First commit on a late git install
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393
tests/nip44_test.c
Normal file
393
tests/nip44_test.c
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@@ -0,0 +1,393 @@
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/*
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* NIP-44 Encryption/Decryption Test
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*
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* Test suite for NIP-44 versioned encryption functionality
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* Uses known test vectors and cross-implementation compatibility tests
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "../nostr_core/nostr_core.h"
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// Test vectors for NIP-44 with proper key pairs
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typedef struct {
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const char* name;
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const char* sender_private_key_hex;
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const char* recipient_private_key_hex; // FIX: Need proper private key, not public key
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const char* plaintext;
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const char* expected_encrypted; // Optional - for known test vectors
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} nip44_test_vector_t;
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// Known test vectors from nostr-tools nip44.vectors.json
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static nip44_test_vector_t known_test_vectors[] = {
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{
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"Known vector: single char 'a'",
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"0000000000000000000000000000000000000000000000000000000000000001", // sec1
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"0000000000000000000000000000000000000000000000000000000000000002", // sec2
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"a",
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"AgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABee0G5VSK0/9YypIObAtDKfYEAjD35uVkHyB0F4DwrcNaCXlCWZKaArsGrY6M9wnuTMxWfp1RTN9Xga8no+kF5Vsb"
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},
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{
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"Known vector: emoji",
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"0000000000000000000000000000000000000000000000000000000000000002", // sec1
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"0000000000000000000000000000000000000000000000000000000000000001", // sec2
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"🍕🫃",
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"AvAAAAAAAAAAAAAAAAAAAPAAAAAAAAAAAAAAAAAAAAAPSKSK6is9ngkX2+cSq85Th16oRTISAOfhStnixqZziKMDvB0QQzgFZdjLTPicCJaV8nDITO+QfaQ61+KbWQIOO2Yj"
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},
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{
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"Known vector: wide unicode",
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"5c0c523f52a5b6fad39ed2403092df8cebc36318b39383bca6c00808626fab3a", // sec1
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"4b22aa260e4acb7021e32f38a6cdf4b673c6a277755bfce287e370c924dc936d", // sec2
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"表ポあA鷗ŒéＢ逍Üߪąñ丂㐀𠀀",
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"ArY1I2xC2yDwIbuNHN/1ynXdGgzHLqdCrXUPMwELJPc7s7JqlCMJBAIIjfkpHReBPXeoMCyuClwgbT419jUWU1PwaNl4FEQYKCDKVJz+97Mp3K+Q2YGa77B6gpxB/lr1QgoqpDf7wDVrDmOqGoiPjWDqy8KzLueKDcm9BVP8xeTJIxs="
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}
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};
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// Round-trip test vectors with proper key pairs
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static nip44_test_vector_t test_vectors[] = {
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{
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"Basic short message",
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"91ba716fa9e7ea2fcbad360cf4f8e0d312f73984da63d90f524ad61a6a1e7dbe", // Working keys from simple_nip44_test
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"96f6fa197aa07477ab88f6981118466ae3a982faab8ad5db9d5426870c73d220",
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"Hello, NIP-44!",
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NULL
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},
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{
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"Unicode message",
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"1111111111111111111111111111111111111111111111111111111111111111",
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"2222222222222222222222222222222222222222222222222222222222222222",
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"Hello 🌍 World! 🚀",
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NULL
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},
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{
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"Empty message",
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"3333333333333333333333333333333333333333333333333333333333333333",
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"4444444444444444444444444444444444444444444444444444444444444444",
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"",
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NULL
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}
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};
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static int hex_to_bytes(const char* hex, unsigned char* bytes, size_t len) {
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if (strlen(hex) != len * 2) return -1;
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for (size_t i = 0; i < len; i++) {
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if (sscanf(hex + i * 2, "%2hhx", &bytes[i]) != 1) {
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return -1;
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}
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}
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return 0;
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}
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static void bytes_to_hex(const unsigned char* bytes, size_t len, char* hex) {
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for (size_t i = 0; i < len; i++) {
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sprintf(hex + i * 2, "%02x", bytes[i]);
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}
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hex[len * 2] = '\0';
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}
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static int test_nip44_round_trip(const nip44_test_vector_t* tv) {
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printf("Testing: %s\n", tv->name);
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// Parse keys - both private keys
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unsigned char sender_private_key[32];
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unsigned char recipient_private_key[32];
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if (hex_to_bytes(tv->sender_private_key_hex, sender_private_key, 32) != 0) {
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printf(" ❌ Failed to parse sender private key\n");
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return -1;
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}
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if (hex_to_bytes(tv->recipient_private_key_hex, recipient_private_key, 32) != 0) {
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printf(" ❌ Failed to parse recipient private key\n");
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return -1;
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}
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// Generate the public keys from the private keys
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unsigned char sender_public_key[32];
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unsigned char recipient_public_key[32];
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if (nostr_ec_public_key_from_private_key(sender_private_key, sender_public_key) != 0) {
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printf(" ❌ Failed to derive sender public key\n");
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return -1;
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}
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if (nostr_ec_public_key_from_private_key(recipient_private_key, recipient_public_key) != 0) {
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printf(" ❌ Failed to derive recipient public key\n");
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return -1;
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}
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// Test encryption
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char encrypted[8192]; // Large buffer for encrypted data
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int encrypt_result = nostr_nip44_encrypt(
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sender_private_key,
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recipient_public_key,
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tv->plaintext,
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encrypted,
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sizeof(encrypted)
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);
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if (encrypt_result != NOSTR_SUCCESS) {
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printf(" ❌ Encryption failed with error: %d\n", encrypt_result);
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return -1;
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}
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printf(" ✅ Encryption successful\n");
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printf(" 📦 Encrypted length: %zu bytes\n", strlen(encrypted));
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// Test decryption - use recipient private key + sender public key
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char decrypted[8192]; // Large buffer for decrypted data
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int decrypt_result = nostr_nip44_decrypt(
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recipient_private_key,
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sender_public_key,
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encrypted,
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decrypted,
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sizeof(decrypted)
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);
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if (decrypt_result != NOSTR_SUCCESS) {
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printf(" ❌ Decryption failed with error: %d\n", decrypt_result);
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return -1;
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}
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// Verify round-trip
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if (strcmp(tv->plaintext, decrypted) != 0) {
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printf(" ❌ Round-trip failed!\n");
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printf(" 📝 Original: \"%s\"\n", tv->plaintext);
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printf(" 📝 Decrypted: \"%s\"\n", decrypted);
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return -1;
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}
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printf(" ✅ Round-trip successful!\n");
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printf(" 📝 Message: \"%s\"\n", tv->plaintext);
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printf("\n");
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return 0;
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}
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static int test_nip44_error_conditions() {
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printf("Testing NIP-44 error conditions:\n");
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// Use proper valid secp256k1 private keys
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unsigned char valid_sender_key[32];
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unsigned char valid_recipient_key[32];
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unsigned char valid_recipient_pubkey[32];
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hex_to_bytes("0000000000000000000000000000000000000000000000000000000000000001", valid_sender_key, 32);
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hex_to_bytes("0000000000000000000000000000000000000000000000000000000000000002", valid_recipient_key, 32);
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// Generate the recipient's public key
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if (nostr_ec_public_key_from_private_key(valid_recipient_key, valid_recipient_pubkey) != 0) {
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printf(" ❌ Failed to generate recipient public key\n");
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return -1;
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}
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char output[1024];
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// Test NULL parameters
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int result = nostr_nip44_encrypt(NULL, valid_recipient_pubkey, "test", output, sizeof(output));
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if (result != NOSTR_ERROR_INVALID_INPUT) {
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printf(" ❌ Should reject NULL sender key\n");
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return -1;
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}
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result = nostr_nip44_encrypt(valid_sender_key, NULL, "test", output, sizeof(output));
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if (result != NOSTR_ERROR_INVALID_INPUT) {
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printf(" ❌ Should reject NULL recipient key\n");
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return -1;
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}
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result = nostr_nip44_encrypt(valid_sender_key, valid_recipient_pubkey, NULL, output, sizeof(output));
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if (result != NOSTR_ERROR_INVALID_INPUT) {
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printf(" ❌ Should reject NULL plaintext\n");
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return -1;
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}
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result = nostr_nip44_encrypt(valid_sender_key, valid_recipient_pubkey, "test", NULL, sizeof(output));
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if (result != NOSTR_ERROR_INVALID_INPUT) {
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printf(" ❌ Should reject NULL output buffer\n");
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return -1;
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}
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// Test buffer too small
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char small_buffer[10];
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result = nostr_nip44_encrypt(valid_sender_key, valid_recipient_pubkey, "test message", small_buffer, sizeof(small_buffer));
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if (result != NOSTR_ERROR_NIP44_BUFFER_TOO_SMALL) {
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printf(" ❌ Should detect buffer too small, got error: %d\n", result);
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return -1;
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}
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printf(" ✅ All error conditions handled correctly\n\n");
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return 0;
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}
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static int test_nip44_known_vector(const nip44_test_vector_t* tv) {
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printf("Testing known vector: %s\n", tv->name);
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// Parse keys
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unsigned char sender_private_key[32];
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unsigned char recipient_private_key[32];
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if (hex_to_bytes(tv->sender_private_key_hex, sender_private_key, 32) != 0) {
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printf(" ❌ Failed to parse sender private key\n");
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return -1;
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}
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if (hex_to_bytes(tv->recipient_private_key_hex, recipient_private_key, 32) != 0) {
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printf(" ❌ Failed to parse recipient private key\n");
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return -1;
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}
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// Generate the public keys from the private keys
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unsigned char sender_public_key[32];
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if (nostr_ec_public_key_from_private_key(sender_private_key, sender_public_key) != 0) {
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printf(" ❌ Failed to derive sender public key\n");
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return -1;
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}
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// Test decryption of known vector
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char decrypted[8192];
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int decrypt_result = nostr_nip44_decrypt(
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recipient_private_key,
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sender_public_key,
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tv->expected_encrypted,
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decrypted,
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sizeof(decrypted)
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);
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if (decrypt_result != NOSTR_SUCCESS) {
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printf(" ❌ Decryption of known vector failed with error: %d\n", decrypt_result);
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printf(" 📦 Expected payload: %.80s...\n", tv->expected_encrypted);
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return -1;
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}
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// Verify decrypted plaintext matches expected
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if (strcmp(tv->plaintext, decrypted) != 0) {
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printf(" ❌ Decrypted plaintext doesn't match!\n");
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printf(" 📝 Expected: \"%s\"\n", tv->plaintext);
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printf(" 📝 Got: \"%s\"\n", decrypted);
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return -1;
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}
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printf(" ✅ Known vector decryption successful!\n");
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printf(" 📝 Message: \"%s\"\n", tv->plaintext);
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printf("\n");
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return 0;
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}
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static int test_nip44_vs_nip04_comparison() {
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printf("Testing NIP-44 vs NIP-04 comparison:\n");
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const char* test_message = "This is a test message for comparing NIP-04 and NIP-44 encryption methods.";
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unsigned char sender_key[32], recipient_key[32];
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memset(sender_key, 0x11, 32);
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memset(recipient_key, 0x22, 32);
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// Generate proper public keys
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unsigned char sender_pubkey[32], recipient_pubkey[32];
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if (nostr_ec_public_key_from_private_key(sender_key, sender_pubkey) != 0 ||
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nostr_ec_public_key_from_private_key(recipient_key, recipient_pubkey) != 0) {
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printf(" ❌ Failed to generate public keys\n");
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return -1;
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}
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// Test NIP-04 encryption
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char nip04_encrypted[8192];
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int nip04_result = nostr_nip04_encrypt(sender_key, recipient_pubkey,
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test_message, nip04_encrypted, sizeof(nip04_encrypted));
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// Test NIP-44 encryption
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char nip44_encrypted[8192];
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int nip44_result = nostr_nip44_encrypt(sender_key, recipient_pubkey,
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test_message, nip44_encrypted, sizeof(nip44_encrypted));
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if (nip04_result == NOSTR_SUCCESS && nip44_result == NOSTR_SUCCESS) {
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printf(" ✅ Both NIP-04 and NIP-44 encryption successful\n");
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printf(" 📊 NIP-04 output length: %zu bytes\n", strlen(nip04_encrypted));
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printf(" 📊 NIP-44 output length: %zu bytes\n", strlen(nip44_encrypted));
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printf(" 📊 Size difference: %+ld bytes\n",
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(long)strlen(nip44_encrypted) - (long)strlen(nip04_encrypted));
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// Verify they produce different outputs (they use different algorithms)
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if (strcmp(nip04_encrypted, nip44_encrypted) == 0) {
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printf(" ⚠️ Warning: NIP-04 and NIP-44 produced identical output (unexpected)\n");
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} else {
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printf(" ✅ NIP-04 and NIP-44 produce different outputs (expected)\n");
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}
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} else {
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if (nip04_result != NOSTR_SUCCESS) {
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printf(" ❌ NIP-04 encryption failed: %d\n", nip04_result);
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}
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if (nip44_result != NOSTR_SUCCESS) {
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printf(" ❌ NIP-44 encryption failed: %d\n", nip44_result);
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}
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return -1;
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}
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printf("\n");
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return 0;
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}
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int main() {
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printf("🧪 NIP-44 Encryption Test Suite\n");
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printf("================================\n\n");
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// Initialize the library
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if (nostr_init() != NOSTR_SUCCESS) {
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printf("❌ Failed to initialize NOSTR library\n");
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return 1;
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}
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int total_tests = 0;
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int passed_tests = 0;
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// Test all vectors
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size_t num_vectors = sizeof(test_vectors) / sizeof(test_vectors[0]);
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for (size_t i = 0; i < num_vectors; i++) {
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total_tests++;
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if (test_nip44_round_trip(&test_vectors[i]) == 0) {
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passed_tests++;
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}
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}
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// Test known vectors
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size_t num_known_vectors = sizeof(known_test_vectors) / sizeof(known_test_vectors[0]);
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for (size_t i = 0; i < num_known_vectors; i++) {
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total_tests++;
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if (test_nip44_known_vector(&known_test_vectors[i]) == 0) {
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passed_tests++;
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}
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}
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// Test error conditions
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total_tests++;
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if (test_nip44_error_conditions() == 0) {
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passed_tests++;
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}
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// Test comparison with NIP-04
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total_tests++;
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if (test_nip44_vs_nip04_comparison() == 0) {
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passed_tests++;
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}
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// Final results
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printf("🏁 Test Results:\n");
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printf("================\n");
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printf("Tests passed: %d/%d\n", passed_tests, total_tests);
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if (passed_tests == total_tests) {
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printf("✅ All NIP-44 tests PASSED! 🎉\n");
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nostr_cleanup();
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return 0;
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} else {
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printf("❌ Some tests FAILED! 😞\n");
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nostr_cleanup();
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return 1;
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}
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}
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