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Are JKS (Java Key Store) files encrypted? Do they provide full protection for encryption keys, or do I need to rely solely on access control?
Is there a way to ensure that the keys are protected?
I'm interested in the gritty details, including algorithm, key management, etc. Is any of this configurable?
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Yes. The JCA API, and the JKS format, allows each privatekey to be encrypted with a separate password, which can be different from the store password.
jks, contains the Application Server's certificate, including its private key. The keystore file is protected with a password, initially changeit. Change the password using keytool .
A Java KeyStore (JKS) is a repository of security certificates – either authorization certificates or public key certificates – plus corresponding private keys, used for instance in TLS encryption. In IBM WebSphere Application Server and Oracle WebLogic Server, a file with extension jks serves as a keystore.
The biggest difference between JKS and PKCS12 is that JKS is a format specific to Java, while PKCS12 is a standardized and language-neutral way of storing encrypted private keys and certificates.
To be more precise:
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They are encrypted.
The algorithm is provider dependent. The provider will return the key/certificate based on a password. If you need strong security, find a keystore provider that uses a strong encryption.
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