* [PATCH] crypto: cts: document NIST standard status
@ 2018-11-05 12:05 Gilad Ben-Yossef
2018-11-05 12:15 ` Ard Biesheuvel
2018-11-16 6:16 ` Herbert Xu
0 siblings, 2 replies; 3+ messages in thread
From: Gilad Ben-Yossef @ 2018-11-05 12:05 UTC (permalink / raw)
To: Herbert Xu, David S. Miller
Cc: Ofir Drang, Yael Chemla, linux-crypto, linux-kernel
cts(cbc(aes)) as used in the kernel has been added to NIST
standard as CBC-CS3. Document it as such.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Suggested-by: Stephan Mueller <smueller@chronox.de>
---
crypto/Kconfig | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/crypto/Kconfig b/crypto/Kconfig
index f7a235d..9176023 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -430,11 +430,14 @@ config CRYPTO_CTS
help
CTS: Cipher Text Stealing
This is the Cipher Text Stealing mode as described by
- Section 8 of rfc2040 and referenced by rfc3962.
- (rfc3962 includes errata information in its Appendix A)
+ Section 8 of rfc2040 and referenced by rfc3962
+ (rfc3962 includes errata information in its Appendix A) or
+ CBC-CS3 as defined by NIST in Sp800-38A addendum from Oct 2010.
This mode is required for Kerberos gss mechanism support
for AES encryption.
+ See: https://csrc.nist.gov/publications/detail/sp/800-38a/addendum/final
+
config CRYPTO_ECB
tristate "ECB support"
select CRYPTO_BLKCIPHER
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] crypto: cts: document NIST standard status
2018-11-05 12:05 [PATCH] crypto: cts: document NIST standard status Gilad Ben-Yossef
@ 2018-11-05 12:15 ` Ard Biesheuvel
2018-11-16 6:16 ` Herbert Xu
1 sibling, 0 replies; 3+ messages in thread
From: Ard Biesheuvel @ 2018-11-05 12:15 UTC (permalink / raw)
To: Gilad Ben-Yossef
Cc: Herbert Xu, David S. Miller, Ofir Drang, Yael Chemla,
open list:HARDWARE RANDOM NUMBER GENERATOR CORE,
Linux Kernel Mailing List
On 5 November 2018 at 13:05, Gilad Ben-Yossef <gilad@benyossef.com> wrote:
> cts(cbc(aes)) as used in the kernel has been added to NIST
> standard as CBC-CS3. Document it as such.
>
> Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
> Suggested-by: Stephan Mueller <smueller@chronox.de>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> ---
> crypto/Kconfig | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/crypto/Kconfig b/crypto/Kconfig
> index f7a235d..9176023 100644
> --- a/crypto/Kconfig
> +++ b/crypto/Kconfig
> @@ -430,11 +430,14 @@ config CRYPTO_CTS
> help
> CTS: Cipher Text Stealing
> This is the Cipher Text Stealing mode as described by
> - Section 8 of rfc2040 and referenced by rfc3962.
> - (rfc3962 includes errata information in its Appendix A)
> + Section 8 of rfc2040 and referenced by rfc3962
> + (rfc3962 includes errata information in its Appendix A) or
> + CBC-CS3 as defined by NIST in Sp800-38A addendum from Oct 2010.
> This mode is required for Kerberos gss mechanism support
> for AES encryption.
>
> + See: https://csrc.nist.gov/publications/detail/sp/800-38a/addendum/final
> +
> config CRYPTO_ECB
> tristate "ECB support"
> select CRYPTO_BLKCIPHER
> --
> 2.7.4
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] crypto: cts: document NIST standard status
2018-11-05 12:05 [PATCH] crypto: cts: document NIST standard status Gilad Ben-Yossef
2018-11-05 12:15 ` Ard Biesheuvel
@ 2018-11-16 6:16 ` Herbert Xu
1 sibling, 0 replies; 3+ messages in thread
From: Herbert Xu @ 2018-11-16 6:16 UTC (permalink / raw)
To: Gilad Ben-Yossef
Cc: David S. Miller, Ofir Drang, Yael Chemla, linux-crypto, linux-kernel
On Mon, Nov 05, 2018 at 12:05:01PM +0000, Gilad Ben-Yossef wrote:
> cts(cbc(aes)) as used in the kernel has been added to NIST
> standard as CBC-CS3. Document it as such.
>
> Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
> Suggested-by: Stephan Mueller <smueller@chronox.de>
> ---
> crypto/Kconfig | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-11-05 12:15 ` Ard Biesheuvel
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