I have a webhook that sends a header, which needs to be verified. Below are some details: Problem : The Java method always returns false. The provided header and body are correct and should result as TRUE. As per docs from the provider : Signature = Base64(RSA512(WEBHOOK_PRIVATE_KEY, SHA512(eventBody))) Public Key : Header : RequestBody: Java method that’s called when webhook
Tag: rsa
How to decrypt a password protected RSA key in java?
I’m writing a code to consume a private key to encrypt and decrypt a message. The problem is that the key i use is protected by a passphrase. So i have to decrypt the key itself before use it to encrypt and decrypt. This is the header of the key content: How can I achieve that in Java? Answer This
RSA decryption according to the private key reports an error
My code using RSA on the front end： My code using RSA in the backend： PublicKey like this: PrivateKey like this: Bu-t, when i do the java code decryption, it reported such an error： How can i solve this problem ? Answer 1. You are decoding wrong. PEM format has a dash-BEGIN line identifying the type of data, a block
Java Decrypt with NodeJS Encrypt padding and oaepHash
I need to decrypt some information coming from an external service built with NodeJS. This service ask for a RSA (2048) public key in pem format in base64, in order to encrypt the information. I am creating the key pair in Java: The external service is encrypting the information as follows and is returning the bytes: I am trying to
how to construct a java.security.interfaces.RSAPublicKey?
I have the following string, which I understand to be an RSA public key: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAi+VPTFioJ3Dv/D6aEMqkiESiRkKBnISe3+…
trying to convert Java RSA-PSS signature verification code (with SHA256 hash, SHA1 MGF hash) to Python
Here’s my Java code, which successfully verifies the signature, as expected. Signature sig = Signature.getInstance(“RSASSA-PSS”); PSSParameterSpec pssParams = new PSSParameterSpec( “…
Encryption/Decryption with bouncycastle-java and RSAES-OAEP
I am not an expert with encryption, but i am trying to create an CMSEnvelopedDataGenerator with bouncycastle 1.67, where the session key is encrypted with RSAES-OAEP (1.2.840.113549.1.1.7) For now my …
Rebuild of a RSA Private Key from modulus & exponent fails
I’m trying to rebuild a RSA keypair from modulus & private/public exponents. The conversion works correct for the public key but fails to private key when comparing the encoded private keys. When …
decode south african za-drivers-license
In reference to this discussion: Decode South African (ZA) Drivers License Please assist I seem to be getting an error trying to create PublicKey instance in Java on android. I have pasted the error below: Here is the code snippet: Answer The encoded public keys you’re trying to read are not of the format expected by X509EncodedKeySpec. Instead they are
RSA Encryption disparity between Android and Java environments
Firstly, apologies for the amount of code I’m about to post. I’m trying to use the RSA public key from my Java application to encrypt a message in an Android app, and then send the ciphertext back to a Java environment for decryption, but upon attempting to decrypt I always get this error: The ciphertext does contain the correct number