Trait/Object

play.api.libs.crypto

CSRFTokenSigner

Related Docs: object CSRFTokenSigner | package crypto

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trait CSRFTokenSigner extends AnyRef

Cryptographic utilities for generating and validating CSRF tokens.

This trait should not be used as a general purpose encryption utility.

Source
Crypto.scala
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Abstract Value Members

  1. abstract def compareSignedTokens(tokenA: String, tokenB: String): Boolean

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    Compare two signed tokens

  2. abstract def constantTimeEquals(a: String, b: String): Boolean

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    Constant time equals method.

    Constant time equals method.

    Given a length that both Strings are equal to, this method will always run in constant time. This prevents timing attacks.

  3. abstract def extractSignedToken(token: String): Option[String]

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    Extract a signed token that was signed by play.api.libs.Crypto.signToken.

    Extract a signed token that was signed by play.api.libs.Crypto.signToken.

    token

    The signed token to extract.

    returns

    The verified raw token, or None if the token isn't valid.

  4. abstract def generateSignedToken: String

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    Generates a signed token.

  5. abstract def generateToken: String

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    Generates a cryptographically secure token.

  6. abstract def signToken(token: String): String

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    Sign a token.

    Sign a token. This produces a new token, that has this token signed with a nonce.

    This primarily exists to defeat the BREACH vulnerability, as it allows the token to effectively be random per request, without actually changing the value.

    token

    The token to sign

    returns

    The signed token

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  1. final def !=(arg0: Any): Boolean

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