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erotavlas
  • Member for 10 years
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10 votes
1 answer
2k views

Is there a format preserving cryptographically secure hash?

4 votes
1 answer
890 views

Using a hash (like SHA-256) vs AES as the source for pseudo-random values in Feistel network?

4 votes
1 answer
1k views

How can AES + cycle walking be used as an FPE?

3 votes
1 answer
847 views

How to select a 'tweak' used in FE1 mode format preserving encryption?

3 votes
2 answers
576 views

How obvious is it to decrypt numerics encrypted with a reused one time pad?

3 votes
1 answer
921 views

Is format preserving encryption suitable for use with words or names?

2 votes
1 answer
42 views

What are the number of output bits of the internal function F used in BPS algorithm?

2 votes
1 answer
368 views

Why is the tweak length 64bit in BPS FPE algorithm?

2 votes
2 answers
9k views

How to encrypt dates using format preserving encryption and avoid collisions

1 vote
1 answer
110 views

Is this the correct procedure for cycle walking using an FPE?

1 vote
1 answer
167 views

Encrypting a string as smaller pieces vs. encrypting it as a whole

1 vote
1 answer
1k views

How to use AES correctly in BPS Format Preserving Encryption

1 vote
1 answer
288 views

Algorithm to transform plaintext to a key of desired keysize, when using input plaintext as key for FPE?

1 vote
1 answer
252 views

What is a good way to handle longer strings using FPE?

0 votes
1 answer
168 views

Can BPS be used to encrypt a single integer, and restrict the output to a certain range?