Java Password Hashing with Argon2

Argon2 was the winner of the Password Hashing Competition in July 2015, a one-way hashing function that is intentionally resource (CPU, memory, etc) intensive. In Argon2, we can configure the length of the salt, the length of the generated hash, iterations, memory cost, and CPU cost to control the resources that are needed to hash …

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Spring Security – There is no PasswordEncoder mapped for the id “null”

Send a GET request with username and password, but hits the password encoder error? Tested Spring Boot 2.1.2.RELEASE 5.1.3.RELEASE $ curl localhost:8080/books -u user:password { "timestamp":"2019-02-22T15:03:49.322+0000", "status":500, "error":"Internal Server Error", "message":"There is no PasswordEncoder mapped for the id \"null\"", "path":"/books" } errors in logs java.lang.IllegalArgumentException: There is no PasswordEncoder mapped for the id "null" Here …

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