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TLCP中ECDHE_SM4_GCM_SM3/ECDHE_SM4_CBC_SM3,使用SM2 key exchange生成的到底是预主密钥还是主密钥? #66

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@emmansun

TLCP中ECDHE_SM4_GCM_SM3/ECDHE_SM4_CBC_SM3,使用SM2 key exchange生成的到底是预主密钥还是主密钥?
如果是预主密钥,长度是多少?这个在GB/T 38636-2020也没有看到详细信息。

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