VerifySCryptHash

Description

This function accepts a plain text and hashed value and compares the text with the hashed value.

Syntax

VerifySCryptHash(plaintext, hashedString, options)

VerifySCryptHash(plaintext, hashedString, options)

History

ColdFusion (2021 release): Added this function.

Parameters

Parameter	Description
plaintext	(Required) The input string on which the hash function must be run.
hashedString	(Required) The hashed output from the GenerateSCryptHash function.
options	(Optional) A struct with the following values: keyLength - key length for the algorithm (as defined in scrypt this is dkLen). The default is currently 32.

Example

stringToEncrypt="Sample string"

options = StructNew()

options.cpucost = 1024

options.memorycost = 64

options.keylength = 16

options.saltlength = 8

sCrypted=GenerateSCryptHash(stringToEncrypt,options)

// struct

decryptOptions = structNew()

decryptOptions.keylength=16

backToString = VerifySCryptHash(stringToEncrypt, sCrypted, decryptOptions)

writeDump(backToString)

</cfscript>

<cfscript> stringToEncrypt="Sample string" options = StructNew() options.cpucost = 1024 options.memorycost = 64 options.keylength = 16 options.saltlength = 8 sCrypted=GenerateSCryptHash(stringToEncrypt,options) // struct decryptOptions = structNew() decryptOptions.keylength=16 backToString = VerifySCryptHash(stringToEncrypt, sCrypted, decryptOptions) writeDump(backToString) </cfscript>

<cfscript> 
    stringToEncrypt="Sample string" 
    options = StructNew()  
    options.cpucost = 1024  
    options.memorycost = 64  
    options.keylength = 16  
    options.saltlength = 8 
    sCrypted=GenerateSCryptHash(stringToEncrypt,options)  
    // struct 
    decryptOptions = structNew() 
    decryptOptions.keylength=16 
    backToString = VerifySCryptHash(stringToEncrypt, sCrypted, decryptOptions) 
    writeDump(backToString)  
</cfscript>

Output

YES

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