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arm64: zynqmp: Add support for encryption and decryption on data blob

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This patch adds support for encryption and decryption on a given data
blob using different key sources such as userkey(KUP), device key and
PUF key. Inorder to support this a new zynqmp command(zynqmp aes) has
been introduced.

Command:
zynqmp aes srcaddr ivaddr len aesop keysrc dstaddr [keyaddr]\n"
	Encrypts or decrypts blob of data at src address and puts it\n"
	back to dstaddr using key and iv at keyaddr and ivaddr\n"
	respectively. keysrc values specifies from which source key\n"
	has to be used, it can be User/Device/PUF key. A value of 0\n"
	for KUP(user key),1 for DeviceKey and 2 for PUF key. The\n"
	aesop value would specify the operationwhich can be 0 for\n"
	decrypt and 1 for encrypt(1) operation\n";

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Siva Durga Prasad Paladugu
2018-09-06 16:34:44 +05:30
committed by Michal Simek
parent 248fabc3ce
commit 8e4e914652
2 changed files with 82 additions and 1 deletions
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1
arch/arm/mach-zynqmp/include/mach/sys_proto.h
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@@ -9,6 +9,7 @@
#define ZYNQMP_CSU_SILICON_VER_MASK 0xF
#define KEY_PTR_LEN 32
#define IV_SIZE 12
#define ZYNQMP_FPGA_BIT_AUTH_DDR 1
#define ZYNQMP_FPGA_BIT_AUTH_OCM 2