Commit e86deeb4 authored by Kevin Ballard's avatar Kevin Ballard
Browse files

Merge pull request #2 from erickt/master

Merging up
parents b78636fa 08374ec0
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+3 −3
Original line number Diff line number Diff line

crypto: crypto.rc $(wildcard *.rs)
	rustc crypto.rc
	rustc --test crypto.rc
crypto: $(wildcard *.rs)
	rustc crypto.rs
	rustc --test crypto.rs

clean:
	rm -f crypto libcrypto-*.so
+1 −1
Original line number Diff line number Diff line
@@ -20,8 +20,8 @@
       uuid = "38297409-b4c2-4499-8131-a99a7e44dad3")];
#[crate_type = "lib"];

pub mod hex;
pub mod hash;
pub mod hex;
pub mod hmac;
pub mod pkcs5;
pub mod pkey;
+52 −46
Original line number Diff line number Diff line
use std::libc::c_uint;
use std::{libc,vec,ptr};
use std::libc;
use std::ptr;
use std::vec;

pub enum HashType {
    MD5,
@@ -16,10 +18,14 @@ pub type EVP_MD_CTX = *libc::c_void;
#[allow(non_camel_case_types)]
pub type EVP_MD = *libc::c_void;

#[abi = "cdecl"]
mod libcrypto {
    use super::*;
    use std::libc::c_uint;

    #[link_args = "-lcrypto"]
    extern {
        fn EVP_MD_CTX_create() -> EVP_MD_CTX;
        fn EVP_MD_CTX_destroy(ctx: EVP_MD_CTX);

        fn EVP_md5() -> EVP_MD;
        fn EVP_sha1() -> EVP_MD;
@@ -32,16 +38,17 @@ extern {
        fn EVP_DigestUpdate(ctx: EVP_MD_CTX, data: *u8, n: c_uint);
        fn EVP_DigestFinal(ctx: EVP_MD_CTX, res: *mut u8, n: *u32);
    }
}

pub fn evpmd(t: HashType) -> (EVP_MD, uint) {
    unsafe {
        match t {
            MD5 => (EVP_md5(), 16u),
            SHA1 => (EVP_sha1(), 20u),
            SHA224 => (EVP_sha224(), 28u),
            SHA256 => (EVP_sha256(), 32u),
            SHA384 => (EVP_sha384(), 48u),
            SHA512 => (EVP_sha512(), 64u),
            MD5 => (libcrypto::EVP_md5(), 16u),
            SHA1 => (libcrypto::EVP_sha1(), 20u),
            SHA224 => (libcrypto::EVP_sha224(), 28u),
            SHA256 => (libcrypto::EVP_sha256(), 32u),
            SHA384 => (libcrypto::EVP_sha384(), 48u),
            SHA512 => (libcrypto::EVP_sha512(), 64u),
        }
    }
}
@@ -52,29 +59,22 @@ pub struct Hasher {
    priv len: uint,
}

pub fn Hasher(ht: HashType) -> Hasher {
    unsafe {
        let ctx = EVP_MD_CTX_create();
        let (evp, mdlen) = evpmd(ht);
        let h = Hasher { evp: evp, ctx: ctx, len: mdlen };
        h.init();
        h
    }
}

impl Hasher {
    /// Initializes this hasher
    pub fn init(&self) {
    pub fn new(ht: HashType) -> Hasher {
        let ctx = unsafe { libcrypto::EVP_MD_CTX_create() };
        let (evp, mdlen) = evpmd(ht);
        unsafe {
            EVP_DigestInit(self.ctx, self.evp);
            libcrypto::EVP_DigestInit(ctx, evp);
        }

        Hasher { evp: evp, ctx: ctx, len: mdlen }
    }

    /// Update this hasher with more input bytes
    pub fn update(&self, data: &[u8]) {
        unsafe {
        do data.as_imm_buf |pdata, len| {
                EVP_DigestUpdate(self.ctx, pdata, len as c_uint)
            unsafe {
                libcrypto::EVP_DigestUpdate(self.ctx, pdata, len as c_uint)
            }
        }
    }
@@ -84,14 +84,22 @@ impl Hasher {
     * initialization
     */
    pub fn final(&self) -> ~[u8] {
        unsafe {
        let mut res = vec::from_elem(self.len, 0u8);
        do res.as_mut_buf |pres, _len| {
                EVP_DigestFinal(self.ctx, pres, ptr::null());
            unsafe {
                libcrypto::EVP_DigestFinal(self.ctx, pres, ptr::null());
            }
        }
        res
    }
}

impl Drop for Hasher {
    fn drop(&self) {
        unsafe {
            libcrypto::EVP_MD_CTX_destroy(self.ctx);
        }
    }
}

/**
@@ -99,7 +107,7 @@ impl Hasher {
 * value
 */
pub fn hash(t: HashType, data: &[u8]) -> ~[u8] {
    let h = Hasher(t);
    let h = Hasher::new(t);
    h.update(data);
    h.final()
}
@@ -135,7 +143,6 @@ mod tests {
    // Test vectors from http://www.nsrl.nist.gov/testdata/
    #[test]
    fn test_md5() {

        let tests = [
            HashTest(~"", ~"D41D8CD98F00B204E9800998ECF8427E"),
            HashTest(~"7F", ~"83ACB6E67E50E31DB6ED341DD2DE1595"),
@@ -158,7 +165,6 @@ mod tests {

    #[test]
    fn test_sha1() {

        let tests = [
            HashTest(~"616263", ~"A9993E364706816ABA3E25717850C26C9CD0D89D"),
            ];
+94 −73
Original line number Diff line number Diff line
use std::libc::c_int;
use std::vec;

mod libcrypto {
    use std::libc::c_int;

    #[link_args = "-lcrypto"]
#[abi = "cdecl"]
    extern {
        fn PKCS5_PBKDF2_HMAC_SHA1(pass: *u8, passlen: c_int,
                                  salt: *u8, saltlen: c_int,
                                  iter: c_int, keylen: c_int,
                                  out: *mut u8) -> c_int;
    }
}

#[doc = "
Derives a key from a password and salt using the PBKDF2-HMAC-SHA1 algorithm.
@@ -23,16 +26,16 @@ pub fn pbkdf2_hmac_sha1(pass: &str, salt: &[u8], iter: uint,
            let mut out = vec::with_capacity(keylen);

            do out.as_mut_buf |out_buf, _out_len| {
                unsafe {
                    let r = PKCS5_PBKDF2_HMAC_SHA1(
                let r = unsafe {
                    libcrypto::PKCS5_PBKDF2_HMAC_SHA1(
                        pass_buf, pass_len as c_int,
                        salt_buf, salt_len as c_int,
                        iter as c_int, keylen as c_int,
                        out_buf);
                        out_buf)
                };

                if r != 1 as c_int { fail!(); }
            }
            }

            unsafe { vec::raw::set_len(&mut out, keylen); }

@@ -49,71 +52,89 @@ mod tests {
    // http://tools.ietf.org/html/draft-josefsson-pbkdf2-test-vectors-06
    #[test]
    fn test_pbkdf2_hmac_sha1() {
        assert!(pbkdf2_hmac_sha1(
        assert_eq!(
            pbkdf2_hmac_sha1(
                "password",
                "salt".as_bytes(),
                1u,
                20u
        ) == ~[
            ),
            ~[
                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!(pbkdf2_hmac_sha1(
        assert_eq!(
            pbkdf2_hmac_sha1(
                "password",
                "salt".as_bytes(),
                2u,
                20u
        ) == ~[
            ),
            ~[
                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!(pbkdf2_hmac_sha1(
        assert_eq!(
            pbkdf2_hmac_sha1(
                "password",
                "salt".as_bytes(),
                4096u,
                20u
        ) == ~[
            ),
            ~[
                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!(pbkdf2_hmac_sha1(
        assert_eq!(
            pbkdf2_hmac_sha1(
                "password",
                "salt".as_bytes(),
                16777216u,
                20u
        ) == ~[
            ),
            ~[
                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!(pbkdf2_hmac_sha1(
        assert_eq!(
            pbkdf2_hmac_sha1(
                "passwordPASSWORDpassword",
                "saltSALTsaltSALTsaltSALTsaltSALTsalt".as_bytes(),
                4096u,
                25u
        ) == ~[
            ),
            ~[
                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!(pbkdf2_hmac_sha1(
        assert_eq!(
            pbkdf2_hmac_sha1(
                "pass\x00word",
                "sa\x00lt".as_bytes(),
                4096u,
                16u
        ) == ~[
            ),
            ~[
                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
        ]);
            ]
        );
    }
}
+111 −115
Original line number Diff line number Diff line
use std::cast;
use std::libc::{c_int, c_uint};
use std::{libc,cast,ptr,vec};
use std::libc;
use std::ptr;
use std::vec;
use hash::{HashType, MD5, SHA1, SHA224, SHA256, SHA384, SHA512};

#[allow(non_camel_case_types)]
type EVP_PKEY = *libc::c_void;
pub type EVP_PKEY = *libc::c_void;

#[allow(non_camel_case_types)]
type ANYKEY = *libc::c_void;
pub type RSA = *libc::c_void;

#[allow(non_camel_case_types)]
type RSA = *libc::c_void;
mod libcrypto {
    use super::*;
    use std::libc::{c_char, c_int, c_uint};

    #[link_args = "-lcrypto"]
#[abi = "cdecl"]
    extern {
        fn EVP_PKEY_new() -> *EVP_PKEY;
        fn EVP_PKEY_free(k: *EVP_PKEY);
    fn EVP_PKEY_assign(k: *EVP_PKEY, t: c_int, inner: *ANYKEY);
        fn EVP_PKEY_assign(pkey: *EVP_PKEY, typ: c_int, key: *c_char) -> c_int;
        fn EVP_PKEY_get1_RSA(k: *EVP_PKEY) -> *RSA;

    fn i2d_PublicKey(k: *EVP_PKEY, buf: &*mut u8) -> c_int;
    fn d2i_PublicKey(t: c_int, k: &*EVP_PKEY, buf: &*u8, len: c_uint) -> *EVP_PKEY;
    fn i2d_PrivateKey(k: *EVP_PKEY, buf: &*mut u8) -> c_int;
    fn d2i_PrivateKey(t: c_int, k: &*EVP_PKEY, buf: &*u8, len: c_uint) -> *EVP_PKEY;
        fn i2d_PublicKey(k: *EVP_PKEY, buf: **mut u8) -> c_int;
        fn d2i_PublicKey(t: c_int, k: **EVP_PKEY, buf: **u8, len: c_uint) -> *EVP_PKEY;
        fn i2d_PrivateKey(k: *EVP_PKEY, buf: **mut u8) -> c_int;
        fn d2i_PrivateKey(t: c_int, k: **EVP_PKEY, buf: **u8, len: c_uint) -> *EVP_PKEY;

        fn RSA_generate_key(modsz: c_uint, e: c_uint, cb: *u8, cbarg: *u8) -> *RSA;
        fn RSA_size(k: *RSA) -> c_uint;
@@ -31,11 +34,12 @@ extern {
                              pad: c_int) -> c_int;
        fn RSA_private_decrypt(flen: c_uint, from: *u8, to: *mut u8, k: *RSA,
                               pad: c_int) -> c_int;
    fn RSA_sign(t: c_int, m: *u8, mlen: c_uint, sig: *mut u8, siglen: *c_uint,
        fn RSA_sign(t: c_int, m: *u8, mlen: c_uint, sig: *mut u8, siglen: *mut c_uint,
                    k: *RSA) -> c_int;
        fn RSA_verify(t: c_int, m: *u8, mlen: c_uint, sig: *u8, siglen: c_uint,
                      k: *RSA) -> c_int;
    }
}

enum Parts {
    Neither,
@@ -75,70 +79,60 @@ fn openssl_hash_nid(hash: HashType) -> c_int {
    }
}

fn rsa_to_any(rsa: *RSA) -> *ANYKEY {
    unsafe {
        cast::transmute_copy(&rsa)
    }
}

fn any_to_rsa(anykey: *ANYKEY) -> *RSA {
    unsafe {
        cast::transmute_copy(&anykey)
    }
}

pub struct PKey {
    priv evp: *EVP_PKEY,
    priv parts: Parts,
}

pub fn PKey() -> PKey {
    unsafe {
        PKey { evp: EVP_PKEY_new(), parts: Neither }
///Represents a public key, optionally with a private key attached.
impl PKey {
    pub fn new() -> PKey {
        PKey {
            evp: unsafe { libcrypto::EVP_PKEY_new() },
            parts: Neither,
        }
    }

///Represents a public key, optionally with a private key attached.
impl PKey {
    unsafe fn _tostr(&self, f: extern "C" unsafe fn(*EVP_PKEY, &*mut u8) -> c_int) -> ~[u8] {
        let buf = ptr::mut_null();
        let len = f(self.evp, &buf);
    fn _tostr(&self, f: extern "C" unsafe fn(*EVP_PKEY, **mut u8) -> c_int) -> ~[u8] {
        unsafe {
            let len = f(self.evp, ptr::null());
            if len < 0 as c_int { return ~[]; }
            let mut s = vec::from_elem(len as uint, 0u8);

        let r = do s.as_mut_buf |ps, _len| {
            f(self.evp, &ps)
            let r = do s.as_mut_buf |buf, _| {
                f(self.evp, &buf)
            };

        s.slice(0u, r as uint).to_owned()
            s.truncate(r as uint);
            s
        }
    }

    unsafe fn _fromstr(
        &mut self,
        s: &[u8],
        f: extern "C" unsafe fn(c_int, &*EVP_PKEY, &*u8, c_uint) -> *EVP_PKEY
    ) {
    fn _fromstr(&mut self, s: &[u8], f: extern "C" unsafe fn(c_int, **EVP_PKEY, **u8, c_uint) -> *EVP_PKEY) {
        do s.as_imm_buf |ps, len| {
            let evp = ptr::null();
            unsafe {
                f(6 as c_int, &evp, &ps, len as c_uint);
            self.evp = evp;
            }
            self.evp = evp;
        }
    }

impl PKey {
    pub fn gen(&mut self, keysz: uint) {
        unsafe {
            let rsa = RSA_generate_key(
            let rsa = libcrypto::RSA_generate_key(
                keysz as c_uint,
                65537u as c_uint,
                ptr::null(),
                ptr::null()
            );

            let rsa_ = rsa_to_any(rsa);
            // XXX: 6 == NID_rsaEncryption
            EVP_PKEY_assign(self.evp, 6 as c_int, rsa_);
            libcrypto::EVP_PKEY_assign(
                self.evp,
                6 as c_int,
                cast::transmute(rsa));

            self.parts = Both;
        }
    }
@@ -147,47 +141,39 @@ impl PKey {
     * Returns a serialized form of the public key, suitable for load_pub().
     */
    pub fn save_pub(&self) -> ~[u8] {
        unsafe {
            self._tostr(i2d_PublicKey)
        }
        self._tostr(libcrypto::i2d_PublicKey)
    }

    /**
     * Loads a serialized form of the public key, as produced by save_pub().
     */
    pub fn load_pub(&mut self, s: &[u8]) {
        unsafe {
            self._fromstr(s, d2i_PublicKey);
        self._fromstr(s, libcrypto::d2i_PublicKey);
        self.parts = Public;
    }
    }

    /**
     * Returns a serialized form of the public and private keys, suitable for
     * load_priv().
     */
    pub fn save_priv(&self, ) -> ~[u8] {
        unsafe {
            self._tostr(i2d_PrivateKey)
        }
    pub fn save_priv(&self) -> ~[u8] {
        self._tostr(libcrypto::i2d_PrivateKey)
    }
    /**
     * Loads a serialized form of the public and private keys, as produced by
     * save_priv().
     */
    pub fn load_priv(&mut self, s: &[u8]) {
        unsafe {
            self._fromstr(s, d2i_PrivateKey);
        self._fromstr(s, libcrypto::d2i_PrivateKey);
        self.parts = Both;
    }
    }

    /**
     * Returns the size of the public key modulus.
     */
    pub fn size(&self) -> uint {
        unsafe {
            RSA_size(EVP_PKEY_get1_RSA(self.evp)) as uint
            libcrypto::RSA_size(libcrypto::EVP_PKEY_get1_RSA(self.evp)) as uint
        }
    }

@@ -225,8 +211,8 @@ impl PKey {
     */
    pub fn max_data(&self) -> uint {
        unsafe {
            let rsa = EVP_PKEY_get1_RSA(self.evp);
            let len = RSA_size(rsa);
            let rsa = libcrypto::EVP_PKEY_get1_RSA(self.evp);
            let len = libcrypto::RSA_size(rsa);

            // 41 comes from RSA_public_encrypt(3) for OAEP
            len as uint - 41u
@@ -235,8 +221,8 @@ impl PKey {

    pub fn encrypt_with_padding(&self, s: &[u8], padding: EncryptionPadding) -> ~[u8] {
        unsafe {
            let rsa = EVP_PKEY_get1_RSA(self.evp);
            let len = RSA_size(rsa);
            let rsa = libcrypto::EVP_PKEY_get1_RSA(self.evp);
            let len = libcrypto::RSA_size(rsa);

            assert!(s.len() < self.max_data());

@@ -244,7 +230,7 @@ impl PKey {

            let rv = do r.as_mut_buf |pr, _len| {
                        do s.as_imm_buf |ps, s_len| {
                            RSA_public_encrypt(
                            libcrypto::RSA_public_encrypt(
                                s_len as c_uint,
                                ps,
                                pr,
@@ -256,23 +242,24 @@ impl PKey {
            if rv < 0 as c_int {
                ~[]
            } else {
                r.slice(0u, rv as uint).to_owned()
                r.truncate(rv as uint);
                r
            }
        }
    }

    pub fn decrypt_with_padding(&self, s: &[u8], padding: EncryptionPadding) -> ~[u8] {
        unsafe {
            let rsa = EVP_PKEY_get1_RSA(self.evp);
            let len = RSA_size(rsa);
            let rsa = libcrypto::EVP_PKEY_get1_RSA(self.evp);
            let len = libcrypto::RSA_size(rsa);

            assert!(s.len() as c_uint == RSA_size(rsa));
            assert_eq!(s.len() as c_uint, libcrypto::RSA_size(rsa));

            let mut r = vec::from_elem(len as uint + 1u, 0u8);

            let rv = do r.as_mut_buf |pr, _len| {
                        do s.as_imm_buf |ps, s_len| {
                            RSA_private_decrypt(
                            libcrypto::RSA_private_decrypt(
                                s_len as c_uint,
                                ps,
                                pr,
@@ -285,7 +272,8 @@ impl PKey {
            if rv < 0 as c_int {
                ~[]
            } else {
                r.slice(0u, rv as uint).to_owned()
                r.truncate(rv as uint);
                r
            }
        }
    }
@@ -315,18 +303,18 @@ impl PKey {

    pub fn sign_with_hash(&self, s: &[u8], hash: HashType) -> ~[u8] {
        unsafe {
            let rsa = EVP_PKEY_get1_RSA(self.evp);
            let len = RSA_size(rsa);
            let rsa = libcrypto::EVP_PKEY_get1_RSA(self.evp);
            let mut len = libcrypto::RSA_size(rsa);
            let mut r = vec::from_elem(len as uint + 1u, 0u8);

            let rv = do r.as_mut_buf |pr, _len| {
                        do s.as_imm_buf |ps, s_len| {
                            RSA_sign(
                            libcrypto::RSA_sign(
                                openssl_hash_nid(hash),
                                ps,
                                s_len as c_uint,
                                pr,
                                &len,
                                &mut len,
                                rsa)
                        }
                     };
@@ -334,18 +322,19 @@ impl PKey {
            if rv < 0 as c_int {
                ~[]
            } else {
                r.slice(0u, len as uint).to_owned()
                r.truncate(len as uint);
                r
            }
        }
    }

    pub fn verify_with_hash(&self, m: &[u8], s: &[u8], hash: HashType) -> bool {
        unsafe {
            let rsa = EVP_PKEY_get1_RSA(self.evp);
            let rsa = libcrypto::EVP_PKEY_get1_RSA(self.evp);

            do m.as_imm_buf |pm, m_len| {
                do s.as_imm_buf |ps, s_len| {
                    let rv = RSA_verify(
                    let rv = libcrypto::RSA_verify(
                        openssl_hash_nid(hash),
                        pm,
                        m_len as c_uint,
@@ -361,6 +350,14 @@ impl PKey {
    }
}

impl Drop for PKey {
    fn drop(&self) {
        unsafe {
            libcrypto::EVP_PKEY_free(self.evp);
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;
@@ -368,8 +365,8 @@ mod tests {

    #[test]
    fn test_gen_pub() {
        let mut k0 = PKey();
        let mut k1 = PKey();
        let mut k0 = PKey::new();
        let mut k1 = PKey::new();
        k0.gen(512u);
        k1.load_pub(k0.save_pub());
        assert!(k0.save_pub() == k1.save_pub());
@@ -386,8 +383,8 @@ mod tests {

    #[test]
    fn test_gen_priv() {
        let mut k0 = PKey();
        let mut k1 = PKey();
        let mut k0 = PKey::new();
        let mut k1 = PKey::new();
        k0.gen(512u);
        k1.load_priv(k0.save_priv());
        assert!(k0.save_priv() == k1.save_priv());
@@ -404,8 +401,8 @@ mod tests {

    #[test]
    fn test_encrypt() {
        let mut k0 = PKey();
        let mut k1 = PKey();
        let mut k0 = PKey::new();
        let mut k1 = PKey::new();
        let msg = ~[0xdeu8, 0xadu8, 0xd0u8, 0x0du8];
        k0.gen(512u);
        k1.load_pub(k0.save_pub());
@@ -416,8 +413,8 @@ mod tests {

    #[test]
    fn test_encrypt_pkcs() {
        let mut k0 = PKey();
        let mut k1 = PKey();
        let mut k0 = PKey::new();
        let mut k1 = PKey::new();
        let msg = ~[0xdeu8, 0xadu8, 0xd0u8, 0x0du8];
        k0.gen(512u);
        k1.load_pub(k0.save_pub());
@@ -428,8 +425,8 @@ mod tests {

    #[test]
    fn test_sign() {
        let mut k0 = PKey();
        let mut k1 = PKey();
        let mut k0 = PKey::new();
        let mut k1 = PKey::new();
        let msg = ~[0xdeu8, 0xadu8, 0xd0u8, 0x0du8];
        k0.gen(512u);
        k1.load_pub(k0.save_pub());
@@ -440,8 +437,8 @@ mod tests {

    #[test]
    fn test_sign_hashes() {
        let mut k0 = PKey();
        let mut k1 = PKey();
        let mut k0 = PKey::new();
        let mut k1 = PKey::new();
        let msg = ~[0xdeu8, 0xadu8, 0xd0u8, 0x0du8];
        k0.gen(512u);
        k1.load_pub(k0.save_pub());
@@ -451,5 +448,4 @@ mod tests {
        assert!(k1.verify_with_hash(msg, sig, MD5));
        assert!(!k1.verify_with_hash(msg, sig, SHA1));
    }

}
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