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1 vote
1 answer
759 views

Is it allowed to store billing address for merchants SAQ A merchants? (PCI DSS)

I know there are many limitations for data storing and processing by PCI DSS. Some of them are explained here. https://www.pcisecuritystandards.org/pdfs/pci_fs_data_storage.pdf But I can't find any ...
Vlad's user avatar
  • 33
3 votes
2 answers
2k views

Is Blowfish validated against any standards?

OWASP ASVS 3.0 V7.7 states the following: Verify that cryptographic algorithms used by the application have been validated against FIPS 140-2 or an equivalent standard. Blowfish is not included in ...
Anders Frey's user avatar
2 votes
2 answers
736 views

Are there currently any standards for Homomorphic encryption?

I am curious if there are any released standards for homomorphic encryption, or computing on encrypted data. Perhaps by NIST, ANSI, or ISO. If not, are there any that are under development right now? ...
jburcham's user avatar
  • 158
4 votes
1 answer
1k views

Is there any real-world use of IPsec modes other than ESP tunnel?

Tunnel mode ESP (encapsulated in UDP so that it can traverse IPv4 NAT) is used as the basic building block of most of the modern VPNs that I've used and studied. In it, packets are encrypted and ...
Dan Lenski's user avatar
1 vote
1 answer
1k views

PDF encryption anomaly; version 1.5 using AES

I'm not sure if this is the correct forum to ask this question so please accept my apologies in advance if this is the wrong place. (I have already posted this in the Programmers section but I've yet ...
Chris's user avatar
  • 13