Authen-Passphrase-Scrypt
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Authen-Passphrase-Scrypt version 0.001001
=========================================
This is experimental code, DO NOT USE in security-critical software.
Scrypt is a key derivation function that was originally developed for
use in the Tarsnap online backup system and is designed to be far more
secure against hardware brute-force attacks than alternative functions
such as PBKDF2 or bcrypt.
Authen::Passphrase::Scrypt is a module for hashing and verifying
passphrases using scrypt. It offers the same interface as
Authen::Passphrase. It is not however possible to use this module from
within Authen::Passphrase.
INSTALLATION
lib/Authen/Passphrase/Scrypt.pm view on Meta::CPAN
p => 1, # CPU (parallellism) work factor
salt => 'SodiumChloride && sODIUMcHLORIDE', # Must be 32 bytes
});
say 'The given password now hashes to ', $sc->as_rfc2307;
=head1 DESCRIPTION
B<This is experimental code, DO NOT USE in security-critical software>.
Scrypt is a key derivation function that was originally developed for
use in the Tarsnap online backup system and is designed to be far more
secure against hardware brute-force attacks than alternative functions
such as PBKDF2 or bcrypt.
Authen::Passphrase::Scrypt is a module for hashing and verifying
passphrases using scrypt. It offers the same interface as
L<Authen::Passphrase>. It is not however possible to use this module
from within L<Authen::Passphrase>. The methods are:
=over
av_pop|||
av_push|||
av_reify|||
av_shift|||
av_store|||
av_tindex||5.017009|
av_top_index||5.017009|
av_undef|||
av_unshift|||
ax|||n
backup_one_SB|||
backup_one_WB|||
bad_type_gv|||
bad_type_pv|||
bind_match|||
block_end||5.004000|
block_gimme||5.004000|
block_start||5.004000|
blockhook_register||5.013003|
boolSV|5.004000||p
boot_core_PerlIO|||
boot_core_UNIVERSAL|||
scrypt-1.2.1/lib/README view on Meta::CPAN
The source code under this directory is taken from the client for the
Tarsnap online backup system (and released under the 2-clause BSD license
with permission of the author); keeping this code in sync with the Tarsnap
code is highly desirable and explains why there is some functionality
included here which is not actually used by the scrypt file encryption
utility.
scrypt-1.2.1/lib/crypto/crypto_scrypt-ref.c view on Meta::CPAN
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
#include "scrypt_platform.h"
#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "sha256.h"
#include "sysendian.h"
scrypt-1.2.1/lib/crypto/crypto_scrypt.c view on Meta::CPAN
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
#include "scrypt_platform.h"
#include <sys/types.h>
#include <sys/mman.h>
#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
scrypt-1.2.1/lib/crypto/crypto_scrypt.h view on Meta::CPAN
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
#ifndef _CRYPTO_SCRYPT_H_
#define _CRYPTO_SCRYPT_H_
#include <stdint.h>
#include <unistd.h>
/**
* crypto_scrypt(passwd, passwdlen, salt, saltlen, N, r, p, buf, buflen):
* Compute scrypt(passwd[0 .. passwdlen - 1], salt[0 .. saltlen - 1], N, r,
scrypt-1.2.1/lib/crypto/crypto_scrypt_smix.c view on Meta::CPAN
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
#include <stdint.h>
#include "sysendian.h"
#include "crypto_scrypt_smix.h"
static void blkcpy(void *, const void *, size_t);
static void blkxor(void *, const void *, size_t);
static void salsa20_8(uint32_t[16]);
scrypt-1.2.1/lib/crypto/crypto_scrypt_smix_sse2.c view on Meta::CPAN
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
#include "cpusupport.h"
#ifdef CPUSUPPORT_X86_SSE2
#include <emmintrin.h>
#include <stdint.h>
#include "sysendian.h"
#include "crypto_scrypt_smix_sse2.h"
scrypt-1.2.1/lib/scryptenc/scryptenc.c view on Meta::CPAN
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
#include "scrypt_platform.h"
#include <assert.h>
#include <inttypes.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
scrypt-1.2.1/lib/scryptenc/scryptenc.h view on Meta::CPAN
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
#ifndef _SCRYPTENC_H_
#define _SCRYPTENC_H_
#include <stdint.h>
#include <stdio.h>
/**
* NOTE: This file provides prototypes for routines which encrypt/decrypt data
* using a key derived from a password by using the scrypt key derivation
scrypt-1.2.1/lib/scryptenc/scryptenc_cpuperf.c view on Meta::CPAN
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
#include "scrypt_platform.h"
#include <sys/time.h>
#include <stdint.h>
#include <stdio.h>
#include <time.h>
#include "crypto_scrypt.h"
scrypt-1.2.1/lib/scryptenc/scryptenc_cpuperf.h view on Meta::CPAN
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
#ifndef _SCRYPTENC_CPUPERF_H_
#define _SCRYPTENC_CPUPERF_H_
/**
* scryptenc_cpuperf(opps):
* Estimate the number of salsa20/8 cores which can be executed per second,
* and return the value via opps.
*/
int scryptenc_cpuperf(double *);
scrypt-1.2.1/lib/util/memlimit.c view on Meta::CPAN
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
/* We use non-POSIX functionality in this file. */
#undef _POSIX_C_SOURCE
#include "scrypt_platform.h"
#include <sys/types.h>
#include <sys/resource.h>
scrypt-1.2.1/lib/util/memlimit.h view on Meta::CPAN
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file was originally written by Colin Percival as part of the Tarsnap
* online backup system.
*/
#ifndef _MEMLIMIT_H_
#define _MEMLIMIT_H_
#include <stddef.h>
/**
* memtouse(maxmem, maxmemfrac, memlimit):
* Examine the system and return via memlimit the amount of RAM which should
* be used -- the specified fraction of the available RAM, but no more than
scrypt-1.2.1/scrypt.1 view on Meta::CPAN
.Nm
utility was written in May 2009 by Colin Percival as a
demonstration of the
.Nm
key derivation function.
The
.Nm
key derivation function was invented in March 2009 by Colin
Percival in order to allow key files from the
.Nm tarsnap
backup system to be passphrase protected.
( run in 1.279 second using v1.01-cache-2.11-cpan-49f99fa48dc )