New to cryptography, I'm using IBM callable services CSNBENC and CSNBDEC to encrypt/decrypt fields in SMS files. It seems I need to obtain a key identifier by calling CSNBKGN and also specify an initialization vector to encrypt. Are these two calling parameters 'keys' for the encryption? Are they stored somewhere (and retreivable for decryption) in the calling services software? or do I store one or both of them on my own in a file secured by some means? The IBM manuals seem to assume a level of knowledge I just don't have on this subject. Help!
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