test/rsa: Add test for RSA with public exponent 3

This tests RSA 2048 with public exponent 3.

BRANCH=none
BUG=chromium:663631
TEST=make run-rsa3

Change-Id: I979ad4a23de6baba63aba037d2713b74fed4737f
Reviewed-on: https://chromium-review.googlesource.com/408130
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>

6 files changed, 157 insertions, 1 deletions

diff --git a/test/build.mk b/test/build.mk
index 16c78c818a..cc2c369c9f 100644
--- a/test/build.mk
+++ b/test/build.mk
@@ -42,7 +42,7 @@ test-list-host+=bklight_lid bklight_passthru interrupt timer_dos button
 test-list-host+=math_util motion_lid sbs_charging_v2 battery_get_params_smart
 test-list-host+=lightbar inductive_charging usb_pd fan charge_manager
 test-list-host+=charge_manager_drp_charging charge_ramp
-test-list-host+=rsa
+test-list-host+=rsa rsa3
 endif
 
 battery_get_params_smart-y=battery_get_params_smart.o
@@ -73,6 +73,7 @@ power_button-y=power_button.o
 powerdemo-y=powerdemo.o
 queue-y=queue.o
 rsa-y=rsa.o
+rsa3-y=rsa.o
 sbs_charging-y=sbs_charging.o
 sbs_charging_v2-y=sbs_charging_v2.o
 stress-y=stress.o
diff --git a/test/rsa.c b/test/rsa.c
index 946515b0a2..401b502855 100644
--- a/test/rsa.c
+++ b/test/rsa.c
@@ -11,7 +11,11 @@
 #include "test_util.h"
 #include "util.h"
 
+#ifdef TEST_RSA3
+#include "rsa2048-3.h"
+#else
 #include "rsa2048-F4.h"
+#endif
 
 void run_test(void)
 {
diff --git a/test/rsa2048-3.h b/test/rsa2048-3.h
new file mode 100644
index 0000000000..37119ffb70
--- /dev/null
+++ b/test/rsa2048-3.h
@@ -0,0 +1,117 @@
+/* Copyright 2016 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * RSA 2048 with 3 exponent public key and verification.
+ * Private key in rsa2048-3.pem.
+ */
+
+/* First generate a key:
+ * # openssl genrsa -3 -out key.pem 2048
+ * # openssl rsa -in key.pem -pubout > key.pub
+ * Then dump the key:
+ * # dumpRSAPublicKey -pub key.pub | xxd -i
+ * That's a slightly different format, so comment out the 1st 4 bytes (length),
+ * and move the next 4 to the end (n0inv).
+ */
+const uint8_t rsa_data[] = {
+	/*  Length */
+	/* 0x40, 0x00, 0x00, 0x00, */
+	0x11, 0x17, 0x38, 0xfd,
+	0xef, 0xa2, 0xb5, 0x2d, 0x6d, 0x76, 0xe1, 0x70, 0x7d, 0x67, 0xb1, 0x9a,
+	0x18, 0x78, 0x90, 0xe2, 0xce, 0xa6, 0x81, 0xa0, 0x13, 0x37, 0xf2, 0x71,
+	0xf0, 0x44, 0x96, 0xaf, 0x52, 0x53, 0xd4, 0x23, 0x51, 0x19, 0xe5, 0xb0,
+	0x6d, 0x95, 0x99, 0x11, 0x88, 0x5c, 0xed, 0x52, 0x62, 0x07, 0xa6, 0x02,
+	0xc6, 0xba, 0x48, 0xae, 0x78, 0xd9, 0xfb, 0x73, 0x7a, 0x33, 0xfe, 0x8b,
+	0xe5, 0x38, 0xf6, 0x8b, 0xa1, 0x3f, 0x1d, 0xe1, 0xfc, 0xae, 0x19, 0xf1,
+	0x80, 0x94, 0x06, 0xfc, 0x44, 0x69, 0x3c, 0xec, 0xb2, 0xf0, 0x29, 0x9a,
+	0x97, 0x09, 0x81, 0x88, 0x1a, 0x56, 0x2e, 0xcb, 0xf9, 0x0b, 0x08, 0x5c,
+	0xd3, 0x44, 0x6a, 0xce, 0xe2, 0xbc, 0x71, 0x03, 0x93, 0x0b, 0x80, 0x0e,
+	0x12, 0x4c, 0x25, 0x61, 0x97, 0x15, 0x8a, 0x91, 0x37, 0x1e, 0x63, 0x35,
+	0x83, 0xa0, 0xb8, 0xbb, 0x07, 0x80, 0x7f, 0xbf, 0x2c, 0x1e, 0xab, 0xeb,
+	0xfb, 0x3d, 0x2c, 0xe7, 0xee, 0x32, 0xca, 0x7f, 0x9b, 0xe5, 0xf7, 0x04,
+	0xcc, 0xd5, 0xc9, 0x99, 0x55, 0xd2, 0xdb, 0xe5, 0x27, 0x70, 0xac, 0x1a,
+	0x81, 0x07, 0xff, 0x99, 0x5f, 0x34, 0x6a, 0x91, 0x5a, 0xb3, 0x3a, 0x37,
+	0xef, 0x61, 0xd4, 0xab, 0xf2, 0x90, 0x98, 0x9a, 0xf7, 0x35, 0x73, 0x93,
+	0x64, 0xf1, 0x27, 0x3f, 0x9a, 0x52, 0xa6, 0x91, 0x89, 0xb0, 0x5e, 0x70,
+	0x4c, 0x7e, 0x9e, 0x80, 0x50, 0x2a, 0x25, 0x78, 0xea, 0x6d, 0xad, 0x96,
+	0x04, 0x45, 0x92, 0xaa, 0x03, 0x6f, 0xec, 0x31, 0xbf, 0x82, 0x4b, 0x4e,
+	0xb5, 0xf2, 0xc2, 0x0b, 0x88, 0x0a, 0x26, 0xac, 0x2e, 0x02, 0x08, 0x38,
+	0xce, 0xbd, 0x12, 0xd0, 0x1b, 0x6a, 0x82, 0xe2, 0xe9, 0xb2, 0x9a, 0x3c,
+	0x1f, 0x61, 0xa0, 0xac, 0xa6, 0x8d, 0x49, 0x60, 0xd6, 0xf5, 0x65, 0xda,
+	0xde, 0x9e, 0xda, 0x20, 0x67, 0x58, 0x0f, 0xd8, 0x71, 0xd4, 0x21, 0xf5,
+	0xef, 0x64, 0x91, 0x14, 0x1b, 0xc2, 0x2d, 0x8f, 0x5f, 0xa2, 0x09, 0xc4,
+	0x82, 0x7f, 0x3a, 0xca, 0xef, 0x5a, 0x12, 0x20, 0x0e, 0x68, 0x36, 0xf1,
+	0xe0, 0xa2, 0x03, 0x90, 0x68, 0x67, 0xdc, 0x6c, 0x44, 0x41, 0xc7, 0x49,
+	0xad, 0xa3, 0x93, 0xe7, 0xa3, 0xa1, 0x88, 0xd9, 0xf6, 0x14, 0x2d, 0x8a,
+	0xc2, 0x8f, 0xb9, 0x14, 0x06, 0xdc, 0x14, 0xd1, 0xe2, 0xf6, 0x04, 0x0b,
+	0x24, 0x42, 0x24, 0x8a, 0x2e, 0x09, 0x02, 0xeb, 0x55, 0x62, 0x57, 0x67,
+	0x34, 0xf0, 0xa4, 0x30, 0xb3, 0x06, 0xd9, 0xa3, 0x6c, 0xf3, 0x1f, 0x5f,
+	0x8f, 0x36, 0x82, 0x3c, 0x12, 0x97, 0x6a, 0xff, 0x84, 0xcd, 0x98, 0x88,
+	0xad, 0xc2, 0xa0, 0xcc, 0xea, 0x33, 0x7a, 0xc3, 0x7d, 0x29, 0x90, 0x1e,
+	0xd0, 0x3e, 0x2e, 0x0f, 0xa1, 0xc1, 0x16, 0x46, 0x1c, 0xcd, 0xb0, 0x4e,
+	0x44, 0x61, 0xa2, 0x77, 0x25, 0x40, 0xba, 0xe6, 0x89, 0xf8, 0xba, 0x5d,
+	0xe0, 0x4b, 0x6d, 0x8c, 0xe4, 0xe7, 0xf0, 0x5f, 0x13, 0x25, 0x51, 0x72,
+	0x3b, 0xeb, 0x32, 0xaf, 0x80, 0xde, 0xa6, 0x20, 0x63, 0x38, 0x43, 0x10,
+	0xf7, 0x8e, 0xfb, 0xd3, 0x06, 0xf9, 0x51, 0x98, 0xf8, 0xc1, 0x62, 0x0d,
+	0x23, 0x2b, 0x66, 0xd9, 0xe7, 0xd5, 0x03, 0xbb, 0xee, 0x36, 0xde, 0x5c,
+	0xd8, 0x22, 0x7c, 0x4b, 0xf9, 0x26, 0x63, 0x96, 0x6a, 0x4c, 0x9b, 0x59,
+	0xd0, 0xf2, 0xc4, 0xf8, 0x79, 0xf5, 0x43, 0x9b, 0xdf, 0x26, 0xeb, 0x2e,
+	0x80, 0xe2, 0x27, 0x9e, 0xd3, 0xa5, 0x45, 0x37, 0x4c, 0xbd, 0xf9, 0xb0,
+	0x23, 0xa1, 0x21, 0x4e, 0x1f, 0x6e, 0xdd, 0xac, 0xa6, 0x2c, 0x83, 0x61,
+	0xdf, 0x8f, 0x9a, 0xfb, 0x55, 0x0a, 0x88, 0x0b, 0x0b, 0x34, 0xbd, 0x35,
+	0x43, 0x2d, 0xe4, 0x49,
+	/* n0inv */
+	0x0f, 0x46, 0xe8, 0x2c
+};
+
+const struct rsa_public_key *rsa_key = (struct rsa_public_key *)rsa_data;
+BUILD_ASSERT(sizeof(*rsa_key) == sizeof(rsa_data));
+
+/* SHA-256 sum to verify:
+ * # sha256sum README | sed -e 's/\(..\)/0x\1, /mg'
+ */
+const uint8_t hash[] = {
+	0x6c, 0x5f, 0xef, 0x7f, 0x63, 0x1d, 0xb4, 0x35, 0x6c, 0xae, 0x8b, 0x2a,
+	0x4e, 0xde, 0xc5, 0xeb, 0x11, 0xba, 0x1f, 0x44, 0x40, 0xb6, 0x3a, 0x52,
+	0xf2, 0x70, 0xef, 0xee, 0x44, 0x4b, 0x57, 0x62
+};
+
+/* Incorrect hash to test the negative case */
+const uint8_t hash_wrong[] = {
+	0x61, 0x1b, 0xd2, 0x44, 0xc7, 0x18, 0xa7, 0x2d, 0x0f, 0x2d, 0x3d, 0x0f,
+	0xe3, 0xb3, 0xc5, 0xe4, 0x12, 0xc2, 0x7b, 0x1e, 0x05, 0x2c, 0x6f, 0xad,
+	0xc4, 0xac, 0x71, 0x55, 0xe8, 0x80, 0x5c, 0x38
+};
+
+/* Generate signature using futility:
+ * # futility create key.pem
+ * # futility sign --type rwsig --prikey key.vbprik2 README README.out
+ * # dd skip=56 bs=1 if=README.out | xxd -i
+ */
+const uint8_t sig[] = {
+	0xad, 0x93, 0x9d, 0x5e, 0x4b, 0x66, 0xbd, 0xaa, 0xd0, 0x31, 0x15, 0x0f,
+	0x0c, 0x2c, 0x48, 0x61, 0xfc, 0x81, 0xef, 0xbf, 0x99, 0x7d, 0xc8, 0x51,
+	0x78, 0x84, 0xb0, 0x7c, 0x26, 0x09, 0x5c, 0x53, 0x36, 0x8c, 0xef, 0xef,
+	0x24, 0x71, 0xe8, 0xff, 0xa7, 0xac, 0x1a, 0xe3, 0xf7, 0xf3, 0x88, 0xde,
+	0xc8, 0x2c, 0x13, 0x29, 0x30, 0x90, 0xf9, 0xb0, 0xbc, 0x10, 0xcc, 0x72,
+	0xc7, 0xb0, 0x4c, 0x0e, 0x0c, 0x14, 0xe1, 0xca, 0x41, 0x4d, 0x3c, 0x40,
+	0x8e, 0x2e, 0x45, 0x90, 0x7a, 0xb4, 0xa5, 0xd6, 0x8f, 0xf6, 0xfb, 0xef,
+	0x51, 0x47, 0x60, 0x21, 0x6d, 0x6f, 0xae, 0x9b, 0xb1, 0x9b, 0x34, 0x48,
+	0x21, 0x9a, 0x5e, 0x70, 0xa3, 0x52, 0xa2, 0x00, 0x11, 0x20, 0x2d, 0x2a,
+	0xda, 0xc1, 0x23, 0x46, 0xbc, 0xb5, 0xa4, 0x0a, 0xec, 0x6a, 0x3a, 0xe4,
+	0x96, 0x17, 0x8a, 0x69, 0xce, 0x6f, 0xb0, 0x1d, 0x24, 0xd5, 0x20, 0x03,
+	0x0d, 0xe4, 0x6a, 0xf2, 0x8d, 0x19, 0x13, 0x7f, 0xd0, 0xe9, 0x51, 0xc7,
+	0x9b, 0x43, 0x11, 0xb4, 0x77, 0x1c, 0xed, 0xb9, 0xf0, 0xfc, 0xc3, 0xf7,
+	0x1a, 0xa0, 0x5e, 0x35, 0x2d, 0xc4, 0x35, 0x15, 0x42, 0xfa, 0x2f, 0xeb,
+	0xe6, 0xc6, 0xed, 0x98, 0x42, 0x93, 0xb1, 0x26, 0x61, 0x29, 0x37, 0xee,
+	0x87, 0x88, 0x7c, 0xc6, 0xa3, 0xd0, 0x5b, 0xaf, 0xb3, 0x19, 0xa1, 0x1d,
+	0x5f, 0x13, 0x37, 0x58, 0x33, 0x3b, 0xa8, 0xef, 0xea, 0x17, 0x87, 0x99,
+	0x43, 0xe3, 0x0a, 0x97, 0xdb, 0x8d, 0x54, 0x69, 0x33, 0x58, 0x9d, 0x2f,
+	0xfc, 0x32, 0x78, 0xca, 0x3a, 0x65, 0xca, 0x8e, 0x9b, 0x94, 0x18, 0xaa,
+	0xf0, 0x2b, 0x97, 0xcc, 0xa9, 0xd2, 0xd0, 0x8c, 0x73, 0xd6, 0x82, 0x99,
+	0xac, 0x07, 0x74, 0x47, 0x6e, 0x4c, 0x7b, 0xf9, 0x18, 0xf6, 0x13, 0x50,
+	0x9e, 0xea, 0xc7, 0x1c,
+	/* Padding */
+	0x00
+};
diff --git a/test/rsa2048-3.pem b/test/rsa2048-3.pem
new file mode 100644
index 0000000000..0f89ecf9d3
--- /dev/null
+++ b/test/rsa2048-3.pem
@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/test/rsa3.tasklist b/test/rsa3.tasklist
new file mode 120000
index 0000000000..6cfe0ef051
--- /dev/null
+++ b/test/rsa3.tasklist
@@ -0,0 +1 @@
+rsa.tasklist
\ No newline at end of file
diff --git a/test/test_config.h b/test/test_config.h
index 4d772dffac..a453d04638 100644
--- a/test/test_config.h
+++ b/test/test_config.h
@@ -56,6 +56,12 @@
 #define CONFIG_RSA_KEY_SIZE 2048
 #endif
 
+#ifdef TEST_RSA3
+#define CONFIG_RSA
+#define CONFIG_RSA_KEY_SIZE 2048
+#define CONFIG_RSA_EXPONENT_3
+#endif
+
 #ifdef TEST_SBS_CHARGING
 #define CONFIG_BATTERY_MOCK
 #define CONFIG_BATTERY_SMART