pgpfan:mdc
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pgpfan:mdc [2022/07/18 22:56] – Link to new editorial b.walzer | pgpfan:mdc [2022/07/18 22:58] – [The OpenPGP Modification Detection Code is Actually Good] b.walzer | ||
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All that was required to make the MDC was the addition of a single hash. The MDC is actually an example of minimalist and appropriate design. | All that was required to make the MDC was the addition of a single hash. The MDC is actually an example of minimalist and appropriate design. | ||
- | I am not a professional cryptographer, | + | I am not a professional cryptographer, |
The combination of OCFB and MDC is effectively authenticated encryption. It detects changes in messages based on the shared secret of the encryption key. There is a definition of authenticated encryption that makes refusal to release suspect data mandatory, but that is not relevant for the sort of offline applications that OpenPGP is used for. There is only one encrypted message/ | The combination of OCFB and MDC is effectively authenticated encryption. It detects changes in messages based on the shared secret of the encryption key. There is a definition of authenticated encryption that makes refusal to release suspect data mandatory, but that is not relevant for the sort of offline applications that OpenPGP is used for. There is only one encrypted message/ |
pgpfan/mdc.txt · Last modified: 2023/12/11 13:30 by b.walzer