- Random123-1.00 Documentation

## Classes | |

class | r123::Philox2x32_R< ROUNDS > |

class | r123::Philox2x64_R< ROUNDS > |

class | r123::Philox4x32_R< ROUNDS > |

class | r123::Philox4x64_R< ROUNDS > |

## Typedefs | |

typedef Philox2x32_R < philox2x32_rounds > | r123::Philox2x32 |

typedef Philox2x64_R < philox2x64_rounds > | r123::Philox2x64 |

typedef Philox4x32_R < philox4x32_rounds > | r123::Philox4x32 |

typedef Philox4x64_R < philox4x64_rounds > | r123::Philox4x64 |

## Enumerations | |

enum | { philox2x32_rounds = 10 } |

enum | { philox4x32_rounds = 10 } |

enum | { philox2x64_rounds = 10 } |

enum | { philox4x64_rounds = 10 } |

The PhiloxNxW classes export the member functions, typedefs and operator overloads required by a CBRNG class.

As described in *Parallel Random Numbers: As Easy as 1, 2, 3* . The Philox family of counter-based RNGs use integer multiplication, xor and permutation of word-sized blocks to scramble the bits of its input key. Philox is a mnemonic for Product HI LO Xor).

Philox2x32 is equivalent to Philox2x32_R<10>. With 10 rounds, Philox2x32 has a considerable safety margin over the minimum number of rounds with no known statistical flaws, but still has excellent performance.

Philox2x64 is equivalent to Philox2x64_R<10>. With 10 rounds, Philox2x64 has a considerable safety margin over the minimum number of rounds with no known statistical flaws, but still has excellent performance.

Philox4x32 is equivalent to Philox4x32_R<10>. With 10 rounds, Philox4x32 has a considerable safety margin over the minimum number of rounds with no known statistical flaws, but still has excellent performance.

Philox4x64 is equivalent to Philox4x64_R<10>. With 10 rounds, Philox4x64 has a considerable safety margin over the minimum number of rounds with no known statistical flaws, but still has excellent performance.

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