Add support for update pubkey and rsa-pss signatures

Create new configuration keywords:
   RsaKeyModulusFile: pubkey modulus
   RsaPssSigBlFile:   bootloader rsa pss signature
   RsaPssSigBctFile:  bct rsa pss signature

Sample Configuration file update_bl_sig.cfg
   RsaKeyModulusFile = pubkey.mod;
   RsaPssSigBlFile = bl.sig;

where pubkey.mod and bl.sig are files that contain the public key
modulus and bootloader's rsa-pss signature respectively.

public key modulus and signature are created through utilities
outside cbootimage.

Command line example:
 $ cbootimage -s tegra210 -u update_bl_sig.cfg image.bin image.bin-bl-signed

Above three new keywords added in this CL are only implemented to support
for T210.

Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/set.h b/src/set.h
index 8b9a69b..b38d4ce 100644
--- a/src/set.h
+++ b/src/set.h
@@ -42,6 +42,11 @@ set_mts_image(build_image_context	*context,
 		u_int32_t	entry_point);
 
 int
+set_rsa_param(build_image_context	*context,
+		parse_token	token,
+		char	*filename);
+
+int
 context_set_value(build_image_context	*context,
 		parse_token	token,
 		void		*value);