RustCrypto: GF(2^128) "dbl" operation

Double operation in Galois Field GF(2^128) as used by e.g. CMAC/PMAC.

Also known as "multiply-by-x", the operation is performed in the finite field represented using the primitive polynomial x^{128 + x}7 + x^2 + x + 1.

License

Licensed under either of:

• Apache License, Version 2.0
• MIT license

at your option.

Contribution

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