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Título
Upgrade Authentication Services and SHA1 deprecation -
Descripción
Systems with the SHA1 algorithm disabled per crypto-policies may exhibit issues while performing unattended installation of Authentication Services 5.x.x, specially on Rocky and AlmaLinux 9.x
Similar errors can be seen:
Checking for recommended patches...Done
Checking for available software... Done
Checking for installed software... warning: Signature not supported. Hash algorithm SHA1 not available.
error: rpmdbNextIterator: skipping h# 1170
Header V4 RSA/SHA1 Signature, key ID 4417450c: BAD
Header SHA256 digest: OK
Header SHA1 digest: OK
warning: Signature not supported. Hash algorithm SHA1 not available.
error: rpmdbNextIterator: skipping h# 1171
Header V4 RSA/SHA1 Signature, key ID 4417450c: BAD
Header SHA256 digest: OK
Header SHA1 digest: OK -
Causa
The SHA-1 algorithm is used for creating and verifying signatures. Current crypto policies consider SHA1 to be an insecure algorithm and disable it by default.
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Resolución
This is expected and not a bug.
Re-enable the SHA1 algorithm momentarily, install the product, and reenable the default policy.
1- # sudo update-crypto-policies --set DEFAULT:SHA1
2- proceed to install our package
3- # sudo update-crypto-policies --set DEFAULT # this will enable default security policy without SHA1