SquareRootOfTwentyThree

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736 reputation
212
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location Europe
age
visits member for 2 years, 10 months
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Jul
2
awarded  Curious
Jun
6
awarded  Popular Question
Apr
26
accepted Diffusion in Shamir's secret sharing scheme
Apr
20
revised Diffusion in Shamir's secret sharing scheme
deleted 1 character in body
Apr
20
comment Diffusion in Shamir's secret sharing scheme
Thanks, I didn't know about CSS. Yet, I think you response does not explain the behaviour of ssss' code. In that case, the secret is still smaller than each share. In addition to that, the transformation I see being applied is not really an encryption. It is just a fixed permutation.
Apr
20
comment Diffusion in Shamir's secret sharing scheme
I replaced p with q to avoid confusion.
Apr
20
revised Diffusion in Shamir's secret sharing scheme
added 100 characters in body
Apr
20
asked Diffusion in Shamir's secret sharing scheme
Apr
17
comment AES-SIV security
Probably not. One example is McOE though I don't know its patent status and it may not have been reviewed long enough yet.
Nov
5
awarded  Nice Question
Sep
28
awarded  Yearling
Sep
2
revised How to renew keys for a statically-encrypted database
added 184 characters in body
Sep
1
comment How to renew keys for a statically-encrypted database
@brent-longborough If you are sure 100% sure your nonce does not repeat (it does not necessarily needs to be random) GCM is perfectly fine and as good as SIV, with the benefit that you need just 1 AES key. GCM is quite difficult to implement in software though. If your security module does not support it already, maybe you could consider CCM and EAX: they are much simpler (EAX especially) but as secure as GCM.
Sep
1
revised How to renew keys for a statically-encrypted database
added 89 characters in body
Sep
1
answered How to renew keys for a statically-encrypted database
Aug
31
awarded  Scholar
Aug
31
accepted ASN.1 OID of bcrypt
Aug
30
asked ASN.1 OID of bcrypt
Aug
30
answered PKCS#11: Can C_GetMechanismInfo() return CKR_OK on a disabled mechanism?
Jul
14
revised AES-SIV security
Added more tags relevant to the question