Tag: openssl

Certificate subject for doesn’t contain a common name and does not have alternative names

I have generated a SSL self-signed certificate using the following commands one-by-one in remote ubuntu machine via terminal: T I’ve added the server.crt onto my local machine’s cacerts using keytool in command prompt as admin. Also added the server.crt onto ‘Trusted Root Certification Autho…

CMS signature SHA1+RSA with PEM format – Java

cryptography java openssl

I need to generate a CMS with SHA1+RSA detached signature in PEM format over a xml file input. I need to make this from Java code in runtime. I need to avoid the use of an external tool like OpenSSL. This is because we need invoke some services with the generated signature from Java and manage error properly …

SSLHandshakeException Trust anchor for certification path not found Android HTTPS

android https java openssl ssl

I’m trying to establish a connection to a HTTPS site and I got this exception: javax.net.ssl.SSLHandshakeException: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found. My original code is as follows: Then, I read Google’s article here and modified my code …

Extract raw certificate from PKCS#7 file in JAVA

cryptography java openssl pem pkcs#7

I would like to achieve the same what this openssl command performs, but programmatically in Java: openssl pkcs7 -in toBeExported.p7c -inform DER -out certificate.pem -print_certs which means that …

Load RSA public key from file

java openssl rsa

I’ve generated a private key with: After this I’ve generated a public key with: I want to sign some messages with my private key, and verify some other messages with my public key, using code like this: I found a solution to convert my private key to PKCS8 format and load it. It works with some co…