In cryptography, a Secure Channel Protocol (SCP) is a way of transferring data that is resistant to overhearing and tampering. A confidential channel is a way of transferring data that is resistant to overhearing (i.e., reading the content), but not necessarily resistant to tampering. An authentic channel is a way of transferring data that is resistant to tampering but not necessarily resistant to overhearing.

Commonly used protocols are SCP01, SCP02, SCP03, SCP80 and SCP81. SCP01, SCP02 and SCP03 are meant for data security. SCP80 and SCP81 are for transport security.

 

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