feat(auth): Implement passlib base64 salt decoding for legacy pbkdf2

Note: This commit was done with the help of AI.

Author: magdang

Cargo.lock

@@ -62,6 +62,12 @@ pub enum PasswordHashingAlgo {
     /// Bcrypt.
     #[default]
     Bcrypt,
+    /// Bcrypt combined with SHA256.
+    BcryptSha256,
+    /// Scrypt.
+    Scrypt,
+    /// PBKDF2 with SHA512.
+    Pbkdf2Sha512,
     // #[cfg(test)]
     /// None. Should not be used outside of testing where expected value is
     /// necessary.

crates/config/src/identity.rs

@@ -46,6 +46,9 @@ tracing.workspace = true
 url = { workspace = true, features = ["serde"] }
 uuid = { workspace = true, features = ["v4"] }
 validator.workspace = true
+pbkdf2 = { version = "0.12", features = ["simple", "sha2"] }
+scrypt = { version = "0.11", features = ["simple"] }
+subtle = "2.6.1"
 
 [dev-dependencies]
 config = { workspace = true }