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From 2e730b2259c701f16d473dbfb7e58e86a6e71b01 Mon Sep 17 00:00:00 2001
From: Daniel Kurtz <djkurtz@chromium.org>
Date: Fri, 18 Jan 2019 13:04:59 +0200
Subject: [PATCH] Update for openssl 1.1
OpenSSL 1.1 has made significant non-backwards compatible changes to its
API as outlined in:
https://wiki.openssl.org/index.php/OpenSSL_1.1.0_Changes
BRANCH=none
BUG=chromium:738114
TEST=cros_workon --host start vboot_reference
TEST=w/ openssl-1.0.2k: sudo emerge vboot_reference
TEST=w/ openssl-1.1.0e: sudo emerge vboot_reference
=> both build ok
$ futility version
=> command runs without error
TEST=cros_workon --board=soraka start vboot_reference coreboot
TEST=w/ openssl-1.0.2k: emerge-soraka vboot_reference coreboot
TEST=w/ openssl-1.1.0e: emerge-soraka vboot_reference coreboot
=> All build ok
Change-Id: I37cfc8cbb04a092eab7b0b3224f475b82609447c
Reviewed-on: https://chromium-review.googlesource.com/557739
Commit-Ready: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
(cherry-picked from bce7904376beee2912932433a4634c1c25afe2f5)
Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
---
futility/cmd_create.c | 5 ++++-
futility/vb2_helper.c | 7 +++++--
host/include/openssl_compat.h | 26 ++++++++++++++++++++++++++
host/lib/util_misc.c | 7 +++++--
host/lib21/host_key.c | 8 +++++++-
utility/dumpRSAPublicKey.c | 19 ++++++++++++++-----
6 files changed, 61 insertions(+), 11 deletions(-)
create mode 100644 host/include/openssl_compat.h
diff --git a/futility/cmd_create.c b/futility/cmd_create.c
index 143ea9ae..80d3fd90 100644
--- a/futility/cmd_create.c
+++ b/futility/cmd_create.c
@@ -13,6 +13,7 @@
#include "2common.h"
#include "2id.h"
#include "2rsa.h"
+#include "openssl_compat.h"
#include "util_misc.h"
#include "vb2_common.h"
#include "vb2_struct.h"
@@ -170,6 +171,7 @@ static int vb2_make_keypair()
enum vb2_signature_algorithm sig_alg;
uint8_t *pubkey_buf = 0;
int has_priv = 0;
+ const BIGNUM *rsa_d;
FILE *fp;
int ret = 1;
@@ -193,7 +195,8 @@ static int vb2_make_keypair()
goto done;
}
/* Public keys doesn't have the private exponent */
- has_priv = !!rsa_key->d;
+ RSA_get0_key(rsa_key, NULL, NULL, &rsa_d);
+ has_priv = !!rsa_d;
if (!has_priv)
fprintf(stderr, "%s has a public key only.\n", infile);
diff --git a/futility/vb2_helper.c b/futility/vb2_helper.c
index 51a78375..c6cc0fdd 100644
--- a/futility/vb2_helper.c
+++ b/futility/vb2_helper.c
@@ -11,6 +11,7 @@
#include "2common.h"
#include "2id.h"
#include "2rsa.h"
+#include "openssl_compat.h"
#include "util_misc.h"
#include "vb2_common.h"
#include "vb2_struct.h"
@@ -216,6 +217,7 @@ int ft_show_pem(const char *name, uint8_t *buf, uint32_t len, void *data)
uint8_t *keyb, *digest;
uint32_t keyb_len;
int i, bits;
+ const BIGNUM *rsa_key_n, *rsa_key_d;
/* We're called only after ft_recognize_pem, so this should work. */
rsa_key = rsa_from_buffer(buf, len);
@@ -223,10 +225,11 @@ int ft_show_pem(const char *name, uint8_t *buf, uint32_t len, void *data)
DIE;
/* Use to presence of the private exponent to decide if it's public */
- printf("%s Key file: %s\n", rsa_key->d ? "Private" : "Public",
+ RSA_get0_key(rsa_key, &rsa_key_n, NULL, &rsa_key_d);
+ printf("%s Key file: %s\n", rsa_key_d ? "Private" : "Public",
name);
- bits = BN_num_bits(rsa_key->n);
+ bits = BN_num_bits(rsa_key_n);
printf(" Key length: %d\n", bits);
if (vb_keyb_from_rsa(rsa_key, &keyb, &keyb_len)) {
diff --git a/host/include/openssl_compat.h b/host/include/openssl_compat.h
new file mode 100644
index 00000000..7771f32a
--- /dev/null
+++ b/host/include/openssl_compat.h
@@ -0,0 +1,26 @@
+/* Copyright 2017 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.
+ */
+
+#ifndef VBOOT_REFERENCE_OPENSSL_COMPAT_H_
+#define VBOOT_REFERENCE_OPENSSL_COMPAT_H_
+
+#include <openssl/rsa.h>
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+
+static inline void RSA_get0_key(const RSA *rsa, const BIGNUM **n,
+ const BIGNUM **e, const BIGNUM **d)
+{
+ if (n != NULL)
+ *n = rsa->n;
+ if (e != NULL)
+ *e = rsa->e;
+ if (d != NULL)
+ *d = rsa->d;
+}
+
+#endif /* OPENSSL_VERSION_NUMBER < 0x10100000L */
+
+#endif /* VBOOT_REFERENCE_OPENSSL_COMPAT_H_ */
diff --git a/host/lib/util_misc.c b/host/lib/util_misc.c
index 03ec683f..f0a1f7ad 100644
--- a/host/lib/util_misc.c
+++ b/host/lib/util_misc.c
@@ -15,6 +15,7 @@
#include "cryptolib.h"
#include "host_common.h"
+#include "openssl_compat.h"
#include "util_misc.h"
#include "vboot_common.h"
@@ -58,6 +59,7 @@ int vb_keyb_from_rsa(struct rsa_st *rsa_private_key,
BIGNUM *N0inv = NULL, *R = NULL, *RR = NULL;
BIGNUM *RRTemp = NULL, *NnumBits = NULL;
BIGNUM *n = NULL, *rr = NULL;
+ const BIGNUM *rsa_private_key_n;
BN_CTX *bn_ctx = BN_CTX_new();
uint32_t n0invout;
uint32_t bufsize;
@@ -65,7 +67,7 @@ int vb_keyb_from_rsa(struct rsa_st *rsa_private_key,
int retval = 1;
/* Size of RSA key in 32-bit words */
- nwords = BN_num_bits(rsa_private_key->n) / 32;
+ nwords = RSA_size(rsa_private_key) / 4;
bufsize = (2 + nwords + nwords) * sizeof(uint32_t);
outbuf = malloc(bufsize);
@@ -94,7 +96,8 @@ int vb_keyb_from_rsa(struct rsa_st *rsa_private_key,
NEW_BIGNUM(B);
#undef NEW_BIGNUM
- BN_copy(N, rsa_private_key->n);
+ RSA_get0_key(rsa_private_key, &rsa_private_key_n, NULL, NULL);
+ BN_copy(N, rsa_private_key_n);
BN_set_word(Big1, 1L);
BN_set_word(Big2, 2L);
BN_set_word(Big32, 32L);
diff --git a/host/lib21/host_key.c b/host/lib21/host_key.c
index f7ea1622..f9419ad3 100644
--- a/host/lib21/host_key.c
+++ b/host/lib21/host_key.c
@@ -17,6 +17,7 @@
#include "host_common.h"
#include "host_key2.h"
#include "host_misc.h"
+#include "openssl_compat.h"
struct vb2_text_vs_enum vb2_text_vs_algorithm[] = {
{"RSA1024 SHA1", VB2_ALG_RSA1024_SHA1},
@@ -544,7 +545,12 @@ int vb2_public_key_hash(struct vb2_public_key *key,
enum vb2_signature_algorithm vb2_rsa_sig_alg(struct rsa_st *rsa)
{
- int bits = BN_num_bits(rsa->n);
+ const BIGNUM *e, *n;
+ int exp, bits;
+
+ RSA_get0_key(rsa, &n, &e, NULL);
+ exp = BN_get_word(e);
+ bits = BN_num_bits(n);
switch (bits) {
case 1024:
diff --git a/utility/dumpRSAPublicKey.c b/utility/dumpRSAPublicKey.c
index b3b7b96b..a17b159e 100644
--- a/utility/dumpRSAPublicKey.c
+++ b/utility/dumpRSAPublicKey.c
@@ -14,14 +14,20 @@
#include <string.h>
#include <unistd.h>
+#include "openssl_compat.h"
+
/* Command line tool to extract RSA public keys from X.509 certificates
* and output a pre-processed version of keys for use by RSA verification
* routines.
*/
int check(RSA* key) {
- int public_exponent = BN_get_word(key->e);
- int modulus = BN_num_bits(key->n);
+ const BIGNUM *n, *e;
+ int public_exponent, modulus;
+
+ RSA_get0_key(key, &n, &e, NULL);
+ public_exponent = BN_get_word(e);
+ modulus = BN_num_bits(n);
if (public_exponent != 65537) {
fprintf(stderr, "WARNING: Public exponent should be 65537 (but is %d).\n",
@@ -40,7 +46,8 @@ int check(RSA* key) {
*/
void output(RSA* key) {
int i, nwords;
- BIGNUM *N = key->n;
+ const BIGNUM *key_n;
+ BIGNUM *N = NULL;
BIGNUM *Big1 = NULL, *Big2 = NULL, *Big32 = NULL, *BigMinus1 = NULL;
BIGNUM *B = NULL;
BIGNUM *N0inv= NULL, *R = NULL, *RR = NULL, *RRTemp = NULL, *NnumBits = NULL;
@@ -48,14 +55,15 @@ void output(RSA* key) {
BN_CTX *bn_ctx = BN_CTX_new();
uint32_t n0invout;
- N = key->n;
/* Output size of RSA key in 32-bit words */
- nwords = BN_num_bits(N) / 32;
+ nwords = RSA_size(key) / 4;
if (-1 == write(1, &nwords, sizeof(nwords)))
goto failure;
/* Initialize BIGNUMs */
+ RSA_get0_key(key, &key_n, NULL, NULL);
+ N = BN_dup(key_n);
Big1 = BN_new();
Big2 = BN_new();
Big32 = BN_new();
@@ -120,6 +128,7 @@ void output(RSA* key) {
failure:
/* Free BIGNUMs. */
+ BN_free(N);
BN_free(Big1);
BN_free(Big2);
BN_free(Big32);
--
2.14.1
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