Tagged Questions
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1answer
100 views
Security of authenticated encryption modes gcm & ccm
I have two questions for Clarification for AE mode choice criteria
GCM : it appears to be actually the most popular and widely used AE mode of operation. however it is also well-known to be highly ...
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1answer
86 views
Using “Additional Authenticated Data” as a secondary key
In implementing a cipher in GCM or CCM mode, you are provided the option to add "Additional Authenticated Data" (AAD). This AAD is required for decrypting the cipher text, and seems to be used when ...
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1answer
117 views
How to communicate authentication tag for GCM?
I have written some code to do AES in GCM. I currently manually append the tag property to the ciphertext, is this the proper way to communicate the authentication tag?
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1answer
333 views
AES GCM implementation in c#
I am implementing an AES cipher in GCM mode in c# and have a few questions. My code is based on the code found here for reference. I'll copy in the relevant portions.
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