[PATCH v1 1/1] support rsa3072

[Jamin Lin]

This patch support rsa3072.

Signed-off-by: Jamin Lin <jamin_...@aspeedtech.com>
---
 include/u-boot/rsa.h   | 1 +
 lib/rsa/rsa-verify.c   | 6 ++++++
 tools/image-sig-host.c | 7 +++++++
 3 files changed, 14 insertions(+)

diff --git a/include/u-boot/rsa.h b/include/u-boot/rsa.h
index 7556aa5b4b..bb56c2243c 100644
--- a/include/u-boot/rsa.h
+++ b/include/u-boot/rsa.h
@@ -110,6 +110,7 @@ int padding_pss_verify(struct image_sign_info *info,
 #define RSA_DEFAULT_PADDING_NAME               "pkcs-1.5"
 
 #define RSA2048_BYTES  (2048 / 8)
+#define RSA3072_BYTES  (3072 / 8)
 #define RSA4096_BYTES  (4096 / 8)
 
 /* This is the minimum/maximum key size we support, in bits */
diff --git a/lib/rsa/rsa-verify.c b/lib/rsa/rsa-verify.c
index 83f7564101..4fe487d7e5 100644
--- a/lib/rsa/rsa-verify.c
+++ b/lib/rsa/rsa-verify.c
@@ -588,6 +588,12 @@ U_BOOT_CRYPTO_ALGO(rsa2048) = {
        .verify = rsa_verify,
 };
 
+U_BOOT_CRYPTO_ALGO(rsa3072) = {
+       .name = "rsa3072",
+       .key_len = RSA3072_BYTES,
+       .verify = rsa_verify,
+};
+
 U_BOOT_CRYPTO_ALGO(rsa4096) = {
        .name = "rsa4096",
        .key_len = RSA4096_BYTES,
diff --git a/tools/image-sig-host.c b/tools/image-sig-host.c
index 8ed6998dab..d0133aec4c 100644
--- a/tools/image-sig-host.c
+++ b/tools/image-sig-host.c
@@ -55,6 +55,13 @@ struct crypto_algo crypto_algos[] = {
                .add_verify_data = rsa_add_verify_data,
                .verify = rsa_verify,
        },
+       {
+               .name = "rsa3072",
+               .key_len = RSA3072_BYTES,
+               .sign = rsa_sign,
+               .add_verify_data = rsa_add_verify_data,
+               .verify = rsa_verify,
+       },
        {
                .name = "rsa4096",
                .key_len = RSA4096_BYTES,
-- 
2.17.1