Questions tagged [crypto]
The crypto tag has no usage guidance.
111
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Decrypt a fernet token in apex
hello,
Fernet is used by another team to encrypta data with AES 128 in CBC mode.
I have the fernet key (32 bytes) and the encryption key (16 bytes).
This is the Fernet documentation: https://github....
- 617
0
votes
1
answer
27
views
Removing Initialization Vector from Cipher Text
public static string getencRequest(){
String PLAIN_Request = 'merchant_id=90578&order_id=456¤cy=INR&amount=1.00&redirect_url=https://ceptes-sf-webhook-developer-edition....
1
vote
1
answer
103
views
Verify Signature with PEM Public Key
In Apex, how do I implement the webhook verification from Ironclad described here?
Their example uses Node.js and basically boils down to this:
const isValid = crypto
.createVerify(signAlgorithm)
...
- 255
0
votes
1
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149
views
Verify ECDSA signature from Ethereum signed message hash
For my use case I need to verify a ECDSA signature from a signed Ethereum message.
From the front end, the message is first converted into a Sha3/keccac256 hash using web3.js with below method:
https:/...
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0
votes
1
answer
87
views
Salesforce APEX Crypto hash vs Javascript Crypto hash
Trying to generate a hash of a HMAC Sring in Salesforce. The hash generated using APEX in Salesforce is not identical when compared to a hash generated by JS code on the same message. Am I doing ...
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1
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1
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479
views
String encrypted using Crypto js can not decrypted via Crypto apex
We are encrypting a string using Crypto js library.
And we want to decrypt that encrypted string using Crypto apex class. But unfortunately, that is not working.
JS Code
CryptoJS.AES.encrypt('123', '...
0
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1
answer
153
views
Encrypt File Using Crypto JS in Aura Component
We want to encrypt the input file on client side using javascript in our aura component.
We are trying to use CryptoJS(https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/aes.js).
We have ...
2
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0
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166
views
Does APEX language support ES256 algorithm?
I'm trying to implement social login via Apple.
When requesting an access token, I get an "invalid_client" error.
I found that one cause for this issue is a bad-formatted JWT, which is ...
-1
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1
answer
210
views
Is it possible to decrypt a message in APEX using asymmetric RSA algorithm? [closed]
I know that Salesforce supports symmetric AES-based encryption(Crypto Class). What if I need to decrypt a message in salesforce which is encrypted using asymmetric RSA?
- 57
1
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1
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264
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Export public key from the certificate
I want to understand if there is a way to export a public key using any crypto methods, the way openssl is generating.
I am able to successful generate public key with the following command, however I ...
- 11
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48
views
How to pass key from an apex class to Visualforce controller class?
I have created a process builder which invokes apex class when a checkbox is true and it adds the encrypted Id and encrypted key to the fields in opportunity records.
The issue is that when I am ...
- 169
4
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1
answer
483
views
How Verify HMAC in Salesforce
Any ideas what I am doing wrong?
Data = '1605470404trashed';
Private Key = '5034eafbf7068b76e4762db248effd77';
Algoithm: SHA256
Actual HMAC generated from service = ...
- 53.1k
1
vote
1
answer
270
views
ENS - Signature Verification
I followed the Transactional API Notification Signing steps as mentioned in the document here.
And I get following signature key as a response on calling the endpoint /platform/v1/ens-callbacks
//...
- 2,233
2
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339
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AES256 decryption problem with PKCS7 Padding
I have an encrypted token(Encrypted in Java system with AES256 algorithm and PKCS7 padding).
when I try to decrypt in SF using crypto class. some of the information is missing from the original token.
...
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1
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475
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Decrypting a PGP File from SFTP Server
Problem
The client that I am working with is asking us to encrypt (Using PGP or GPG) files from marketing cloud and insert them onto an SFTP Server. Then, we should create a separate Node JS ...
- 11
1
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3
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2k
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How to encrypt text in apex using sha512 algorighm?
I have an urgent business requirement which requires verification of user credentials. We need to encrypt the credentials using sha512 algorithm and then compare it with already encrypted text fields ...
- 1,059
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115
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Is there a way to convert JWK to x.509 cert in Apex salesforce
Is there any way in APEX Salesforce to convert JWK to x.509 cert so that the Crypto class can be used to verify another JWT ?
- 997
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474
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Encrypting the password [duplicate]
I have a custom objects which will have user information fields and password fields.
Also i have custom LWC (salesforce site) with Username and password. Password has to store in encrypt value.
...
- 802
1
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1
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195
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Payeezy credit card payment integration using HMAC [duplicate]
I was recently working on Payeezy (link) integration with sales force. Payeezy was using HMAC to generate authorization header with help of certain apiKey, Token, TimStamp, Nonce and API Secret key. ...
- 2,444
2
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2
answers
2k
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SHA256 Algorithm
I have to apply SHA256 algorithm to a string. As the Salesforce document says, I have used the method SHA256('myString', 'UTF-8') and its giving an error as 'Method not exists'
- 76
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1k
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Crypto.verify(..) - format of a public key
I'm actually using an apex implementation of jwt for the rsa256 cryptography type using this class from github : https://github.com/salesforceidentity/jwt.
I have been able to generate a signature ...
- 2,393
3
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1
answer
1k
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Encryption / decryption with AES
I have an integration with another system which I should use the AES Algorithm.The Encryption is made in SF side - and sent in the header of an HTTP request. This made to recognize SF in internal ...
- 959
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1
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408
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Encrypt with Apex and decrypt with OpenSSL - base64 encoding and line breaks
Reposting the post to Salesforce forum from Network security forum:
I am encrypting a file with Crypto class and trying to Decrypt in Open SSL and facing issues. The same source file encrypted in ...
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3
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2
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2k
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Using the Crypto.verify() method to verify a JWT signature
I am trying to validate a JWT in apex by using the Crypto.verify() method, however, it always returns false despite the fact that I know it is valid. I know it valid because a) I created it and b) I ...
- 1,132
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1k
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base64 hash using HMAC SHA256
I am trying to compute the Apex equivalent of the following -
var shaBodyContent = CryptoJS.HmacSHA256(stringToSign, postman.getEnvironmentVariable("HMAC_SS"));
var b64BodyContent = shaBodyContent....
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3
votes
1
answer
1k
views
Encrypting and/or decrypting ciphertext with the provided Initialization Vector (IV)
I had given an cipher text (of JSON string), an IV and a key. I tried decrypting using Apex Crypto class's method:
decryptWithManagedIV(algorithmName, privateKey, IVAndCipherText)
//Sample code
...
- 1,490
1
vote
1
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881
views
How can we encrypt/decrypt AES-GCM (A256GCM) algorithm (i.e. JCA: AES/GCM/NoPadding) in Salesforce?
I am currently working on a requirement where I am developing Apex REST callouts to an external data providers. Here the complexity lies within the encryption/decryption methods that they are using: ...
- 1,490
5
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0
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2k
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Anonymous Crypto method error: last block incomplete in decryption
I am testing some Crypto methods for decryption in the anonymous window. But getting this error while trying with valid inputs:
Blob key = Blob.valueOf('xxxxxxxxxxxxxxxx');
System.debug('key: ' +key);...
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1
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1
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73
views
How to add a generic method for Encryption and decryption when using multiple times in the code?
I am trying to encrypt two fields when record is submitted using VF page.
As there are multiple functions in my class I am encrypting and decrypting multiple times as needed. Is there a way we can ...
- 27
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1k
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System.SecurityException: last block incomplete in decryption
I'm getting the error when I'm trying to decrypt an encrypted value.
Using the standard method from Crypto Class : Encrypt and Decrypt
public static String encryptValue(String customKey,String ...
- 603
2
votes
2
answers
1k
views
Generate a JWT with HS256 signature
I am trying to generate an HS256 signed JWT token via Apex. I am using this token in the Authy registration process to enable 2FA for community users.
Per the Authy documentation HS256 is the only ...
- 719
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469
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Classic Master Encryption Keys in Apex
I'm using the Crypto class but want to leverage the built-in Master Encryption Key store instead of saving my own AES keys somewhere in the database. Is it possible to get access to the Master ...
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2
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365
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Integration that involves encryption
I've done quite a few JSON/REST integrations and only two SOAPs, but this API I'm working with looks like neither. They do offer example code. I stuck with the java example because that is what I've ...
- 2,708
-1
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2
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402
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AES128: Apex Encryption to Java Decryption Checksum Generation
I am trying to integrate payment gateway into salesforce site, i have used the AES128 Encryption and same is use for decryption but while decryption i have used java code where i got the decrypt value ...
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1k
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Does Crypto.generateMac method work exactly the same as Mac and SecretKeySpec java classes
I need to create a signature in order to send a request to CyberSource. I have the following Java code, that works perfectly:
String signatureString = "Test";
final Mac sha256HMAC = Mac.getInstance("...
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2
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0
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138
views
Creating the signature value of a digital signature “manually”?
I need to sign some xml. The issue is that I cannot use the native Salesforce Crypto.signxml() method because I need to sign the soap:body and place the signature in the soap:header element, and this ...
- 85
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751
views
convert javascrip function CryptoJS.HmacSHA256() to apex
I am trying to convert the below javascript code into apex. The javascript code is below-
timestamp = Math.round((new Date()).getTime() / 1000);
var method = request.method;
var path = request.url....
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1
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164
views
Prevent Duplicates using unique key
We want to prevent duplicate records of a custom object.
The key is built from 20 fields of the record, for example:
Let's say a record has Name = "Test", Date="01/01/2018", Number="5"
the key would ...
- 529
1
vote
2
answers
2k
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JWT, Cyrpto.Sign and EncodingUtil.base64Encode
I'm writing my own class to create a JWT.
Using the JSONGenerator I am creating the header and payload, base64 encoding these with EncodingUtils. I am then creating a blob from these to sign and use ...
- 11
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1
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237
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java AES128 And Salesforce Aes128
What can I do to make apex's aes128 encryption result and Java's aes128 encryption result the same, please help me,Here are my apex Aes128 encryption methods and Java Aes128 encryption methods:
...
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2
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2k
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MD5 Blob Cannot Convert to String
I'm attempting to generate an MD5 hash in my Apex code and having issues converting the Blob object that Crypto.generateDigest() returns back into a string. The input Blob is a just-Blob.valueOf()-...
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221
views
Crypto encrypt with external IV
how can I achieve the same result from the bellow JS to apex? I already have tried:
blob encryptedData = Crypto.encrypt('AES128', AesKey, AesIv, json); //apex
but it says 'Invalid initialization ...
1
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2
answers
1k
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Generate random string using Crypto.generateAesKey?
I need to generate an unique alphanumeric string of length of 30 characters which will be used very similar to the record id.
Is it okay to use Crypto.generateAesKey() method to generate this 30 ...
- 131
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0
answers
453
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Building a RSA-SHA1 Signature from Apex
I'm trying to sign a request from apex using RSA-SHA1 algorithm. I'm following the Amazon web service requirements to build the signature as i'm actually generating a cloudfront signed url. The ...
- 442
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1
answer
2k
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Canvas app - verify signed request
i am following the canvas app documentation to verify a signed request before using the parameters i am passing in the canvas app request. The canvas app is embedding a third party app in salesforce.
...
- 7,543
1
vote
2
answers
329
views
SHA256 breaking personalization strings in email
We are currently using this code block in an email
%%[
VAR @email, @customer_no, @secret, @url, @hash
SET @email = "%%email%%"
SET @customer_no = "%%customer_no%%"
SET @secret = "<secretkey>"
...
- 117
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1
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346
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Symmetrically encrypt data off Salesforce and decrypt in Apex?
We want to encrypt data generated in a Ruby on Rails app to be encrypted, passed to Salesforce, and then be decrypted in Apex code.
This seems like a clear case for using Crypto.decrypt:
decrypt(...
- 463
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877
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Apex crypto class to encrypt REST API
We are using angular for front-end and Salesforce is being used for maintaining database. REST APIs have been written on Salesforce to communicate and fetch data to front-end. A custom profile has ...
-2
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1
answer
419
views
Convert Java encryption code to Apex
I would like to translate this method into java for apex.
Tried in different ways and could not :/
public static String encodeString(String stringToEncode, String secret) throws Exception {
byte[]...
2
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0
answers
344
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Unable to get a valid signature using APEX Crypto.signXml()
I am trying to sign an XML with the APEX method Crypto.signXml(), but I am not able to obtain a valid signature.
I'm developing in Salesforce an integration with an external SOAP Web Service that ...
- 83