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authorTudor-Dan Ambarus <tudor.ambarus@microchip.com>2017-05-30 17:52:48 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2017-06-10 12:04:35 +0800
commit6755fd269d5c100b0eca420db501ae58435efd6e (patch)
tree647d5f929f4ebb6a50eae63afc645cae32fa9f4a /crypto/Kconfig
parentf2663872f073c874495b793721a47cc7f30eaec7 (diff)
downloadop-kernel-dev-6755fd269d5c100b0eca420db501ae58435efd6e.zip
op-kernel-dev-6755fd269d5c100b0eca420db501ae58435efd6e.tar.gz
crypto: ecdh - add privkey generation support
Add support for generating ecc private keys. Generation of ecc private keys is helpful in a user-space to kernel ecdh offload because the keys are not revealed to user-space. Private key generation is also helpful to implement forward secrecy. If the user provides a NULL ecc private key, the kernel will generate it and further use it for ecdh. Move ecdh's object files below drbg's. drbg must be present in the kernel at the time of calling. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Reviewed-by: Stephan Müller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/Kconfig')
-rw-r--r--crypto/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig
index aac4bc9..caa770e 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -130,6 +130,7 @@ config CRYPTO_DH
config CRYPTO_ECDH
tristate "ECDH algorithm"
select CRYTPO_KPP
+ select CRYPTO_RNG_DEFAULT
help
Generic implementation of the ECDH algorithm
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