What Is Secure Real-Time Protocol (Secure RTP or SRTP)?

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Your audio and video calls are shielded by Secure Real-Time Protocol, or SRTP, from being eavesdropped on by cyber criminals. Like Spider-Man for Zoom meetings or Batman for Skype conversations! Technically speaking, SRTP is a protocol that offers secure audio and video calls. It encrypts the transferred data, preventing anyone who intercepts it from deciphering it without the encryption key. Let's take the technical terminology away and consider it in terms of everyday life. Have you ever played the childhood version of the telephone, where you whisper a message to a friend, who then relays it to the following individual, and so on? The communication is typically drastically altered by the time it reaches the final recipient. Communication could be more secure; anyone can hear and change it in transit. By adding a layer of encryption to your audio and video calls, SRTP solves this issue. You could compare it to locking your message inside a safe only you and the other individual can open. This means that nothing you say or do during the conversation can be seen or heard by anyone else, and it also prevents any subsequent changes from being made. Let's now get a little more specific. AES is used for message encryption, and SHA-1 is used for message verification in SRTP. This guarantees the security and authenticity of the data being transferred. How does SRTP function in practice? Your device and the other person's device agree on a set of encryption keys that will be used to encrypt and decrypt the data being transmitted when you make an audio or video call. You shouldn't be concerned because this occurs in secret. SRTP begins encrypting the data being transferred as soon as the encryption keys have been decided upon. As a result, even if the data is intercepted, it cannot be decoded without the encryption secret. Additionally, SRTP will recognize any attempts to tamper with the data along the way and reject the communication. In conclusion, Secure Real-Time Protocol, or SRTP, acts as a superhero to prevent eavesdropping and tampering on your audio and video calls. It uses AES and SHA-1 encryption techniques to encrypt the transmitted data, ensuring that it is safe and authentic. Your voice and video calls are like having a bodyguard; you can speak and exchange information knowing it is safe and secure.

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