spring-security - Read For Learn

Is it possible to decrypt SHA1

SHA1 is a cryptographic hash function, so the intention of the design was to avoid what you are trying to do. However, breaking a SHA1 hash is technically possible. You can do so by just trying to guess what was hashed. This brute-force approach is of course not efficient, but that’s pretty much the only way. So to … Read more

An error occurred while attempting to decode the Jwt: Signed JWT rejected: Another algorithm expected, or no matching key(s) found

The issue was with the configuration in the Access Management on the token encryption. It was blank but for some reason the JWT header showed HS256, that was caused spring to look for the HS256 private key and fail. After I changed the setting to use RS256, everything started working.