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4d58a47f2c
1) Delete WordPress specific Classes and methods, its tests and examples 2) THere was a typo in one of the folder names Sorage which is now corectly named back to Storage. 3) Normalise the Namespace from Fairdidmanager to Fair\DID 4) Run Codequality checks via Mago
87 lines
3.5 KiB
PHP
87 lines
3.5 KiB
PHP
<?php
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/**
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* Example 1: Generating Cryptographic Keys
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*
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* This example demonstrates how to generate different types of key pairs
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* used for DID operations.
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*
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* @package FAIR\DID\Examples
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*/
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declare(strict_types=1);
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use FAIR\DID\Crypto\DidCodec;
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use FAIR\DID\Keys\EcKey;
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use FAIR\DID\Keys\KeyFactory;
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require_once __DIR__ . '/../vendor/autoload.php';
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echo "=== FAIR CLI: Key Generation Examples ===\n\n";
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// -----------------------------------------------------------------------------
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// 1. Generate a secp256k1 key pair (used for rotation keys)
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// -----------------------------------------------------------------------------
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echo "1. Generating secp256k1 Key Pair (Rotation Key)\n";
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echo str_repeat( '-', 50 ) . "\n";
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$rotation_key = DidCodec::generate_key_pair();
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echo 'Public Key (multibase): ' . $rotation_key->encode_public() . "\n";
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echo 'Private Key (multibase): ' . substr( $rotation_key->encode_private(), 0, 20 ) . "...\n";
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echo 'Curve: ' . $rotation_key->get_curve() . "\n";
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echo 'Is Private Key: ' . ( $rotation_key->is_private() ? 'Yes' : 'No' ) . "\n\n";
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// -----------------------------------------------------------------------------
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// 2. Generate an Ed25519 key pair (used for verification/signing)
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// -----------------------------------------------------------------------------
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echo "2. Generating Ed25519 Key Pair (Verification Key)\n";
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echo str_repeat( '-', 50 ) . "\n";
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$verification_key = DidCodec::generate_ed25519_key_pair();
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echo 'Public Key (multibase): ' . $verification_key->encode_public() . "\n";
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echo 'Private Key (multibase): ' . substr( $verification_key->encode_private(), 0, 20 ) . "...\n";
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echo 'Curve: ' . $verification_key->get_curve() . "\n\n";
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// -----------------------------------------------------------------------------
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// 3. Reconstruct keys from encoded strings
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// -----------------------------------------------------------------------------
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echo "3. Reconstructing Keys from Encoded Strings\n";
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echo str_repeat( '-', 50 ) . "\n";
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$encoded_private = $rotation_key->encode_private();
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$reconstructed = EcKey::from_private( $encoded_private );
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echo 'Original Public: ' . $rotation_key->encode_public() . "\n";
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echo 'Reconstructed Public: ' . $reconstructed->encode_public() . "\n";
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echo 'Keys Match: ' . ( $rotation_key->encode_public() === $reconstructed->encode_public() ? 'Yes' : 'No' ) . "\n\n";
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// -----------------------------------------------------------------------------
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// 4. Sign data with keys
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// -----------------------------------------------------------------------------
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echo "4. Signing Data\n";
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echo str_repeat( '-', 50 ) . "\n";
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$message = 'Hello, FAIR Protocol!';
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$message_hash = hash( 'sha256', $message, false );
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$ec_signature = $rotation_key->sign( $message_hash );
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$eddsa_signature = $verification_key->sign( $message_hash );
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echo "Message: {$message}\n";
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echo 'EC Signature (hex): ' . substr( $ec_signature, 0, 40 ) . "...\n";
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echo 'EdDSA Signature (hex): ' . substr( $eddsa_signature, 0, 40 ) . "...\n\n";
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// -----------------------------------------------------------------------------
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// 5. Convert to did:key format
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// -----------------------------------------------------------------------------
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echo "5. Converting to did:key Format\n";
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echo str_repeat( '-', 50 ) . "\n";
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$did_key_rotation = KeyFactory::encode_did_key( $rotation_key );
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$did_key_verification = KeyFactory::encode_did_key( $verification_key );
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echo 'Rotation Key as did:key: ' . $did_key_rotation . "\n";
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echo 'Verification Key as did:key: ' . $did_key_verification . "\n\n";
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echo "=== Example Complete ===\n";
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