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AES_GCM_AUTH_TAG_LENGTH = 12; is not aligned with JC TCK expectation of 16 bytes #14

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maxting83 opened this issue Dec 2, 2020 · 0 comments
Open

AES_GCM_AUTH_TAG_LENGTH = 12; is not aligned with JC TCK expectation of 16 bytes #14

maxting83 opened this issue Dec 2, 2020 · 0 comments

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@maxting83
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maxting83 commented Dec 2, 2020 •
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https://github.com/divegeek/JavaCardKeymaster/blob/master/Applet/src/com/android/javacard/keymaster/KMKeymasterApplet.java

Is this AES_GCM_AUTH_TAG_LENGTH = 12 expected from the AES-GCM from the JavaCard eSE?

Also, in the https://developer.android.com/training/articles/keystore, it's mentioned only for AES/GCM/NoPadding "Only 12-byte long IVs supported." but not Tag length.
mdwivedi pushed a commit that referenced this issue Jan 14, 2022
@subrahmanyaman
Merge pull request #14 from divegeek/Javacard_KeyMint_100_master
8f09b88 
Javacard key mint 100 master
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