crypto: ecdh - Add ECDH software support

* Implement ECDH under kpp API * Provide ECC software support for curve P-192 and P-256. * Add kpp test for ECDH with data generated by OpenSSL Signed-off-by: Salvatore Benedetto <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
kyagi · Jun 23, 2016 · 3c4b239 · 3c4b239
1 parent 802c7f1
commit 3c4b239
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diff --git a/crypto/Kconfig b/crypto/Kconfig
@@ -118,6 +118,11 @@ config CRYPTO_DH
 	help
 	  Generic implementation of the Diffie-Hellman algorithm.
 
+config CRYPTO_ECDH
+	tristate "ECDH algorithm"
+	select CRYTPO_KPP
+	help
+	  Generic implementation of the ECDH algorithm
 
 config CRYPTO_MANAGER
 	tristate "Cryptographic algorithm manager"

diff --git a/crypto/Makefile b/crypto/Makefile
@@ -35,6 +35,10 @@ obj-$(CONFIG_CRYPTO_KPP2) += kpp.o
 dh_generic-y := dh.o
 dh_generic-y += dh_helper.o
 obj-$(CONFIG_CRYPTO_DH) += dh_generic.o
+ecdh_generic-y := ecc.o
+ecdh_generic-y += ecdh.o
+ecdh_generic-y += ecdh_helper.o
+obj-$(CONFIG_CRYPTO_ECDH) += ecdh_generic.o
 
 $(obj)/rsapubkey-asn1.o: $(obj)/rsapubkey-asn1.c $(obj)/rsapubkey-asn1.h
 $(obj)/rsaprivkey-asn1.o: $(obj)/rsaprivkey-asn1.c $(obj)/rsaprivkey-asn1.h