@hpke/ohttp/esm/src/keyConfig.d.ts

Oblivious HTTP (RFC 9458) client and server using HPKE

/** A KDF/AEAD pair advertised in a KeyConfig. */
export interface OhttpCipherSuite {
    kdf: number;
    aead: number;
}
/** Parsed public key configuration for OHTTP (RFC 9458 Section 3). */
export interface OhttpKeyConfig {
    keyId: number;
    kem: number;
    publicKey: Uint8Array;
    cipherSuites: OhttpCipherSuite[];
}
/**
 * Deserialize an `application/ohttp-keys` payload into key configurations.
 *
 * The wire format is a sequence of length-prefixed KeyConfig entries:
 *
 *   KeyConfig {
 *     Key Identifier (8),
 *     KEM ID (16),
 *     Public Key (Npk bytes, determined by KEM),
 *     Cipher Suites Length (16),
 *     Cipher Suites (variable) {
 *       KDF ID (16),
 *       AEAD ID (16),
 *     } ...
 *   }
 *
 * Each KeyConfig is prefixed with its 2-byte length.
 */
export declare function deserializeKeyConfig(data: Uint8Array): OhttpKeyConfig[];
/**
 * Serialize a single key configuration to `application/ohttp-keys` format.
 * The result is a length-prefixed KeyConfig entry.
 */
export declare function serializeKeyConfig(config: OhttpKeyConfig): Uint8Array;
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