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From 0590bacaecdfb57d5289a2c3d0628424689353d1 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Mon, 27 Aug 2018 17:04:34 +0200
Subject: [PATCH] libnm-core: support private keys encrypted with
AES-{192,256}-CBC
https://github.com/NetworkManager/NetworkManager/pull/189
(cherry picked from commit 93f85edcce502cfa6d3676f58bf9e8e1a527ea53)
(cherry picked from commit 74fc6f30b2fef3b8631128907e036bda88491970)
---
Makefile.am | 3 +-
libnm-core/crypto.c | 30 +++++++----
libnm-core/crypto.h | 6 ++-
libnm-core/crypto_gnutls.c | 14 ++++-
libnm-core/crypto_nss.c | 9 +++-
...{test-aes-key.pem => test-aes-128-key.pem} | 0
libnm-core/tests/certs/test-aes-256-key.pem | 54 +++++++++++++++++++
libnm-core/tests/test-crypto.c | 7 ++-
libnm-util/tests/test-crypto.c | 4 +-
9 files changed, 106 insertions(+), 21 deletions(-)
rename libnm-core/tests/certs/{test-aes-key.pem => test-aes-128-key.pem} (100%)
create mode 100644 libnm-core/tests/certs/test-aes-256-key.pem
diff --git a/Makefile.am b/Makefile.am
index cdb5cfc9d..d86fa26c7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -749,7 +749,8 @@ EXTRA_DIST += \
libnm-core/tests/certs/test2_ca_cert.pem \
libnm-core/tests/certs/test2-cert.p12 \
libnm-core/tests/certs/test2_key_and_cert.pem \
- libnm-core/tests/certs/test-aes-key.pem \
+ libnm-core/tests/certs/test-aes-128-key.pem \
+ libnm-core/tests/certs/test-aes-256-key.pem \
libnm-core/tests/certs/test_ca_cert.der \
libnm-core/tests/certs/test_ca_cert.pem \
libnm-core/tests/certs/test-ca-cert.pem \
diff --git a/libnm-core/crypto.c b/libnm-core/crypto.c
index c4e48475f..319f8055f 100644
--- a/libnm-core/crypto.c
+++ b/libnm-core/crypto.c
@@ -158,7 +158,13 @@ parse_old_openssl_key_file (const guint8 *data,
goto parse_error;
}
} else if (!strncmp (p, DEK_INFO_TAG, strlen (DEK_INFO_TAG))) {
+ static const char *const known_ciphers[] = { CIPHER_DES_EDE3_CBC,
+ CIPHER_DES_CBC,
+ CIPHER_AES_128_CBC,
+ CIPHER_AES_192_CBC,
+ CIPHER_AES_256_CBC };
char *comma;
+ guint i;
if (enc_tags++ != 1 || str->len != 0) {
g_set_error (error, NM_CRYPTO_ERROR,
@@ -187,13 +193,13 @@ parse_old_openssl_key_file (const guint8 *data,
iv = g_strdup (comma);
/* Get the private key cipher */
- if (!strcasecmp (p, "DES-EDE3-CBC")) {
- cipher = g_strdup (p);
- } else if (!strcasecmp (p, "DES-CBC")) {
- cipher = g_strdup (p);
- } else if (!strcasecmp (p, "AES-128-CBC")) {
- cipher = g_strdup (p);
- } else {
+ for (i = 0; i < G_N_ELEMENTS (known_ciphers); i++) {
+ if (!g_ascii_strcasecmp (p, known_ciphers[i])) {
+ cipher = g_strdup (known_ciphers[i]);
+ break;
+ }
+ }
+ if (i == G_N_ELEMENTS (known_ciphers)) {
g_set_error (error, NM_CRYPTO_ERROR,
NM_CRYPTO_ERROR_INVALID_DATA,
_("Malformed PEM file: unknown private key cipher '%s'."),
@@ -383,12 +389,16 @@ crypto_make_des_aes_key (const char *cipher,
g_return_val_if_fail (password != NULL, NULL);
g_return_val_if_fail (out_len != NULL, NULL);
- if (!strcmp (cipher, "DES-EDE3-CBC"))
+ if (!strcmp (cipher, CIPHER_DES_EDE3_CBC))
digest_len = 24;
- else if (!strcmp (cipher, "DES-CBC"))
+ else if (!strcmp (cipher, CIPHER_DES_CBC))
digest_len = 8;
- else if (!strcmp (cipher, "AES-128-CBC"))
+ else if (!strcmp (cipher, CIPHER_AES_128_CBC))
digest_len = 16;
+ else if (!strcmp (cipher, CIPHER_AES_192_CBC))
+ digest_len = 24;
+ else if (!strcmp (cipher, CIPHER_AES_256_CBC))
+ digest_len = 32;
else {
g_set_error (error, NM_CRYPTO_ERROR,
NM_CRYPTO_ERROR_UNKNOWN_CIPHER,
diff --git a/libnm-core/crypto.h b/libnm-core/crypto.h
index e89f09193..d20d6f310 100644
--- a/libnm-core/crypto.h
+++ b/libnm-core/crypto.h
@@ -30,8 +30,10 @@
#define MD5_HASH_LEN 20
#define CIPHER_DES_EDE3_CBC "DES-EDE3-CBC"
-#define CIPHER_DES_CBC "DES-CBC"
-#define CIPHER_AES_CBC "AES-128-CBC"
+#define CIPHER_DES_CBC "DES-CBC"
+#define CIPHER_AES_128_CBC "AES-128-CBC"
+#define CIPHER_AES_192_CBC "AES-192-CBC"
+#define CIPHER_AES_256_CBC "AES-256-CBC"
typedef enum {
NM_CRYPTO_KEY_TYPE_UNKNOWN = 0,
diff --git a/libnm-core/crypto_gnutls.c b/libnm-core/crypto_gnutls.c
index 53a3ba4ad..49181ee72 100644
--- a/libnm-core/crypto_gnutls.c
+++ b/libnm-core/crypto_gnutls.c
@@ -82,9 +82,15 @@ crypto_decrypt (const char *cipher,
} else if (!strcmp (cipher, CIPHER_DES_CBC)) {
cipher_mech = GNUTLS_CIPHER_DES_CBC;
real_iv_len = SALT_LEN;
- } else if (!strcmp (cipher, CIPHER_AES_CBC)) {
+ } else if (!strcmp (cipher, CIPHER_AES_128_CBC)) {
cipher_mech = GNUTLS_CIPHER_AES_128_CBC;
real_iv_len = 16;
+ } else if (!strcmp (cipher, CIPHER_AES_192_CBC)) {
+ cipher_mech = GNUTLS_CIPHER_AES_192_CBC;
+ real_iv_len = 16;
+ } else if (!strcmp (cipher, CIPHER_AES_256_CBC)) {
+ cipher_mech = GNUTLS_CIPHER_AES_256_CBC;
+ real_iv_len = 16;
} else {
g_set_error (error, NM_CRYPTO_ERROR,
NM_CRYPTO_ERROR_UNKNOWN_CIPHER,
@@ -189,8 +195,12 @@ crypto_encrypt (const char *cipher,
if (!strcmp (cipher, CIPHER_DES_EDE3_CBC))
cipher_mech = GNUTLS_CIPHER_3DES_CBC;
- else if (!strcmp (cipher, CIPHER_AES_CBC))
+ else if (!strcmp (cipher, CIPHER_AES_128_CBC))
cipher_mech = GNUTLS_CIPHER_AES_128_CBC;
+ else if (!strcmp (cipher, CIPHER_AES_192_CBC))
+ cipher_mech = GNUTLS_CIPHER_AES_192_CBC;
+ else if (!strcmp (cipher, CIPHER_AES_256_CBC))
+ cipher_mech = GNUTLS_CIPHER_AES_256_CBC;
else {
g_set_error (error, NM_CRYPTO_ERROR,
NM_CRYPTO_ERROR_UNKNOWN_CIPHER,
diff --git a/libnm-core/crypto_nss.c b/libnm-core/crypto_nss.c
index 56e91e26f..9a0c43349 100644
--- a/libnm-core/crypto_nss.c
+++ b/libnm-core/crypto_nss.c
@@ -103,7 +103,9 @@ crypto_decrypt (const char *cipher,
} else if (!strcmp (cipher, CIPHER_DES_CBC)) {
cipher_mech = CKM_DES_CBC_PAD;
real_iv_len = 8;
- } else if (!strcmp (cipher, CIPHER_AES_CBC)) {
+ } else if (NM_IN_STRSET (cipher, CIPHER_AES_128_CBC,
+ CIPHER_AES_192_CBC,
+ CIPHER_AES_256_CBC)) {
cipher_mech = CKM_AES_CBC_PAD;
real_iv_len = 16;
} else {
@@ -269,7 +271,10 @@ crypto_encrypt (const char *cipher,
if (!strcmp (cipher, CIPHER_DES_EDE3_CBC))
cipher_mech = CKM_DES3_CBC_PAD;
- else if (!strcmp (cipher, CIPHER_AES_CBC))
+ else if (NM_IN_STRSET (cipher,
+ CIPHER_AES_128_CBC,
+ CIPHER_AES_192_CBC,
+ CIPHER_AES_256_CBC))
cipher_mech = CKM_AES_CBC_PAD;
else {
g_set_error (error, NM_CRYPTO_ERROR,
diff --git a/libnm-core/tests/certs/test-aes-key.pem b/libnm-core/tests/certs/test-aes-128-key.pem
similarity index 100%
rename from libnm-core/tests/certs/test-aes-key.pem
rename to libnm-core/tests/certs/test-aes-128-key.pem
diff --git a/libnm-core/tests/certs/test-aes-256-key.pem b/libnm-core/tests/certs/test-aes-256-key.pem
new file mode 100644
index 000000000..e51bafd3d
--- /dev/null
+++ b/libnm-core/tests/certs/test-aes-256-key.pem
@@ -0,0 +1,54 @@
+-----BEGIN RSA PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: AES-256-CBC,5FF6BD2D4E57E8933D4A6814DEF5305A
+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+uj2Lfl8NN7N3ama9KatgbX5g6IALuk/rJN/4KEiiu24m+lR7c5L0pg/cG6LIFjmk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-----END RSA PRIVATE KEY-----
diff --git a/libnm-core/tests/test-crypto.c b/libnm-core/tests/test-crypto.c
index fb99ffea7..5fb26c1fc 100644
--- a/libnm-core/tests/test-crypto.c
+++ b/libnm-core/tests/test-crypto.c
@@ -476,8 +476,11 @@ main (int argc, char **argv)
g_test_add_data_func ("/libnm/crypto/key/padding-8",
"test2_key_and_cert.pem, 12345testing",
test_key);
- g_test_add_data_func ("/libnm/crypto/key/aes",
- "test-aes-key.pem, test-aes-password",
+ g_test_add_data_func ("/libnm/crypto/key/aes-128",
+ "test-aes-128-key.pem, test-aes-password",
+ test_key);
+ g_test_add_data_func ("/libnm/crypto/key/aes-256",
+ "test-aes-256-key.pem, test-aes-password",
test_key);
g_test_add_data_func ("/libnm/crypto/key/decrypted",
"test-key-only-decrypted.pem",
diff --git a/libnm-util/tests/test-crypto.c b/libnm-util/tests/test-crypto.c
index 61bd97745..af6028a52 100644
--- a/libnm-util/tests/test-crypto.c
+++ b/libnm-util/tests/test-crypto.c
@@ -383,8 +383,8 @@ main (int argc, char **argv)
g_test_add_data_func ("/libnm/crypto/key/padding-8",
"test2_key_and_cert.pem, 12345testing",
test_key);
- g_test_add_data_func ("/libnm/crypto/key/aes",
- "test-aes-key.pem, test-aes-password",
+ g_test_add_data_func ("/libnm/crypto/key/aes-128",
+ "test-aes-128-key.pem, test-aes-password",
test_key);
g_test_add_data_func ("/libnm/crypto/PKCS#12/1",
--
2.17.1