package salsa20

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salsa20
- CHANGES
- LICENSE
- README
- Library salsa20
  - Salsa20
- Sources
  - salsa20
    
    salsa20.ml

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Module `Salsa20`Source

The Salsa20 specification specifies a Salsa20/20 encryption function as well as a set of reduced Salsa20/8 and Salsa20/12 encryption functions.

Note that only the 32-byte and 16-byte expansion function are implemented since. The 10-byte expansion functions is not supported, since it's not recommended. If you're interested in this reduced key length, it can still be easily generated.

Sourcetype t

Type of Salsa20 state.

Sourceval create : ?hash:(Cstruct.t -> Cstruct.t) -> Cstruct.t -> Cstruct.t -> t

create ?hash key nonce is state, the Salsa20 encryption/decryption function state. hash is Salsa20_core.salsa20_20_core by default (recommended), Salsa20_core.salsa20_12_core or Salsa20_core.salsa20_8_core could also be used instead. key is either a 32 (recommended) or 16 bytes. nonce is 8 bytes.

raises Invalid_argument
if key or nonce is not of the correct size

Sourceval encrypt : Cstruct.t -> t -> Cstruct.t

encrypt input state is output, the Salsa20 encryption function.

Sourceval decrypt : Cstruct.t -> t -> Cstruct.t

encrypt input state is output, the Salsa20 decryption function.

package salsa20

Module Salsa20Source

Module `Salsa20`Source