Added the (possibly modified) Espressif SDK to the project to avoid problems with building. This may not be OK license wise, but who cares

esp_iot_sdk_v1.5.2/tools/make_cert.py

@@ -0,0 +1,42 @@
+import os
+
+
+class Cert(object):
+    def __init__(self, name, buff):
+        self.name = name
+        self.len = len(buff)
+        self.buff = buff
+        pass
+    
+    def __str__(self):
+        out_str = ['\0']*32
+        for i in range(len(self.name)):
+            out_str[i] = self.name[i]
+        out_str = "".join(out_str)
+        out_str += str(chr(self.len & 0xFF))
+        out_str += str(chr((self.len & 0xFF00) >> 8))
+        out_str += self.buff
+        return out_str
+        pass
+
+
+def main():
+    cert_list = []
+    file_list = os.listdir(os.getcwd())
+    cert_file_list = []
+    for _file in file_list:
+        pos = _file.find(".cer")
+        if pos != -1:
+            cert_file_list.append(_file[:pos])
+
+    for cert_file in cert_file_list:
+        with open(cert_file+".cer", 'rb') as f:
+            buff = f.read()
+        cert_list.append(Cert(cert_file, buff))
+    with open('esp_ca_cert.bin', 'wb+') as f:
+        for _cert in cert_list:
+            f.write("%s" % _cert)
+    pass
+if __name__ == '__main__':
+    main()
+