TLS_SM4_CCM_SM3
Breakdown of the TLS_SM4_CCM_SM3 cipher suite
Cyber Security Rating for TLS_SM4_CCM_SM3 - C
C
Cipher
Algorithms with low adoption do not receive sufficient scrutiny and should generally be avoided, as their vulnerabilities may remain undiscovered. SM4, for instance, is not recommended by RFC 8998 due to concerns over its security and limited peer review. It is better to use well-established algorithms with extensive analysis and widespread acceptance.
C
Hash
Algorithms with low adoption do not receive sufficient scrutiny and should generally be avoided, as their security vulnerabilities might remain undetected. SM3, for example, is not recommended by RFC 8998 due to concerns about its robustness and limited peer review. It is advisable to use well-established algorithms that have undergone extensive analysis and testing.
A
Cipher Mode
CCM (Counter with CBC-MAC) is a mode of operation for cryptographic block ciphers, providing both encryption and authentication. Used in cipher suites, CCM ensures data confidentiality and integrity by combining the Counter (CTR) mode for encryption with the Cipher Block Chaining Message Authentication Code (CBC-MAC) for authentication. This dual functionality makes CCM highly efficient and secure, suitable for resource-constrained environments like IoT and wireless networks. By integrating CCM, cipher suites offer robust protection against unauthorized access and tampering, enhancing overall security in secure communications.
Web infrastructure owners must ensure they only allow secure cipher suites to protect against potential security threats. Cipher suites determine the encryption algorithms and key exchange mechanisms used in HTTPS connections. Insecure cipher suites can leave data vulnerable to interception, decryption, and manipulation by malicious actors. By restricting to secure cipher suites, owners mitigate risks such as data breaches, unauthorized access, and compromise of sensitive information. This proactive measure helps maintain trust with users, ensures compliance with security standards, and safeguards the integrity and confidentiality of data transmitted over the web.
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