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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog.

Type of changes

  • Added: for new features.
  • Changed: for changes in existing functionality.
  • Deprecated: for soon-to-be removed features.
  • Removed: for now removed features.
  • Fixed: for any bug fixes.
  • Security: in case of vulnerabilities.

This project adheres to Semantic Versioning.

Given a version number MAJOR.MINOR.PATCH

  • MAJOR incremented for incompatible API changes
  • MINOR incremented for new functionalities
  • PATCH incremented for bug fixes

[0.1.3] - 2022-11-24

Fixed

  • Remove potential MPI double free in ecdsa-verify function.
  • Skipped error check in DSA keygen.
  • Fix CMAC function prototype.
  • Memory leak in mpi abs div

Added

  • Introduce error codes in place of -1 generic errors.

Changed

  • Use static constant data for well known ECC parameters.

[0.1.2] - 2022-02-05

Fixed

  • ECDH unit test was using outdated EC points functions.
  • EC multiplication with simple windowed algorithm (CRY_ECP_MUL_WIN) was using outdated EC points functions.

Added

  • MPI fast square using Comba and Karatsuba methods.

Changed

  • ECDSA sign function now takes a functions pointer to a RNG provider.

[0.1.1] - 2020-04-01

Fixed

  • MPI "is_prime" function was not working for primes < 1010 (decimal).
  • ECDSA major fix in one of the NIST curves parameters.

Added

  • ARC4 stream cipher.
  • Elgamal digital signature.
  • Elliptic curve group arithmetics exhaustive unit tests (add/mul).
  • DSA key parameters generator.
  • SHA-512 and SHA-384

[0.1.0] - 2019-09-23

Fixed

  • MPI bit-set macro was setting the wrong bit when using 64-bit digits.

Added

  • RSA sign/verify functions.
  • Schoolbook RSA.
  • AES Key Wrap (RFC-3394).

Changed

  • RSA padding schemes correction.
  • MPI random prime generation sequence independence from MPI digit size.
  • Weak PRNG renamed to LFSR-113.

[0.0.10] - 2019-06-08

Added

  • Some NIST recommended elliptic curve domain parameters over Fp.
  • Some Brainpool standard curve domain parameters over Fp (RFC 5639).
  • Malloc mock and Valgrind used to execute CI unit-tests>
  • Uncrustify and clang-format project files.
  • Stricter compiler warnings policy wrt size types and int sign conversions.

[0.0.9] - 2019-04-22

Fixed

  • MPI product of negative value by zero returning negative zero.
  • MPI potential uninitialized memory access when digit size is 1.
  • MPI square unhandled integer overflow when digit size is 1.

Added

  • SHA1 message digest
  • Continuous code quality inspection. Tools: cppcheck, vera++, valgrind, gcovr, sonar-scanner, clang.

Changed

  • Configurable MPI digit size and memory alloc quantum.
  • MPI exponentiation refactory.

[0.0.8] - 2019-03-16

Fixed

  • MPI and RSA not initialized values.

Added

  • CFB block cipher mode of operation.
  • CRC16-DNP.
  • RSA keypair generator.

Changed

  • Incremental CMAC computation.

Removed

  • Trivial LRC and 8-bit checksum.
  • System dependent PRNG.

[0.0.7] - 2018-12-26

Added

  • MPI Toom-Cook-3 multiplier.
  • Trivium stream cipher.
  • Hill cipher.
  • Polyalphabetic affine cipher.

Changed

  • Project released under the MIT license.

[0.0.6] - 2017-07-09

Added

  • ECP core arithmetic (add,dbl,mul).
  • Load NIST-P256 EC parameters.
  • DSA end ECDSA digital signature.
  • ECP multiplication with sliding window algorithm.
  • ECDH secret exchange.

[0.0.5] - 2016-10-02

Added

  • Diffie-Hellman secret exchange.
  • OS agnostic CSPRNG with AES-CTR.
  • CRC32 Ethernet.

[0.0.4] - 2016-05-07

Added

  • MPI Comba multiplier.
  • MPI Karatsuba multiplier.
  • MPI fast division.
  • MPI square algorithm.
  • HMAC with generic hash function.

[0.0.3] - 2015-11-28

Added

  • MPI abs, shl/shr, gcd, lcm, exp, mod-exp.
  • MPI load/store from string and binary buffer.
  • MPI inverse (Euclidean algorithm).
  • Unit test framework.
  • Improved build system using non recursive make.
  • CSPRNG wrapper around OS specific PRNG..
  • RSA (PKCS#1 v1.5).

[0.0.2] - 2014-11-22

Added

  • LRC.
  • 8-bit trivial checksum.
  • CRC16-IBM.
  • MPI add, sub, mul, div.
  • MPI print.

[0.0.1] - 2014-05-10

Added

  • AES block cipher.
  • DES block cipher.
  • CBC block cipher mode of operation.
  • GCM block cipher mode of operation.
  • CTR block cipher mode of operation.
  • MD5 message digest.
  • SHA256 message digest.
  • CMAC message authentication code.
  • Base64 encoder.
  • CRC16-CCITT.