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A working AES experiment!

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This commit is contained in:
Gregor Haas
2020-01-05 14:01:07 -05:00
parent dcfb71bbb6
commit 431b51bb4e
7 changed files with 122 additions and 68 deletions
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28
c8_remote/src/command.c
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@@ -46,16 +46,24 @@ struct dev_cmd_resp *command(struct pwned_device *dev,
checkm8_debug_indent("command(dev = %p, args = %p, arg_len = %i, response_len = %i)\n",
dev, args, arg_len, response_len);
int close, ret;
struct dev_cmd_resp *cmd_resp = calloc(1, sizeof(struct dev_cmd_resp));
unsigned char resp_buf[response_len];
if(!is_device_session_open(dev))
if(is_device_session_open(dev)) close = 0;
else
{
cmd_resp->ret = CHECKM8_FAIL_NODEV;
return cmd_resp;
ret = open_device_session(dev);
close = 1;
if(IS_CHECKM8_FAIL(ret))
{
checkm8_debug_indent("\tfailed to open device session\n");
cmd_resp->ret = CHECKM8_FAIL_NODEV;
return cmd_resp;
}
}
int ret;
ret = dfu_send_data(dev, nullbuf, 16);
if(IS_CHECKM8_FAIL(ret))
{
@@ -128,14 +136,16 @@ struct dev_cmd_resp *command(struct pwned_device *dev,
cmd_resp->ret = CHECKM8_SUCCESS;
memcpy(&cmd_resp->magic, resp_buf, 8);
if(response_len - 8 > 0)
if(response_len - 16 > 0)
{
checkm8_debug_indent("\tcopying %i bytes of output to response data section\n", response_len - 8);
cmd_resp->data = calloc(1, response_len - 8);
memcpy(cmd_resp->data, &resp_buf[8], response_len - 8);
checkm8_debug_indent("\tcopying %i bytes of output to response data section\n", response_len - 16);
cmd_resp->data = calloc(1, response_len - 16);
memcpy(cmd_resp->data, &resp_buf[16], response_len - 16);
}
cmd_resp->len = response_len - 8;
cmd_resp->len = response_len - 16;
if(close) close_device_session(dev);
return cmd_resp;
}