DrP3pp3r – WindowsTechs.com

Bluetooth LE with Secure Connection and static passkey: This is a bad idea, right?

Posted on February 6, 2020 by DrP3pp3r

I am currently looking into how to protect a BLE connection from active attacks (man-in-the-middle) if one of the devices neither has a display nor a keyboard.

Lemberg Solutions suggests this:

Alternatively, the passcode can be shipp… Continue reading Bluetooth LE with Secure Connection and static passkey: This is a bad idea, right?→

TLS-Handshake, Server Key Exchange, Diffie-Hellman: Where does key length come from?

Posted on April 29, 2019 by DrP3pp3r

Where does the key length come from?

In this example it is 2048 bits long:

Secure Sockets Layer
TLSv1.2 Record Layer: Handshake Protocol: Server Key Exchange
Content Type: Handshake (22)
Version: TLS 1…. Continue reading TLS-Handshake, Server Key Exchange, Diffie-Hellman: Where does key length come from?→