Source: openagents/openagent.id/crates/openagent-server/src/did_key.rs. SHA-256: af3d85cbe793c1528189111ecc157ee9f82bc378c3f446f9246a3baac5de7e62.

This source reference follows declared modules and preserves feature attributes. It includes public declarations and implementation methods in those modules. Private-module exports and trait resolution still require the compiler; not every declaration is a crate-root import. Function bodies and constant values are omitted. Source comments describe their implementation context and are not a production deployment claim.

did_key::did_key_from_ed25519

Derives a did:key string from a raw 32-byte Ed25519 public key.

Per the did:key method specification:

1. Prepend the Ed25519 multicodec prefix (0xed01)
2. Encode with base58btc (multibase prefix 'z')
3. Result: did:key:z<base58btc>

Arguments

• pubkey - 32-byte Ed25519 public key

Returns

The did:key:z... string.

pub fn did_key_from_ed25519(pubkey: &[u8; 32]) -> String;

Source line: 28.

did_key::ed25519_from_did_key

Extracts the raw 32-byte Ed25519 public key from a did:key string.

Errors

Returns an error if the DID is not a valid did:key with Ed25519 multicodec prefix.

pub fn ed25519_from_did_key(did: &str) -> Result<[u8; 32], DidKeyError>;

Source line: 41.

did_key::parse_pubkey_base64url

Parses a public key from the base64url-encoded segment of an Authorization header.

pub fn parse_pubkey_base64url(encoded: &str) -> Result<[u8; 32], DidKeyError>;

Source line: 69.

did_key::DidKeyError

Errors from did:key operations.

#[derive(Debug, thiserror::Error)]
pub enum DidKeyError {
    #[error("did:key must start with 'did:key:z'")]
    InvalidPrefix,

    #[error("invalid base58 encoding in did:key")]
    InvalidBase58,

    #[error("invalid base64url encoding")]
    InvalidBase64,

    #[error("decoded key length {actual} does not match expected {expected}")]
    InvalidLength { expected: usize, actual: usize },

    #[error("unsupported multicodec prefix {found}; expected 0xed01 (Ed25519)")]
    UnsupportedCodec { found: String },
}

Source line: 88.