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hash_extender is a utility for performing hash length extension attacks supporting MD4, MD5, RIPEMD-160, SHA-0, SHA-1, SHA-256, SHA-512, and WHIRLPOOL hashes.
Asignify offers public cryptographic signatures and encryption with a library or a command-line tool. The tool is heavily inspired by signify as used in OpenBSD. The main goal of this project is to define a high level API for signing files, validating signatures and encrypting using public-key cryptography. Asignify is designed to be portable and self-contained with zero external dependencies. Asignify can verify OpenBSD signatures, but it cannot sign messages in OpenBSD format yet.
BLAKE2 is a cryptographic hash function faster than MD5, SHA-1, SHA-2, and SHA-3, yet is at least as secure as SHA-3.
EncFS creates a virtual encrypted file system in user-space. Each file created under an EncFS mount point is stored as a separate encrypted file on the underlying file system. Like most encrypted file systems, EncFS is meant to provide security against off-line attacks, such as a drive falling into the wrong hands.
This package provides architecture-specific implementations of the CRC32C algorithm, which is specified in RFC 3720, section 12.1.
This package provides a simple password-based encryption utility as a demonstration of the scrypt key derivation function. Scrypt is designed to be far more resistant against hardware brute-force attacks than alternative functions such as PBKDF2 or bcrypt.
The libdecaf library is an implementation of elliptic curve cryptography using the Montgomery and Edwards curves Curve25519, Ed25519, Ed448-Goldilocks and Curve448, using the Decaf encoding.
The Olm library implements the Double Ratchet cryptographic ratchet. This package contains its Python bindings.
Keychain is usually run from shell profiles like ~/.bash_profile, but it is also possible to use it with non-interactive shells. It works with various operating systems (including GNU/Linux and HURD) and shells (like bourne-compatible, csh-compatible and fish shells). By default Keychain will only start ssh-agent, but it can also be configured to start gpg-agent.
Minisign is a dead simple tool to sign files and verify signatures. It is portable, lightweight, and uses the highly secure Ed25519 public-key signature system. Signature written by minisign can be verified using OpenBSD's signify tool: public key files and signature files are compatible. However, minisign uses a slightly different format to store secret keys. Minisign signatures include trusted comments in addition to untrusted comments. Trusted comments are signed, thus verified, before being displayed.
libxcrypt is a modern library for one-way hashing of passwords. It supports a wide variety of both modern and historical hashing methods: yescrypt, gost-yescrypt, scrypt, bcrypt, sha512crypt, sha256crypt, md5crypt, SunMD5, sha1crypt, NT, bsdicrypt, bigcrypt, and descrypt.
This package provides a crate to sign files and verify signatures.
This module is intended to provide a cryptographically-secure replacement for Perl's built-in rand function. "Cryptographically secure", in this case, means:
No matter how many numbers you see generated by the random number generator, you cannot guess the future numbers, and you cannot guess the seed.
There are so many possible seeds that it would take decades, centuries, or millennia for an attacker to try them all.
The seed comes from a source that generates relatively strong random data on your platform, so the seed itself will be as random as possible.
This package provides b3sum, a command line checksum tool based on the BLAKE3 cryptographic hash function.
ISAAC (Indirection, Shift, Accumulate, Add, and Count) is a fast pseudo-random number generator. It is suitable for applications where a significant amount of random data needs to be produced quickly, such as solving using the Monte Carlo method or for games. The results are uniformly distributed, unbiased, and unpredictable unless you know the seed.
This package provides a Perl interface to the ISAAC pseudo random number generator.
Optimized C library for EC operations on curve secp256k1.
Features:
secp256k1 ECDSA signing/verification and key generation.
Additive and multiplicative tweaking of secret/public keys.
Serialization/parsing of private keys, public keys, signatures.
Constant time, constant memory access signing and public key generation.
Derandomized ECDSA (via RFC6979 or with a caller provided function.)
Very efficient implementation.
Suitable for embedded systems.
No runtime dependencies.
Optional module for public key recovery.
Optional module for ECDH key exchange.
Optional module for Schnorr signatures according to BIP-340.
Cryptsetup is a utility used to conveniently set up disk encryption based on the dm-crypt Linux kernel module. It is most often used to manage LUKS volumes but also supports plain dm-crypt volumes and loop-AES, TrueCrypt (including VeraCrypt extension), and BitLocker formats.
LUKS is the standard for hard disk encryption with the kernel Linux. It provides a standard on-disk-format compatible amongst distributions as well as secure management of multiple user passwords. LUKS stores all necessary setup information in the partition header to facilitate data transport and migration.
The package also includes the veritysetup and integritysetup utilities to conveniently configure the dm-verity and dm-integrity block integrity kernel modules.
Cryptsetup is a utility used to conveniently set up disk encryption based on the dm-crypt Linux kernel module. It is most often used to manage LUKS volumes but also supports plain dm-crypt volumes and loop-AES, TrueCrypt (including VeraCrypt extension), and BitLocker formats.
LUKS is the standard for hard disk encryption with the kernel Linux. It provides a standard on-disk-format compatible amongst distributions as well as secure management of multiple user passwords. LUKS stores all necessary setup information in the partition header to facilitate data transport and migration.
The package also includes the veritysetup and integritysetup utilities to conveniently configure the dm-verity and dm-integrity block integrity kernel modules.
Cryptsetup is a utility used to conveniently set up disk encryption based on the dm-crypt Linux kernel module. It is most often used to manage LUKS volumes but also supports plain dm-crypt volumes and loop-AES, TrueCrypt (including VeraCrypt extension), and BitLocker formats.
LUKS is the standard for hard disk encryption with the kernel Linux. It provides a standard on-disk-format compatible amongst distributions as well as secure management of multiple user passwords. LUKS stores all necessary setup information in the partition header to facilitate data transport and migration.
The package also includes the veritysetup and integritysetup utilities to conveniently configure the dm-verity and dm-integrity block integrity kernel modules.
This package contains filter scripts used by the printer spoolers to convert the incoming PostScript data into the printer's native format using a printer/driver specific, but spooler-independent PPD file.
This package provides the org.opensuse.CupsPkHelper.Mechanism DBus system service which uses cups-pk-helper-mechanism. This package should only be used as part of the Guix cups-pk-helper service.
This package provides Python bindings for libcups, wrapping the CUPS API.
Contains backends, filters, and other software that was once part of the core CUPS distribution but is no longer maintained by Apple Inc. In addition it contains additional filters developed independently of Apple, especially filters for the PDF-centric printing workflow introduced by OpenPrinting.
Brlaser is a CUPS driver for Brother laser printers. This driver is known to work with these printers:
Brother DCP-1510 series
Brother DCP-1600 series
Brother DCP-1610W series
Brother DCP-7010
Brother DCP-7020
Brother DCP-7030
Brother DCP-7040
Brother DCP-7055
Brother DCP-7055W
Brother DCP-7060D
Brother DCP-7065DN
Brother DCP-7070DW
Brother DCP-7080
Brother DCP-7080D
Brother DCP-8065DN
Brother DCP-B7500D series
Brother DCP-L2500D series
Brother DCP-L2510D series
Brother DCP-L2520D series
Brother DCP-L2520DW series
Brother DCP-L2537DW
Brother DCP-L2540DW series
Brother DCP-L2550DW series
Brother DCP-L2560DW series
Brother FAX-2820
Brother FAX-2840
Brother HL-1110 series
Brother HL-1200 series
Brother HL-2030 series
Brother HL-2130 series
Brother HL-2140 series
Brother HL-2220 series
Brother HL-2230 series
Brother HL-2240 series
Brother HL-2240D series
Brother HL-2250DN series
Brother HL-2260
Brother HL-2260D
Brother HL-2270DW series
Brother HL-2280DW
Brother HL-5030 series
Brother HL-5040 series
Brother HL-5140 series
Brother HL-5370DW series
Brother HL-5450DN series
Brother HL-L2300D series
Brother HL-L2305 series
Brother HL-L2310D series
Brother HL-L2320D series
Brother HL-L2335D series
Brother HL-L2340D series
Brother HL-L2350DW series
Brother HL-L2360D series
Brother HL-L2370DN series
Brother HL-L2375DW series
Brother HL-L2380DW series
Brother HL-L2390DW
Brother HL-L2400DW
Brother HL-L2402D
Brother HL-L2405W
Brother HL-L5000D series
Brother MFC-1810 series
Brother MFC-1910W series
Brother MFC-7240
Brother MFC-7320
Brother MFC-7340
Brother MFC-7360N
Brother MFC-7365DN
Brother MFC-7420
Brother MFC-7440N
Brother MFC-7460DN
Brother MFC-7860DW
Brother MFC-8440
Brother MFC-8710DW
Brother MFC-8860DN
Brother MFC-9160
Brother MFC-L2690DW
Brother MFC-L2700DN series
Brother MFC-L2700DW series
Brother MFC-L2710DN series
Brother MFC-L2710DW series
Brother MFC-L2750DW series
Fuji Xerox DocuPrint P265 dw
Lenovo LJ2650DN