About wolfSSL
wolfSSL is a lightweight SSL/TLS library targeted for embedded and RTOS environments primarily because of its small size, speed, and portability. It employs a dual licensing model, making it available under both GPL and...
The wolfSSL embedded SSL/TLS library is a lightweight SSL library written in ANSI standard C and targeted for embedded and RTOS environments - primarily because of its small size, speed, and feature set. It is commonly used in standard operating environments as well because of its royalty free pricing and cross platform support. wolfSSL supports industry standards up to the current TLS 1.2 level, is up to 20 times smaller than OpenSSL, and offers progressive ciphers such as HC-128, RABBIT, and NTRU. User benchmarking and feedback reports dramatically better performance when using wolfSSL over OpenSSL. It is available under both GPLv2 and commercial licenses, like MySQL, making it ideal for a wide variety of projects.
Previous Versions
Here you can find the changelog of wolfSSL since it was posted on our website on 2016-04-21 18:48:23.
The latest version is 4.0.0 and it was updated on 2024-04-23 08:30:51. See below the changes in each version.
wolfSSL version 4.0.0
Updated At: 2019-03-21
Changes: Supported wolfCrypt FIPS 4.0.0, certificate #3389
FIPS Ready Initiative
Compatibility fixes for secure renegotiation with Chrome
Better size check for TLS record fragment reassembly
Improved non-blocking and handshake message retry support for DTLS
Added TLS Trusted CA extension
And more!
wolfSSL version 3.15.7
Updated At: 2018-12-26
Changes: 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
Port update for Micrium uC/OS-III
wolfSSL version 3.15.5
Updated At: 2018-11-07
Changes: 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
And more!
wolfSSL version 3.15.3
Updated At: 2018-06-20
Changes: ECDSA blinding added
Use of optimized Intel assembly instructions on compatible AMD processor
wolfCrypt Nucleus port additions
Fixes for:
MatchDomainName
compatibility layer build without defined server & client
building with WOLFSSL_ATECC508A
verifying a PKCS7 file in BER format
And more!
wolfSSL version 3.15.0
Updated At: 2018-06-05
Changes: Support for TLS 1.3 Draft versions 23, 26 and 28.
Add FIPS SGX support!
Single Precision assembly code added for ARM and 64-bit ARM to enhance performance.
Improved performance for Single Precision maths on 32-bit.
Improved downgrade support for the TLS 1.3 handshake. And more!
wolfSSL version 3.13.0
Updated At: 2017-12-21
Changes: 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. And more!
wolfSSL version 3.12.0
Updated At: 2017-08-04
Changes: TLS 1.3 0RTT feature added
Added port for using Intel SGX with Linux
Update and fix PIC32MZ port
AVX and AVX2 assembly for improved ChaCha20 performance
Added Xilinx port
Added warning when compiling without hardened math operations
More fixes, improvements and new features!
wolfSSL version 3.11.0
Updated At: 2017-05-04
Changes: Code updates for warnings reported by Coverity scans
Testing and warning fixes for FreeBSD on PowerPC
Updates and refactoring to ASN1 parsing functions
Added support for PKCS#7 Signed Data with ECDSA
Fixed low and medium level security vulnerabilities
More fixes, improvements and new features!
wolfSSL version 3.10.2
Updated At: 2017-02-10
Changes: Poly1305 Windows macros fix
Compatibility layer expanded with multiple functions added
Improve fp_copy performance with ALT_ECC_SIZE
OCSP updates and improvements
IAR EWARM 8 compiler warnings fixed
Reduce stack usage with ECC_CACHE_CURVE disabled
Added ECC export raw for public/private key
wolfSSL version 3.10.0
Updated At: 2016-12-22
Changes: - 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
Disclaimer
External Download
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