1 The filenames in the cacerts directory are in the format of <hash>.<n> 2 where "hash" is the subject hash produced by: 3 4 openssl x509 -subject_hash_old -in filename 5 6 and the "n" is a unique integer identifier starting at 0 to deal 7 with collisions. See OpenSSL's c_rehash manpage for details. 8