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P5-crypt-xdbm_file
Jul 20, 2023
Perl module encrypt almost any kind of dbm file
CryptxDBM_File encrypts/decrypts the data in a gdbm, ndbm, sdbm and maybe even berkeleyDB, but I didn’t test that file. It gets tied to a hash and you just access the hash like normal. The crypt function can be any of the CPAN modules that use encrypt, decrypt, keysize, blocksize so CryptIDEA, CryptDES, CryptBlowfish, … should all work
IMPORTANT Encryption keys the key you pass in on the tie line will be padded or truncated to fit the keysize. Data the key/values of the hash is padded to fill complete blocks of blocksize.
The padding is stripped before being returned to the user so you shouldn’t need to worry about it except truncated keys. Read the doc that comes with crypt function to get an idea of what these sizes are. If keysize or blocksize returns a zero the default is set to 8 bytes 64 bits.
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