Boot: Add RSA-3072 support to MCUBoot
PSA TBSA-M recommends to use RSA signature for firmware
authentication with at least 3072 bits length key size.
This patch introduces:
- add an example RSA-3072 key
- add configurable RSA-3072 support (RSA-2048 still available)
- set RSA-3072 to default
This change is based on:
https://github.com/JuulLabs-OSS/mcuboot/pull/476
authored by Fabio Utzig <utzig@apache.org>
Change-Id: Ic8d188f64d0dbe54aebf28c2778fb932e1afeeb9
Signed-off-by: Tamas Ban <tamas.ban@arm.com>
diff --git a/bl2/ext/mcuboot/keys.c b/bl2/ext/mcuboot/keys.c
index 7bad135..f051f81 100644
--- a/bl2/ext/mcuboot/keys.c
+++ b/bl2/ext/mcuboot/keys.c
@@ -17,44 +17,120 @@
* under the License.
*/
+/*
+ * Original code taken from mcuboot project at:
+ * https://github.com/JuulLabs-OSS/mcuboot
+ * Git SHA of the original version: 178be54bd6e5f035cc60e98205535682acd26e64
+ * Modifications are Copyright (c) 2019 Arm Limited.
+ */
+
#include <bootutil/sign_key.h>
#if defined(MCUBOOT_SIGN_RSA)
-const unsigned char root_pub_der[] = {
- 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xd1, 0x06, 0x08,
- 0x1a, 0x18, 0x44, 0x2c, 0x18, 0xe8, 0xfb, 0xfd, 0xf7, 0x0d, 0xa3, 0x4f,
- 0x1f, 0xbb, 0xee, 0x5e, 0xf9, 0xaa, 0xd2, 0x4b, 0x18, 0xd3, 0x5a, 0xe9,
- 0x6d, 0x18, 0x80, 0x19, 0xf9, 0xf0, 0x9c, 0x34, 0x1b, 0xcb, 0xf3, 0xbc,
- 0x74, 0xdb, 0x42, 0xe7, 0x8c, 0x7f, 0x10, 0x53, 0x7e, 0x43, 0x5e, 0x0d,
- 0x57, 0x2c, 0x44, 0xd1, 0x67, 0x08, 0x0f, 0x0d, 0xbb, 0x5c, 0xee, 0xec,
- 0xb3, 0x99, 0xdf, 0xe0, 0x4d, 0x84, 0x0b, 0xaa, 0x77, 0x41, 0x60, 0xed,
- 0x15, 0x28, 0x49, 0xa7, 0x01, 0xb4, 0x3c, 0x10, 0xe6, 0x69, 0x8c, 0x2f,
- 0x5f, 0xac, 0x41, 0x4d, 0x9e, 0x5c, 0x14, 0xdf, 0xf2, 0xf8, 0xcf, 0x3d,
- 0x1e, 0x6f, 0xe7, 0x5b, 0xba, 0xb4, 0xa9, 0xc8, 0x88, 0x7e, 0x47, 0x3c,
- 0x94, 0xc3, 0x77, 0x67, 0x54, 0x4b, 0xaa, 0x8d, 0x38, 0x35, 0xca, 0x62,
- 0x61, 0x7e, 0xb7, 0xe1, 0x15, 0xdb, 0x77, 0x73, 0xd4, 0xbe, 0x7b, 0x72,
- 0x21, 0x89, 0x69, 0x24, 0xfb, 0xf8, 0x65, 0x6e, 0x64, 0x3e, 0xc8, 0x0e,
- 0xd7, 0x85, 0xd5, 0x5c, 0x4a, 0xe4, 0x53, 0x0d, 0x2f, 0xff, 0xb7, 0xfd,
- 0xf3, 0x13, 0x39, 0x83, 0x3f, 0xa3, 0xae, 0xd2, 0x0f, 0xa7, 0x6a, 0x9d,
- 0xf9, 0xfe, 0xb8, 0xce, 0xfa, 0x2a, 0xbe, 0xaf, 0xb8, 0xe0, 0xfa, 0x82,
- 0x37, 0x54, 0xf4, 0x3e, 0xe1, 0x2b, 0xd0, 0xd3, 0x08, 0x58, 0x18, 0xf6,
- 0x5e, 0x4c, 0xc8, 0x88, 0x81, 0x31, 0xad, 0x5f, 0xb0, 0x82, 0x17, 0xf2,
- 0x8a, 0x69, 0x27, 0x23, 0xf3, 0xab, 0x87, 0x3e, 0x93, 0x1a, 0x1d, 0xfe,
- 0xe8, 0xf8, 0x1a, 0x24, 0x66, 0x59, 0xf8, 0x1c, 0xab, 0xdc, 0xce, 0x68,
- 0x1b, 0x66, 0x64, 0x35, 0xec, 0xfa, 0x0d, 0x11, 0x9d, 0xaf, 0x5c, 0x3a,
- 0xa7, 0xd1, 0x67, 0xc6, 0x47, 0xef, 0xb1, 0x4b, 0x2c, 0x62, 0xe1, 0xd1,
- 0xc9, 0x02, 0x03, 0x01, 0x00, 0x01
+#if MCUBOOT_SIGN_RSA_LEN == 2048
+#define HAVE_KEYS
+const unsigned char rsa_pub_key[] = {
+ 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01,
+ 0x00, 0xd1, 0x06, 0x08, 0x1a, 0x18, 0x44, 0x2c,
+ 0x18, 0xe8, 0xfb, 0xfd, 0xf7, 0x0d, 0xa3, 0x4f,
+ 0x1f, 0xbb, 0xee, 0x5e, 0xf9, 0xaa, 0xd2, 0x4b,
+ 0x18, 0xd3, 0x5a, 0xe9, 0x6d, 0x18, 0x80, 0x19,
+ 0xf9, 0xf0, 0x9c, 0x34, 0x1b, 0xcb, 0xf3, 0xbc,
+ 0x74, 0xdb, 0x42, 0xe7, 0x8c, 0x7f, 0x10, 0x53,
+ 0x7e, 0x43, 0x5e, 0x0d, 0x57, 0x2c, 0x44, 0xd1,
+ 0x67, 0x08, 0x0f, 0x0d, 0xbb, 0x5c, 0xee, 0xec,
+ 0xb3, 0x99, 0xdf, 0xe0, 0x4d, 0x84, 0x0b, 0xaa,
+ 0x77, 0x41, 0x60, 0xed, 0x15, 0x28, 0x49, 0xa7,
+ 0x01, 0xb4, 0x3c, 0x10, 0xe6, 0x69, 0x8c, 0x2f,
+ 0x5f, 0xac, 0x41, 0x4d, 0x9e, 0x5c, 0x14, 0xdf,
+ 0xf2, 0xf8, 0xcf, 0x3d, 0x1e, 0x6f, 0xe7, 0x5b,
+ 0xba, 0xb4, 0xa9, 0xc8, 0x88, 0x7e, 0x47, 0x3c,
+ 0x94, 0xc3, 0x77, 0x67, 0x54, 0x4b, 0xaa, 0x8d,
+ 0x38, 0x35, 0xca, 0x62, 0x61, 0x7e, 0xb7, 0xe1,
+ 0x15, 0xdb, 0x77, 0x73, 0xd4, 0xbe, 0x7b, 0x72,
+ 0x21, 0x89, 0x69, 0x24, 0xfb, 0xf8, 0x65, 0x6e,
+ 0x64, 0x3e, 0xc8, 0x0e, 0xd7, 0x85, 0xd5, 0x5c,
+ 0x4a, 0xe4, 0x53, 0x0d, 0x2f, 0xff, 0xb7, 0xfd,
+ 0xf3, 0x13, 0x39, 0x83, 0x3f, 0xa3, 0xae, 0xd2,
+ 0x0f, 0xa7, 0x6a, 0x9d, 0xf9, 0xfe, 0xb8, 0xce,
+ 0xfa, 0x2a, 0xbe, 0xaf, 0xb8, 0xe0, 0xfa, 0x82,
+ 0x37, 0x54, 0xf4, 0x3e, 0xe1, 0x2b, 0xd0, 0xd3,
+ 0x08, 0x58, 0x18, 0xf6, 0x5e, 0x4c, 0xc8, 0x88,
+ 0x81, 0x31, 0xad, 0x5f, 0xb0, 0x82, 0x17, 0xf2,
+ 0x8a, 0x69, 0x27, 0x23, 0xf3, 0xab, 0x87, 0x3e,
+ 0x93, 0x1a, 0x1d, 0xfe, 0xe8, 0xf8, 0x1a, 0x24,
+ 0x66, 0x59, 0xf8, 0x1c, 0xab, 0xdc, 0xce, 0x68,
+ 0x1b, 0x66, 0x64, 0x35, 0xec, 0xfa, 0x0d, 0x11,
+ 0x9d, 0xaf, 0x5c, 0x3a, 0xa7, 0xd1, 0x67, 0xc6,
+ 0x47, 0xef, 0xb1, 0x4b, 0x2c, 0x62, 0xe1, 0xd1,
+ 0xc9, 0x02, 0x03, 0x01, 0x00, 0x01,
};
-const unsigned int root_pub_der_len = 270;
+const unsigned int rsa_pub_key_len = 270;
+#elif MCUBOOT_SIGN_RSA_LEN == 3072
+#define HAVE_KEYS
+const unsigned char rsa_pub_key[] = {
+ 0x30, 0x82, 0x01, 0x8a, 0x02, 0x82, 0x01, 0x81,
+ 0x00, 0x9c, 0xba, 0xc2, 0x5a, 0xbf, 0xcc, 0xc5,
+ 0x4f, 0x20, 0x0c, 0x4f, 0x6f, 0x6c, 0x51, 0x4f,
+ 0x5c, 0x0a, 0xab, 0x80, 0xb8, 0x6b, 0x10, 0xc4,
+ 0x9b, 0x2b, 0xc4, 0x52, 0x32, 0x09, 0x4b, 0x3b,
+ 0x27, 0x94, 0x6a, 0x1d, 0xd5, 0x4c, 0xa8, 0x5c,
+ 0xa0, 0xc0, 0x76, 0x95, 0x7b, 0x26, 0x04, 0xb1,
+ 0x13, 0x7e, 0x78, 0x27, 0xd6, 0x0c, 0xb4, 0xe8,
+ 0xb0, 0x2d, 0x92, 0x52, 0x8a, 0xfb, 0x69, 0xff,
+ 0x42, 0x10, 0xaa, 0x56, 0x0c, 0x83, 0xc8, 0x65,
+ 0x6e, 0xba, 0x0d, 0x5f, 0x8e, 0xf7, 0x2b, 0x29,
+ 0x92, 0xfc, 0x42, 0x2d, 0x2d, 0xf9, 0x80, 0xf5,
+ 0x85, 0x21, 0x87, 0xea, 0xac, 0x40, 0xa8, 0xcb,
+ 0xd0, 0xa8, 0x3b, 0xe2, 0xd2, 0xec, 0xf0, 0x14,
+ 0x48, 0x0e, 0xcf, 0x2b, 0x8a, 0x4b, 0xa4, 0xcd,
+ 0xa1, 0x05, 0x5b, 0x17, 0x66, 0x1d, 0xde, 0x6e,
+ 0x44, 0xfe, 0x46, 0xa3, 0x0d, 0xd0, 0x69, 0xbf,
+ 0x8c, 0xad, 0xa9, 0x16, 0x68, 0x51, 0xeb, 0x79,
+ 0x91, 0x20, 0xe6, 0x81, 0x03, 0x07, 0x89, 0x40,
+ 0x55, 0x4b, 0xeb, 0xcf, 0x67, 0xf8, 0x31, 0xc7,
+ 0x1c, 0x54, 0x4e, 0x52, 0x0b, 0x60, 0xe8, 0xa2,
+ 0x50, 0x07, 0xd1, 0xcf, 0xce, 0x12, 0x26, 0xcd,
+ 0x8e, 0x82, 0x8d, 0x4e, 0x64, 0xa9, 0xf7, 0xc7,
+ 0x21, 0x99, 0x25, 0x07, 0xdd, 0xc5, 0xd5, 0x5f,
+ 0xf4, 0x63, 0xfa, 0xcc, 0x2b, 0xda, 0x06, 0x5c,
+ 0x59, 0x67, 0xb0, 0x06, 0x35, 0xe9, 0xaa, 0x92,
+ 0x45, 0x35, 0xe5, 0xa0, 0x03, 0xff, 0x1c, 0x02,
+ 0xb5, 0xc7, 0x4e, 0x94, 0x4b, 0x6e, 0xad, 0x73,
+ 0x9d, 0xce, 0x6f, 0x09, 0xb3, 0xb1, 0x8f, 0x60,
+ 0x6c, 0xa2, 0xfa, 0xcd, 0x77, 0x0f, 0xcc, 0x27,
+ 0xe6, 0x36, 0x58, 0xb3, 0x52, 0xf7, 0x8f, 0xbe,
+ 0x49, 0x98, 0xb7, 0xe9, 0x60, 0xfd, 0x97, 0x57,
+ 0xcd, 0xea, 0xd3, 0x0b, 0xdf, 0xa2, 0x42, 0xf7,
+ 0x44, 0xd3, 0x87, 0xde, 0xe0, 0x10, 0x03, 0x94,
+ 0xda, 0xfc, 0xbc, 0xdd, 0xbe, 0x93, 0xb3, 0x4a,
+ 0x2b, 0x58, 0xdc, 0x96, 0x12, 0xf2, 0x6f, 0x23,
+ 0xba, 0x3b, 0x37, 0xfe, 0xfc, 0x18, 0x1f, 0x75,
+ 0x7d, 0x54, 0x01, 0x0e, 0xbe, 0x3d, 0x18, 0x13,
+ 0xb3, 0x28, 0xb9, 0x34, 0x2c, 0xd5, 0xfb, 0xc5,
+ 0x33, 0xbd, 0x87, 0xbd, 0x3b, 0xe4, 0x1d, 0xd7,
+ 0x02, 0x3d, 0x1c, 0x72, 0x65, 0x72, 0x43, 0x43,
+ 0x36, 0xa8, 0xfa, 0xe6, 0x73, 0x2d, 0xa4, 0x61,
+ 0xe8, 0x02, 0x9c, 0x3a, 0x56, 0x4d, 0x1c, 0xd1,
+ 0x76, 0x9c, 0x8c, 0xaa, 0x5f, 0x1b, 0xeb, 0x1c,
+ 0x4a, 0xf5, 0xb9, 0xb8, 0x6f, 0x41, 0x4b, 0x27,
+ 0x87, 0xde, 0xf6, 0x94, 0x1f, 0xdd, 0xe6, 0xf1,
+ 0xa9, 0xc2, 0x02, 0xc2, 0x4f, 0xa3, 0xfc, 0xa4,
+ 0x03, 0x5a, 0xd9, 0x6f, 0x78, 0xfd, 0x84, 0xf0,
+ 0xe5, 0xfd, 0x3d, 0xa5, 0x4d, 0x1b, 0xad, 0x5b,
+ 0x4b, 0x02, 0x03, 0x01, 0x00, 0x01,
+};
+const unsigned int rsa_pub_key_len = 398;
+#endif
#else
#error "No public key available for given signing algorithm."
#endif
-#if defined(MCUBOOT_SIGN_RSA)
+#if defined(HAVE_KEYS)
const struct bootutil_key bootutil_keys[] = {
{
- .key = root_pub_der,
- .len = &root_pub_der_len,
+ .key = rsa_pub_key,
+ .len = &rsa_pub_key_len,
},
};
const int bootutil_key_cnt = 1;