Package nss

Network Security Services

http://www.mozilla.org/projects/security/pki/nss/

Network Security Services (NSS) is a set of libraries designed to
support cross-platform development of security-enabled client and
server applications. Applications built with NSS can support SSL v2
and v3, TLS, PKCS #5, PKCS #7, PKCS #11, PKCS #12, S/MIME, X.509
v3 certificates, and other security standards.

File Formats (Section 5)
cert8.db
cert8.db is an NSS certificate database. This certificate database is in the legacy database format. Consider migrating to cert9.db and key4.db which are the...
cert9.db
cert9.db is an NSS certificate database. This certificate database is the sqlite-based shared database with support for concurrent access.
key3.db
key3.db is an NSS certificate database. This is a key database in the legacy database format. Consider migrating to cert9.db and key4.db which which are the new...
key4.db
key4.db is an NSS key database. This key database is the sqlite-based shared database format with support for concurrent access.
pkcs11.txt
The pkcs11.txt file is used to configure initialization parameters for the nss security module and optionally other pkcs #11 modules. For full documentation...
secmod.db
secmod.db is an NSS security modules database. The security modules database is used to keep track of the NSS security modules. The NSS security modules export...