Introduction to Cryptography
Cryptographic protocols are a set of rules that govern the use of cryptographic techniques in a particular application or scenario. They are used to provide secure communication over an insecure network by establishing a secure channel between two parties. Cryptographic protocols are used in a variety of applications including:
One example of a cryptographic protocol is the Transport Layer Security (TLS) protocol. TLS is used to secure communication over the internet and is used by web browsers to establish a secure connection with web servers. TLS uses a combination of symmetric and asymmetric cryptography to provide confidentiality, integrity, and authenticity.
Another example of a cryptographic protocol is the Secure Shell (SSH) protocol. SSH is used to provide secure remote access to a computer system. SSH uses public key cryptography to authenticate the client and server and to establish a secure channel for communication.
Cryptographic protocols are designed to provide security against a range of attacks including eavesdropping, tampering, and forgery. They are an essential component of modern cryptography and are used to provide secure communication in a variety of applications.
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