Dactyloidae iOS initial commit

mobile/ios/ThirdParty/ecec/tool/keygen.c

@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <ece.h>
+
+static const char ece_keygen_hex_alphabet[] = "0123456789abcdef";
+
+char*
+ece_keygen_hex_encode(const uint8_t* binary, size_t binaryLen) {
+  if (binaryLen > SIZE_MAX / 2 - 1) {
+    return NULL;
+  }
+  char* encoded = malloc(binaryLen * 2 + 1);
+  if (!encoded) {
+    return NULL;
+  }
+  char* hex = encoded;
+  for (size_t i = 0; i < binaryLen; i++) {
+    *hex++ = ece_keygen_hex_alphabet[(binary[i] >> 4) & 0xf];
+    *hex++ = ece_keygen_hex_alphabet[binary[i] & 0xf];
+  }
+  *hex = '\0';
+  return encoded;
+}
+
+int
+main(int argc, char** argv) {
+  uint8_t rawRecvPrivKey[ECE_WEBPUSH_PRIVATE_KEY_LENGTH];
+  uint8_t rawRecvPubKey[ECE_WEBPUSH_PUBLIC_KEY_LENGTH];
+  uint8_t authSecret[ECE_WEBPUSH_AUTH_SECRET_LENGTH];
+
+  int err = ece_webpush_generate_keys(
+    rawRecvPrivKey, ECE_WEBPUSH_PRIVATE_KEY_LENGTH, rawRecvPubKey,
+    ECE_WEBPUSH_PUBLIC_KEY_LENGTH, authSecret, ECE_WEBPUSH_AUTH_SECRET_LENGTH);
+  if (err) {
+    fprintf(stderr, "Error: Failed to generate subscription keys: %d\n", err);
+    return 1;
+  }
+
+  char* hexRecvPrivKey =
+    ece_keygen_hex_encode(rawRecvPrivKey, ECE_WEBPUSH_PRIVATE_KEY_LENGTH);
+  if (hexRecvPrivKey) {
+    printf("Private key: %s\n", hexRecvPrivKey);
+  }
+
+  char* hexRecvPubKey =
+    ece_keygen_hex_encode(rawRecvPubKey, ECE_WEBPUSH_PUBLIC_KEY_LENGTH);
+  if (hexRecvPubKey) {
+    printf("Public key: %s\n", hexRecvPubKey);
+  }
+
+  char* hexAuthSecret =
+    ece_keygen_hex_encode(authSecret, ECE_WEBPUSH_AUTH_SECRET_LENGTH);
+  if (hexAuthSecret) {
+    printf("Authentication secret: %s\n", hexAuthSecret);
+  }
+
+  free(hexRecvPrivKey);
+  free(hexRecvPubKey);
+  free(hexAuthSecret);
+
+  return 0;
+}