On Monday, September 10, 2018 at 9:52:46 PM UTC-4, Jeffrey Walton wrote:
>
>
> On Monday, September 10, 2018 at 8:33:20 PM UTC-4, Jeffrey Walton wrote:
>>
>>
>> On Monday, September 10, 2018 at 1:57:18 AM UTC-4, mark Gu wrote:
>>>
>>> Hi, I update from 5.6.2。
>>>
>>> I encrypted sometext ,using DefaultEncryptorWithMAC(5.6.2). When I 
>>> decrypt using LegacyDecryptorWithMAC(6.1), a expection throwed: 
>>> DataDecryptorWithMAC: MAC check failed
>>>
>>> It seems DefaultDecryptorWithMAC(5.6.2) is not compatible with 
>>> LegacyDecryptorWithMAC(6.1)。
>>>
>>> I notice that in "default.h"   255~256 line
>>>
>>> typedef 
>>> DataEncryptorWithMAC<LegacyBlockCipher,LegacyHashModule,DefaultMAC,LegacyParametersInfo>
>>>  
>>> LegacyEncryptorWithMAC;
>>> typedef 
>>> DataDecryptorWithMAC<LegacyBlockCipher,LegacyHashModule,DefaultMAC,LegacyParametersInfo>
>>>  
>>> LegacyDecryptorWithMAC;
>>>
>>> They use DefaultMAC, rather than LegacyMAC, it seems like a bug. 
>>>
>>
Cleared at https://github.com/weidai11/cryptopp/commit/590f8573c4ed

Jeff

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