dae28"; - let iv = "db200efb7eaaa737dbdf40babb68953f"; - - cipher_test(super::Type::AES_256_XTS, pt, ct, key, iv); - } - - /*#[test] - fn test_aes128_ctr() { - - let pt = ~"6BC1BEE22E409F96E93D7E117393172AAE2D8A571E03AC9C9EB76FAC45AF8E5130C81C46A35CE411E5FBC1191A0A52EFF69F2445DF4F9B17AD2B417BE66C3710"; - let ct = ~"874D6191B620E3261BEF6864990DB6CE9806F66B7970FDFF8617187BB9FFFDFF5AE4DF3EDBD5D35E5B4F09020DB03EAB1E031DDA2FBE03D1792170A0F3009CEE"; - let key = ~"2B7E151628AED2A6ABF7158809CF4F3C"; - let iv = ~"F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF"; - - cipher_test(super::AES_128_CTR, pt, ct, key, iv); - }*/ - - /*#[test] - fn test_aes128_gcm() { - // Test case 3 in GCM spec - let pt = ~"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255"; - let ct = ~"42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091473f59854d5c2af327cd64a62cf35abd2ba6fab4"; - let key = ~"feffe9928665731c6d6a8f9467308308"; - let iv = ~"cafebabefacedbaddecaf888"; - - cipher_test(super::AES_128_GCM, pt, ct, key, iv); - }*/ -} |