37 lines
1.4 KiB
JavaScript
37 lines
1.4 KiB
JavaScript
'use strict';
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/**
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* Interface encapsulating the various crypto computations used by the library,
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* allowing pluggable underlying crypto implementations.
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*/
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class CryptoProvider {
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/**
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* Computes a SHA-256 HMAC given a secret and a payload (encoded in UTF-8).
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* The output HMAC should be encoded in hexadecimal.
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*
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* Sample values for implementations:
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* - computeHMACSignature('', 'test_secret') => 'f7f9bd47fb987337b5796fdc1fdb9ba221d0d5396814bfcaf9521f43fd8927fd'
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* - computeHMACSignature('\ud83d\ude00', 'test_secret') => '837da296d05c4fe31f61d5d7ead035099d9585a5bcde87de952012a78f0b0c43
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*/
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computeHMACSignature(payload, secret) {
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throw new Error('computeHMACSignature not implemented.');
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}
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/**
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* Asynchronous version of `computeHMACSignature`. Some implementations may
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* only allow support async signature computation.
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*
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* Computes a SHA-256 HMAC given a secret and a payload (encoded in UTF-8).
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* The output HMAC should be encoded in hexadecimal.
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*
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* Sample values for implementations:
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* - computeHMACSignature('', 'test_secret') => 'f7f9bd47fb987337b5796fdc1fdb9ba221d0d5396814bfcaf9521f43fd8927fd'
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* - computeHMACSignature('\ud83d\ude00', 'test_secret') => '837da296d05c4fe31f61d5d7ead035099d9585a5bcde87de952012a78f0b0c43
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*/
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computeHMACSignatureAsync(payload, secret) {
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throw new Error('computeHMACSignatureAsync not implemented.');
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}
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}
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module.exports = CryptoProvider;
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