crypto: omap-aes - Add support for GCM mode

OMAP AES hw supports AES-GCM mode. This patch adds support for GCM and RFC4106 GCM mode in omap-aes driver. The GCM implementation is mostly written into its own source file, which gets built into the same driver binary as the existing AES support. Signed-off-by: Lokesh Vutla <[email protected]> [[email protected]: forward port to latest upstream kernel, conversion to use omap-crypto lib and some additional fixes] Signed-off-by: Tero Kristo <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
ejoerns · Jun 10, 2017 · ad18cc9 · ad18cc9
1 parent d695bfd
commit ad18cc9
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Showing 5 changed files with 612 additions and 13 deletions.
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
@@ -344,6 +344,7 @@ config CRYPTO_DEV_OMAP_AES
 	select CRYPTO_CBC
 	select CRYPTO_ECB
 	select CRYPTO_CTR
+	select CRYPTO_AEAD
 	help
 	  OMAP processors have AES module accelerator. Select this if you
 	  want to use the OMAP module for AES algorithms.

diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile
@@ -21,7 +21,8 @@ obj-$(CONFIG_CRYPTO_DEV_NIAGARA2) += n2_crypto.o
 n2_crypto-y := n2_core.o n2_asm.o
 obj-$(CONFIG_CRYPTO_DEV_NX) += nx/
 obj-$(CONFIG_CRYPTO_DEV_OMAP) += omap-crypto.o
-obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes.o
+obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes-driver.o
+omap-aes-driver-objs := omap-aes.o omap-aes-gcm.o
 obj-$(CONFIG_CRYPTO_DEV_OMAP_DES) += omap-des.o
 obj-$(CONFIG_CRYPTO_DEV_OMAP_SHAM) += omap-sham.o
 obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) += padlock-aes.o