Commit graph

195 commits

Author SHA1 Message Date
Jouni Malinen
51e3eafb68 OpenSSL: Do not accept SSL Client certificate for server
If the extended key usage of the AAA server certificate indicates
that the certificate is for client use, reject the TLS handshake.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2013-12-26 22:26:05 +02:00
Jouni Malinen
6bf61fb288 OpenSSL: Use certificates from TLS authentication in OCSP stapling
OCSP response may not include all the needed CA certificates, so use the
ones received during TLS handshake.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2013-12-26 20:50:28 +02:00
Jouni Malinen
7feff06567 Add CONFIG_CODE_COVERAGE=y option for gcov
This can be used to measure code coverage from test scripts.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-11-24 19:16:12 +02:00
Jouni Malinen
461e3ebe43 Fix and work around some MinGW compilation issues
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2013-11-20 23:12:33 +02:00
Jouni Malinen
81cbc046fe Fix compiler warning for OpenSSL without HAVE_OCSP
Commit 080585c01a added ssl_ctx outside
ifdef HAVE_OCSP block that was the only user for this.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2013-11-20 23:12:33 +02:00
Kenny Root
1d415f1fcc Android: Switch keystore to binder
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
2013-11-08 11:46:53 +02:00
Kenny Root
6dfdb80959 Android: Remove obsolete keystore path
It's not possible to get a raw private key from keystore anymore, so
this would fail every time anyway. Remove it so it doesn't confuse
anyone that looks at this code.

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
2013-11-08 11:37:48 +02:00
Kenny Root
1176ab6dd4 Android: Use keystore ENGINE for private key operations
The new keystore ENGINE is usable to perform private key operations when
we can't get the actual private key data. This is the case when hardware
crypto is enabled: the private key never leaves the hardware.

Subsequently, we need to be able to talk to OpenSSL ENGINEs that aren't
PKCS#11 or OpenSC. This just changes a few #define variables to allow us
to talk to our keystore engine without having one of those enabled and
without using a PIN.

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
2013-11-08 11:36:39 +02:00
Jouni Malinen
e7ecab4a3b Use ARRAY_SIZE() macro
Replace the common sizeof(a)/sizeof(a[0]) constructions with a more
readable version.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-10-26 17:49:05 +03:00
Jouni Malinen
a288da61b6 OpenSSL: Fix memory leak on error path
If SSL_CTX_new() fails in tls_init(), the per-SSL app-data allocation
could have been leaked when multiple TLS instances are allocated.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-10-26 15:55:24 +03:00
Jouni Malinen
01f809c7db Add AAA server domain name suffix matching constraint
The new domain_suffix_match (and domain_suffix_match2 for Phase 2
EAP-TLS) can now be used to specify an additional constraint for the
server certificate domain name. If set, one of the dNSName values (or if
no dNSName is present, one of the commonName values) in the certificate
must have a suffix match with the specified value. Suffix match is done
based on full domain name labels, i.e., "example.com" matches
"test.example.com" but not "test-example.com".

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2013-10-18 13:34:26 +03:00
Jouni Malinen
be7963b3c2 OpenSSL: Fix code indentation in OCSP processing
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2013-10-18 13:34:22 +03:00
Jouni Malinen
762c92a444 OpenSSL: Split OCSP peer_cert/peer_issuer debug output into parts
This makes it clearer which certificate was missing.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2013-09-25 14:43:58 +03:00
Jouni Malinen
d53d2596e4 Fix build with older OpenSSL versions
Check that SSL_clear_options and SSL_CTX_clear_options are defined
before using them to avoid compilation failures with older OpenSSL
versions that did not include these macros.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-06-30 12:55:52 +03:00
Jouni Malinen
080585c01a Add support for OCSP stapling to validate server certificate
When using OpenSSL with TLS-based EAP methods, wpa_supplicant can now be
configured to use OCSP stapling (TLS certificate status request) with
ocsp=1 network block parameter. ocsp=2 can be used to require valid OCSP
response before connection is allowed to continue.

hostapd as EAP server can be configured to return cached OCSP response
using the new ocsp_stapling_response parameter and an external mechanism
for updating the response data (e.g., "openssl ocsp ..." command).

This allows wpa_supplicant to verify that the server certificate has not
been revoked as part of the EAP-TLS/PEAP/TTLS/FAST handshake before
actual data connection has been established (i.e., when a CRL could not
be fetched even if a distribution point were specified).

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-06-30 01:01:15 +03:00
Paul Stewart
7c0e1e2757 tls_openssl: Store TLS context per-connection
Store context for each tls_init() caller, so events are generated for
the correct wpa_s instance. The tls_global variable is retained for
older OpenSSL implementations that may not have app-data for SSL_CTX.

Signed-hostap: Paul Stewart <pstew@chromium.org>
2013-05-10 00:22:08 +03:00
Jouni Malinen
75870c933f SAE: Replace comparison to one with crypto_bignum wrapper
Signed-hostap: Jouni Malinen <j@w1.fi>
2013-01-12 17:51:54 +02:00
Jouni Malinen
b0f6124c1c SAE: Store commit scalars as bignum instead of octet string
This avoids unnecessary bignum initialization steps during the SAE
exchange.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-01-12 17:51:54 +02:00
Jouni Malinen
b1677c393b SAE: Use more generic random bignum generation
Move the bignum comparison part into the bignum library to allow a
single implementation of rand generation for both ECC and FCC based
groups.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-01-12 17:51:54 +02:00
Jouni Malinen
2ce12789c1 Add Diffie-Hellman group definitions for MODP groups in RFC 5114
The groups 22, 23, and 24 are not based on a safe prime and generate a
prime order subgroup. As such, struct dh_group is also extended to
include the order for previously defined groups (q=(p-1)/2 since these
were based on a safe prime).

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-01-12 17:51:54 +02:00
Jouni Malinen
305fe835d4 Add more crypto_bignum_*() wrappers
These operations will be needed for SAE FCC group operations.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-01-12 17:51:54 +02:00
Jouni Malinen
cd9c2714e7 SAE: Add support for ECC group 21 (521-bit random ECP group)
In addition to the trivial change in adding the new group ientifier,
this required changes to KDF and random number generation to support
cases where the length of the prime in bits is not a multiple of eight.
The binary presentation of the value needs to be shifted so that the
unused most significant bits are the zero padding rather than the extra
bits in the end of the array.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-01-12 17:51:53 +02:00
Jouni Malinen
bf14657b9f SAE: Add support for additional ECC groups
In addition to the mandatory group 19 (256-bit random ECP group) add
support for groups 20 (384-bit), 25 (192-bit), and 26 (224-bit).

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-01-12 17:51:53 +02:00
Jouni Malinen
a55f2eef71 SAE: Use EC group context to get the group prime
Do not use the hardcoded group19_prime buffer for this to allow group
negotiation.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-01-12 17:51:53 +02:00
Jouni Malinen
ce46ec8df0 SAE: Store the group order in EC context data
This makes the SAE implementation a bit simpler by not having to build
the bignum for group order during execution.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-01-12 17:51:53 +02:00
Jouni Malinen
619c70a0b2 crypto: Add wrappers for OpenSSL BIGNUM and EC_POINT
These new crypto wrappers can be used to implement bignum and EC
operations using various crypto libraries.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-01-12 17:51:52 +02:00
Jouni Malinen
0779c227af Hide strict-aliasing warning with gcc 4.7
Signed-hostap: Jouni Malinen <j@w1.fi>
2012-11-11 20:29:20 +02:00
Jouni Malinen
4bf3910574 Move AES-CCM implementation into src/crypto
This is a generic AES CCM implementation that can be used for other
purposes than just implementing CCMP, so it fits better in a separate
file in src/crypto.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-09-09 18:07:19 +03:00
Jouni Malinen
802bc4211b Fix AES block size handling for internal cipher
AES uses the same 128-bit block size with 128, 192, 256 bit keys, so use
the fixed block size definition instead of trying to dynamically set the
block size based on key length. This fixes use of 192-bit and 256-bit
AES keys with crypto_cipher_*() API when using the internal AES
implementation.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-09-09 14:12:59 +03:00
Jouni Malinen
f90a4542b4 Share common GCM-AE and GCM-AD functionality
These operations are almost identical, so use common functions to
share the same implementation.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-09-09 13:54:33 +03:00
Jouni Malinen
77b2c81275 Add aes_gmac() as a wrapper for AES GMAC operations using GCM
This is otherwise identical to aes_gcm_ae() but does not use the
plain/crypt pointers since no data is encrypted.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-09-09 13:37:50 +03:00
Jouni Malinen
d140db6adf Add support for using 192-bit and 256-bit keys with AES-GCM
This adds 192-bit and 256-bit key support to the internal AES
implementation and extends the AES-GCM functions to accept key length to
enable longer AES key use.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-09-09 13:30:51 +03:00
Jouni Malinen
af0963fab4 Support arbitrary IV length with AES-GCM
Signed-hostap: Jouni Malinen <j@w1.fi>
2012-09-09 00:49:54 +03:00
Jouni Malinen
1cd7a5032a Move AES-GCM implementation into src/crypto
This is a generic AES GCM and GMAC implementation that can be used for
other purposes than just implementing GCMP, so it fits better in a
separate file in src/crypto.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-09-08 23:48:08 +03:00
Jouni Malinen
0121126211 Add sha256-prf.tls into libcrypto build
This was forgotten in commit ab637dcb37.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-22 11:15:55 +03:00
Jouni Malinen
c7f1791970 OpenSSL: Make fips186_2_prf() easier for static analyzers
Explicitly validate seed_len to skip memset call with zero length of
copied data at the end of the buffer. This is not really needed, but it
makes the code a bit easier for static analyzers. This is identical to
the commit a9ea17491a but for the OpenSSL
version of the function.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-19 18:54:34 +03:00
Jouni Malinen
44ec48ebfd FIPS: Remove md5-non-fips.c
Commit c9e08af24f removed the only user of
the special case MD5 use that would be allowed in FIPS mode in
tls_prf_sha1_md5(). Commit 271dbf1594
removed the file from the build, but left the implementation into the
repository. To clean things up even further, remove this functionality
completely since it is not expected to be needed for FIPS mode anymore.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-19 16:53:15 +03:00
Jouni Malinen
7f996409e7 Fix EAP-FAST with OpenSSL 1.0.1
The mechanism to figure out key block size based on ssl->read_hash
does not seem to work with OpenSSL 1.0.1, so add an alternative
mechanism to figure out the NAC key size that seems to work at
least with the current OpenSSL 1.0.1 releases.

Signed-hostap: Jouni Malinen <j@w1.fi>
intended-for: hostap-1
2012-08-17 23:55:14 +03:00
Jouni Malinen
e866f39fbe OpenSSL: Add mechanism for disabling TLS Session Ticket extension
This can be used to implement workaround for authentication servers that
do not handle TLS extensions in ClientHello properly.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-17 22:18:54 +03:00
Jouni Malinen
adb9b8edc4 OpenSSL: Silence a compiler warning with OpenSSL 0.9.7
The PKCS5_PBKDF2_HMAC_SHA1() function in OpenSSL 0.9.7 did not mark
the salt parameter const even though it was not modified. Hide the
compiler warning with a type cast when an old OpenSSL version is
used.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 22:56:19 +03:00
Jouni Malinen
26a379224c OpenSSL: Implement SHA256 HMAC functions using HMAC API
Use the OpenSSL HMAC implementation instead of the internal sha256.c
implementation of HMAC with SHA256.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 22:34:35 +03:00
Jouni Malinen
ab637dcb37 Move SHA256-based PRF function into a separate C file
This makes it easier to conditionally build in SHA256 functions based
on which TLS/crypto library is used.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 22:24:11 +03:00
Jouni Malinen
0b5e98557e FIPS: Use OpenSSL CMAC implementation instead of aes-omac1.c
Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 22:19:53 +03:00
Jouni Malinen
982bafedaf FIPS: Mix in OpenSSL RAND_bytes() into random_get_bytes()
Make sure that the OpenSSL DRBG gets used when generating
random numbers in FIPS mode.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 21:49:41 +03:00
Jouni Malinen
105f5881d5 OpenSSL: Fix crypto_hash_init() to initialize HMAC context
Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 20:39:46 +03:00
Jouni Malinen
030d062fac OpenSSL: Implement SHA1 HMAC functions using HMAC API
Use the OpenSSL HMAC implementation instead of the internal sha1.c
implementation of HMAC with SHA1.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 20:38:25 +03:00
Jouni Malinen
d6150094e0 Move SHA1-based PRF function into a separate C file
This makes it easier to conditionally build in SHA1 functions based
on which TLS/crypto library is used.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 20:26:16 +03:00
Jouni Malinen
e40c86ad27 OpenSSL: Use library function for PBKDF2 passphrase-to-PSK
Use the OpenSSL PKCS5_PBKDF2_HMAC_SHA1() function instead of the
internal implementation in sha1-pbkdf2.c.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 20:26:16 +03:00
Jouni Malinen
c9e08af24f Do not export TLS keys in FIPS mode
Only allow the TLS library keying material exporter functionality to be
used for MSK derivation with TLS-based EAP methods to avoid exporting
internal TLS keys from the library.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 19:38:15 +03:00
Jouni Malinen
68770ccd6e OpenSSL: Use internal keying material exporter when possible
Use SSL_export_keying_material() if possible, i.e., if OpenSSL is
version 1.0.1 or newer and if client random value is used first. This
allows MSK derivation with TLS-based EAP methods (apart from EAP-FAST)
without exporting the master key from OpenSSL.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 19:29:34 +03:00