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TF-PSA-Crypto 1.2.0

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@minosgalanakis minosgalanakis released this 07 Jul 14:42
tf-psa-crypto-1.2.0
73c5da5

Description

This release of TF-PSA-Crypto provides new features, bug fixes and minor enhancements. This release includes fixes for security issues.

Security Advisories

For full details, please see the following links:

Release Notes

Security

  • Fix a side channel in RSA PKCS#1 v1.5 decryption: error handling in the
    library would reveal through timing the difference between success,
    invalid padding, or output too large for buffer, giving rise to a
    Bleichenbacher attack. Note that while the library now handles sensitive
    errors in constant-time, RSA PKCS#1 v1.5 decryption remains inherently
    dangerous, should be avoided when possible, and otherwise requires great
    care in application code. Found by zhengg. CVE-2026-50587
  • Added advice about compiler options in SECURITY.md.
  • Reject ChaCha20 operations that would make the 32-bit block counter wrap
    around, which could otherwise reuse keystream and compromise
    confidentiality. Reported by jiliang. CVE-2026-50584
  • Fix a side channel in ECC computations that allows a powerful local
    attacker (typically, untrusted OS attacking a secure enclave) to fully
    recover long-term secret keys. Found and reported by Alejandro Cabrera
    Aldaya from Tampere University. CVE-2026-54435
  • In configurations with MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED (non-default),
    when doing ECDH key agreement with x25519, it was possible for the peer to
    force the shared secret to all-zero by sending a low-order point. This is
    only a problem for protocols that expect contributory behaviour, that is,
    where neither party should be able to force the shared secret.
    CVE-2026-54434
  • Fix timing side channel in RSA key generation, prime generation and
    primality testing, on platforms where division is not constant-time. At
    this point this side channel is not known to be exploitable. Reported by
    Bhargava Shastry, Ethereum Foundation.
  • Fix a 1-byte buffer overread when parsing a malformed ECC public key
    in the PK module. CVE-2026-50583

Bugfix

  • Fix a problem in library/alignment.h where the Zephyr Project use
    a pre-defined macro '__packed' which collides with the IAR keyword
    '__packed', causing the typedefs of unaligned types to remain aligned.
    Fixes mbedtls issue #10334
  • Doxygen documentation apidoc is now built into CMake's binary folder,
    not in-tree. Fixes #381.
  • Fixed a bug which prevented the inclusion of standard C library header
    files from the user provided configuration file. Fixes #784.

Who should update

We recommend all users should update to take advantage of the bug fixes contained in this release at an appropriate point in their development lifecycle.

Note

❕ tf-psa-crypto-1.2.0.tar.bz2 are our official release files. source.tar.gz and source.zip are automatically generated snapshots that GitHub is generating. They do not include external dependencies, and can't be configured

Checksum

The SHA256 hashes for the archives are:

4de95b3719874625ed4649bfc824b9271c13fc358ca88d5e227134469ad02007
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