[e-gold-list] Re: AxiomaticTokenizer - Increased payment security with one time tokens

George Hara georgegabrielhara at fastmail.fm
Sun Nov 4 11:47:48 MST 2007


Pete,


The public exponent is 65537. The padding is PKCS#1 v1.5, where the
random data is made of iterative hashes of the unencrypted token (like
in those schemes which provide auditing - no side channel leaks).

The data which is actually encrypted is the (unencrypted) token itself,
which is about 170 chars / bytes, most of which is actually made of two
hexadecimal hashes.

(The hash is SHA256.)



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