I'm trying to execute code to perform the Diffie-Hellman key exchange. I sourced the code from an example online (forget where now). I had to import the bouncycastle.jar, which I assumed worked up ...

I'm familiar with basic cryptography in java But have zero experience in bouncycastle, Recently I came across a requirement that needs to read an encrypted and signed file from FTP. The sender has ...

I'm working on a project which needs to generate GPG-Keys for public-key encryption. My language of choice for it is Scala and the library for the cryptographic stuff is BouncyCastle Key generatio...

For supporting HTTPS connections through a Java 1.6 API to remote hosts using TLS 1.2, we have developed a customized TLS SocketConnection factory based on Bouncy Castle Libraries (v. 1.53) It's v...

I am getting below Exception which I observed when running Android app - it does not occurs when I run the code below as JUnit. java.security.NoSuchAlgorithmException: ECDSA KeyPairGenerator not ...

I'm trying to encrypt communication between Java (BouncyCastle) and iOS using the Apple algorithm eciesEncryptionCofactorVariableIVX963SHA256AESGCM. The algorithm by Apple is not well documented, b...

I am trying to perform Asymmetric Encryption and Decryption using RSA and OAEPPadding on actually larger data, say, 10 KB. Many Stackoverflow articles mentioned to use the Hybrid approach [Assymmet...

I have a big project written in Grails 2.3.8. Sometimes when I deploy it using my CI I got this message: Unable to complete the scan for annotations for web application [/ProjectName##1152] due to...

I am trying to read a PKCS#8 private key which looks like following: key.k8 --> (Sample key. Passphrase - 123456): -----BEGIN ENCRYPTED PRIVATE KEY----- MIIFLTBXBgkqhkiG9w0BBQ0wSjApBgkqhkiG9w0BB...

I have a private key that was generated by running: openssl req -new -sha384 -x509 -days 63524 -subj "/C=CA/ST=State/L=City/O=Org/CN=Org-CA" -extensions v3_ca -keyout Org-CA.key -out Org-...

i am trying to decrypt a pkcs8 encrypted private key using bouncy castle library. I parsed the file containing the private key using PEMParser provided by bouncy castle. I got PKCS8EncryptedPrivate...

I was trying to extract RES public key from the file below -----BEGIN CERTIFICATE----- MIIGwTCCBamgAwIBAgIQDlV4zznmQiVeF45Ipc0k7DANBgkqhkiG9w0BAQUFADBmMQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgS...

I generated RSA keys and my backend sends 3 parameters in BASE64 (except signatureAlgorithm) for creating CSR to me: "subject" : "MIGfMQswCQYDVQQGEwJJUjEvMC0GA1UEAwwmMTAwMDAwMzg1MDA3...

I cannot find any code/doc describing how to sign a CSR using BC. As input I have a CSR as a byte array and would like to get the cert in PEM and/or DER format. I have gotten this far def signCSR...

I have a c# program that uses BouncyCastle. If I insert a reference to iTextSharp, the compiler generates many errors of classes already existing in both references. I have specified all the namesp...

I'm writing an app that'll exchange data between a phone and a Windows PC, and I want to protect the data sent with key generated with a Diffie-Hellman exchange. I'm trying to use BouncyCastle for...

In Java 8, I've globally registered the Bouncy Castle security provider by doing the following steps: copy bouncycastle jar to jre/lib/ext add security.provider.<N>=org.bouncycastle.jce.prov...

I've seen a number of posts, followed a number of tutorials but none seems to work. Sometimes, they make reference to some classes which are not found. Can I be pointed to a place where I can get a...

I'm currently signing using code that looks as below. I'm trying to find a way to create deterministic signatures. Is that possible with BouncyCastle? var curve = SecNamedCurves.GetByName("sec...

I have a password protected, encrypted RSA private key, which was created with PyCrypto (2.6.1) and has according to their docs the following format: PrivateKeyInfo, PKCS#8 (DER SEQUENCE), PEM (RFC...

I have a X509Certificate, derived from CMSSignedData(PKCS7). My question is how can I get the URL to the CRL file to check whether the certificate was revocated. I've tried the code below: X509Cer...

I'm trying to create a TLS connection with client authentication using BouncyCastle in C#. However I'm unsure how to properly set the context and I'm receiving an exception "Cannot be null for...

I am trying to generate signature using ECDSA with secp256r1 curve (P256) and SHA256 algorithm for message hash. Also i am using Bouncy Castle libraries. Code below, public class MyTest { /** ...

How can one programmatically obtain a KeyStore from a PEM file containing both a certificate and a private key? I am attempting to provide a client certificate to a server in an HTTPS connection. I...

I am new to the security side of Java and stumbled across this library called BouncyCastle. But the examples that they provide and the ones out on the internet ask to use return new PKCS10Certifica...