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CHANGELOG.md

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Version x.y.z

New changes will be listed here as they are developed. The version number is determined prior to the creation of a new release, based on the changes contained in that release.

Version 103.5.1

  • Additional internal self-test changes to support FIPS 140-3 certification
  • Fixed a regression in v103.5.0 which caused FIPS self-tests to be erroneously executed when importing an RSA public key, resulting in a fastfail
  • Added parameter validation/removed unnecessary assertions in ECDSA functions to reduce sharp edges

Version 103.5.0

  • Internal self-test changes to support FIPS 140-3 certification
  • Add SSKDF implementation
  • Add XMSS and XMSS^MT implementations
  • Add ML-KEM per final FIPS 203

Version 103.4.3

  • Added preliminary support for macOS (static libraries and unit tests only, no ASM optimizations)
  • Performance improvements for RSA for modern Arm64 microarchitecture

Version 103.4.2

  • Add SymCryptEntropyAccumulator to Windows kernel module
  • Fix tweak lower 64 bit overflow calculation in SYMCRYPT_XtsAesXxx
  • Add OpenSSL implementation for XtsAes and AesGcm to symcryptunittest
  • Add OpenSSL implementation for RSA PSS to symcryptunittest
  • Add Windows user mode DLL
  • Fixed debug assertion failure in AES-GCM with nonce < 12 bytes when ASM is disabled

Version 103.4.1

  • Add retpoline guard flags for undocked Windows build
  • Add Windows kernel mode DLL
  • Support ARM32 for Linux

Version 103.4.0

  • Extended SymCrypt support for XTS-AES adding support for 128-bit tweak and ciphertext-stealing
  • Added support for salt length detection in RSA-PSS verification
  • Export various constant time operations from SymCrypt Linux modules
  • Added support for nonce sizes other than 12 bytes for AES-GCM
  • Add FIPS status indicator

Version 103.3.2

  • Performance improvements for ECC NIST prime curves
  • Performance improvements for modular arithmetic
  • Added maximum iteration count for (Ec)Dsa signing
  • Additional checks for OS support of AVX512 registers on Windows
  • Various build system tweaks

Version 103.3.1

  • Temporarily disable use of AVX in SHA-2

Version 103.3.0

  • Add SymCryptEcurveCreate and SymCryptEcurveBufferSizesFromParams
  • Address some problems with building for 32-bit platforms
  • Update documentation around exceptions
  • Fix some Windows test module issues

Version 103.2.0

  • Add HMAC-SHA-3 implementations

Version 103.1.0

  • Add SHA-3 based algorithms: SHAKE, cSHAKE, KMAC

Version 103.0.1

  • Linux RNG improvements and additional testing

Version 103.0.0

  • Add SRTP-KDF and SSH-KDF implementations
  • Add optimized SHA-2 implementations
  • Add SHA-3 implementation
  • Fix integer truncation issue in 32-bit Linux builds
  • Refactor CMake files to simplify build steps and increase flexibility
  • Fix bug for SymCryptRsakeyGenerate for encrypt-only keys
  • Create and test against simple SymCrypt Windows test module (DLL)
  • Remove the module export of g_SymCryptFipsSelftestsPerformed and replace it with SymCryptFipsGetSelftestsPerformed
  • Enable SymCrypt unit tests to drive a dynamically-linked module
  • Fix unit test failure importing DH key to CNG
  • Removed Linux embedded module, as generic ARM64 module is the same
  • Rejig CPUID logic for VAES and AVX
  • Disable AVX2 in Windows boot environment

Version 102.0.0

  • Breaking change to Asymmetric key generation and import handling, sanitizing flags required for FIPS
  • Trim symbols exposed in SymCrypt module to those specified in symcrypt.h
  • Introduce logic enabling FIPS per-key tests to be deferred to before first use, rather than at generation time

Version 101.3.0

  • Fix for OpenEnclave binary to workaround clang bug
  • Fix SymCryptRsaPssVerify to return SYMCRYPT_SIGNATURE_VERIFICATION_FAILURE for invalid signatures, rather than SYMCRYPT_INVALID_ARGUMENT
  • Fix for SymCryptShortWeierstrassAddSideChannelUnsafe which is only use in ECDSA verification on SW curves
    • An owner of a private ECC key could create an invalid signature that SymCrypt would verify, leaking their private key in the process

Version 101.2.0

  • Added key pairwise consistency tests for RSA, DSA, DH, ECDSA and ECDH key generation, per FIPS 140-3 requirements
  • Added Session APIs for AES-GCM
    • For Encryption, this enables multithreaded IV generation within the SymCrypt FIPS boundary
    • For Decryption, this enables multithreaded replay protection detecting reuse of IVs in received messages

Version 101.1.0

  • Support for Group 20 in SAE method

Version 101.0.0

  • Support stable ABI: change SYMCRYPT_ERROR definition so that error values no longer change with version changes
  • Support proper shared library versioning in CMake build scripts
  • Support for FIPS integrity verification on ARM64
  • Additional CMake build system changes

Version 100.21

  • Fix bug in SymCryptDlkeySizeofPrivateKey
  • Add SymCryptDlkeySetPrivateKeyLength API
  • Add SymCryptHkdfExtractPrk API
  • Add SP800-108 self tests for HMAC-SHA512
  • Use _mmXXX_storeu_siXXX intrinsics in AES-XTS w/VAES
  • Add macros for volatile memory access to avoid MSVC C4746 warning in unit tests