Libgcrypt is a general purpose cryptography library used for GnuPG2.
For more information see the project home page:
https://gnupg.org/software/libgcrypt/
The following packages have been upgraded in the Cygwin distribution:
- libgcrypt-devel 1.12.4
- libgcrypt20 1.12.4
For changes since the previous Cygwin release see below or after
installation read /usr/share/doc/libgcrypt/NEWS;
for complete details of changes after installation read
/usr/share/doc/libgcrypt/ChangeLog.
https://dev.gnupg.org/T8417
2026-09-11 1.12.4
Bug fixes:
- Fix build problem with some compiler versions related to SM4 instructions.
- Fix padding in cSHAKE found by NIST ACVP conformance vectors.
- Fix RSA PSS handling of huge salt lengths.
- Validate the length of hashed input for RSA PSS.
- Improve RSA OAEP decoder correctnes by validating an all-zero padding.
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