= PMAC (cryptography)
{wiki=PMAC_(cryptography)}
PMAC, or "Parallel Message Authentication Code," is a cryptographic technique used to provide message authenticity and integrity. It is designed to efficiently create a MAC (Message Authentication Code) for variable-length messages using block cipher algorithms. Here are some key points about PMAC: 1. **Purpose**: PMAC is used to ensure that a message has not been altered in transit and that the sender is authenticated. This is crucial in various applications, such as secure communications and data integrity verification.
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