```
public final class ScramMessageParser
extends Object
```
Parser for SCRAM protocol messages (RFC 5802) and HTTP authentication headers (RFC 7804). Thread-safe: all methods are stateless.

Nested Classes
Modifier and Type	Class	Description
`static class`	`ScramMessageParser.ScramChallengeParams`	Parsed SCRAM HTTP challenge/response parameters from WWW-Authenticate header.
`static class`	`ScramMessageParser.ServerFinalMessage`	Parsed server-final-message fields.
`static class`	`ScramMessageParser.ServerFirstMessage`	Parsed server-first-message fields.

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static ScramMessageParser.ServerFinalMessage`	`parseServerFinal(String message)`	Parse a server-final-message (RFC 5802): `v=<verifier>` OR `e=<error>`
`static ScramMessageParser.ServerFirstMessage`	`parseServerFirst(String message)`	Parse a server-first-message (RFC 5802): `r=<nonce>,s=<salt>,i=<count>[,extensions]`
`static ScramMessageParser.ScramChallengeParams`	`parseWwwAuthenticateScram(String headerValue)`	Parse SCRAM-specific parameters from a WWW-Authenticate or Authentication-Info header value.
`static void`	`validateGs2Header(String message)`	Validate the gs2-header starts with "n" (no channel binding).
`static void`	`validateNoncePrefix(String clientNonce, String fullNonce)`	Validate that the full nonce starts with the client nonce.

Class ScramMessageParser