33 lines
621 B
Markdown
33 lines
621 B
Markdown
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# @aws-crypto/supports-web-crypto
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Functions to check web crypto support for browsers.
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## Usage
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```
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import {supportsWebCrypto} from '@aws-crypto/supports-web-crypto';
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if (supportsWebCrypto(window)) {
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// window.crypto.subtle.encrypt will exist
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}
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```
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## supportsWebCrypto
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Used to make sure `window.crypto.subtle` exists and implements crypto functions
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as well as a cryptographic secure random source exists.
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## supportsSecureRandom
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Used to make sure that a cryptographic secure random source exists.
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Does not check for `window.crypto.subtle`.
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## supportsSubtleCrypto
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## supportsZeroByteGCM
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## Test
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`npm test`
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