Class: Poly1305

crypto/chachapoly.Poly1305

new Poly1305()

Poly1305 (used for bip151)

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See:

Methods

blocks(data, bytes, m)

Process 16 byte blocks.

Parameters:
Name Type Description
data Buffer

Blocks.
bytes Number

Size.
m Number

Offset pointer.
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finish() → {Buffer}

Finalize and return a 16-byte MAC.

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Returns:
Type
Buffer

init(key)

Initialize poly1305 with a key.

Parameters:
Name Type Description
key Buffer
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update(data)

Update the MAC with data (will be processed as 16 byte blocks).

Parameters:
Name Type Description
data Buffer
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(static) auth(msg, key) → {Buffer}

Return a MAC for a message and key.

Parameters:
Name Type Description
msg Buffer
key Buffer
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Returns:

MAC

Type
Buffer

(static) verify(mac1, mac2) → {Boolean}

Compare two MACs in constant time.

Parameters:
Name Type Description
mac1 Buffer
mac2 Buffer
Source:
Returns:
Type
Boolean