What are the differences between . pem, . cer, and . der? 228 pem, cer and der are all file extensions for files that may contain a X 509 v3 certificate The der extension DER is the method of encoding the data that makes up the certificate DER itself could represent any kind of data, but usually it describes an encoded certificate or a CMS container
openssl der files importing into java keystore - Stack Overflow I created a keypair with openssl and want them to import into the java-keystore: 1) openssl genpkey -algorithm RSA -pkeyopt rsa_keygen_bits:2048 -out my_privatekey pem 2) openssl rsa -pubout -outf
How to import a . cer certificate into a java keystore? Importing cer certificate file downloaded from browser (open the url and dig for details) into cacerts keystore in java_home\jre\lib\security worked for me, as opposed to attemps to generate and use my own keystore Go to your java_home\jre\lib\security (Windows) Open admin command line there using cmd and CTRL + SHIFT + ENTER Run keytool to import certificate: (Replace yourAliasName and path