Comparison of cryptography libraries

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The tables below compare cryptography libraries that deal with cryptography algorithms and have API function calls to each of the supported features.

Cryptography libraries[edit]

Implementation Company Development Language Open Source Software License FIPS 140 validated[1] FIPS 140-2 mode Latest Update
Botan Jack Lloyd C++ Yes Simplified BSD No No 2.10.0 (March 30, 2019; 2 months ago (2019-03-30)[2]) [±]
Bouncy Castle Legion of the Bouncy Castle Inc. Java, C# Yes MIT License Yes Yes
Java1.61 / February 9, 2019; 4 months ago (2019-02-09)[3]
Java FIPSBC-FJA 1.0.1 / March 15, 2018; 15 months ago (2018-03-15)[4]
C#1.8.5 / January 31, 2019; 4 months ago (2019-01-31)[5]
C# FIPSBC-FNA 1.0.1 / December 28, 2016; 2 years ago (2016-12-28)[6]
cryptlib Peter Gutmann C Yes Sleepycat License or commercial license No[a] Yes 3.4.4 (January 10, 2018; 17 months ago (2018-01-10) [7]) [±]
Crypto++ The Crypto++ project C++ Yes Boost Software License (all individual files are public domain) No[b] No Feb 22, 2019 (8.1.0)
GnuTLS Nikos Mavrogiannopoulos, Simon Josefsson C Yes GNU LGPL v2.1+ Yes Yes 3.6.8 (May 28, 2019; 25 days ago (2019-05-28)[8]) [±]
Libgcrypt GnuPG community and g10code C Yes GNU LGPL v2.1+ Yes Yes 1.8.4 (October 26, 2018; 7 months ago (2018-10-26)[9]) [±]

1.7.10 (June 13, 2018; 12 months ago (2018-06-13)[10]) [±]

libsodium Frank Denis C Yes ISC license No No December 13, 2017 (1.0.16)
NaCl Daniel J. Bernstein, Tanja Lange, Peter Schwabe C Yes Public domain No No February 21, 2011[11]
Nettle C Yes GNU GPL v2+ or GNU LGPL v3 No No 3.4 (November 19, 2017; 19 months ago (2017-11-19)[12]) [±]
Network Security Services (NSS) Mozilla C Yes MPL 2.0 Yes[13] Yes 3.44.1 (June 21, 2019; 1 day ago (2019-06-21)[14]) [±]
OpenSSL The OpenSSL Project C Yes Apache Licence 1.0 and 4-Clause BSD Licence Yes Yes 1.1.1c (May 28, 2019; 25 days ago (2019-05-28)[15]) [±]

1.1.0k (May 28, 2019; 25 days ago (2019-05-28)[15]) [±]
1.0.2s (May 28, 2019; 25 days ago (2019-05-28)[15]) [±]

wolfCrypt wolfSSL, Inc. C Yes GPL v2 or commercial license Yes Yes 4.0.0 (March 21, 2019; 3 months ago (2019-03-21)[16]) [±]
  1. ^ The actual cryptlib is not FIPS 140 validated, although a validation exists for an adapted cryptlib as part of a third party, proprietary, commercial product.
  2. ^ Crypto++ received three FIPS 140 validations from 2003 through 2008. In 2016 NIST moved Crypto++ to the Historical Validation List. The move effectively revokes the FIPS validation and federal agencies cannot use the module for validated cryptography.

Key operations[edit]

Key operations include key generation algorithms, key exchange agreements and public key cryptography standards.

Key generation and exchange[edit]

Implementation ECDH DH DSA RSA ElGamal NTRU DSS
Botan Yes Yes Yes Yes Yes No Yes
Bouncy Castle Yes Yes Yes Yes Yes Yes Yes
cryptlib Yes Yes Yes Yes Yes No Yes
Crypto++ Yes Yes Yes Yes Yes No Yes
Libgcrypt Yes[a] Yes Yes Yes Yes No Yes
libsodium No Yes Yes No No No No
Nettle No No Yes Yes No No No
OpenSSL Yes Yes Yes Yes No No No
wolfCrypt Yes Yes Yes Yes No Yes Yes
  1. ^ By using the lower level interface.

Elliptic curve cryptography (ECC) support[edit]

Implementation NIST SECG ECC Brainpool ECDSA ECDH Curve25519 EdDSA GOST R 34.10
Botan Yes Yes Yes Yes Yes Yes Yes Yes
Bouncy Castle Yes Yes Yes Yes Yes Yes Yes Yes
cryptlib Yes Yes Yes Yes Yes No No No
Crypto++ Yes Yes Yes Yes Yes Yes No No
Libgcrypt Yes Yes Yes Yes Yes Yes Yes Yes
libsodium Yes No No No No Yes Yes No
Nettle Yes No No No No No No No
OpenSSL Yes Yes Yes Yes Yes Yes Yes Yes
wolfCrypt Yes No No Yes Yes Yes Yes No

Public key cryptography standards[edit]

Implementation PKCS#1 PKCS#5 PKCS#8 PKCS#12 IEEE P1363 ASN.1
Botan Yes Yes Yes No Yes Yes
Bouncy Castle Yes Yes Yes Yes Yes Yes
cryptlib Yes Yes Yes Yes No Yes
Crypto++ Yes Yes Yes[a] No Yes Yes
Libgcrypt Yes Yes[b] Yes[b] Yes[b] Yes[b] Yes[b]
libsodium No No No No No No
Nettle Yes Yes No No No No
OpenSSL Yes Yes Yes Yes No Yes
wolfCrypt Yes Yes Yes Yes No Yes
  1. ^ The library offers X.509 and PKCS #8 encoding without PEM by default. For PEM encoding of public and private keys the PEM Pack is needed.
  2. ^ a b c d e These Public Key Cryptographic Standards (PKCS) are supported by accompanying libraries and tools, which are also part of the GnuPG framework, although not by the actual libgcrypt library.

Hash functions[edit]

Comparison of supported cryptographic hash functions. At the moment this section also includes ciphers that are used for producing a MAC tag for a message. Here hash functions are defined as taking an arbitrary length message and producing a fixed size output that is virtually impossible to use for recreating the original message.

Implementation MD5 SHA-1 SHA-2 SHA-3 RIPEMD-160 Tiger Whirlpool GOST Stribog BLAKE2
Botan Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Bouncy Castle Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
cryptlib Yes Yes Yes Yes Yes No Yes No No No
Crypto++ Yes Yes Yes Yes Yes Yes Yes Yes No Yes
Libgcrypt Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
libsodium No No Yes No No No No No No Yes
Nettle Yes Yes Yes Yes Yes No No Yes No No
OpenSSL Yes Yes Yes Yes Yes Yes Yes Yes No Yes
wolfCrypt Yes Yes Yes Yes Yes No No No No Yes

MAC algorithms[edit]

Comparison of implementations of message authentication code (MAC) algorithms. A MAC is a short piece of information used to authenticate a message—in other words, to confirm that the message came from the stated sender (its authenticity) and has not been changed in transit (its integrity).

Implementation HMAC-MD5 HMAC-SHA1 HMAC-SHA2 Poly1305-AES BLAKE2-MAC
Botan Yes Yes Yes Yes Yes
Bouncy Castle Yes Yes Yes Yes Yes
cryptlib Yes Yes Yes No No
Crypto++ Yes Yes Yes Yes Yes
Libgcrypt Yes Yes Yes Yes Yes
libsodium No No Yes Yes Yes
Nettle Yes Yes Yes Yes No
OpenSSL Yes Yes Yes Yes Yes
wolfCrypt Yes Yes Yes Yes Yes

Block ciphers[edit]

Table compares implementations of block ciphers. Block ciphers are defined as being deterministic and operating on a set number of bits (termed a block) using a symmetric key. Each block cipher can be broken up into the possible key sizes and block cipher modes it can be run with.

Block cipher algorithms[edit]

Implementation AES Camellia 3DES Blowfish Twofish CAST5 IDEA GOST 28147-89 ARIA
Botan Yes Yes Yes Yes Yes Yes Yes Yes Yes
Bouncy Castle[22] Yes Yes Yes Yes Yes Yes Yes Yes Yes
cryptlib[23] Yes No Yes Yes
Yes Yes
Crypto++ Yes Yes Yes Yes Yes Yes Yes Yes[a] Yes
Libgcrypt Yes Yes Yes Yes Yes Yes Yes Yes
libsodium Yes[b] No No No No No No No No
Nettle Yes Yes Yes Yes
OpenSSL Yes Yes Yes Yes No Yes Yes Yes Yes
wolfCrypt Yes Yes Yes No No No Yes No No
  1. ^ Crypto++ provides the 64-bit version of GOST from the 1990s. The library does not provide the 128-bit version of GOST from 2015.
  2. ^ libsodium provides AES-256 only. It does not offer AES-128 or AES-192.

Cipher modes[edit]

Implementation ECB CBC OFB CFB CTR CCM GCM OCB XTS AES-Wrap Stream
Botan No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Bouncy Castle Yes Yes Yes Yes Yes Yes Yes Yes
Yes Yes
cryptlib Yes Yes Yes Yes
No Yes
Crypto++ Yes Yes Yes Yes Yes Yes Yes No No No Yes
Libgcrypt Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
libsodium No No No No Yes No Yes No No No No
Nettle Yes Yes No No Yes Yes Yes No No No No
OpenSSL Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
wolfCrypt Yes Yes No No Yes Yes Yes No No No No

Stream ciphers[edit]

Table compares implementations of the various stream ciphers. Stream ciphers are defined as using plain text digits that are combined with a pseudorandom cipher digit stream. Stream ciphers are typically faster than block ciphers and may have lower hardware complexity, but may be more susceptible to attacks.

Implementation RC4 HC-256 Rabbit Salsa20 ChaCha SEAL Panama WAKE Grain VMPC ISAAC
Botan Yes No No Yes Yes No No No No No No
Bouncy Castle Yes Yes No Yes Yes No No No Yes Yes Yes
cryptlib Yes No No No No No No No No No No
Crypto++ Yes Yes Yes Yes Yes Yes Yes Yes No No No
Libgcrypt Yes No No Yes Yes No No No No No No
libsodium No No No Yes Yes No No No No No No
Nettle Yes No No Yes Yes No No No No No No
OpenSSL Yes No No No Yes No No No No No No
wolfCrypt Yes Yes Yes Yes Yes No No No No No No

Hardware-assisted support[edit]

Table compares the ability to utilize hardware enhanced cryptography. With using the assistance of specific hardware the library can achieve greater speeds and / or improved security than otherwise.

Smartcard, SIM and HSM protocol support[edit]

Implementation PKCS #11 PC/SC CCID
Botan Yes No No
Bouncy Castle Yes [a] No No
cryptlib Yes No No
Crypto++ No No No
Libgcrypt Yes [26] Yes [27] Yes [28]
libsodium No No No
OpenSSL Yes [29] No No
wolfCrypt Yes No No
  1. ^ In conjunction with the PKCS#11 provider, or through the implementation of operator interfaces providing access to basic operations.

General purpose CPU / platform acceleration support[edit]

Implementation AES-NI SSSE3 / SSE4.1 AVX / AVX2 RdRand VIA PadLock Intel QuickAssist AltiVec[a] ARMv7-A NEON ARMv8-A
Botan Yes Yes Yes Yes No No Yes Yes Yes
cryptlib Yes Yes Yes Yes Yes No No No No
Crypto++ Yes Yes Yes Yes Yes[b] No Yes Yes Yes
Libgcrypt[31] Yes Yes Yes Yes Yes No No Yes Yes
libsodium Yes Yes Yes No No No No No No
OpenSSL Yes Yes Yes Yes[c] Yes No Yes Yes Yes
wolfCrypt Yes No Yes Yes No Yes[32] No No Yes[33]
  1. ^ AltiVec includes POWER4 through POWER8 SIMD processing. POWER8 added in-core crypto, which provides accelerated AES, SHA and PMUL similar to SSE and ARMv8.1.
  2. ^ Crypto++ provides access to the Padlock random number generator. Other functions, like AES acceleration, is not provided.
  3. ^ OpenSSL RDRAND support is provided through the ENGINE interface. The RDRAND generator is not used by default.

Microcontrollers' cryptographic accelerator support[edit]

Implementation STM32F2 STM32F4 Cavium NITROX Freescale CAU/mmCAU Microchip PIC32MZ Atmel ATECC508A TI TivaC Series CubeMX Nordic nRF51
wolfCrypt Yes Yes Yes Yes Yes Yes[37] Yes[38] Yes Yes

Code size and code to comment ratio[edit]

Implementation Source Code Size

(kSLOC = 1000 lines of source code)

Code Lines to Comment Lines Ratio
Botan 133[39] 4.55[39]
Bouncy Castle 1359[40] 5.26[40]
cryptlib 241 2.66
Crypto++ 115[41] 5.74[41]
Libgcrypt 216[42] 6.27[42]
libsodium 44[43] 21.92[43]
Nettle 111[44] 4.08[44]
OpenSSL 472[45] 4.41[45]
wolfCrypt 39 5.69

Portability[edit]

Implementation Supported Operating System Thread safe
Botan Linux, Windows, macOS, Android, iOS, FreeBSD, NetBSD, OpenBSD, DragonflyBSD, AIX, QNX, Haiku, IncludeOS Yes
Bouncy Castle General Java API: J2ME, Java Runtime Environment 1.1+, Android. Java FIPS API: Java Runtime 1.5+, Android. C# API (General & FIPS): CLR 4.
cryptlib AMX, ARINC 653, BeOS, ChorusOS, CMSIS-RTOS/mbed-rtos, DOS, DOS32, eCOS, embOS, FreeRTOS/OpenRTOS, uItron, MQX, MVS, Nucleus, OS/2, Palm OS, QNX Neutrino, RTEMS, SMX, Tandem NonStop, Telit, ThreadX, uC/OS II, Unix (AIX, FreeBSD, HP-UX, Linux, macOS, Solaris, etc.), VDK, VM/CMS, VxWorks, Win16, Win32, Win64, WinCE/PocketPC/etc, XMK Yes
Crypto++ Unix (AIX, OpenBSD, Linux, MacOS, Solaris, etc.), Win32, Win64, Android, iOS, ARM Yes[a]
Libgcrypt All 32 and 64 bit Unix Systems (GNU/Linux, FreeBSD, NetBSD, macOS etc.), Win32, Win64, WinCE and more Yes[46]
libsodium macOS, Linux, OpenBSD, NetBSD, FreeBSD, DragonflyBSD, Android, iOS, 32 and 64-bit Windows (Visual Studio, MinGW, C++ Builder), NativeClient, QNX, JavaScript, AIX, MINIX, Solaris Yes
OpenSSL Solaris, IRIX, HP-UX, MPE/iX, Tru64, Linux, Android, BSD (OpenBSD, NetBSD, FreeBSD, DragonflyBSD), NextSTEP, QNX, UnixWare, SCO, AIX, 32 and 64-bit Windows (Visual Studio, MinGW, UWIN, CygWin), UEFI, macOS (Darwin), iOS, HURD, VxWorks, uClinux, VMS, DJGPP (DOS), Haiku Yes
wolfCrypt Win32/64, Linux, macOS, Solaris, ThreadX, VxWorks, FreeBSD, NetBSD, OpenBSD, embedded Linux, WinCE, Haiku, OpenWRT, iPhone (iOS), Android, Nintendo Wii and Gamecube through DevKitPro, QNX, MontaVista, NonStop, TRON/ITRON/µITRON, Micrium's µC/OS, FreeRTOS, SafeRTOS, Freescale MQX, Nucleus, TinyOS, HP-UX Yes
  1. ^ Crypto++ is thread safe at the object level, i.e. there is no shared data among instances. If two different threads access the same object then the user is responsible for locking.

References[edit]

  1. ^ Validated FIPS 140 Cryptographic Modules, NIST.gov, retrieved 2015-12-22
  2. ^ "Botan: Newslog". Retrieved 1 April 2019.
  3. ^ "Latest Java Releases - bouncycastle.org". 2019-02-09. Retrieved 2019-03-17.
  4. ^ "Java FIPS Resources - bouncycastle.org". 2018-03-15. Retrieved 2018-04-10.
  5. ^ "The Legion of the Bouncy Castle C# Cryptography APIs". 2019-01-31. Retrieved 2019-03-17.
  6. ^ "C# .NET FIPS Resources - bouncycastle.org". 2016-11-11. Retrieved 2017-08-28.
  7. ^ "cryptlib 3.4.4 released". 2018-01-10.
  8. ^ "The GnuTLS Transport Layer Security Library". Retrieved 4 June 2019.
  9. ^ "Release 1.8.4". dev.gnupg.org. 2018-10-26. Retrieved 2018-10-27.
  10. ^ "Release 1.7.10". dev.gnupg.org. 2018-06-13. Retrieved 2018-06-13.
  11. ^ Downloading and installing NaCl, Bernstein, Lange, Schwabe, retrieved 2017-05-22
  12. ^ "GNU Nettle". directory.fsf.org. FSF. 24 April 2015.
  13. ^ "FIPS". Mozilla Foundation. 2012-02-01. Archived from the original on 2013-05-02. Retrieved 2013-05-17.
  14. ^ "NSS Releases". Retrieved 22 June 2019.
  15. ^ a b c "OpenSSL: Newslog". Retrieved 2019-05-29.
  16. ^ "wolfSSL ChangeLog". 2019-03-21. Retrieved 2019-03-21.
  17. ^ Bouncy Castle Specifications, bouncycastle.org, retrieved 2018-04-10
  18. ^ cryptlib Encryption Toolkit, Peter Gutmann, retrieved 2015-11-28
  19. ^ With Scute, scute.org
  20. ^ With GnuPG's SCdaemon & gpg-agent, gnupg.org
  21. ^ With GnuPG's SCdaemon & gpg-agent, gnupg.org
  22. ^ With an libp11 engine
  23. ^ hwfeatures.c, dev.gnupg.org
  24. ^ https://www.wolfssl.com/wolfSSL/Blog/Entries/2017/1/18_wolfSSL_Asynchronous_Intel_QuickAssist_Support.html
  25. ^ https://www.wolfssl.com/wolfSSL/Blog/Entries/2016/10/13_wolfSSL_ARMv8_Support.html
  26. ^ https://www.wolfssl.com/wolfSSL/wolfssl-atmel.html
  27. ^ http://processors.wiki.ti.com/index.php/Using_wolfSSL_with_TI-RTOS
  28. ^ a b Language Analysis of Botan, OpenHub.net, retrieved 2018-07-18
  29. ^ a b Language Analysis of Bouncy Castle, OpenHub.net, retrieved 2015-12-23
  30. ^ a b Language Analysis of Crypto++, OpenHub.net, retrieved 2018-07-18
  31. ^ a b Language Analysis of Libgcrypt, OpenHub.net, retrieved 2015-12-23
  32. ^ a b Language Analysis of libsodium, OpenHub.net, retrieved 2017-05-07
  33. ^ a b Language Analysis of Nettle, OpenHub.net, retrieved 2015-12-23
  34. ^ a b Language Analysis of OpenSSL, OpenHub.net, retrieved 2017-05-07
  35. ^ GnuPG documentation: Libgcrypt overview - thread safety, GnuPG.org, retrieved 2016-04-16