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Tag: jce
No Java folder located in Library despite JDK installation
Currently running OSX El Capitan on a recently set up computer. I’m trying to set up Java’s unlimited crypto policy which requires me to modify some files within my current jre, but I can’t find the Java folder that is supposed to be located within Library. I’ve run /usr/libexec/java_h…
Fixed length 64 Bytes EC P-256 Signature with JCE
I need a fixed length 64 Byte ECDSA signature with the NIST P-256 Curve. The implementation hast to use JCE. The following code sample can generate a signature and verify it. Provider provSign = …
Trust Store vs Key Store – creating with keytool
I understand that the keystore would usually hold private/public keys and the trust store only public keys (and represents the list of trusted parties you intend to communicate with). Well, that’s my first assumption, so if that’s not correct, I probably haven’t started very well… I wa…
NoSuchAlgorithmException: Algorithm HmacSHA1 not available
Look at the following line of java: If I put this in a simple test program, it runs without problems on my server. However, if I use this line in a container, I get The same JDK installation is used in both cases. After googling around a bit, I managed to get it to work by doing two things: Copying