File 0013-appended-signature-Support-two-certificates.patch of Package qemu
From 63eb79772de45f7e3a07039eb248b8c8384a6b85 Mon Sep 17 00:00:00 2001
From: Michal Suchanek <msuchanek@suse.de>
Date: Wed, 5 Jan 2022 17:10:06 +0100
Subject: [PATCH] appended signature: Support two certificates.
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
---
lib/libcrypto/appended_sig.c | 72 +++++++++++++---------
lib/libcrypto/certificate.h | 112 +++++++++++++++++++++++++++++++++++
2 files changed, 156 insertions(+), 28 deletions(-)
diff --git a/roms/SLOF/lib/libcrypto/appended_sig.c b/roms/SLOF/lib/libcrypto/appended_sig.c
index 6b7c0cd..f3d6de5 100644
--- a/roms/SLOF/lib/libcrypto/appended_sig.c
+++ b/roms/SLOF/lib/libcrypto/appended_sig.c
@@ -32,10 +32,43 @@ int is_secureboot() {
return 1;
}
+static int verify_one_cert(mbedtls_pkcs7 *pkcs7, const void *blob, size_t bloblen, const void *cert, size_t certlen, const char *certdesc)
+{
+ mbedtls_x509_crt *x509 = malloc(sizeof(mbedtls_x509_crt));
+ int rc = 0;
+
+ mbedtls_x509_crt_init(x509);
+ printf("%d\n", __LINE__);
+ rc = mbedtls_x509_crt_parse_der(x509, cert, certlen);
+ if (rc) {
+ printf("%d\n", __LINE__);
+
+ printf("Appended signature: internal error parsing %s x509 certificate.\n", certdesc);
+ rc = 0;
+ goto exit_x509;
+ }
+ printf("%d\n", __LINE__);
+
+ rc = mbedtls_pkcs7_signed_data_verify(pkcs7, x509, blob, bloblen);
+ printf("Appended signature: %sverified by %s x509 certificate.\n", rc ? "NOT " : "" , certdesc);
+ if (rc) {
+ printf("%d\n", __LINE__);
+ rc = 0;
+ goto exit_x509;
+ }
+
+ rc = 1;
+
+exit_x509:
+ mbedtls_x509_crt_free(x509);
+ free(x509);
+
+ return rc;
+}
+
int verify_appended_signature(void *blob, size_t len) {
void *ptr;
mbedtls_pkcs7 *pkcs7;
- mbedtls_x509_crt *x509;
int rc = 0;
struct module_signature *modsig;
@@ -69,48 +102,31 @@ int verify_appended_signature(void *blob, size_t len) {
// point at the pkcs7 data itself:
ptr -= modsig->sig_len;
+ printf("%d\n", __LINE__);
+ printf("ptr at %p, blob at %p, computed len %lu ? %lu\n", ptr, blob, len-(ptr-blob), (unsigned long)(ptr-blob));
+
// load into the pkcs7 code
pkcs7 = malloc(sizeof(mbedtls_pkcs7));
mbedtls_pkcs7_init(pkcs7);
-
rc = mbedtls_pkcs7_parse_der(ptr, modsig->sig_len, pkcs7);
if (rc != MBEDTLS_PKCS7_SIGNED_DATA) {
printf("Appended signature: error parsing PKCS#7 data: %d. Aborting.\n", rc);
rc = 0;
goto exit;
}
-
- x509 = malloc(sizeof(mbedtls_x509_crt));
- mbedtls_x509_crt_init(x509);
- printf("%d\n", __LINE__);
- rc = mbedtls_x509_crt_parse_der(x509, certificate_der, certificate_der_len);
- if (rc) {
printf("%d\n", __LINE__);
- printf("Appended signature: internal error parsing builtin x509 certificate. Aborting.\n");
- rc = 0;
- goto exit_x509;
- }
- printf("%d\n", __LINE__);
+ rc = verify_one_cert(pkcs7, blob, (ptr-blob), certificate_SLE_crt, certificate_SLE_crt_len, "SLE");
+ if (rc)
+ goto exit;
- printf("ptr at %p, blob at %p, computed len %lu ? %lu\n", ptr, blob, len-(ptr-blob), (unsigned long)(ptr-blob));
+ rc = verify_one_cert(pkcs7, blob, (ptr-blob), certificate_der, certificate_der_len, "project");
+ if (rc)
+ goto exit;
- rc = mbedtls_pkcs7_signed_data_verify(pkcs7, x509, blob, (ptr - blob));
- if (rc) {
- printf("%d\n", __LINE__);
- printf("Appended signature: verification failed. Refusing to proceed.\n");
- rc = 0;
- goto exit_x509;
- }
printf("%d\n", __LINE__);
-
- rc = 1;
-
-exit_x509:
- mbedtls_x509_crt_free(x509);
- free(x509);
-
+ printf("Appended signature: verification failed. Refusing to proceed.\n");
exit:
mbedtls_pkcs7_free(pkcs7);
free(pkcs7);
diff --git a/roms/SLOF/lib/libcrypto/certificate.h b/roms/SLOF/lib/libcrypto/certificate.h
index b48f1ee..88d2e4b 100644
--- a/roms/SLOF/lib/libcrypto/certificate.h
+++ b/roms/SLOF/lib/libcrypto/certificate.h
@@ -116,3 +116,115 @@ unsigned char certificate_der[] = {
0x61
};
unsigned int certificate_der_len = 1369;
+
+unsigned char certificate_SLE_crt[] = {
+ 0x30, 0x82, 0x05, 0x04, 0x30, 0x82, 0x03, 0xec, 0xa0, 0x03, 0x02, 0x01,
+ 0x02, 0x02, 0x09, 0x00, 0xed, 0x87, 0x85, 0xb7, 0x8f, 0xfc, 0x12, 0x7e,
+ 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
+ 0x0b, 0x05, 0x00, 0x30, 0x81, 0xa6, 0x31, 0x2d, 0x30, 0x2b, 0x06, 0x03,
+ 0x55, 0x04, 0x03, 0x0c, 0x24, 0x53, 0x55, 0x53, 0x45, 0x20, 0x4c, 0x69,
+ 0x6e, 0x75, 0x78, 0x20, 0x45, 0x6e, 0x74, 0x65, 0x72, 0x70, 0x72, 0x69,
+ 0x73, 0x65, 0x20, 0x53, 0x65, 0x63, 0x75, 0x72, 0x65, 0x20, 0x42, 0x6f,
+ 0x6f, 0x74, 0x20, 0x43, 0x41, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55,
+ 0x04, 0x06, 0x13, 0x02, 0x44, 0x45, 0x31, 0x12, 0x30, 0x10, 0x06, 0x03,
+ 0x55, 0x04, 0x07, 0x0c, 0x09, 0x4e, 0x75, 0x72, 0x65, 0x6d, 0x62, 0x65,
+ 0x72, 0x67, 0x31, 0x21, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c,
+ 0x18, 0x53, 0x55, 0x53, 0x45, 0x20, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20,
+ 0x50, 0x72, 0x6f, 0x64, 0x75, 0x63, 0x74, 0x73, 0x20, 0x47, 0x6d, 0x62,
+ 0x48, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x0c, 0x0a,
+ 0x42, 0x75, 0x69, 0x6c, 0x64, 0x20, 0x54, 0x65, 0x61, 0x6d, 0x31, 0x1c,
+ 0x30, 0x1a, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x09,
+ 0x01, 0x16, 0x0d, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x40, 0x73, 0x75, 0x73,
+ 0x65, 0x2e, 0x64, 0x65, 0x30, 0x1e, 0x17, 0x0d, 0x32, 0x31, 0x30, 0x33,
+ 0x30, 0x38, 0x31, 0x30, 0x31, 0x35, 0x30, 0x38, 0x5a, 0x17, 0x0d, 0x33,
+ 0x30, 0x31, 0x32, 0x33, 0x31, 0x31, 0x30, 0x31, 0x35, 0x30, 0x38, 0x5a,
+ 0x30, 0x81, 0xab, 0x31, 0x32, 0x30, 0x30, 0x06, 0x03, 0x55, 0x04, 0x03,
+ 0x0c, 0x29, 0x53, 0x55, 0x53, 0x45, 0x20, 0x4c, 0x69, 0x6e, 0x75, 0x78,
+ 0x20, 0x45, 0x6e, 0x74, 0x65, 0x72, 0x70, 0x72, 0x69, 0x73, 0x65, 0x20,
+ 0x53, 0x65, 0x63, 0x75, 0x72, 0x65, 0x20, 0x42, 0x6f, 0x6f, 0x74, 0x20,
+ 0x53, 0x69, 0x67, 0x6e, 0x6b, 0x65, 0x79, 0x31, 0x0b, 0x30, 0x09, 0x06,
+ 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x44, 0x45, 0x31, 0x12, 0x30, 0x10,
+ 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x4e, 0x75, 0x72, 0x65, 0x6d,
+ 0x62, 0x65, 0x72, 0x67, 0x31, 0x21, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x04,
+ 0x0a, 0x0c, 0x18, 0x53, 0x55, 0x53, 0x45, 0x20, 0x4c, 0x69, 0x6e, 0x75,
+ 0x78, 0x20, 0x50, 0x72, 0x6f, 0x64, 0x75, 0x63, 0x74, 0x73, 0x20, 0x47,
+ 0x6d, 0x62, 0x48, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0b,
+ 0x0c, 0x0a, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x20, 0x54, 0x65, 0x61, 0x6d,
+ 0x31, 0x1c, 0x30, 0x1a, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
+ 0x01, 0x09, 0x01, 0x16, 0x0d, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x40, 0x73,
+ 0x75, 0x73, 0x65, 0x2e, 0x64, 0x65, 0x30, 0x82, 0x01, 0x22, 0x30, 0x0d,
+ 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05,
+ 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82,
+ 0x01, 0x01, 0x00, 0xb6, 0xf0, 0x29, 0x43, 0x8a, 0xa0, 0xc4, 0x38, 0x9b,
+ 0x3a, 0x96, 0x2e, 0x7c, 0x5c, 0x90, 0x1b, 0x71, 0xc3, 0xb1, 0x0b, 0xf0,
+ 0x8c, 0xf7, 0xeb, 0x40, 0x77, 0x58, 0xaa, 0x47, 0x0a, 0x0d, 0x9b, 0xf3,
+ 0x84, 0xa1, 0x49, 0x4a, 0x90, 0x2e, 0xe2, 0x0b, 0xa5, 0x92, 0xe2, 0xa7,
+ 0x39, 0xe3, 0x0e, 0xd7, 0xe7, 0x9c, 0xa4, 0xe0, 0xbd, 0x7f, 0x41, 0xba,
+ 0x99, 0xb2, 0x30, 0x60, 0x2b, 0x0c, 0xfc, 0x62, 0x81, 0x09, 0x42, 0x91,
+ 0x41, 0x93, 0xce, 0x07, 0x97, 0x92, 0x78, 0x65, 0x3e, 0x34, 0x96, 0x88,
+ 0x5d, 0x5e, 0x88, 0x8a, 0x68, 0x5f, 0x62, 0x2d, 0xcc, 0x5e, 0x68, 0x5e,
+ 0x56, 0xb3, 0xfa, 0xe1, 0x77, 0x7a, 0xa6, 0xf7, 0x27, 0xfe, 0x2a, 0x65,
+ 0x93, 0x62, 0x0f, 0x2d, 0xb6, 0xdd, 0x8c, 0x87, 0xa2, 0x48, 0x89, 0xa0,
+ 0xd7, 0x1b, 0x5f, 0x9e, 0xb7, 0x1a, 0x59, 0xaf, 0xad, 0xcc, 0xe3, 0x2e,
+ 0x30, 0x04, 0x1f, 0x17, 0x8c, 0x14, 0x95, 0x59, 0xc5, 0x17, 0x83, 0xe7,
+ 0x87, 0x48, 0x28, 0x4b, 0x6b, 0x2f, 0xd8, 0xb8, 0xf7, 0x7d, 0x54, 0x38,
+ 0x5d, 0x5e, 0xdd, 0xf1, 0xbb, 0x01, 0xf6, 0x0c, 0x1d, 0x59, 0x24, 0x10,
+ 0x33, 0x06, 0xd2, 0x6f, 0x94, 0x97, 0xa2, 0x22, 0xd9, 0x38, 0x8a, 0xd9,
+ 0x88, 0x8f, 0xe7, 0xe8, 0x30, 0xf9, 0x50, 0xbf, 0x18, 0x6a, 0x9f, 0xb6,
+ 0x7f, 0x9b, 0x01, 0x5c, 0x0d, 0x4c, 0xb6, 0x89, 0xd7, 0xf7, 0x53, 0x12,
+ 0x52, 0xee, 0xbc, 0x56, 0x1e, 0xe5, 0xff, 0xd5, 0x17, 0x12, 0x7b, 0x64,
+ 0xc7, 0x96, 0xf2, 0x39, 0xd4, 0x40, 0x2b, 0x19, 0xdd, 0x22, 0x99, 0xcf,
+ 0x41, 0x06, 0xb3, 0x85, 0x7b, 0x50, 0xa0, 0x5b, 0x24, 0x3e, 0xd5, 0x73,
+ 0x2a, 0xcf, 0xbc, 0x8c, 0x87, 0xa6, 0x0c, 0xea, 0x2c, 0x9f, 0xb7, 0x13,
+ 0x90, 0x18, 0x0e, 0x10, 0xfe, 0x3d, 0x89, 0x02, 0x03, 0x01, 0x00, 0x01,
+ 0xa3, 0x82, 0x01, 0x2c, 0x30, 0x82, 0x01, 0x28, 0x30, 0x0c, 0x06, 0x03,
+ 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x02, 0x30, 0x00, 0x30, 0x1d,
+ 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x5a, 0x24, 0x04,
+ 0x49, 0xd2, 0x9f, 0xd0, 0xd8, 0xa7, 0xa1, 0x87, 0xe6, 0xfc, 0x0e, 0x26,
+ 0xb9, 0x5d, 0x1a, 0xa8, 0x7b, 0x30, 0x81, 0xd3, 0x06, 0x03, 0x55, 0x1d,
+ 0x23, 0x04, 0x81, 0xcb, 0x30, 0x81, 0xc8, 0x80, 0x14, 0xec, 0xab, 0x0d,
+ 0x42, 0xc4, 0x56, 0xcf, 0x77, 0x04, 0x36, 0xb9, 0x73, 0x99, 0x38, 0x62,
+ 0x96, 0x5e, 0x87, 0x26, 0x2f, 0xa1, 0x81, 0xac, 0xa4, 0x81, 0xa9, 0x30,
+ 0x81, 0xa6, 0x31, 0x2d, 0x30, 0x2b, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c,
+ 0x24, 0x53, 0x55, 0x53, 0x45, 0x20, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20,
+ 0x45, 0x6e, 0x74, 0x65, 0x72, 0x70, 0x72, 0x69, 0x73, 0x65, 0x20, 0x53,
+ 0x65, 0x63, 0x75, 0x72, 0x65, 0x20, 0x42, 0x6f, 0x6f, 0x74, 0x20, 0x43,
+ 0x41, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02,
+ 0x44, 0x45, 0x31, 0x12, 0x30, 0x10, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c,
+ 0x09, 0x4e, 0x75, 0x72, 0x65, 0x6d, 0x62, 0x65, 0x72, 0x67, 0x31, 0x21,
+ 0x30, 0x1f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x18, 0x53, 0x55, 0x53,
+ 0x45, 0x20, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x50, 0x72, 0x6f, 0x64,
+ 0x75, 0x63, 0x74, 0x73, 0x20, 0x47, 0x6d, 0x62, 0x48, 0x31, 0x13, 0x30,
+ 0x11, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x0c, 0x0a, 0x42, 0x75, 0x69, 0x6c,
+ 0x64, 0x20, 0x54, 0x65, 0x61, 0x6d, 0x31, 0x1c, 0x30, 0x1a, 0x06, 0x09,
+ 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x09, 0x01, 0x16, 0x0d, 0x62,
+ 0x75, 0x69, 0x6c, 0x64, 0x40, 0x73, 0x75, 0x73, 0x65, 0x2e, 0x64, 0x65,
+ 0x82, 0x01, 0x01, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01,
+ 0xff, 0x04, 0x04, 0x03, 0x02, 0x07, 0x80, 0x30, 0x13, 0x06, 0x03, 0x55,
+ 0x1d, 0x25, 0x04, 0x0c, 0x30, 0x0a, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05,
+ 0x05, 0x07, 0x03, 0x03, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
+ 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00,
+ 0xa8, 0x52, 0x38, 0x95, 0x54, 0x1f, 0xde, 0x17, 0xa1, 0xd1, 0x35, 0xab,
+ 0x67, 0x07, 0x34, 0x7a, 0x3d, 0xf4, 0xa7, 0x51, 0x21, 0x54, 0x99, 0xac,
+ 0x37, 0x10, 0xb2, 0xfe, 0x6b, 0x67, 0xe8, 0x80, 0xe4, 0x47, 0x39, 0xb3,
+ 0x01, 0xef, 0x45, 0xfd, 0x3c, 0x79, 0x07, 0xa2, 0xb2, 0xb6, 0x3b, 0x63,
+ 0xd9, 0x6b, 0xd4, 0xda, 0x63, 0xa1, 0x8c, 0x35, 0xba, 0xd5, 0x37, 0x6f,
+ 0x93, 0x65, 0x01, 0xaa, 0x56, 0xa9, 0x4d, 0xb4, 0xf4, 0x5f, 0x6a, 0x05,
+ 0x0a, 0x8e, 0x30, 0xc3, 0xc8, 0x26, 0xda, 0xe0, 0xf2, 0x63, 0x79, 0xc2,
+ 0x10, 0xcd, 0x23, 0x74, 0xf8, 0xfc, 0x5e, 0x70, 0x3e, 0x4f, 0xea, 0xda,
+ 0xc7, 0x07, 0x30, 0xe8, 0xda, 0x2c, 0x2b, 0x72, 0x7a, 0x83, 0xe6, 0xc4,
+ 0x5a, 0x39, 0x17, 0xd2, 0x55, 0xab, 0xca, 0x5d, 0x63, 0x83, 0x1b, 0x80,
+ 0xab, 0x7c, 0xee, 0xa7, 0x8b, 0x76, 0xae, 0x5e, 0xfd, 0xdb, 0x3f, 0xa7,
+ 0x01, 0x40, 0x26, 0x09, 0x2a, 0xec, 0x61, 0xe4, 0x10, 0xc6, 0x72, 0x88,
+ 0x78, 0x2b, 0xd9, 0x09, 0x83, 0x06, 0x82, 0x2c, 0x52, 0xa1, 0x8a, 0xef,
+ 0xd9, 0x2c, 0x43, 0xf2, 0x14, 0xc5, 0x0b, 0xc5, 0xd6, 0xeb, 0x4e, 0xaf,
+ 0x21, 0x35, 0x5b, 0xf5, 0xfc, 0x5a, 0x60, 0x5d, 0x5c, 0x0a, 0x30, 0x8b,
+ 0x8e, 0x19, 0x10, 0xa6, 0x77, 0xa0, 0x56, 0x24, 0xf4, 0x99, 0x5e, 0x50,
+ 0x70, 0xf5, 0xbf, 0x20, 0x88, 0xea, 0x2a, 0x56, 0xb5, 0x37, 0xdb, 0x07,
+ 0xdb, 0xa6, 0xee, 0x17, 0x07, 0x09, 0x20, 0x75, 0xd0, 0x44, 0x1e, 0x21,
+ 0xd5, 0xba, 0x15, 0xb4, 0x8a, 0xa2, 0x41, 0x93, 0x9e, 0xe0, 0x18, 0xc6,
+ 0x45, 0x3b, 0xd1, 0x20, 0xb1, 0x8e, 0x6b, 0xf5, 0x97, 0x9f, 0xc5, 0x21,
+ 0x42, 0xf3, 0x1c, 0xdf, 0xd6, 0xc2, 0xaf, 0x54, 0xb1, 0x31, 0x1b, 0xe9,
+ 0x09, 0x5e, 0xf3, 0x2b
+};
+unsigned int certificate_SLE_crt_len = 1288;
--
2.34.1
