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The goog.crypt.Hmac Class

goog.crypt.Hmac
> goog.crypt.Hash

goog.crypt.Hmac(hasher, key, opt_blockSize)

hasher {!goog.crypt.Hash}

An object to serve as a hash function.

key {Array.<number>}

The secret key to use to calculate the hmac. Should be an array of not more than {@code blockSize} integers in {0, 255}.

opt_blockSize {number=}

Optional. The block size {@code hasher} uses. If not specified, 16.

.digest()

returns {Array.<number>}

The finalized hash computed from the internal accumulator.

.getHmac(message)

Calculates an HMAC for a given message.

message {Array.<number>}

An array of integers in {0, 255}.

returns {Array}

the digest of the given message.

.reset()

Resets the internal accumulator.

.update(bytes, opt_length)

Adds a byte array (array with values in [0-255] range) or a string (might only contain 8-bit, i.e., Latin1 characters) to the internal accumulator.

bytes {Array.<number>|Uint8Array|string}

Data used for the update.

opt_length {number=}

Number of bytes to use.

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