Init

main/encoding.h

@@ -0,0 +1,30 @@
+#ifndef ENCODING_H
+#define ENCODING_H
+
+#include <atca_helpers.h>
+#include <cstring>
+#include <mbedtls/base64.h>
+#include <string>
+
+static bool b64url_encode_buf(const uint8_t *data, size_t data_len,
+                              char *out_buf, size_t out_max_len) {
+  size_t b64_len = out_max_len;
+  ATCA_STATUS status = atcab_base64encode_(data, data_len, out_buf, &b64_len,
+                                           atcab_b64rules_urlsafe());
+
+  return (status == ATCA_SUCCESS && b64_len < out_max_len);
+}
+
+static bool b64url_decode_buf(const char *in_str, uint8_t *out_buf,
+                              size_t expected_len) {
+  if (!in_str || !out_buf)
+    return false;
+
+  size_t out_len = expected_len;
+  ATCA_STATUS status = atcab_base64decode_(in_str, strlen(in_str), out_buf,
+                                           &out_len, atcab_b64rules_urlsafe());
+
+  return (status == ATCA_SUCCESS && out_len == expected_len);
+}
+
+#endif // ENCODING_H