From ecd6d5c9cba5fc6053ba21e3f8a4c536f65ea27a Mon Sep 17 00:00:00 2001 From: Gilad Ben-Yossef Date: Mon, 5 Nov 2018 12:05:01 +0000 Subject: [PATCH] crypto: cts - document NIST standard status 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 Suggested-by: Stephan Mueller Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu --- crypto/Kconfig | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/crypto/Kconfig b/crypto/Kconfig index 752005201013..06eb23cade43 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 -- 2.30.2