Man pages matching name crypt::openssl::dsa::signature in section 3pm:

Crypt::OpenSSL::DSA::Signature.3pm.en	debian 10 / libcrypt-openssl-dsa-perl
Crypt::OpenSSL::DSA::Signature.3pm.en	debian 11 / libcrypt-openssl-dsa-perl
Crypt::OpenSSL::DSA::Signature.3pm.en	debian 12 / libcrypt-openssl-dsa-perl