If you have questions about this release, then feel free to contact us on our info@ address.
Release 4.3.0 of wolfSSL embedded TLS has bug fixes and new features including:
##### New Feature Additions
* Add --enable-libwebsockets option for support of libwebsockets build
* Updated support for NGINX 1.15.0 and added support for 1.16.1
* Add wc_scrypt_ex API which can take in iterations rather than cost
* Updates to RSA-PSS salt lengths. Macro WOLFSSL_PSS_SALT_LEN_DISCOVER allows for discovering the salt length. Passing RSA_PSS_SALT_LEN_DISCOVER value into wc_RsaPSS_Verify_ex attempts to discover salt length and can use larger salt lengths
* Additional OpenSSL compatibility API wolfSSL_CertManagerGetCerts and wolfSSL_X509_STORE_GetCerts for retrieving certificates
* Add support for 4096-bit RSA/DH operations to SP (single precision) build
* Update support for Google WebRTC to branch m79
* Adds new FREESCALE_MQX_5_0 macro for MQX 5.0 support
* Adds a CMS/PKCS#7 callback for signing SignedData raw digests enabled with macro HAVE_PKCS7_RSA_RAW_SIGN_CALLBACK and call to function wc_PKCS7_SetRsaSignRawDigestCb
* Add --disable-errorqueue feature to disable adding debug nodes to queue with --enable-opensslextra build
* After defining WOLFSSL_SHUTDOWNONCE macro the function wolfSSL_shutdown will return a specific error code of SSL_SHUTDOWN_ALREADY_DONE_E, to indicate to the application that the shutdown has already occurred
* Add AES-CCM decryption to benchmarking app bundled with wolfSSL
##### Fixes
* Fixes IAR warnings with IAR-EWARM 7.50.2
* Alignment fixes for mmCAU with AES and hashing algorithms
* Fix check for plaintext length when using Encrypt-Then-MAC
* Fix for unit tests with NGINX and debug mode
* Fix for macro names in test cases (WOLFSSL_PUBLIC_MP) and pkcs7.c (HAVE_AESCCM)
* Fix for Apache want read case with BIO retry flag
* Fix for PKCS7 streaming mode that would error rather than verify bundle
* Fix for freeing mutex for X509 and wolfSSL_EVP_PKEY_free, applies to OPENSSL_EXTRA / --enable-opensslextra builds
* Fix for encrypt then MAC when re-handshaking, encrypted handshakes change over to ETM now
* Fix for curve25519 assembly optimizations with GCC + AVX2
* Fix to hang onto certificate for retrieval if using secure renegotiation and session resumption
* Fixes case where the heap hint is created before WOLFSSL_CTX, when calling wc_LoadStaticMemory instead of wolfSSL_CTX_load_static_memory
* Fix for setting correct return value in PKCS12 parse error case
* Reset certificate extension policy count
* Fix for memcpy with TLS I/O buffers when using staticmemory pools and loading memory as WOLFMEM_IO_POOL_FIXED
* Fixes and updates for STM32 port, including additional mutex protection, AES-GCM decrypt auth tag, AES-CTR mode with CubeMX, update to OpenSTM32 project
* Fix for EVP CipherUpdate decrypt and add a test case
* DTLS fixes including; some DTLS sequence number issues in general where the sequence was incremented twice for each record and some offset values in the DTLS window checking
* Fix sp_add to handle carries properly (--enable-sp-math build)
* Additional sanity check on OCSP response decoder
* Fix for vasprintf with Solaris and AIX builds
* Fix for missing variable declaration with --enable-scep --with-libz build
* Fix for certificate date check with async build
* Sanity check on “out” length with Base64_Decode added
* Decode X.509 name - check input length for jurisdiction
* Additional sanity check on variable out index with DecodePolicyOID
* Fix for PKCS#12 PBKDF buffer size for buffer overflow
* TLS supported curve extension check curve name is in range before checking for disabled
* Sanity check for non TLS 1.3 cipher suite with TLS 1.3 connection
* Poly1305 AVX2 assembly optimization fix for carry with large input values
* Fixes for coverity report including null termination of test case strings and initialization of PKCS7 variables
* Fix for API visibility of wc_ed25519_check_key which resolves a wolfcrypt-py install issue
* Sanity check on max ALPN length accepted
* Additional sanity check when parsing CRL’s for copying the structure, fix for bounds checking
* Additional checks on error string length for debug mode and check for null termination
* ProcessPeerCerts allocating memory for exts with OPENSSL_EXTRA properly
* Clear the top bit when generating a serial number
* Sanity check that ASN date characters are valid ASCII characters
* Fix to add deterministic ECDSA and fix corner cases for add point.
* When getting the DH public key, initialize the P, G, and Pub pointers to NULL, then set that we own the DH parameters flag. This allows FreeSSL to correctly clean up the DH key.
##### Improvements/Optimizations
* Added configure error report with using invalid build of --enable-opensslextra and --enable-opensslcoexist together
* Update PKCS11 for determining key type given the private key type
* Update DoVerifyCallback to check verify param hostName and ipasc (--enable-opensslextra builds)
* additional null sanity checks on input arguments with QSH and Cryptocell builds
* Additional checks on RSA key added to the function wc_CheckRsaKey
* Updates for EBSNET support, including fseek, revised macros in settings.h, and realloc support
* MISRA-C updates for SP math code
* Update to allow compiling for pwdbased/PBKDF2 with having NO_ASN defined
* Modify KeyShare and PreSharedKey TLS 1.3 extension linked list advancement to be easier for compilers to handle
* Optimization to parsing certificate extension name strings
* Adjustment to example server -x runtime behavior when encountering an unrecoverable error case
* Remove Blake2b support from HMAC
* Adds new hash wrapper init wc_HashInit_ex and Adds new PBKDF2 API wc_PBKDF2_ex for using heap hints for custom memory pools
* Adding script to cleanup generated test files, scripts/cleanup_testfiles.sh
* Support 20-byte serial numbers and disallow 0
* sp_div improved to handle when a has less digits than d (--enable-sp-math build)
* When decoding a policy OID and turning it into a human readable string use snprintf()
* set the IV length of EVP AES GCM to 96-bits by default
* Allow adding CAs for root CA's over the wire that do not have the extended key usage cert_sign set
* Added logging messages for SendAlert call and update to send alert after verify certificate callback
* updates for synchronous OCTEON support in the Sniffer
* Rework BER to DER functions to not be recursive
* Updates to find CRL by AuthKeyId
* Add a check for subject name hash after matching AKID
* Enhancement to mp_invmod/fp_exptmod/sp_exptmod to handle more inputs
* Remove requirement for macro NO_SKID when CRL use is enabled
* Improvements on XFTELL return code and MAX_WOLFSSL_FILE_SIZE checking
* When checking if value is prime return NO in the case of the value 1
* Additional sanity checks on arrays and buffers with OCSP
##### This release of wolfSSL includes a fix for 6 security vulnerabilities.
A fix for having an additional sanity check when parsing certificate domain names was added. This fix checks that the domain name location index is not past the maximum value before setting it. The reported issue affects users that are parsing certificates and have --enable-opensslextra (macro OPENSSL_EXTRA), or build options that turn this on such as --enable-all, when building wolfSSL. The CVE associated with the fix is CVE-2019-18840.
Fix to set a limit on the maximum size of DTLS handshake messages. By default the RFC allows for handshake message sizes of up to 2^24-1 bytes long but in typical field use cases the handshake messages are not this large. Setting a maximum size limit on the handshake message helps avoid a potential DoS attack due to memory being malloc’d. The new default max size is set to handle a certificate chain length of approximately 9, 2048 bit RSA certificates. This only effects builds that have DTLS turned on and have applications that are using DTLS.
Fix for a potential hang when ECC caching is enabled (off by default) and --enable-fastmath is used. ECC caching is off by default and is turned on in builds that are using --enable-all or --enable-fpecc. This issue does not affect builds that are using the macro WOLFSSL_VALIDATE_ECC_IMPORT which turns on validating all ECC keys that are imported. To fix this potential hang case a sanity check on the input values to the internal invmod function was added.
To fix a potential fault injection attack on a wrapper function for wolfCrypt RSA signature generations an additional sanity check verifying the signature after it’s creation was added. This check is already done automatically in current versions of wolfSSL with TLS connections (internal function call of VerifyRsaSign during TLS state machine). The report only affects users making calls to the wolfCrypt function wc_SignatureGenerateHash and does not affect current TLS use cases. Thanks to Daniel Moghimi (@danielmgmi) from Worcester Polytechnic Institute for the report.
Blinding was added for DSA signing operations. The DSA signing uses the BEEA algorithm during modular inversion of the nonce which can potentially leak the nonce through side channels such as cache and power fluctuations. The fix of adding in blinding makes the DSA signing operation more resistant to side channel attacks. Users who have turned on DSA (disabled by default) and are performing signing operations should update. Note that DSA is not used in any TLS connections. Thanks to Daniel Moghimi (@danielmgmi) from Worcester Polytechnic Institute for the report.
Fix to add additional side channel cache attack resistance to the internal ECC function wc_ecc_mulmod_ex. This function by default is used with ECDSA signing operations. Users should update if performing ECDSA singing operations (server side ECC TLS connections, mutual authentication on client side) or calling wolfCrypt ECC sign functions and have the potential for outside users to perform sophisticated monitoring of the cache.Thanks to Daniel Moghimi (@danielmgmi) from Worcester Polytechnic Institute for the report.
For additional vulnerability information visit the vulnerability page at https://www.wolfssl.com/docs/security-vulnerabilities/
See INSTALL file for build instructions.
More info can be found on-line at http://wolfssl.com/wolfSSL/Docs.html
If you have questions about this release, then feel free to contact us on our info@ address.
Release 4.2.0 of wolfSSL embedded TLS has bug fixes and new features including:
##### New Feature Additions
* Over 198 OpenSSL compatibility API’s added
* Apache port added for compiling with wolfSSL using --enable-apachehttpd
* Port for using wolfSSL with OpenVSwitch
* Port for Renesas TSIP added
* Visual Studio Solution for Azure Sphere Devices (MT3620 and MT3620-mini) added to the directory IDE/VS-AZURE-SPHERE
* Addition of Coldfire MCF5441X NetBurner example to the directory IDE/M68K/
* Added support for prime checking to SP math build
* Addition of DYNAMIC_TYPE_BIGINT type for tracking mp_int allocations
* Addition of wc_ecc_get_curve_params API for getting ecc_set_type params for a curve
* Adding in TLS_SHA256_SHA256 and TLS_SHA384_SHA384 TLS1.3 cipher suites (null ciphers)
* Added in PKCS7 decryption callbacks for CMS operations
* Added handling for optional ECC parameters with PKCS7 KARI
* Addition to configure.ac for FIPS wolfRand builds
* Adding the flag WOLFSSL_LOAD_FLAG_DATE_ERR_OKAY for ignoring certificate date checks with the functions wolfSSL_CTX_load_verify_buffer_ex and wolfSSL_CTX_load_verify_locations_ex
* Support for PKCS8 keys added to the function wolfSSL_CTX_use_PrivateKey_buffer
* Support for KECCAK hashing. Build with macro WOLFSSL_HASH_FLAGS and call wc_Sha3_SetFlags(&sha, WC_HASH_SHA3_KECCAK256) before the first SHA3 update
* Addition of setting secure renegotiation at CTX level
* Addition of KDS (NXP Kinetis Design Studio) example project to directory IDE/KDS/
* Support for Encrypt-Then-MAC to TLS 1.2 and below
* Added a new build option for a TITAN session cache that can hold just over 2 million session entries (--enable-titancache)
* Synchronous Quick Assist Support for Sniffer
* Added Support for SiFive HiFive Unleashed board
* Support for Google WebRTC added in to compatibility layer build
* Additional Sniffer features; IPv6 sniffer support, Fragment chain input, Data store callback, Various statistics tweaks and other Sniffer fixes
##### Fixes
* Addition of internal content digest checks for PKCS7 SignedData message types that also have signed attributes present. Users could previously check the content digest against the messageDigest attribute, but this adds a default internal check. It’s advised that if users are not doing their own checks that they update wolfSSL version.
* A fix for BIO and base64 encoding/decoding
* A fix for memory management of CTX / WOLFSSL_METHOD pointer with staticmemory build
* A fix for detection of AES-NI support to read bit 25 from ECX
* A fix a DTLS handshake message retransmit bug corner case
* Additional fixes to coding style and uninitialized values using cppcheck tool
* Fixes for failing IAR builds, thanks to Joseph C. for the report
* Fixes for ARMv8 Poly1305 inline assembly code to compile with clang 3.5
* Fixes for esp-idf build warnings
* A fix for XSNPRINTF with mingw32 builds
* Fixes for strncpy warnings when compiling with newer versions of GCC
* A fix for using IV of all 0’s as default case with AES-NI when no IV passed in
* Fixes for types with 16 bit systems, thanks to Ralf Schlatterbeck
* Fixes for build with devcrypto/afalg and aesccm, thanks to GitHub user cotequeiroz for the report
* Fixes for addressing handling of pathLen constraint when parsing certificate chains
* A DTLS fix for alert packet injection at end of handshake
* Fixes for Poly1305 AArch64 assembly code
* A fix for memory management in error cases when adding a CA, this resolves a coverity report
* A fix for SP math for precomputation tables to not include infinity field
* Fixes for checks on defines with AVX2 and Poly1305 build
* Fixes for CubeMX HAL v1.15 with STM32F7
* A fix for TLS 1.3 to always send Key Share extension
* A fix for a potential buffer over read in TLS 1.3 DoTls13SupportedVersions, thanks to Artem for the report
##### Improvements/Optimizations
* Optimization to SP math, changing variables to const where possible. Thanks to Yair Poleg (yair.poleg@ayyeka.com) of Ayyeka for proposing static declaration of global constant variables in SP code
* Additional fuzz testing and fixes for TLS 1.3 use, including additional TLS 1.3 alert messages (PR#2440 for more information)
* Additional sanity check that ciphersuite from client hello is used in server hello response (check can be removed with the macro WOLFSSL_NO_STRICT_CIPHER_SUITE)
* Improved MMCAU performance: SHA-1 by 35%, SHA-256 by 20% and MD5 by 78%
* By default, disallow SHA-2 cipher suites from being used in TLS 1.0 and 1.1 handshakes (can be ignored with macro WOLFSSL_OLDTLS_SHA2_CIPHERSUITES)
* Optimization of export session buffer size with enable option --enable-sessionexport=nopeer
* Spelling fixes in comments and some cast warnings resolved
* Updates to abstract atoi to XATOI when used, this allows for better portability when making calls to the system function atoi for converting strings to integers
* Improvements to the STSAFE-A100 error code handling, providing better debug information
* Adding a sanity check on TLS 1.3 ticket encrypt callback
* Specialized implementations of mod exp when base is 2
##### This release of wolfSSL includes a fix for 5 security vulnerabilities.
Fix for sanity check on reading TLS 1.3 pre-shared key extension. This fixes a potential for an invalid read when TLS 1.3 and pre-shared keys is enabled. Users without TLS 1.3 enabled are unaffected. Users with TLS 1.3 enabled and HAVE_SESSION_TICKET defined or NO_PSK not defined should update wolfSSL versions. Thanks to Robert Hoerr for the report.
Fix for potential program hang when ocspstapling2 is enabled. This is a moderate level fix that affects users who have ocspstapling2 enabled(off by default) and are on the server side. In parsing a CSR2 (Certificate Status Request v2 ) on the server side, there was the potential for a malformed extension to cause a program hang. Thanks to Robert Hoerr for the report.
Two moderate level fixes involving an ASN.1 over read by one byte. CVE-2019-15651 is for a fix that is due to a potential one byte over read when decoding certificate extensions. CVE-2019-16748 is for a fix on a potential one byte overread with checking certificate signatures. This affects builds that do certificate parsing and do not have the macro NO_SKID defined.Thanks to Yan Jia and the researcher team from Institute of Software, Chinese Academy of Sciences for the report.
High level fix for DSA operations involving an attack on recovering DSA private keys. This fix affects users that have DSA enabled and are performing DSA operations (off by default). All users that have DSA enabled and are using DSA keys are advised to regenerate DSA keys and update wolfSSL version. ECDSA is NOT affected by this and TLS code is NOT affected by this issue. Thanks to Ján Jančár for the report.
For additional vulnerability information visit the vulnerability page at https://www.wolfssl.com/docs/security-vulnerabilities/
See INSTALL file for build instructions.
More info can be found on-line at http://wolfssl.com/wolfSSL/Docs.html
Release 4.1.0 of wolfSSL embedded TLS has bug fixes and new features including:
* A fix for the check on return value when verifying PKCS7 bundle signatures, all users with applications using the function wc_PKCS7_VerifySignedData should update
* Adding the function wc_PKCS7_GetSignerSID for PKCS7 firmware bundles as a getter function for the signers SID
* PKCS7 callback functions for unwrapping of CEK and for decryption
* Adding the error value PKCS7_SIGNEEDS_CHECK when no certificates are available in a PKCS7 bundle to verify the signature
* TLS 1.3 fixes including if major version is TLS Draft then it is now ignored and if version negotiation occurs but none were matched then an alert is now sent
* Addition of the WOLFSSL_PSK_ONE_ID macro for indicating that only one identity in TLS 1.3 PSK is available and will be cached
* Adding sanity checks on length of PSK identity from a TLS 1.3 pre-shared key extension
* Additional sanity checks and alert messages added for TLS 1.3
* Adding XTIME_MS macro to simplify the tls13.c time requirement
* Improvements and refactoring of code related to parsing and creating TLS 1.3 client hello packets
* TLS 1.3 version renegotiation now happens before interpreting ClientHello message
* Chacha20 algorithm optimizations on the ARM architecture for performance increase
* Poly1305 algorithm performance enhancements for the ARM architecture using the SIMD NEON extension
* Curve25519 and Ed25519 optimized for ARM architecture for performance increase
* SHA-512/384 optimizations for performance with ARM architecture using the SIMD NEON extension
* Sniffer updates including adding support for the null cipher and static ECDH key exchange and new SSLWatchCb callback
* Cipher suite TLS_RSA_WITH_NULL_MD5 for use with the sniffer (off by default)
* Sniffer statistic print outs with the macro WOLFSSL_SNIFFER_STATS defined
* A fix for wolfSSL_DH_generate_key when WOLFSSL_SMALL_STACK is defined
* wolfSSL_BN_Init implementation for opensslextra builds
* Updates to the function wolfSSL_i2d_RSAPrivateKey and additional automated tests
* Fixes for EVP_CipherFinal edge cases to match behavior desired
* Check for appropriate private vs public flag with ECC key decode in wolfSSL_EC_KEY_LoadDer_ex, thanks to Eric Miller for the report
* Implementation of the function wolfSSL_PEM_write_DHparams
* wolfSSL_RAND_seed is called in wolfSSL_Init now when opensslextra is enabled
* CryptoCell-310 support on nRF52840 added
* Fixes for atmel_ecc_create_pms to free the used slot.
* Fixes for building ATECC with ATCAPRINTF or WOLFSSL_PUBLIC_MP
* Cortex-M code changes to support IAR compiler
* Improvements to STM32 AES-GCM performance
* Fixes for 16-bit systems including PK callbacks, ATECC and LowResTimer function ptoto.
* IAR-EWARM compiler warning fix
* Clean up of user_settings for CS+ port
* Updating Renesas example projects to the latest version
* Micrium updates adjusting STATIC macro name and added inline flag
* Fixes for building with WOLFSSL_CUSTOM_CURVES on Windows
* Updates and refactor to the default build settings with Arduino
* Fixes for visibility tags with Cygwin build
* STSAFE Improvements to support wolfSSL Crypto Callbacks
* Improvements to NetBSD builds and mutex use in test case
* Updating TI hardware offload with WOLFSSL_TI_CRYPT build
* Maintaining Xilinx FreeRTOS port by adjusting time.h include in wolfSSL
* SiFive HiFive E31 RISC‐V core family port
* Port for Telit IoT AppZone SDK
* OCSP Response signed by issuer with identical SKID fix
* Fix for sending revoked certificate with OCSP
* Honor the status sent over connection with peers and do not perform an internal OCSP lookup
* Adding the build flag `--enable-ecccustcurves=all` to enable all curve types
* Support add for Ed25519ctx and Ed25519ph sign/verify algorithms as per RFC 8032
* Addition of the macro WOLFSSL_NO_SIGALG to disable signature algorithms extension
* wc_AesCtrEncrypt in place addition, where input and output buffer can be the same buffer
* Single shot API added for SHA3; wc_Sha3_224Hash, wc_Sha3_256Hash, wc_Sha3_384Hash, wc_Sha3_512Hash
* Function additions for JSSE support some of which are wolfSSL_get_ciphers_iana and wolfSSL_X509_verify along with expansion of the --enable-jni option
* Macro guards for more modular SHA3 build (i.e. support for 384 size only)
* Benchmarking -thread <num> argument support for asynchronous crypto
* Blake2s support (--enable-blake2s), which provides 32-bit Blake2 support
* Macro SHA256_MANY_REGISTERS addition to potentially speed up SHA256 depending on architecture
* Additional TLS alert messages sent with the macro WOLFSSL_EXTRA_ALERTS defined
* Feature to fail resumption of a session if the session’s cipher suite is not in the client’s list, this can be overridden by defining the macro NO_RESUME_SUITE_CHECK
* Fallback SCSV (Signaling Cipher Suite Value) support on Server only (--enable-fallback-scsv)
* DTLS export state only (wolfSSL_dtls_export_state_only) which is a subset of the information exported from previous DTLS export function
* Function wc_DhCheckPubValue added to perform simple validity checks on DH keys
* Support for RSA SHA-224 signatures with TLS added
* Additional option “-print” to the benchmark app for printing out a brief summary after benchmarks are complete
* Adding (--disable-pkcs12) option and improvements for disabled sections in pwdbased.c, asn.c, rsa.c, pkcs12.c and wc_encrypt
* Added DES3 support to the wolfSSL crypto callbacks
* Compile time fixes for build case with SP math and RSA only
* Fixes for Coverity static analysis report including explicit initialization of reported stack variables some additional Coverity fixes added thanks to Martin
* Fixes for scan build warnings (i.e possible null dereference in ecc.c)
* Resetting verify send value with a call to wolfSSL_clear function
* Fix for extern with sp_ModExp_2048 when building with --cpp option
* Fix for typo issue with --enable-sp=cortexm
* Adding #pragma warning disable 4127 for tfm.c when building with Visual Studio
* Improvements to the maximum ECC signature calculations
* Improvements to TLS write handling in error cases which helps user application not go through with a wolfSSL_write attempt after a wolfSSL_read failure
* Fix for read directory functions with Windows (wc_ReadDirFirst and wc_ReadDirNext)
* Sanity check on index before accessing domain component buffer in call to wolfSSL_X509_NAME_get_entry
* Sending fatal alert from client side on version error
* Fix for static RSA cipher suite with PK callback and no loaded private key
* Fix for potential memory leak in error case with the function wc_DsaKeyToDer, thanks to Chris H. for the report
* Adjusting STRING_USER macro to remove includes of standard lib <string.h> or <stdio.h>
* Bug fix for checking wrong allocation assignment in the function wc_PBKDF2 and handling potential leak on allocation failure. This case is only hit when the specific call to malloc fails in the function wc_PBKDF2. Thanks to Robert Altnoeder (Linbit) for the report
* Improved length checks when parsing ASN.1 certificates
* extern "C" additions to header files that were missing them
* Improved checking of return values with TLS extension functions and error codes
* Removing redundant calls to the generate function when instantiating and reseeding DRBG
* Refactoring and improvements to autoconf code with consolidating AM_CONDITIONAL statements
* Improvements for handling error return codes when reading input from transport layer
* Improvements to efficiency of SNI extension parsing and error checking with ALPN parsing
* Macro WOLFSSL_DEBUG_TLS addition for printing out extension data being parsed during a TLS connection
* Adjustment of prime testing with --disable-fastmath builds
This release of wolfSSL includes a fix for 2 security vulnerabilities.
There is a fix for a potential buffer overflow case with the TLSv1.3 PSK extension parsing. This affects users that are enabling TLSv1.3 (--enable-tls13). Thanks to Robert Hoerr for the report. The CVE associated with the report is CVE-2019-11873.
There is a fix for the potential leak of nonce sizes when performing ECDSA signing operations. The leak is considered to be difficult to exploit but it could potentially be used maliciously to perform a lattice based timing attack against previous wolfSSL versions. ECC operations with --enable-sp and --enable-sp-asm are not affected, users with private ECC keys in other builds that are performing ECDSA signing operations should update versions of wolfSSL along with private ECC keys. Thanks to Ján Jančár from Masaryk University for the report.
Release 3.15.7 of wolfSSL embedded TLS has bug fixes and new features including:
* Support for Espressif ESP-IDF development framework
* Fix for XCode build with iPhone simulator on i386
* PKCS7 support for generating and verify bundles using a detached signature
* Fix for build disabling AES-CBC and enabling opensslextra compatibility layer
* Updates to sniffer for showing session information and handling split messages across records
* Port update for Micrium uC/OS-III
* Feature to adjust max fragment size post handshake when compiled with the macro WOLFSSL_ALLOW_MAX_FRAGMENT_ADJUST
* Adding the macro NO_MULTIBYTE_PRINT for compiling out special characters that embedded devices may have problems with
* Updates for Doxygen documentation, including PKCS #11 API and more
* Adding Intel QuickAssist v1.7 driver support for asynchronous crypto
* Adding Intel QuickAssist RSA key generation and SHA-3 support
* RSA verify only (--enable-rsavfy) and RSA public only (--enable-rsapub) builds added
* Enhancements to test cases for increased code coverage
* Updates to VxWorks port for use with Mongoose, including updates to the OpenSSL compatibility layer
* Yocto Project ease of use improvements along with many updates and build instructions added to the INSTALL file
* Maximum ticket nonce size was increased to 8
* Updating --enable-armasm build for ease of use with autotools
* Updates to internal code checking TLS 1.3 version with a connection
* Removing unnecessary extended master secret from ServerHello if using TLS 1.3
* Fix for TLS v1.3 HelloRetryRequest to be sent immediately and not grouped
This release of wolfSSL includes a fix for 1 security vulnerability.
Medium level fix for potential cache attack with a variant of Bleichenbacher’s attack. Earlier versions of wolfSSL leaked PKCS #1 v1.5 padding information during private key decryption that could lead to a potential padding oracle attack. It is recommended that users update to the latest version of wolfSSL if they have RSA cipher suites enabled and have the potential for malicious software to be ran on the same system that is performing RSA operations. Users that have only ECC cipher suites enabled and are not performing RSA PKCS #1 v1.5 Decryption operations are not vulnerable. Also users with TLS 1.3 only connections are not vulnerable to this attack. Thanks to Eyal Ronen (Weizmann Institute), Robert Gillham (University of Adelaide), Daniel Genkin (University of Michigan), Adi Shamir (Weizmann Institute), David Wong (NCC Group), and Yuval Yarom (University of Adelaide and Data61) for the report.
The paper for further reading on the attack details can be found at http://cat.eyalro.net/cat.pdf.
See INSTALL file for build instructions.
More info can be found on-line at http://wolfssl.com/wolfSSL/Docs.html
Release 3.15.5 of wolfSSL embedded TLS has bug fixes and new features including:
* Fixes for GCC-8 warnings with strings
* Additional compatibility API’s added, including functions like wolfSSL_X509_CA_num and wolfSSL_PEM_read_X509_CRL
* Fixes for OCSP use with NGINX port
* Renamed the macro INLINE to WC_INLINE for inline functions
* Doxygen updates and formatting for documentation generation
* Added support for the STM32L4 with AES/SHA hardware acceleration
* Adds checking for critical extension with certificate Auth ID and the macro WOLFSSL_ALLOW_CRIT_SKID to override the check
* Added public key callbacks to ConfirmSignature function to expand public key callback support
* Added ECC and Curve25519 key generation callback support
* Fix for memory management with wolfSSL_BN_hex2bn function
* Added support for dynamic allocation of PKCS7 structure using wc_PKCS7_New and wc_PKCS7_Free
* Port to apache mynewt added in the directory wolfssl-3.15.5/IDE/mynewt/*
* OCSP stapling in TLS 1.3 additions
* Port for ASIO added with --enable-asio configure flag
* Contiki port added with macro WOLFSSL_CONTIKI
* Memory free optimizations with adding in earlier free’s where possible
* Made modifications to the primality testing so that the Miller-Rabin tests check against up to 40 random numbers rather than a fixed list of small primes
* Certificate validation time generation updated
* Fixes for MQX classic 4.0 with IAR-EWARM
* Fix for assembly optimized version of Curve25519
* Make SOCKET_PEER_CLOSED_E consistent between read and write cases
* Relocate compatibility layer functions for OpenSSH port update
* Update to Intel® SGX port, files included by Windows version and macros defined when using WOLFSSL_SGX
* Updates to Nucleus version supported
* Stack size reduction with smallstack build
* Updates to Rowley-Crossworks settings for CMSIS 4
* Added reference STSAFE-A100 public key callbacks for TLS support
* Added reference ATECC508A/ATECC608A public key callbacks for TLS support
* Updated support for latest CryptoAuthLib (10/25/2018)
* Added a wolfSSL static library project for Atollic TrueSTUDIO
* Flag to disable AES-CBC and have only AEAD cipher suites with TLS
* AF_ALG and cryptodev-linux crypto support added
* Update to IO callbacks with use of WOLFSSL_BIO
* Additional support for parsing certificate subject OIDs (businessCategory, jurisdiction of incorporation country, and jurisdiction of incorporation state)
* Added wc_ecc_ecport_ex and wc_export_inti API's for ECC hex string exporting
* Updates to XCODE build with wolfSSL
* Fix for guard on when to include sys/time.h header
Release 3.15.3 of wolfSSL embedded TLS has bug fixes and new features including:
* ECDSA blinding added for hardening against side channel attacks
* Fix for compatibility layer build with no server and no client defined
* Use of optimized Intel assembly instructions on compatible AMD processor
* wolfCrypt Nucleus port additions
* Fix added for MatchDomainName and additional tests added
* Fixes for building with ‘WOLFSSL_ATECC508A’ defined
* Fix for verifying a PKCS7 file in BER format with indefinite size
This release of wolfSSL fixes 2 security vulnerability fixes.
Medium level fix for PRIME + PROBE attack combined with a variant of Lucky 13. Constant time hardening was done to avoid potential cache-based side channel attacks when verifying the MAC on a TLS packet. CBC cipher suites are susceptible on systems where an attacker could gain access and run a parallel program for inspecting caching. Only wolfSSL users that are using TLS/DTLS CBC cipher suites need to update. Users that have only AEAD and stream cipher suites set, or have built with WOLFSSL_MAX_STRENGTH (--enable-maxstrength), are not vulnerable. Thanks to Eyal Ronen, Kenny Paterson, and Adi Shamir for the report.
Medium level fix for a ECDSA side channel attack. wolfSSL is one of over a dozen vendors mentioned in the recent Technical Advisory “ROHNP” by author Ryan Keegan. Only wolfSSL users with long term ECDSA private keys using our fastmath or normal math libraries on systems where attackers can get access to the machine using the ECDSA key need to update. An attacker gaining access to the system could mount a memory cache side channel attack that could recover the key within a few thousand signatures. wolfSSL users that are not using ECDSA private keys, that are using the single precision math library, or that are using ECDSA offloading do not need to update. (blog with more information https://www.wolfssl.com/wolfssh-and-rohnp/)
See INSTALL file for build instructions.
More info can be found on-line at http://wolfssl.com/wolfSSL/Docs.html
* Fix for DN tag strings to have “=” when returning the string value to users.
* Fix for wolfSSL_ERR_get_error_line_data return value if no more errors are in the queue.
* Fix for AES-CBC IV value with PIC32 hardware acceleration.
* Fix for wolfSSL_X509_print with ECC certificates.
* Fix for strict checking on URI absolute vs relative path.
* Added crypto device framework to handle PK RSA/ECC operations using callbacks, which adds new build option `./configure --enable-cryptodev` or `WOLF_CRYPTO_DEV`.
* Added devId support to ECC and PKCS7 for hardware based private key.
* Fixes in PKCS7 for handling possible memory leak in some error cases.
* Added test for invalid cert common name when set with `wolfSSL_check_domain_name`.
* Refactor of the cipher suite names to use single array, which contains internal name, IANA name and cipher suite bytes.
* Added new function `wolfSSL_get_cipher_name_from_suite` for getting IANA cipher suite name using bytes.
* Fixes for fsanitize reports.
* Fix for openssl compatibility function `wolfSSL_RSA_verify` to check returned size.
* Fixes and improvements for FreeRTOS AWS.
* Fixes for building openssl compatibility with FreeRTOS.
* Fix and new test for handling match on domain name that may have a null terminator inside.
* Cleanup of the socket close code used for examples, CRL/OCSP and BIO to use single macro `CloseSocket`.
* Refactor of the TLSX code to support returning error codes.
* Added new signature wrapper functions `wc_SignatureVerifyHash` and `wc_SignatureGenerateHash` to allow direct use of hash.
* Improvement to GCC-ARM IDE example.
* Enhancements and cleanups for the ASN date/time code including new API's `wc_GetDateInfo`, `wc_GetCertDates` and `wc_GetDateAsCalendarTime`.
* Fixes to resolve issues with C99 compliance. Added build option `WOLF_C99` to force C99.
* Added a new `--enable-opensslall` option to enable all openssl compatibility features.
* Added new `--enable-webclient` option for enabling a few HTTP API's.
* Added new `wc_OidGetHash` API for getting the hash type from a hash OID.
* Moved `wolfSSL_CertPemToDer`, `wolfSSL_KeyPemToDer`, `wolfSSL_PubKeyPemToDer` to asn.c and renamed to `wc_`. Added backwards compatibility macro for old function names.
* Added new `WC_MAX_SYM_KEY_SIZE` macro for helping determine max key size.
* Added `--enable-enckeys` or (`WOLFSSL_ENCRYPTED_KEYS`) to enable support for encrypted PEM private keys using password callback without having to use opensslextra.
* Added ForceZero on the password buffer after done using it.
* Refactor unique hash types to use same internal values (ex WC_MD5 == WC_HASH_TYPE_MD5).
* Refactor the Sha3 types to use `wc_` naming, while retaining old names for compatibility.
* Improvements to `wc_PBKDF1` to support more hash types and the non-standard extra data option.
* Fix TLS 1.3 with ECC disabled and CURVE25519 enabled.
* Added new define `NO_DEV_URANDOM` to disable the use of `/dev/urandom`.
* Added `WC_RNG_BLOCKING` to indicate block w/sleep(0) is okay.
* Fix for `HAVE_EXT_CACHE` callbacks not being available without `OPENSSL_EXTRA` defined.
* Fix for ECC max bits `MAX_ECC_BITS` not always calculating correctly due to macro order.
* Added support for building and using PKCS7 without RSA (assuming ECC is enabled).
* Fixes and additions for Cavium Nitrox V to support ECC, AES-GCM and HMAC (SHA-224 and SHA3).
* Enabled ECC, AES-GCM and SHA-512/384 by default in (Linux and Windows)
* Added `./configure --enable-base16` and `WOLFSSL_BASE16` configuration option to enable Base16 API's.
* Improvements to ATECC508A support for building without `WOLFSSL_ATMEL` defined.
* Refactor IO callback function names to use `_CTX_` to eliminate confusion about the first parameter.
* Added support for not loading a private key for server or client when `HAVE_PK_CALLBACK` is defined and the private PK callback is set.
* Added new ECC API `wc_ecc_sig_size_calc` to return max signature size for a key size.
* Cleanup ECC point import/export code and added new API `wc_ecc_import_unsigned`.
* Fixes for handling OCSP with non-blocking.
* Added new PK (Primary Key) callbacks for the VerifyRsaSign. The new callbacks API's are `wolfSSL_CTX_SetRsaVerifySignCb` and `wolfSSL_CTX_SetRsaPssVerifySignCb`.
* Added new ECC API `wc_ecc_rs_raw_to_sig` to take raw unsigned R and S and encodes them into ECDSA signature format.
* Added support for `WOLFSSL_STM32F1`.
* Cleanup of the ASN X509 header/footer and XSTRNCPY logic.
* Add copyright notice to autoconf files. (Thanks Brian Aker!)
* Updated the M4 files for autotools. (Thanks Brian Aker!)
* Add support for the cipher suite TLS_DH_anon_WITH_AES256_GCM_SHA384 with test cases. (Thanks Thivya Ashok!)
* Add the TLS alert message unknown_psk_identity (115) from RFC 4279, section 2. (Thanks Thivya Ashok!)
* Fix the case when using TCP with timeouts with TLS. wolfSSL shall be agnostic to network socket behavior for TLS. (DTLS is another matter.) The functions `wolfSSL_set_using_nonblock()` and `wolfSSL_get_using_nonblock()` are deprecated.
* Hush the AR warning when building the static library with autotools.
* Hush the “-pthread” warning when building in some environments.
* Added a dist-hook target to the Makefile to reset the default options.h file.
* Removed the need for the darwin-clang.m4 file with the updates provided by Brian A.
* Renamed the AES assembly file so GCC on the Mac will build it using the preprocessor.
* Add a disable option (--disable-optflags) to turn off the default optimization flags so user may supply their own custom flags.
* Many additions to the OpenSSL compatibility layer were made in this release. Some of these being enhancements to PKCS12, WOLFSSL_X509 use, WOLFSSL_EVP_PKEY, and WOLFSSL_BIO operations
* AVX1 and AVX2 performance improvements with ChaCha20 and Poly1305
* Added i.MX CAAM driver support with Integrity OS support
* Improvements to logging with debugging, including exposing more API calls and adding options to reduce debugging code size
* Fix for signature type detection with PKCS7 RSA SignedData
* Public key call back functions added for DH Agree
* RSA-PSS API added for operating on non inline buffers (separate input and output buffers)
* API added for importing and exporting raw DSA parameters
* Updated DSA key generation to be FIPS 186-4 compliant
* Fix for wolfSSL_check_private_key when comparing ECC keys
* Support for AES Cipher Feedback(CFB) mode added
* Updated RSA key generation to be FIPS 186-4 compliant
* Update added for the ARM CMSIS software pack
* WOLFSSL_IGNORE_FILE_WARN macro added for avoiding build warnings when not working with autotools
* Performance improvements for AES-GCM with AVX1 and AVX2
* Fix for possible memory leak on error case with wc_RsaKeyToDer function
* Make wc_PKCS7_PadData function available
* Updates made to building SGX on Linux
* STM32 hashing algorithm improvements including clock/power optimizations and auto detection of if SHA2 is supported
* Update static memory feature for FREERTOS use
* Reverse the order that certificates are compared during PKCS12 parse to account for case where multiple certificates have the same matching private key
* Update NGINX port to version 1.13.8
* Support for HMAC-SHA3 added
* Added stricter ASN checks to enforce RFC 5280 rules. Thanks to the report from Professor Zhenhua Duan, Professor Cong Tian, and Ph.D candidate Chu Chen from Institute of Computing Theory and Technology (ICTT) of Xidian University.
* Option to have ecc_mul2add function public facing
* Getter function wc_PKCS7_GetAttributeValue added for PKCS7 attributes
* Macros NO_AES_128, NO_AES_192, NO_AES_256 added for AES key size selection at compile time
* Support for writing multiple organizations units (OU) and domain components (DC) with CSR and certificate creation
* Support for indefinite length BER encodings in PKCS7
* Added API for additional validation of prime q in a public DH key
* Added support for RSA encrypt and decrypt without padding
See INSTALL file for build instructions.
More info can be found on-line at http://wolfssl.com/wolfSSL/Docs.html
## Release 3.12.2 of wolfSSL has bug fixes and new features including:
This release includes many performance improvements with Intel ASM (AVX/AVX2) and AES-NI. New single precision math option to speedup RSA, DH and ECC. Embedded hardware support has been expanded for STM32, PIC32MZ and ATECC508A. AES now supports XTS mode for disk encryption. Certificate improvements for setting serial number, key usage and extended key usage. Refactor of SSL_ and hash types to allow openssl coexistence. Improvements for TLS 1.3. Fixes for OCSP stapling to allow disable and WOLFSSL specific user context for callbacks. Fixes for openssl and MySQL compatibility. Updated Micrium port. Fixes for asynchronous modes.
* Added TLS extension for Supported Point Formats (ec_point_formats)
* Fix to not send OCSP stapling extensions in client_hello when not enabled
* Added new API's for disabling OCSP stapling
* Add check for SIZEOF_LONG with sun and LP64
* Fixes for various TLS 1.3 disable options (RSA, ECC and ED/Curve 25519).
* Fix to disallow upgrading to TLS v1.3
* Fixes for wolfSSL_EVP_CipherFinal() when message size is a round multiple of a block size.
* Add HMAC benchmark and expanded AES key size benchmarks
* Added simple GCC ARM Makefile example
* Add tests for 3072-bit RSA and DH.
* Fixed DRAFT_18 define and fixed downgrading with TLS v1.3
* Fixes to allow custom serial number during certificate generation
* Add method to get WOLFSSL_CTX certificate manager
* Improvement to `wolfSSL_SetOCSP_Cb` to allow context per WOLFSSL object
* Alternate certificate chain support `WOLFSSL_ALT_CERT_CHAINS`. Enables checking cert against multiple CA's.
* Added new `--disable-oldnames` option to allow for using openssl along-side wolfssl headers (without OPENSSL_EXTRA).
* Refactor SSL_ and hashing types to use wolf specific prefix (WOLFSSL and WC_) to allow openssl coexistence.
* Fixes for HAVE_INTEL_MULX
* Cleanup include paths for MySQL cmake build
* Added configure option for building library for wolfSSH (--enable-wolfssh)
* Openssl compatibility layer improvements
* Expanded API unit tests
* Fixes for STM32 crypto hardware acceleration
* Added AES XTS mode (--enable-xts)
* Added ASN Extended Key Usage Support (see wc_SetExtKeyUsage).
* Math updates and added TFM_MIPS speedup.
* Fix for creation of the KeyUsage BitString
* Fix for 8k keys with MySQL compatibility
* Fixes for ATECC508A.
* Fixes for PIC32MZ hashing.
* Fixes and improvements to asynchronous modes for Intel QuickAssist and Cavium Nitrox V.
* Update HASH_DRBG Reseed mechanism and add test case
* Rename the file io.h/io.c to wolfio.h/wolfio.c
* Cleanup the wolfIO_Send function.
* OpenSSL Compatibility Additions and Fixes
* Improvements to Visual Studio DLL project/solution.
* Added function to generate public ECC key from private key
* Added async blocking support for sniffer tool.
* Added wolfCrypt hash tests for empty string and large data.
* Added ability to use of wolf implementation of `strtok` using `USE_WOLF_STRTOK`.
* Updated Micrium uC/OS-III Port
* Updated root certs for OCSP scripts
* New Single Precision math option for RSA, DH and ECC (off by default). See `--enable-sp`.
* Speedups for AES GCM with AESNI (--enable-aesni)
* Speedups for SHA2, ChaCha20/Poly1035 using AVX/AVX2
- Fixes for compiling wolfSSL with GCC version 7, most dealing with switch statement fall through warnings.
- Added warning when compiling without hardened math operations
Note:
There is a known issue with using ChaCha20 AVX assembly on versions of GCC earlier than 5.2. This is encountered with using the wolfSSL enable options --enable-intelasm and --enable-chacha. To avoid this issue ChaCha20 can be enabled with --enable-chacha=noasm.
If using --enable-intelasm and also using --enable-sha224 or --enable-sha256 there is a known issue with trying to use -fsanitize=address.
This release of wolfSSL fixes 1 low level security vulnerability.
Low level fix for a potential DoS attack on a wolfSSL client. Previously a client would accept many warning alert messages without a limit. This fix puts a limit to the number of warning alert messages received and if this limit is reached a fatal error ALERT_COUNT_E is returned. The max number of warning alerts by default is set to 5 and can be adjusted with the macro WOLFSSL_ALERT_COUNT_MAX. Thanks for the report from Tarun Yadav and Koustav Sadhukhan from Defence Research and Development Organization, INDIA.
See INSTALL file for build instructions.
More info can be found on-line at http://wolfssl.com/wolfSSL/Docs.html
## Release 3.11.0 of wolfSSL has bug fixes and new features including:
- Code updates for warnings reported by Coverity scans
- Testing and warning fixes for FreeBSD on PowerPC
- Updates and refactoring done to ASN1 parsing functions
- Change max PSK identity buffer to account for an identity length of 128 characters
- Update Arduino script to handle recent files and additions
- Added support for PKCS#7 Signed Data with ECDSA
- Fix for interoperability with ChaCha20-Poly1305 suites using older draft versions
- DTLS update to allow multiple handshake messages in one DTLS record. Thanks to Eric Samsel over at Welch Allyn for reporting this bug.
- Intel QuickAssist asynchronous support (PR #715 - https://www.wolfssl.com/wolfSSL/Blog/Entries/2017/1/18_wolfSSL_Asynchronous_Intel_QuickAssist_Support.html)
- Added support for HAproxy load balancer
- Added option to allow SHA1 with TLS 1.2 for IIS compatibility (WOLFSSL_ALLOW_TLS_SHA1)
- Added Curve25519 51-bit Implementation, increasing performance on systems that have 128 bit types
- Fix to not send session ID on server side if session cache is off unless we're echoing
session ID as part of session tickets
- Fixes for ensuring all default ciphers are setup correctly (see PR #830)
- Added NXP Hexiwear example in `IDE/HEXIWEAR`.
- Added wolfSSL_write_dup() to create write only WOLFSSL object for concurrent access
- Fixes for TLS elliptic curve selection on private key import.
- Fixes for RNG with Intel rdrand and rdseed speedups.
- Improved performance with Intel rdrand to use full 64-bit output
- Added new --enable-intelrand option to indicate use of RDRAND preference for RNG source
- Removed RNG ARC4 support
- Added ECC helpers to get size and id from curve name.
- Added ECC Cofactor DH (ECC-CDH) support
- Added ECC private key only import / export functions.
- Added PKCS8 create function
- Improvements to TLS layer CTX handling for switching keys / certs.
- Added check for duplicate certificate policy OID in certificates.
- Normal math speed-up to not allocate on mp_int and defer until mp_grow
- Reduce heap usage with fast math when not using ALT_ECC_SIZE
- Fixes for building CRL with Windows
- Added support for inline CRL lookup when HAVE_CRL_IO is defined
- Added port for tenAsys INtime RTOS
- Improvements to uTKernel port (WOLFSSL_uTKERNEL2)
- Updated WPA Supplicant support
- Added support for Nginx
- Update stunnel port for version 5.40
- Fixes for STM32 hardware crypto acceleration
- Extended test code coverage in bundled test.c
- Added a sanity check for minimum authentication tag size with AES-GCM. Thanks to Yueh-Hsun Lin and Peng Li at KNOX Security at Samsung Research America for suggesting this.
- Added a sanity check that subject key identifier is marked as non-critical and a check that no policy OIDS appear more than once in the cert policies extension. Thanks to the report from Professor Zhenhua Duan, Professor Cong Tian, and Ph.D candidate Chu Chen from Institute of Computing Theory and Technology (ICTT) of Xidian University, China. Profs. Zhenhua Duan and Cong Tian are supervisors of Ph.D candidate Chu Chen.
This release of wolfSSL fixes 5 low and 1 medium level security vulnerability.
3 Low level fixes reported by Yueh-Hsun Lin and Peng Li from KNOX Security, Samsung Research America.
- Fix for out of bounds memory access in wc_DhParamsLoad() when GetLength() returns a zero. Before this fix there is a case where wolfSSL would read out of bounds memory in the function wc_DhParamsLoad.
- Fix for DH key accepted by wc_DhAgree when the key was malformed.
- Fix for a double free case when adding CA cert into X509_store.
Low level fix for memory management with static memory feature enabled. By default static memory is disabled. Thanks to GitHub user hajjihraf for reporting this.
Low level fix for out of bounds write in the function wolfSSL_X509_NAME_get_text_by_NID. This function is not used by TLS or crypto operations but could result in a buffer out of bounds write by one if called explicitly in an application. Discovered by Aleksandar Nikolic of Cisco Talos. http://talosintelligence.com/vulnerability-reports/
Medium level fix for check on certificate signature. There is a case in release versions 3.9.10, 3.10.0 and 3.10.2 where a corrupted signature on a peer certificate would not be properly flagged. Thanks to Wens Lo, James Tsai, Kenny Chang, and Oscar Yang at Castles Technology.
See INSTALL file for build instructions.
More info can be found on-line at http://wolfssl.com/wolfSSL/Docs.html
## Release 3.10.2 of wolfSSL has bug fixes and new features including:
- Poly1305 Windows macros fix. Thanks to GitHub user Jay Satiro
- Compatibility layer expanded with multiple functions added
- Improve fp_copy performance with ALT_ECC_SIZE
- OCSP updates and improvements
- Fixes for IAR EWARM 8 compiler warnings
- Reduce stack usage with ECC_CACHE_CURVE disabled
- Added ECC export raw for public and private key
- Fix for NO_ASN_TIME build
- Supported curves extensions now populated by default
- Add DTLS build without big integer math
- Fix for static memory feature with wc_ecc_verify_hash_ex and not SHAMIR
- Added PSK interoperability testing to script bundled with wolfSSL
- Fix for Python wrapper random number generation. Compiler optimizations with Python could place the random number in same buffer location each time. Thanks to GitHub user Erik Bray (embray)
- Fix for tests on unaligned memory with static memory feature
- Add macro WOLFSSL_NO_OCSP_OPTIONAL_CERTS to skip optional OCSP certificates
- Sanity checks on NULL arguments added to wolfSSL_set_fd and wolfSSL_DTLS_SetCookieSecret
- mp_jacobi stack use reduced, thanks to Szabi Tolnai for providing a solution to reduce stack usage
This release of wolfSSL fixes 2 low and 1 medium level security vulnerability.
Low level fix of buffer overflow for when loading in a malformed temporary DH file. Thanks to Yueh-Hsun Lin and Peng Li from KNOX Security, Samsung Research America for the report.
Medium level fix for processing of OCSP response. If using OCSP without hard faults enforced and no alternate revocation checks like OCSP stapling then it is recommended to update.
Low level fix for potential cache attack on RSA operations. If using wolfSSL RSA on a server that other users can have access to monitor the cache, then it is recommended to update wolfSSL. Thanks to Andreas Zankl, Johann Heyszl and Georg Sigl at Fraunhofer AISEC for the initial report.
See INSTALL file for build instructions.
More info can be found on-line at http://wolfssl.com/wolfSSL/Docs.html
## Release 3.10.0 of wolfSSL has bug fixes and new features including:
- Added support for SHA224
- Added scrypt feature
- Build for Intel SGX use, added in directory IDE/WIN-SGX
- Fix for ChaCha20-Poly1305 ECDSA certificate type request
- Enhance PKCS#7 with ECC enveloped data and AES key wrap support
- Added support for RIOT OS
- Add support for parsing PKCS#12 files
- ECC performance increased with custom curves
- ARMv8 expanded to AArch32 and performance increased
- Added ANSI-X9.63-KDF support
- Port to STM32 F2/F4 CubeMX
- Port to Atmel ATECC508A board
- Removed fPIE by default when wolfSSL library is compiled
- Update to Python wrapper, dropping DES and adding wc_RSASetRNG
- Added support for NXP K82 hardware acceleration
- Added SCR client and server verify check
- Added a disable rng option with autoconf
- Added more tests vectors to test.c with AES-CTR
- Updated DTLS session export version number
- Updated DTLS for 64 bit sequence numbers
- Fix for memory management with TI and WOLFSSL_SMALL_STACK
- Hardening RSA CRT to be constant time
- Fix uninitialized warning with IAR compiler
- Fix for C# wrapper example IO hang on unexpected connection termination
This release of wolfSSL fixes a low level security vulnerability. The vulnerability reported was a potential cache attack on RSA operations. If using wolfSSL RSA on a server that other users can have access to monitor the cache, then it is recommended to update wolfSSL. Thanks to Andreas Zankl, Johann Heyszl and Georg Sigl at Fraunhofer AISEC for the report. More information will be available on our site:
