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276 lines
12 KiB
276 lines
12 KiB
6 years ago
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From 0590bacaecdfb57d5289a2c3d0628424689353d1 Mon Sep 17 00:00:00 2001
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From: Beniamino Galvani <bgalvani@redhat.com>
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Date: Mon, 27 Aug 2018 17:04:34 +0200
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Subject: [PATCH] libnm-core: support private keys encrypted with
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AES-{192,256}-CBC
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https://github.com/NetworkManager/NetworkManager/pull/189
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(cherry picked from commit 93f85edcce502cfa6d3676f58bf9e8e1a527ea53)
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(cherry picked from commit 74fc6f30b2fef3b8631128907e036bda88491970)
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---
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Makefile.am | 3 +-
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libnm-core/crypto.c | 30 +++++++----
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libnm-core/crypto.h | 6 ++-
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libnm-core/crypto_gnutls.c | 14 ++++-
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libnm-core/crypto_nss.c | 9 +++-
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...{test-aes-key.pem => test-aes-128-key.pem} | 0
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libnm-core/tests/certs/test-aes-256-key.pem | 54 +++++++++++++++++++
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libnm-core/tests/test-crypto.c | 7 ++-
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libnm-util/tests/test-crypto.c | 4 +-
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9 files changed, 106 insertions(+), 21 deletions(-)
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rename libnm-core/tests/certs/{test-aes-key.pem => test-aes-128-key.pem} (100%)
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create mode 100644 libnm-core/tests/certs/test-aes-256-key.pem
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diff --git a/Makefile.am b/Makefile.am
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index cdb5cfc9d..d86fa26c7 100644
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--- a/Makefile.am
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+++ b/Makefile.am
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@@ -749,7 +749,8 @@ EXTRA_DIST += \
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libnm-core/tests/certs/test2_ca_cert.pem \
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libnm-core/tests/certs/test2-cert.p12 \
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libnm-core/tests/certs/test2_key_and_cert.pem \
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- libnm-core/tests/certs/test-aes-key.pem \
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+ libnm-core/tests/certs/test-aes-128-key.pem \
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+ libnm-core/tests/certs/test-aes-256-key.pem \
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libnm-core/tests/certs/test_ca_cert.der \
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libnm-core/tests/certs/test_ca_cert.pem \
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libnm-core/tests/certs/test-ca-cert.pem \
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diff --git a/libnm-core/crypto.c b/libnm-core/crypto.c
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index c4e48475f..319f8055f 100644
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--- a/libnm-core/crypto.c
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+++ b/libnm-core/crypto.c
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@@ -158,7 +158,13 @@ parse_old_openssl_key_file (const guint8 *data,
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goto parse_error;
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}
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} else if (!strncmp (p, DEK_INFO_TAG, strlen (DEK_INFO_TAG))) {
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+ static const char *const known_ciphers[] = { CIPHER_DES_EDE3_CBC,
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+ CIPHER_DES_CBC,
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+ CIPHER_AES_128_CBC,
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+ CIPHER_AES_192_CBC,
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+ CIPHER_AES_256_CBC };
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char *comma;
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+ guint i;
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if (enc_tags++ != 1 || str->len != 0) {
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g_set_error (error, NM_CRYPTO_ERROR,
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@@ -187,13 +193,13 @@ parse_old_openssl_key_file (const guint8 *data,
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iv = g_strdup (comma);
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/* Get the private key cipher */
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- if (!strcasecmp (p, "DES-EDE3-CBC")) {
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- cipher = g_strdup (p);
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- } else if (!strcasecmp (p, "DES-CBC")) {
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- cipher = g_strdup (p);
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- } else if (!strcasecmp (p, "AES-128-CBC")) {
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- cipher = g_strdup (p);
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- } else {
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+ for (i = 0; i < G_N_ELEMENTS (known_ciphers); i++) {
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+ if (!g_ascii_strcasecmp (p, known_ciphers[i])) {
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+ cipher = g_strdup (known_ciphers[i]);
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+ break;
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+ }
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+ }
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+ if (i == G_N_ELEMENTS (known_ciphers)) {
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g_set_error (error, NM_CRYPTO_ERROR,
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NM_CRYPTO_ERROR_INVALID_DATA,
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_("Malformed PEM file: unknown private key cipher '%s'."),
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@@ -383,12 +389,16 @@ crypto_make_des_aes_key (const char *cipher,
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g_return_val_if_fail (password != NULL, NULL);
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g_return_val_if_fail (out_len != NULL, NULL);
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- if (!strcmp (cipher, "DES-EDE3-CBC"))
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+ if (!strcmp (cipher, CIPHER_DES_EDE3_CBC))
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digest_len = 24;
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- else if (!strcmp (cipher, "DES-CBC"))
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+ else if (!strcmp (cipher, CIPHER_DES_CBC))
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digest_len = 8;
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- else if (!strcmp (cipher, "AES-128-CBC"))
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+ else if (!strcmp (cipher, CIPHER_AES_128_CBC))
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digest_len = 16;
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+ else if (!strcmp (cipher, CIPHER_AES_192_CBC))
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+ digest_len = 24;
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+ else if (!strcmp (cipher, CIPHER_AES_256_CBC))
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+ digest_len = 32;
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else {
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g_set_error (error, NM_CRYPTO_ERROR,
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NM_CRYPTO_ERROR_UNKNOWN_CIPHER,
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diff --git a/libnm-core/crypto.h b/libnm-core/crypto.h
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index e89f09193..d20d6f310 100644
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--- a/libnm-core/crypto.h
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+++ b/libnm-core/crypto.h
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@@ -30,8 +30,10 @@
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#define MD5_HASH_LEN 20
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#define CIPHER_DES_EDE3_CBC "DES-EDE3-CBC"
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-#define CIPHER_DES_CBC "DES-CBC"
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-#define CIPHER_AES_CBC "AES-128-CBC"
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+#define CIPHER_DES_CBC "DES-CBC"
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+#define CIPHER_AES_128_CBC "AES-128-CBC"
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+#define CIPHER_AES_192_CBC "AES-192-CBC"
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+#define CIPHER_AES_256_CBC "AES-256-CBC"
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typedef enum {
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NM_CRYPTO_KEY_TYPE_UNKNOWN = 0,
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diff --git a/libnm-core/crypto_gnutls.c b/libnm-core/crypto_gnutls.c
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index 53a3ba4ad..49181ee72 100644
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--- a/libnm-core/crypto_gnutls.c
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+++ b/libnm-core/crypto_gnutls.c
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@@ -82,9 +82,15 @@ crypto_decrypt (const char *cipher,
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} else if (!strcmp (cipher, CIPHER_DES_CBC)) {
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cipher_mech = GNUTLS_CIPHER_DES_CBC;
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real_iv_len = SALT_LEN;
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- } else if (!strcmp (cipher, CIPHER_AES_CBC)) {
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+ } else if (!strcmp (cipher, CIPHER_AES_128_CBC)) {
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cipher_mech = GNUTLS_CIPHER_AES_128_CBC;
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real_iv_len = 16;
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+ } else if (!strcmp (cipher, CIPHER_AES_192_CBC)) {
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+ cipher_mech = GNUTLS_CIPHER_AES_192_CBC;
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+ real_iv_len = 16;
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+ } else if (!strcmp (cipher, CIPHER_AES_256_CBC)) {
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+ cipher_mech = GNUTLS_CIPHER_AES_256_CBC;
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+ real_iv_len = 16;
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} else {
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g_set_error (error, NM_CRYPTO_ERROR,
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NM_CRYPTO_ERROR_UNKNOWN_CIPHER,
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@@ -189,8 +195,12 @@ crypto_encrypt (const char *cipher,
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if (!strcmp (cipher, CIPHER_DES_EDE3_CBC))
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cipher_mech = GNUTLS_CIPHER_3DES_CBC;
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- else if (!strcmp (cipher, CIPHER_AES_CBC))
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+ else if (!strcmp (cipher, CIPHER_AES_128_CBC))
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cipher_mech = GNUTLS_CIPHER_AES_128_CBC;
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+ else if (!strcmp (cipher, CIPHER_AES_192_CBC))
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+ cipher_mech = GNUTLS_CIPHER_AES_192_CBC;
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+ else if (!strcmp (cipher, CIPHER_AES_256_CBC))
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+ cipher_mech = GNUTLS_CIPHER_AES_256_CBC;
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else {
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g_set_error (error, NM_CRYPTO_ERROR,
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NM_CRYPTO_ERROR_UNKNOWN_CIPHER,
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diff --git a/libnm-core/crypto_nss.c b/libnm-core/crypto_nss.c
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index 56e91e26f..9a0c43349 100644
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--- a/libnm-core/crypto_nss.c
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+++ b/libnm-core/crypto_nss.c
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@@ -103,7 +103,9 @@ crypto_decrypt (const char *cipher,
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} else if (!strcmp (cipher, CIPHER_DES_CBC)) {
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cipher_mech = CKM_DES_CBC_PAD;
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real_iv_len = 8;
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- } else if (!strcmp (cipher, CIPHER_AES_CBC)) {
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+ } else if (NM_IN_STRSET (cipher, CIPHER_AES_128_CBC,
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+ CIPHER_AES_192_CBC,
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+ CIPHER_AES_256_CBC)) {
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cipher_mech = CKM_AES_CBC_PAD;
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real_iv_len = 16;
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} else {
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@@ -269,7 +271,10 @@ crypto_encrypt (const char *cipher,
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if (!strcmp (cipher, CIPHER_DES_EDE3_CBC))
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cipher_mech = CKM_DES3_CBC_PAD;
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- else if (!strcmp (cipher, CIPHER_AES_CBC))
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+ else if (NM_IN_STRSET (cipher,
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+ CIPHER_AES_128_CBC,
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+ CIPHER_AES_192_CBC,
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+ CIPHER_AES_256_CBC))
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cipher_mech = CKM_AES_CBC_PAD;
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else {
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g_set_error (error, NM_CRYPTO_ERROR,
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diff --git a/libnm-core/tests/certs/test-aes-key.pem b/libnm-core/tests/certs/test-aes-128-key.pem
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similarity index 100%
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rename from libnm-core/tests/certs/test-aes-key.pem
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rename to libnm-core/tests/certs/test-aes-128-key.pem
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diff --git a/libnm-core/tests/certs/test-aes-256-key.pem b/libnm-core/tests/certs/test-aes-256-key.pem
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new file mode 100644
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index 000000000..e51bafd3d
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--- /dev/null
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+++ b/libnm-core/tests/certs/test-aes-256-key.pem
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@@ -0,0 +1,54 @@
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+-----BEGIN RSA PRIVATE KEY-----
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+Proc-Type: 4,ENCRYPTED
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+DEK-Info: AES-256-CBC,5FF6BD2D4E57E8933D4A6814DEF5305A
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+
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+/ZvTCE1VMQHDPx31Vn5WXSUHNc0hx4MTIwpHqWI17ohr8IiWCs5HXVfVaqrNeNEw
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++XE8Y/d55s5nkOxu6eXNMtWgjclKBGr2iMxxnODmEsUt2WcV98cPS+25o3hOfy3s
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+k3QSI0s6+74stPv3S/ByCxu8q51ffYqVw00wzPpEc4SmHEa0R7IczJKXupmDdZZM
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+1rASSBNzS5TZDBXP6S7npYQ8nHhgXTdCFO7eM3bp24B/i2o0s7+gkKrz0DkEbv9I
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+HlTsc0ANCgeZBhDJ8kvjcXDhFOqoYE/+D2VO6ZEHRsDibQ+kjpaH+DiD01/gh0N0
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|
|
+HM6GGtm3GbOyZUhw5OFz04xzcyFYo2xaqzgaZieAOcrt2s6XyPVf1gww08/HtTMR
|
||
|
|
+gLg14MUQvRXV6kPJfdu4OLZ//b6J0KnzVyLDRdOrWIj2raLWmKwQN9qv05/yskcD
|
||
|
|
+Y6x7wq3v6iZpFjDc53sslhwp2XRsoWT9X5alVspz8WvP/kqgkTdzpPFdp1vIovOQ
|
||
|
|
+kRXdzzKICDGDJUIcTL8cJ3Dv4XqNR/sVyuB4dfndzQQApbdYTDNpwX0VJDBjMkQy
|
||
|
|
+Up6aiUknxa6Cbp7b1ZfUQY8yNBAIZL+R8dmobT3nAHW61DaASHSxn+elCD2Ja/6b
|
||
|
|
+EiWikskyN6crMAv35ILr5ySsZK97ttNNmRoGFbt8bTjRd83Ie+UfH445kCKsY83x
|
||
|
|
+aDCvWm+bbV6M9rSgjhJ3bWOudiw+EBMGvSamSnS7CYnRmwq4t+4bM2sh2nYKY0qw
|
||
|
|
+-----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
|
||
|
|
|