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2014 Jan 21
1
3des cipher and DH group size
Hello everybody, An issue was reported in RH bugzilla [1] about the size of the used DH group when combined with the 3des-cbc cipher. OpenSSH uses the actual key length for the size estimation. This is probably fine as far as the cipher has the same number of bits of security as the key length. But this is not true for 3TDEA where the key size is 168 resp 192 but it's security is only 112.