Crypto

A interface Crypto apresenta características de criptografia básica disponíveis no contexto atual. Isto permite acesso a um forte gerador criptográfico de números aleatórios e a criptografias primitivas.

Um objeto com essa interface está disponível no contexto web via propriedade Window.crypto .

Propriedades

Esta interface implementa propriedades definidas em RandomSource.

Crypto.subtle Somente leitura: Retorna um objeto SubtleCrypto provendo acesso a criptografias primitivas comuns, como hashing, signing, encryption ou decryption.

Métodos

Esta interface implementa métodos definidos em RandomSource.

RandomSource.getRandomValues(): Preenche a TypedArray com valores criptografados aleatórios.

Especificações

Especificação	Status	Comentário
Web Cryptography API The definition of 'Crypto' in that specification.	Recomendação	Definição inicial.

Compatibilidade de Browser

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`Crypto`	Chrome Full support 11	Edge Full support 12	Firefox Full support 26	IE Full support 11	Opera Full support 15	Safari Full support 6.1	WebView Android Full support Yes	Chrome Android Full support 18	Edge Mobile Full support 12	Firefox Android Full support 26	Opera Android Full support 14	Safari iOS Full support 6.1	Samsung Internet Android Full support Yes
`subtle` Experimental	Chrome Full support 37	Edge Full support 12	Firefox Full support 34 Full support 34 No support 32 — 34 Disabled Disabled From version 32 until version 34 (exclusive): this feature is behind the `dom.webcrypto.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	IE Partial support 11	Opera Full support 24	Safari Full support 10.1 Full support 10.1 Full support 7 Prefixed Prefixed Implemented with the vendor prefix: webkit	WebView Android Full support 37	Chrome Android Full support 37	Edge Mobile Full support 12	Firefox Android Full support 34 Full support 34 No support 32 — 34 Disabled Disabled From version 32 until version 34 (exclusive): this feature is behind the `dom.webcrypto.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	Opera Android Full support 24	Safari iOS Full support 10.1 Full support 10.1 Full support 7 Prefixed Prefixed Implemented with the vendor prefix: webkit	Samsung Internet Android Full support Yes
`getRandomValues`	Chrome Full support 11	Edge Full support 12	Firefox Full support 26	IE Full support 11	Opera Full support 15	Safari Full support 6.1	WebView Android Full support Yes	Chrome Android Full support 18	Edge Mobile Full support 12	Firefox Android Full support 26	Opera Android Full support 14	Safari iOS Full support 6.1	Samsung Internet Android Full support Yes

Legend

Full support: Full support
Partial support: Partial support
Experimental. Expect behavior to change in the future.: Experimental. Expect behavior to change in the future.
User must explicitly enable this feature.: User must explicitly enable this feature.
Requires a vendor prefix or different name for use.: Requires a vendor prefix or different name for use.

Veja também

Components.utils.importGlobalProperties

Dicionário:

"Key" = "Chave"