Frequently Asked Question

What is the Council's guidance on the use of SHA-1?

For more information about strong cryptography, refer to the Information Supplement: PCI Cryptography Guidance, available under Guidance Document in the PCI SSC Document Library.

Our document library can be accessed on our website at: https://www.pcisecuritystandards.org/document_library/

January 2026
Article Number: 1435

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