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@rhenium rhenium commented Nov 18, 2025

RHEL 9.7 ships OpenSSL 3.5.1 with ML-DSA support, but it is disabled for TLS by default, according to the system configuration file: /etc/crypto-policies/back-ends/opensslcnf.config

Specify SSLContext#sigalgs to override the default list.

Fixes #964

RHEL 9.7 ships OpenSSL 3.5.1 with ML-DSA support, but it is disabled
for TLS by default, according to the system configuration file:
/etc/crypto-policies/back-ends/opensslcnf.config

Specify SSLContext#sigalgs to override the default list.
@rhenium rhenium merged commit 0aad4f8 into ruby:master Nov 18, 2025
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hsbt commented Nov 18, 2025

🙏 Thanks always.

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OpenSSL::TestSSL#test_pqc_sigalg is not working with RHEL 9.7

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