diff options
| author | Ruchika Gupta <ruchika.gupta@freescale.com> | 2015-01-23 16:01:54 +0530 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-01-29 17:09:58 -0700 |
| commit | c937ff6dc2ee3fcd8f97087427fe8ba5086852c4 (patch) | |
| tree | 89b3ea84175cb9b3ed225aed222cd3ac3a15217f /lib/rsa | |
| parent | 11a9662ba9ed40829fd10acb3a0c75d148159921 (diff) | |
| download | u-boot-c937ff6dc2ee3fcd8f97087427fe8ba5086852c4.tar.gz | |
lib/rsa: Modify rsa to use DM driver
Modify rsa_verify to use the rsa driver of DM library .The tools
will continue to use the same RSA sw library.
CONFIG_RSA is now dependent on CONFIG_DM. All configurations which
enable FIT based signatures have been modified to enable CONFIG_DM
by default.
Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com>
CC: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'lib/rsa')
| -rw-r--r-- | lib/rsa/rsa-verify.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/rsa/rsa-verify.c b/lib/rsa/rsa-verify.c index f8bc086fd7..da45daffd3 100644 --- a/lib/rsa/rsa-verify.c +++ b/lib/rsa/rsa-verify.c @@ -12,6 +12,7 @@ #include <asm/errno.h> #include <asm/types.h> #include <asm/unaligned.h> +#include <dm.h> #else #include "fdt_host.h" #include "mkimage.h" @@ -43,6 +44,9 @@ static int rsa_verify_key(struct key_prop *prop, const uint8_t *sig, const uint8_t *padding; int pad_len; int ret; +#if !defined(USE_HOSTCC) + struct udevice *mod_exp_dev; +#endif if (!prop || !sig || !hash || !algo) return -EIO; @@ -63,7 +67,17 @@ static int rsa_verify_key(struct key_prop *prop, const uint8_t *sig, uint8_t buf[sig_len]; +#if !defined(USE_HOSTCC) + ret = uclass_get_device(UCLASS_MOD_EXP, 0, &mod_exp_dev); + if (ret) { + printf("RSA: Can't find Modular Exp implementation\n"); + return -EINVAL; + } + + ret = rsa_mod_exp(mod_exp_dev, sig, sig_len, prop, buf); +#else ret = rsa_mod_exp_sw(sig, sig_len, prop, buf); +#endif if (ret) { debug("Error in Modular exponentation\n"); return ret; |