Pci Encryption ^hot^ Guide
There are several types of encryption that can be used to protect sensitive cardholder data, including:
Weak/obsolete algorithms (DES, 3DES, RC4, MD5 for signatures) are prohibited. pci encryption

There are several types of encryption that can be used to protect sensitive cardholder data, including:
Weak/obsolete algorithms (DES, 3DES, RC4, MD5 for signatures) are prohibited. pci encryption