1 Scope
This part of ISO/IEC 9797 specifies the following MAC algorithms that use a secret key and a universal hash-function with an n-bit result to calculate an m-bit MAC based on the block ciphers specified in ISO/IEC 18033‑3 and the stream ciphers specified in ISO/IEC 18033‑4:
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a) UMAC;
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b) Badger;
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c) Poly1305-AES;
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d) GMAC.