Insecure Cipher Suite

IANA name:

TLS_SM4_CCM_SM3

Hex code:

0x00, 0xC7

TLS Version(s):

TLS1.3

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Protocol:

Transport Layer Security (TLS)

Key Exchange:

-

Authentication:

-

Encryption:

AEAD ShangMi 4 Encryption Algorithm in Counter with CBC-MAC mode (SM4 CCM)

ShangMi 4 Encryption:

The ShangMi 4 (SM4) encryption algorithm is a chinese algorithm, which will be or is already mandatory for TLS encrypted connections in China. The security of this algorithm is not proven and its use is not recommended by the IETF. (see ietf.org)

Hash:

ShangMi 3 Hashing Algorithm (SM3)

ShangMi 3 Hash:

The ShangMi 3 (SM3) hashing algorithm is a chinese algorithm, which will be or is already mandatory for TLS encrypted connections in China. The security of this algorithm is not proven and its use is not recommended by the IETF. (see ietf.org)

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Included in RFC:

• RFC 8998

Machine-readable:

application/json