@openforge-sh/liboqs - v0.14.3
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    Class SlhDsaShake128s

    SLH-DSA-SHAKE-128s signature scheme wrapper class

    SlhDsaShake128s

    High-level wrapper for SLH-DSA-SHAKE-128s signature operations. Provides secure key generation, signing, and verification with automatic memory management.

    Memory Management:

    • All WASM memory is managed internally
    • Call destroy() when finished to free resources
    • Do not use instance after calling destroy()
    const sig = await createSlhDsaShake128s();

    // Generate keypair
    const { publicKey, secretKey } = sig.generateKeyPair();

    // Sign message
    const message = new TextEncoder().encode('Hello, world!');
    const signature = sig.sign(message, secretKey);

    // Verify signature
    const isValid = sig.verify(message, signature, publicKey);

    // Cleanup
    sig.destroy();
    Index

    Accessors

    info

    Methods

    generateKeyPair sign verify destroy

    Accessors

    • get info(): {
          name: "SLH-DSA-SHAKE-128s";
          identifier: "SLH_DSA_PURE_SHAKE_128S";
          type: "sig";
          securityLevel: 1;
          standardized: true;
          description: string;
          keySize: { publicKey: 32; secretKey: 64; signature: 7856 };
      }

      Get algorithm information

      Returns {
          name: "SLH-DSA-SHAKE-128s";
          identifier: "SLH_DSA_PURE_SHAKE_128S";
          type: "sig";
          securityLevel: 1;
          standardized: true;
          description: string;
          keySize: { publicKey: 32; secretKey: 64; signature: 7856 };
      }

      Algorithm metadata

      console.log(sig.info.name);           // 'SLH-DSA-SHAKE-128s'
      console.log(sig.info.securityLevel);  // 1
      console.log(sig.info.keySize);        // { publicKey: 32, secretKey: 64, signature: 7856 }

    Methods

    • Generate a new SLH-DSA-SHAKE-128s keypair

      Returns { publicKey: Uint8Array; secretKey: Uint8Array }

      If instance is destroyed

      If key generation fails

      const { publicKey, secretKey } = sig.generateKeyPair();
      console.log('Public key:', publicKey.length);  // 32 bytes
      console.log('Secret key:', secretKey.length);  // 64 bytes

    • Sign a message using a secret key

      Parameters

      • message: Uint8Array<ArrayBufferLike>

        Message to sign (any length)

      • secretKey: Uint8Array<ArrayBufferLike>

        Secret key (64 bytes)

      Returns Uint8Array<ArrayBufferLike>

      Signature (7856 bytes)

      If instance is destroyed

      If secret key size is invalid

      If signing fails

      const message = new TextEncoder().encode('Hello, world!');
      const signature = sig.sign(message, secretKey);
      console.log('Signature:', signature.length);  // 7856 bytes

    • Verify a signature using a public key

      Parameters

      • message: Uint8Array<ArrayBufferLike>

        Original message (any length)

      • signature: Uint8Array<ArrayBufferLike>

        Signature to verify

      • publicKey: Uint8Array<ArrayBufferLike>

        Public key (32 bytes)

      Returns boolean

      True if signature is valid, false otherwise

      If instance is destroyed

      If public key or signature size is invalid

      const isValid = sig.verify(message, signature, publicKey);
      console.log('Signature valid:', isValid);

    • Free WASM resources

      Returns void

      Releases all WASM memory associated with this instance. The instance cannot be used after calling destroy().

      sig.destroy();
      // sig is now unusable

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