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
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
CryptoChrome Full support 11Edge Full support 12Firefox Full support 26IE Full support 11Opera Full support 15Safari Full support 6.1WebView Android Full support YesChrome Android Full support 18Firefox Android Full support 26Opera Android Full support 14Safari iOS Full support 6.1Samsung Internet Android Full support 1.0
getRandomValues()Chrome Full support 11Edge Full support 12Firefox Full support 26IE Full support 11Opera Full support 15Safari Full support 6.1WebView Android Full support ≤37Chrome Android Full support 18Firefox Android Full support 26Opera Android Full support 14Safari iOS Full support 6.1Samsung Internet Android Full support 1.0
subtle
Experimental
Chrome Full support 37Edge Full support 12Firefox 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 11Opera Full support 24Safari Full support 10.1
Full support 10.1
Full support 7
Prefixed
Prefixed Implemented with the vendor prefix: webkit
WebView Android Full support 37Chrome Android Full support 37Firefox 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 24Safari iOS Full support 10.3
Full support 10.3
Full support 7
Prefixed
Prefixed Implemented with the vendor prefix: webkit
Samsung Internet Android Full support 3.0

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

Dicionário:

"Key" = "Chave"