test: add rsa_verify() unit test
In this patch, a very simple test is added to verify that rsa_verify() using rsa_verify_with_pkey() work correctly. To keep the code simple, all the test data, either public key and verified binary data, are embedded in the source. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
This commit is contained in:
AKASHI Takahiro
Tom Rini
parent
0cc7a7535f
commit
d090b39ecb
10
test/Kconfig
10
test/Kconfig
@ -28,6 +28,16 @@ config UT_LIB_ASN1
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Enables a test which exercises asn1 compiler and decoder function
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via various parsers.
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config UT_LIB_RSA
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bool "Unit test for rsa_verify() function"
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depends on RSA
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depends on RSA_VERIFY_WITH_PKEY
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select IMAGE_SIGN_INFO
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default y
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help
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Enables rsa_verify() test, currently rsa_verify_with_pkey only()
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only, at the 'ut lib' command.
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endif
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config UT_TIME
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@ -8,4 +8,5 @@ obj-y += lmb.o
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obj-y += string.o
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obj-$(CONFIG_ERRNO_STR) += test_errno_str.o
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obj-$(CONFIG_UT_LIB_ASN1) += asn1.o
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obj-$(CONFIG_UT_LIB_RSA) += rsa.o
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obj-$(CONFIG_AES) += test_aes.o
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206
test/lib/rsa.c
Normal file
206
test/lib/rsa.c
Normal file
@ -0,0 +1,206 @@
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2019 Linaro Limited
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* Author: AKASHI Takahiro
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*
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* Unit test for rsa_verify() function
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*/
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#include <common.h>
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#include <command.h>
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#include <image.h>
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#include <test/lib.h>
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#include <test/test.h>
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#include <test/ut.h>
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#include <u-boot/rsa.h>
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#ifdef CONFIG_RSA_VERIFY_WITH_PKEY
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/*
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* openssl genrsa 2048 -out private.pem
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* openssl rsa -in private.pem -pubout -outform der -out public.der
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* dd if=public.der of=public.raw bs=24 skip=1
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*/
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static unsigned char public_key[] = {
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0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xca, 0x25, 0x23,
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0xe0, 0x0a, 0x4d, 0x8f, 0x56, 0xfc, 0xc9, 0x06, 0x4c, 0xcc, 0x94, 0x43,
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0xe0, 0x56, 0x44, 0x6e, 0x37, 0x54, 0x87, 0x12, 0x84, 0xf9, 0x07, 0x4f,
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0xe4, 0x23, 0x40, 0xc3, 0x43, 0x84, 0x37, 0x86, 0xd3, 0x9d, 0x95, 0x1c,
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0xe4, 0x8a, 0x66, 0x02, 0x09, 0xe2, 0x3d, 0xce, 0x2c, 0xc6, 0x02, 0x6a,
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0xd4, 0x65, 0x61, 0xff, 0x85, 0x6f, 0x88, 0x63, 0xba, 0x31, 0x62, 0x1e,
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0xb7, 0x95, 0xe9, 0x08, 0x3c, 0xe9, 0x35, 0xde, 0xfd, 0x65, 0x92, 0xb8,
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0x9e, 0x71, 0xa4, 0xcd, 0x47, 0xfd, 0x04, 0x26, 0xb9, 0x78, 0xbf, 0x05,
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0x0d, 0xfc, 0x00, 0x84, 0x08, 0xfc, 0xc4, 0x4b, 0xea, 0xf5, 0x97, 0x68,
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0x0d, 0x97, 0xd7, 0xff, 0x4f, 0x92, 0x82, 0xd7, 0xbb, 0xef, 0xb7, 0x67,
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0x8e, 0x72, 0x54, 0xe8, 0xc5, 0x9e, 0xfd, 0xd8, 0x38, 0xe9, 0xbe, 0x19,
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0x37, 0x5b, 0x36, 0x8b, 0xbf, 0x49, 0xa1, 0x59, 0x3a, 0x9d, 0xad, 0x92,
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0x08, 0x0b, 0xe3, 0xa4, 0xa4, 0x7d, 0xd3, 0x70, 0xc0, 0xb8, 0xfb, 0xc7,
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0xda, 0xd3, 0x19, 0x86, 0x37, 0x9a, 0xcd, 0xab, 0x30, 0x96, 0xab, 0xa4,
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0xa2, 0x31, 0xa0, 0x38, 0xfb, 0xbf, 0x85, 0xd3, 0x24, 0x39, 0xed, 0xbf,
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0xe1, 0x31, 0xed, 0x6c, 0x39, 0xc1, 0xe5, 0x05, 0x2e, 0x12, 0x30, 0x36,
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0x73, 0x5d, 0x62, 0xf3, 0x82, 0xaf, 0x38, 0xc8, 0xca, 0xfa, 0xa1, 0x99,
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0x57, 0x3c, 0xe1, 0xc1, 0x7b, 0x05, 0x0b, 0xcc, 0x2e, 0xa9, 0x10, 0xc8,
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0x68, 0xbd, 0x27, 0xb6, 0x19, 0x9c, 0xd2, 0xad, 0xb3, 0x1f, 0xca, 0x35,
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0x6e, 0x84, 0x23, 0xa1, 0xe9, 0xa4, 0x4c, 0xab, 0x19, 0x09, 0x79, 0x6e,
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0x3c, 0x7b, 0x74, 0xfc, 0x33, 0x05, 0xcf, 0xa4, 0x2e, 0xeb, 0x55, 0x60,
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0x05, 0xc7, 0xcf, 0x3f, 0x92, 0xac, 0x2d, 0x69, 0x0b, 0x19, 0x16, 0x79,
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0x75, 0x02, 0x03, 0x01, 0x00, 0x01
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};
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static unsigned int public_key_len = 270;
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/*
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* dd if=/dev/urandom of=data.raw bs=512 count=1
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*/
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static unsigned char data_raw[] = {
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0x3e, 0x48, 0x6e, 0xef, 0x83, 0xd1, 0x4c, 0xfd, 0x92, 0x47, 0x92, 0xd7,
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0xf6, 0x16, 0x25, 0x0a, 0xdf, 0xe2, 0xb6, 0x6c, 0xe7, 0xe0, 0x55, 0xb2,
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0x70, 0x66, 0xf0, 0xe5, 0xdc, 0xaf, 0xd3, 0x2e, 0xc1, 0x3e, 0x5c, 0x4b,
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0xb5, 0xa7, 0x23, 0x1f, 0x2c, 0xce, 0xf8, 0x83, 0x00, 0x6d, 0xeb, 0xdd,
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0x19, 0x71, 0x13, 0xb4, 0xae, 0x5c, 0xa8, 0xae, 0x52, 0xc8, 0xe1, 0x77,
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0x9e, 0x98, 0x75, 0xbc, 0xef, 0x36, 0x9f, 0x0c, 0x14, 0xed, 0x1a, 0x0a,
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0x4f, 0x6c, 0xa4, 0xb1, 0xbb, 0x0e, 0x43, 0x93, 0x12, 0xfc, 0x2e, 0x82,
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0x93, 0x4e, 0xcb, 0xa2, 0xcd, 0x59, 0x3f, 0xc5, 0x11, 0x38, 0x3a, 0x88,
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0xc3, 0xcf, 0xf9, 0x61, 0xa8, 0x9e, 0x96, 0xb6, 0xbf, 0xa6, 0x5b, 0x0d,
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0xd9, 0xbd, 0x05, 0x4c, 0xbe, 0xed, 0x86, 0xca, 0x10, 0x63, 0x72, 0x75,
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0x4b, 0xbd, 0x86, 0x42, 0x30, 0x9d, 0x54, 0x4e, 0x12, 0xda, 0xf4, 0xb4,
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0xfd, 0xd9, 0x54, 0x95, 0x8f, 0x83, 0xc2, 0x63, 0x44, 0xdd, 0x96, 0x1a,
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0xd0, 0x7c, 0xcf, 0xcb, 0x16, 0xd6, 0xff, 0xa3, 0xbb, 0xeb, 0x24, 0x06,
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0xbf, 0x81, 0xd0, 0x29, 0x76, 0x19, 0x66, 0x84, 0xfc, 0x49, 0xde, 0x7b,
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0x5d, 0xd2, 0x27, 0x58, 0x21, 0x7b, 0xff, 0x4d, 0x64, 0xf3, 0x89, 0xe3,
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0xea, 0xb6, 0x54, 0x4e, 0xb1, 0x62, 0x52, 0x89, 0xe3, 0x22, 0xf2, 0x26,
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0x3e, 0x4f, 0x43, 0x58, 0x78, 0x91, 0x55, 0xbc, 0x1e, 0xd6, 0x97, 0xfc,
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0x0b, 0x85, 0x4c, 0x92, 0x9c, 0xbf, 0xc4, 0xb1, 0x62, 0x93, 0x27, 0xa9,
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0xb2, 0xf4, 0xb4, 0x7a, 0xfb, 0x56, 0xe5, 0x8f, 0xe1, 0x94, 0x4d, 0xfd,
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0xe4, 0x72, 0x8d, 0xa9, 0x71, 0x65, 0xcb, 0x2e, 0x6d, 0x39, 0xd5, 0x95,
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0xe7, 0x3f, 0xab, 0xaa, 0x7a, 0x74, 0x84, 0x25, 0x4b, 0x42, 0x1e, 0xd3,
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0x86, 0xca, 0x47, 0x4a, 0xf0, 0x24, 0x81, 0x24, 0xb0, 0xe1, 0xbb, 0x6c,
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0x3f, 0x2a, 0xa0, 0xb8, 0xeb, 0xd6, 0x01, 0xce, 0x63, 0x51, 0xe1, 0x81,
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0xd2, 0x32, 0x43, 0x56, 0x44, 0x4a, 0x6b, 0x51, 0x24, 0xa2, 0xc7, 0x39,
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0x7c, 0x54, 0xda, 0xf8, 0xd4, 0x93, 0x7c, 0x8e, 0x4e, 0x9d, 0x15, 0x08,
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0xce, 0x27, 0xd8, 0x28, 0xb0, 0x5b, 0x75, 0x32, 0x43, 0xe8, 0xd6, 0xbf,
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0x12, 0xd5, 0xc5, 0x12, 0x8e, 0xeb, 0x77, 0x8f, 0x00, 0xde, 0x45, 0x1e,
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0xdd, 0xf3, 0xef, 0x43, 0x99, 0x79, 0x86, 0xea, 0x01, 0xce, 0xf2, 0x4d,
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0xa0, 0xfe, 0x5a, 0x55, 0xc0, 0x1f, 0xce, 0xe8, 0xbe, 0xc2, 0x66, 0xdb,
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0xcb, 0x3f, 0xa5, 0x48, 0xa1, 0xe2, 0x49, 0xa1, 0x29, 0x65, 0x5b, 0x62,
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0x39, 0xcc, 0xef, 0xbe, 0x86, 0xb7, 0xe3, 0x44, 0x67, 0x04, 0x04, 0xb1,
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0xec, 0xd8, 0xb2, 0xb2, 0x38, 0xbc, 0x10, 0xea, 0x7a, 0x0e, 0xa4, 0xa4,
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0xcb, 0x21, 0xd9, 0xc7, 0xb4, 0x0b, 0xb8, 0x39, 0xb4, 0x07, 0x53, 0x3f,
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0xb9, 0x55, 0x55, 0xa1, 0x6f, 0x11, 0x49, 0xc0, 0x94, 0x77, 0xaf, 0x76,
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0x97, 0x7f, 0x31, 0x08, 0xdd, 0x72, 0x48, 0x72, 0xf8, 0x11, 0x4f, 0x69,
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0x10, 0xef, 0x23, 0x06, 0xf3, 0x34, 0xac, 0xee, 0x97, 0x89, 0x41, 0x1c,
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0x36, 0x38, 0xb1, 0x80, 0x96, 0x7a, 0x9e, 0x72, 0xab, 0x25, 0xeb, 0xce,
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0x7b, 0xb8, 0x5d, 0xc8, 0xef, 0xa4, 0x73, 0xa1, 0xa6, 0x8f, 0x01, 0x54,
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0xce, 0x58, 0x19, 0xe5, 0x7e, 0xfa, 0x77, 0x08, 0x9d, 0x53, 0xc1, 0xcc,
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0x08, 0xe8, 0x1d, 0xe0, 0x82, 0x5e, 0xe1, 0xe6, 0xbd, 0xbb, 0x59, 0x7e,
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0x12, 0x9c, 0x39, 0x60, 0x23, 0xf7, 0xbe, 0x0a, 0x7c, 0x48, 0x12, 0xa0,
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0x84, 0x04, 0x3f, 0xa1, 0x6e, 0x92, 0xcd, 0xa0, 0xac, 0xee, 0x0b, 0xbc,
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0x18, 0x30, 0x28, 0xbd, 0xf5, 0xfa, 0x3a, 0x35
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};
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static unsigned int data_raw_len = 512;
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/*
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* openssl dgst -sha256 -sign private.key -out data.enc data.raw
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*/
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unsigned char data_enc[] = {
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0xa7, 0x4a, 0x12, 0x8f, 0xee, 0x65, 0x4b, 0xcd, 0x88, 0xca, 0x4d, 0xed,
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0xe3, 0x04, 0xe7, 0x7c, 0x59, 0xbf, 0x2f, 0xad, 0x95, 0x73, 0x5b, 0x2c,
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0x4e, 0xb5, 0xda, 0x5e, 0x3a, 0x6d, 0xb4, 0xc5, 0x84, 0x0c, 0xd2, 0x4a,
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0x62, 0x0d, 0x5f, 0xba, 0x10, 0xee, 0xb1, 0x2a, 0xe1, 0xfe, 0x50, 0x18,
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0x97, 0xcc, 0xea, 0x26, 0x62, 0x33, 0x5a, 0x1d, 0x51, 0x38, 0x52, 0x89,
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0x4d, 0xa7, 0x18, 0xff, 0xa6, 0xc8, 0xd4, 0x7a, 0xc0, 0xa6, 0x22, 0xdf,
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0x41, 0x89, 0x93, 0x9b, 0xe7, 0x9e, 0xc1, 0xc8, 0x80, 0xda, 0x1a, 0x3f,
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0xa4, 0x7a, 0xd0, 0x07, 0xcb, 0x5c, 0xa4, 0x75, 0x12, 0x54, 0x78, 0x67,
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0xbf, 0xe6, 0xae, 0x1e, 0x56, 0x33, 0x9e, 0xe0, 0x6e, 0x33, 0xa7, 0x58,
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0xb0, 0x47, 0x49, 0xa8, 0x37, 0xdb, 0x82, 0x4b, 0xbd, 0x32, 0x9c, 0xdc,
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0xf4, 0x67, 0x17, 0x24, 0x55, 0xfd, 0x83, 0x1e, 0xc8, 0xb4, 0x5c, 0xf9,
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0x15, 0x6c, 0x5e, 0xaa, 0x72, 0x03, 0x9e, 0x7c, 0x17, 0xf5, 0x7c, 0x37,
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0x96, 0x00, 0xb0, 0xd8, 0xaa, 0x05, 0xfa, 0xaa, 0xa1, 0x78, 0x77, 0xd5,
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0x09, 0xdd, 0x05, 0xc7, 0xe2, 0x9f, 0x68, 0xc7, 0xf8, 0xfb, 0x0b, 0x6f,
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0x18, 0x1e, 0xcc, 0x93, 0xd3, 0x3f, 0xc9, 0x26, 0x29, 0x64, 0xe7, 0x15,
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0xdc, 0xb8, 0x19, 0x10, 0x24, 0x55, 0x55, 0x3b, 0x79, 0xa1, 0x65, 0x12,
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0xe0, 0x0b, 0x88, 0x44, 0x4c, 0xea, 0x85, 0x5a, 0x6b, 0x2d, 0x45, 0x6e,
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0xe7, 0x83, 0x6f, 0x3a, 0xaa, 0x1e, 0xf1, 0x9c, 0x8f, 0xdc, 0xb9, 0x37,
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0xa2, 0x15, 0x61, 0x93, 0x06, 0x23, 0xf5, 0xfe, 0xf0, 0xf8, 0x2b, 0xf7,
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0xc0, 0x68, 0x67, 0xf6, 0x4e, 0x08, 0x0d, 0x0d, 0x08, 0xbe, 0xfb, 0x2c,
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0x4c, 0xe7, 0xd7, 0x1a, 0xad, 0xd9, 0x98, 0xa1, 0x8d, 0x94, 0x1c, 0xd1,
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0x89, 0x06, 0xc9, 0x3a
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};
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static unsigned int data_enc_len = 256;
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/**
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* lib_rsa_verify_valid() - unit test for rsa_verify()
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*
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* Test rsa_verify() with valid hash
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*
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* @uts: unit test state
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* Return: 0 = success, 1 = failure
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*/
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static int lib_rsa_verify_valid(struct unit_test_state *uts)
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{
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struct image_sign_info info;
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struct image_region reg;
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int ret;
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memset(&info, '\0', sizeof(info));
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info.name = "sha256,rsa2048";
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info.padding = image_get_padding_algo("pkcs-1.5");
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info.checksum = image_get_checksum_algo("sha256,rsa2048");
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info.crypto = image_get_crypto_algo(info.name);
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info.key = public_key;
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info.keylen = public_key_len;
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reg.data = data_raw;
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reg.size = data_raw_len;
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ret = rsa_verify(&info, ®, 1, data_enc, data_enc_len);
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ut_assertf(ret == 0, "verification unexpectedly failed (%d)\n", ret);
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return CMD_RET_SUCCESS;
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}
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LIB_TEST(lib_rsa_verify_valid, 0);
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/**
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* lib_rsa_verify_invalid() - unit test for rsa_verify()
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*
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* Test rsa_verify() with invalid hash
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*
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* @uts: unit test state
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* Return: 0 = success, 1 = failure
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*/
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static int lib_rsa_verify_invalid(struct unit_test_state *uts)
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{
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struct image_sign_info info;
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struct image_region reg;
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unsigned char ctmp;
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int ret;
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memset(&info, '\0', sizeof(info));
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info.name = "sha256,rsa2048";
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info.padding = image_get_padding_algo("pkcs-1.5");
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info.checksum = image_get_checksum_algo("sha256,rsa2048");
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info.crypto = image_get_crypto_algo(info.name);
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info.key = public_key;
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info.keylen = public_key_len;
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/* randomly corrupt enc'ed data */
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ctmp = data_enc[data_enc_len - 10];
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data_enc[data_enc_len - 10] = 0x12;
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reg.data = data_raw;
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reg.size = data_raw_len;
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ret = rsa_verify(&info, ®, 1, data_enc, data_enc_len);
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/* revert a change */
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data_enc[data_enc_len - 10] = ctmp;
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ut_assertf(ret != 0, "verification unexpectedly succeeded\n");
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return CMD_RET_SUCCESS;
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}
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LIB_TEST(lib_rsa_verify_invalid, 0);
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#endif /* RSA_VERIFY_WITH_PKEY */
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