Blake2 v1.0.2 Blake2 View Source
BLAKE2 hash functions
Implementing “Blake2b” and “Blake2s” as described in RFC7693
Note that, at present, this only supports full message hashing and no OPTIONAL features of BLAKE2.
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hash2b(m, output_size \\ 64, secret_key \\ "")
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hash2b(binary(), pos_integer(), binary()) :: binary() | :error
Blake2b hashing
Note that the output_size
is in bytes, not bits
- 64 => Blake2b-512 (default)
- 48 => Blake2b-384
- 32 => Blake2b-256
Per the specification, any output_size
between 1 and 64 bytes is supported.
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hash2s(m, output_size \\ 32, secret_key \\ "")
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hash2s(binary(), pos_integer(), binary()) :: binary() | :error
Blake2s hashing
Note that the output_size
is in bytes, not bits
- 32 => Blake2s-256 (default)
- 24 => Blake2b-192
- 16 => Blake2b-128
Per the specification, any output_size
between 1 and 32 bytes is supported.