phpseclib/CHANGELOG.md

Changelog

3.0.38 - 2024-06-17

• BigInteger: EvalBarrett / Barrett could sometimes slow to a crawl (#1994)
• SSH2: fix bug that prevented RC4 and ChaCha20 from ever being used
• SSH2: SSH_MSG_EXT_INFO didn't work during key re-exchange (#2001, #2002)
• SSH2: improvements to timeout handling (#2006)
• System/SSH/Agent: reset supported_private_key_algorithms for every key (#1995)
• Composer: use paragonie/constant_time_encoding (#1998)
• Crypt/EC/Formats/PKCS8: fix Ed448 keys (#2003)

3.0.37 - 2024-03-02

• SSH2: don't set stream timeout if timeout is 0 (#1986)

3.0.36 - 2024-02-25

• BigInteger: put guardrails on isPrime() and randomPrime() (CVE-2024-27354)
• ASN1: limit OID length (CVE-2024-27355)
• EC: when using openssl to do signing use unencrypted key (#1979)
• SSH2: add different options to isConnected() (#1983)

3.0.35 - 2023-12-18

• SSH2: implement terrapin attack countermeasures (#1972)
• SSH2: only capture login info once (#1970)
• Crypt/AsymmetricKey: loading hidden custom key plugins didn't work (#1971)

3.0.34 - 2023-11-27

• SSH2: add support for RFC8308 (#1960)
• SSH2: don't use AES GCM for TurboFTP Server (#1957)
• SSH2: reset more internal variables when connection is reset (#1961)
• PKCS8: PBES1 / RC2 and PBES2 / DES keys didn't work (#1958)
• EC/Signature/Format: add new IEEE format (#1956)
• Math/BigInteger/Engines/PHP: PHP 8.2.13+ fixes Windows JIT issue
• Math/BinaryField: fix for excessively large degrees (CVE-2023-49316)
• Math/PrimeField: fix occasional error with squareRoot method

3.0.33 - 2023-10-21

• SSH2: fix for PHP 7.3 (#1953)
• Crypt: improve ARM detection code (#1949)
• Rijndael: fix for PHP 8.3+ compatability (#1944)
• X509: fix for weird characters in subjaltname (#1943)
• move JIT check to BigInteger (#1942)

3.0.23 - 2023-09-18

• fix "Undefined index: jit" error on Windows (#1940)

3.0.22 - 2023-09-15

• SFTP: make it so SFTP::RESUME also sets offset of local file (#1921)
• SFTP: RESUME_START didn't work as described (#1921)
• SFTP: fix SFTPv2 errors when logging errors (#1933)
• SFTP: fix issue with get() downloading to files / streams (#1934)
• BigInteger: use GMP if available (#1928)
• Rijndael: fix E_DEPRECATED (#1935)
• improve PHP32 compatibility (#1931)

3.0.21 - 2023-07-09

• BigInteger: speed up powMod() method (#1919)
• SSH2: fix stream_select(): Unable to select [4]: Interrupted system call (max_fd=29) error (#1851)
• SSH2: add EOF test isConnected() (#1926)
• SFTP: make it so SFTP::RESUME also sets offset of local file (#1921)
• SFTP: SFTP::RESUME_START didn't work as described (#1921)

3.0.20 - 2023-06-13

• SSH2: better support for multiple interactive channels & expose shell functions (#1888)
• SFTP: add optional $recursive parameter to filesize() (#1782)
• SFTP: fix NET_SFTP_ATTR_EXTENDED (#1907)
• ASN1: speed up decodeBER (#1894)
• X509: add support for EV DN's (#1916)
• X509: getChain() should always return array of X509 objects (#1914)
• RSA: setting sig padding broke enc padding and vice versa

3.0.19 - 2023-03-05

• AsymmetricKey: error out on unsupported operations (#1879)
• Blowfish: fix issues on 32-bit PHP installs
• BigInteger: fix for hex numbers with new lines in them
• SFTP: fix "Creating default object from empty value" error (#1876)
• SSH2: add getTimeout() method (#1889)
• PrimeField: prevent infinite loop with composite primefields (CVE-2023-27560)

3.0.18 - 2022-12-17

• fix for PHP 8.2 deprecations (#1869, #1873)
• SSH2: if logging in with rsa-sha2-256/512 fails, try ssh-rsa (#1865)
• SSH/Agent: add support for named pipes on windows (for pageant) (#1866)
• Crypt/Base: add a function to check continuous buffer status (#1870)
• OpenSSL 3.0.1+ deprecated some algorithms (RC2, RC4, DES, Blowfish)

3.0.17 - 2022-10-24

• X509: make it so CRLs, CSRs and SPKACs can support PSS keys (#1837)
• X509: make it so PKCS1 X509 certs can create PSS sigs (#1837)
• SFTP: fix deprecated implicit float to int on 32-bit PHP 8.1 (#1841)
• SFTP: restore orig behavior when deleting non-existant folder (#1847)
• Random: fix fallback on PHP 8.1+

3.0.16 - 2022-09-05

• SSH2: fix type hinting for keyboard_interactive_process (#1836)

3.0.15 - 2022-09-02

• PublicKeyLoader: add support for OpenSSH encrypted keys (#1737, #1733, #1531, #1490)
• PublicKeyLoader: add support for JSON Web Keys (#1817)
• SSH2: make login method return false under rare situation (#1790)
• SSH2: fix possibly undefined variable error (#1802)
• SFTP: fix enableDatePreservation bug w.r.t. mtime (#1670)
• SFTP: try to delete dir even if it can't be opened (#1791)
• SFTP: try without path canonicalization if initial realpath() fails (#1796)
• SFTP: detect if stream metadata has wrapper_type set for put() method (#1792)
• BigInteger: tweak to the phpinfo checks (#1726)
• BigInteger: fix behavior on 32-bit PHP installs (#1820)
• EC/PKCS8: OpenSSL didn't like phpseclib formed Ed25519 public keys (#1819)
• don't use dynamic properties, which are deprecated in PHP 8.2 (#1808, #1822)
• fix deprecated implicit float to int on 32-bit PHP 8.1

3.0.14 - 2022-04-04

• RSA: add support for loading PuTTY v3 keys
• Crypt/Base: fix CTR mode with continuous buffer with non-eval PHP
• Crypt/Base: use sodium_increment in _increment_str
• Crypt/Base: fix deprecation notice (#1770)
• SSH2/Agent: rm unused parameter (#1757)
• BigInteger: add precision to __debugInfo
• BigInteger: fix random engine issues
• call useBestEngine() when getEngine() is called

3.0.13 - 2022-01-30

• SSH2: make login() return false if no valid auth methods are found (#1744)
• SSH2: show a more helpful error message when logging in with pubkey (#1718)
• SSH2: rsa-sha2-256 and rsa-sha2-512 sigs weren't verifying (#1743)
• SFTP: fix chgrp() for version < 4 (#1730)
• Crypt/Base: add OFB8 as a new mode (phpseclib/mcrypt_compat#33)
• Crypt/Salsa20: fix PHP 5.6 error (#1717)
• RSA & BigInteger: check phpinfo() available before using it (#1726)
• Fixed psalm level 6 errors in phpseclib/Net/ (#1746)

3.0.12 - 2021-11-28

• SSH2: add "smart multi factor" login mode (enabled by default) (#1648)
• SSH2: error out when no data is received from the server (#1647)
• SFTP: don't attempt to parse unsupported attributes (#1708)
• SFTP: getSupportedVersions() call didn't work
• EC: error out when scalar is out of range (#1712)
• RSA: add support for raw private keys (#1711)
• SymmetricKey: add getMode()

3.0.11 - 2021-10-26

• SSH2: add support for zlib and zlib@openssh.com compression
• SFTP: add support for SFTPv4/5/6
• SFTP: add option to allow arbitrary length packets (#1691)
• SFTP: errors weren't being logged (#1702)
• RSA: ssh-keygen -yf private.key fails if \r is present (#1698)

3.0.10 - 2021-08-15

• SFTP: don't check SFTP packet size after SFTP initialization (#1606)
• SFTP: timeout during SFTP init should return false (#1684)
• SFTP: return false if get_channel_packet returns false (#1678)
• ASN1: return false when not enough bytes are available (#1676)
• BigInteger: Serializable is being deprecated in PHP 8.1 (#1680)
• explicitly define methods as being static (#1689)
• plug memory leaks (#1672)

3.0.9 - 2021-06-13

• SSH2: add getAuthMethodsToContinue() method (#1648)
• SSH2: timeout would occasionally infinitely loop
• SSH2: fix PHP7.4 errors about accessing bool as string (#1656)
• SSH2: fix issue with key re-exchange (#1644)
• SFTP: reopen channel on channel closure (#1654)
• X509: extra characters before cert weren't being removed (#1659)
• X509: signing with pw protected PSS keys yielded errors (#1657)
• ASN1: fix timezone issue when non-utc time is given (#1562)
• ASN1: change how default values are processed for ints and enums (#1665)
• RSA: OAEP decryption didn't check labels correctly (#1669)

3.0.8 - 2021-04-20

• AsymetrticKey: add getComment() method (#1638)
• SymmetricKey: cipher_name_openssl_ecb shouldn't be static because of AES (#1636)
• X509: don't filter basicConstraints on unique values (#1639)
• X509: make it so extensions can be set as critical (#1640)

3.0.7 - 2021-04-06

• X509: always parse the first cert of a bundle (#1568)
• SSH2: behave like putty with broken publickey auth (#1572)
• SSH2: don't close channel on unexpected response to channel request (#1631)
• RSA: cleanup RSA PKCS#1 v1.5 signature verification (CVE-2021-30130)
• Crypt: use a custom error handler for mcrypt to avoid deprecation errors

3.0.6 - 2021-03-13

• SFTP/Stream: make it so you can write past the end of a file (#1618)
• SFTP/Stream: fix undefined index notice in stream touch() (#1615)
• SFTP/Stream: mkdir didn't work (#1617)
• BigInteger: fix issue with toBits on 32-bit PHP 8 installs
• SFTP: digit only filenames were converted to integers by php (#1623)

3.0.5 - 2021-02-12

• X509: add getCurrentCert method (since $currentCert is now private) (#1602)
• PublicKeyLoader: add loadPrivateKey() and loadPublicKey() methods (#1603)
• Rijndael: calling setIV() after setBlockLength() can result in err (#1599)
• RSA: use OpenSSL for generating private keys (#1596)
• BigInteger: big speedups for when OpenSSL is used (#1596)

3.0.4 - 2021-01-25

• Random: use v9.99.99 of random_compat if appropriate (#1585, #1571)
• SSH/Agent: EC keys didn't work with agent (#1593)
• X509: fix niche issue with computeKeyIdentifier (#1586)

3.0.3 - 2021-01-16

• X509: passing DateTime objects to setEndDate produced errors (#1578)
• X509: always parse the first cert of a bundle (#1568)
• X509: streamline the management of custom extensions (#1573)
• EC: fix case sensitivity errors when using Symfony autoloader (#1570)
• RSA: improve identification of public / private PKCS1 / PKCS8 keys (#1579)
• RSA: add support for PSS keys that don't have parameters present (#1583)
• RSA: tweaks to how the salt length works
• RSA: throw exceptions instead of returning false
• SSH2: behave like putty with broken publickey auth (#1572)

3.0.2 - 2020-12-24

• EC/PKCS1: throw exception when trying to load non-strings (#1559)
• X509: make date methods accept DateTimeInterface instead of DateTime (#1562)
• SSH2: suppress errors on stream_select calls (#1560)

3.0.1 - 2020-12-19

• PKCS8: fix E_WARNING (#1551)
• SSH2/Stream: stream_select needs to be able to access $fsock (#1552)
• SFTP: resuming uploads didn't work (#1553)

3.0.0 - 2020-12-16

• drop SSH1 and SCP support
• add support for the following crypto algorithms:
  • Ed25519 / Ed449 / Curve25519 / Curve449
  • ECDSA / ECDH (66 curves)
  • DSA / DH
  • GCM / Poly1305
  • Salsa20 / ChaCha20
• namespace changed from phpseclib\ to \phpseclib3 to facilitate phpseclib 2 shim (phpseclib2_compat)

2.0.47 - 2024-02-25

• BigInteger: add getLength() and getLengthInBytes() methods
• BigInteger: put guardrails on isPrime() and randomPrime() (CVE-2024-27354)
• ASN1: limit OID length (CVE-2024-27355)

2.0.46 - 2023-12-28

• SSH2: implement terrapin attack countermeasures (#1972)
• SSH2: only capture login info once (#1970)
• SSH2: add support for RFC8308 (#1960)
• Rijndael: fix for PHP 8.3+ compatability (#1944)
• Crypt/Base: improve ARM detection code (#1949)
• X509: fix for weird characters in subjaltname (#1943)

2.0.45 - 2023-09-15

• SFTP: make it so SFTP::RESUME also sets offset of local file (#1921)
• SFTP: RESUME_START didn't work as described (#1921)
• SFTP: fix SFTPv2 errors when logging errors (#1933)
• SFTP: fix issue with get() downloading to files / streams (#1934)
• Rijndael: fix E_DEPRECATED (#1935)
• improve PHP32 compatibility (#1931)

2.0.44 - 2023-06-13

• SSH2: fix PHP 8.2 E_DEPRECATED errors (#1917)

2.0.43 - 2023-06-13

• SFTP: fix NET_SFTP_ATTR_EXTENDED (#1907)
• SSH2: fix PHP 8.2 E_DEPRECATED errors (#1917)
• X509: add support for EV DN's (#1916)

2.0.42 - 2023-03-06

• Blowfish: fix issues on 32-bit PHP installs
• BigInteger: fix for hex numbers with new lines in them
• SSH2: add getTimeout() method (#1889)

2.0.41 - 2022-12-23

• fix for more PHP 8.2 deprecations (#1875)

2.0.40 - 2022-12-17

• fix for PHP 8.2 deprecations (#1869)
• SSH2: if logging in with rsa-sha2-256/512 fails, try ssh-rsa (#1865)
• SSH/Agent: add support for named pipes on windows (for pageant) (#1866)
• Crypt/Base: add a function to check continuous buffer status (#1870)
• OpenSSL 3.0.1+ deprecated some algorithms (RC2, RC4, DES, Blowfish)

2.0.39 - 2022-10-24

• SFTP: fix deprecated implicit float to int on 32-bit PHP 8.1 (#1841)
• SFTP: restore orig behavior when deleting non-existant folder (#1847)
• Random: fix fallback on PHP 8.1+

2.0.38 - 2022-09-02

• RSA: add support for OpenSSH encrypted keys (#1737, #1733, #1531, #1490)
• SSH2: fix possibly undefined variable error (#1802)
• SFTP: try to delete dir even if it can't be opened (#1791)
• SFTP: try without path canonicalization if initial realpath() fails (#1796)
• SFTP: detect if stream metadata has wrapper_type set for put() method (#1792)
• BigInteger: fix behavior on 32-bit PHP installs (#1820)
• don't use dynamic properties, which are deprecated in PHP 8.2 (#1808, #1822)
• fix deprecated implicit float to int on 32-bit PHP 8.1

2.0.37 - 2022-04-04

• RSA: add support for loading PuTTY v3 keys
• Crypt/Base: fix CTR mode with continuous buffer with non-eval PHP
• Crypt/Base: use sodium_increment in _increment_str
• Crypt/Base: fix deprecation notice (#1770)
• SSH2/Agent: rm unused parameter (#1757)

2.0.36 - 2022-01-30

• SSH2: make login() return false if no valid auth methods are found (#1744)
• SFTP: fix chgrp() for version < 4 (#1730)
• Crypt/Base: add OFB8 as a new mode (phpseclib/mcrypt_compat#33)
• RSA & BigInteger: check phpinfo() available before using it (#1726)

2.0.35 - 2021-11-28

• SSH2: add "smart multi factor" login mode (enabled by default) (#1648)
• SSH2: error out when no data is received from the server (#1647)
• SFTP: don't attempt to parse unsupported attributes (#1708)
• SFTP: getSupportedVersions() call didn't work

2.0.34 - 2021-10-26

• SSH2: add support for zlib and zlib@openssh.com compression
• SFTP: add support for SFTPv4/5/6
• SFTP: add option to allow arbitrary length packets (#1691)
• RSA: ssh-keygen -yf private.key fails if \r is present (#1698)

2.0.33 - 2021-08-15

• SFTP: don't check SFTP packet size after SFTP initialization (#1606)
• SFTP: timeout during SFTP init should return false (#1684)
• SFTP: return false if get_channel_packet returns false (#1678)
• ASN1: return false when not enough bytes are available (#1676)

2.0.32 - 2021-06-13

• SSH2: add getAuthMethodsToContinue() method (#1648)
• SSH2: timeout would occasionally infinitely loop
• SSH2: fix PHP7.4 errors about accessing bool as string (#1656)
• SSH2: fix issue with key re-exchange (#1644)
• SFTP: reopen channel on channel closure (#1654)
• X509: extra characters before cert weren't being removed (#1659)
• ASN1: fix timezone issue when non-utc time is given (#1562)
• RSA: OAEP decryption didn't check labels correctly (#1669)

2.0.31 - 2021-04-06

• X509: always parse the first cert of a bundle (#1568)
• SSH2: behave like putty with broken publickey auth (#1572)
• SSH2: don't close channel on unexpected response to channel request (#1631)
• RSA: support keys with PSS algorithm identifier (#1584)
• RSA: cleanup RSA PKCS#1 v1.5 signature verification (CVE-2021-30130)
• SFTP/Stream: make it so you can write past the end of a file (#1618)
• SFTP: fix undefined index notice in stream touch() (#1615)
• SFTP: digit only filenames were converted to integers by php (#1623)
• BigInteger: fix issue with toBits on 32-bit PHP 8 installs
• Crypt: use a custom error handler for mcrypt to avoid deprecation errors

2.0.30 - 2020-12-16

• X509: don't attempt to parse multi-cert PEMs (#1542)
• SFTP: add stream to get method (#1546)
• SFTP: progress callback should report actual downloaded bytes (#1543)
• SSH2: end connection faster for algorithm mismatch
• SSH2: add setKeepAlive() method (#1529)
• ANSI: fix PHP8 compatibility issues

2.0.29 - 2020-09-07

• SFTP: add enableDatePreservation() / disableDatePreservation() (#1496)
• SFTP: uploads on low speed networks could get in infinite loop (#1507)
• SSH2: when building algo list look at if crypto engine is set (#1500)
• X509: really looong base64 encoded strings broke extractBER() (#1486)

2.0.28 - 2020-07-08

• SFTP: realpath('') produced an error (#1474)
• SFTP: if /path/to/file is a file then /path/to/file/whatever errors (#1475)
• SFTP: speed up uploads (by changing SFTP upload packet size from 4KB to 32KB)
• ANSI: fix "Number of elements can't be negative" error

2.0.27 - 2020-05-22

• SFTP: another attempt at speeding up uploads (#1455)
• SSH2: try logging in with none as an auth method first (#1454)
• ASN1: fix for malformed ASN1 strings (#1456)

2.0.26 - 2020-03-22

• SFTP: another attempt at speeding up uploads (#1455)
• SSH2: try logging in with none as an auth method first (#1454)
• ASN1: fix for malformed ASN1 strings (#1456)

2.0.25 - 2020-02-25

• SFTP: re-add buffering (#1455)

2.0.24 - 2020-02-22

• X509: fix PHP 5.3 compatability issue
• SSH2: arcfour128 / arcfour256 were being included twice
• SSH2: make window resizing behave more consistently with PuTTY (#1421)
• SSH2: sodium_compat doesn't support memzero (#1432)
• SSH2: logging enhancements
• SFTP: don't buffer up download requests (PuTTY doesn't) (#1425)
• RSA: make PSS verification work for key length that aren't a power of 2 (#1423)

2.0.23 - 2019-09-16

• SSH2: fix regression for connecting to servers with bad hostnames (#1405)

2.0.22 - 2019-09-15

• SSH2: backport setPreferredAlgorithms() / getAlgorithmsNegotiated (#1156)
• SSH2 / SFTP: fix issues with ping() (#1402)
• X509: IPs in nameconstraints extension include netmask (#1387)
• X509: fix issue with explicit time tags whose maps expect implicit (#1388)
• BigInteger: fix bug with toBytes() with fixed precision negative numbers
• fix PHP 7.4 deprecations

2.0.21 - 2019-07-14

• SSH2: only auto close the channel for exec() timeouts (#1384)

2.0.20 - 2019-06-23

• BigInteger: lower PHP req back down to PHP 5.3.3 (#1382)

2.0.19 - 2019-06-19

• BigInteger: fix issues with divide method in pure-PHP mode

2.0.18 - 2019-06-13

• SSH2: close channel when a timeout occurs (#1378)
• SFTP: improve handling of malformed packets (#1371)
• RSA: add support for OpenSSH private keys (#1372)

2.0.17 - 2019-05-26

• BigInteger: new BigInteger('-0') caused issues with GMP

2.0.16 - 2019-05-26

• BigInteger: new BigInteger('00') caused issues with GMP
• BigInteger: GMP engine didn't always return 1 or -1
• ASN1: revamp how OIDs are handled (#1367)
• ASN1: correctly handle long tags
• SSH2: fix issue with reconnecting via ping() (#1353)
• RSA: use hash_equals if available

2.0.15 - 2019-03-10

• SFTP: make it so get() can correctly handle out of order responses (#1343)
• Crypt: avoid bogus IV errors in ECB mode with OpenSSL (#1087)
• RSA: protect against possible timing attack during OAEP decryption
• RSA: fix possible memory leak with XML keys (#1346)
• Hash: fix issue with undefined constants (#1347)
• Hash: fix issues with the mode
• SCP: issue error if remote_file is empty in put() call (#1335)
• X509: whitelist OID 1.3.6.1.4.1.11129.2.4.2 (#1341)

2.0.14 - 2019-01-27

• SSH2: ssh-rsa is sometimes incorrectly used instead of rsa-sha2-256 (#1331)
• SSH2: more strictly adhere to RFC8332 for rsa-sha2-256/512 (#1332)

2.0.13 - 2018-12-16

• SSH2: fix order of user_error() / bitmap reset (#1314)
• SSH2: setTimeout(0) didn't work as intended (#1116)
• Agent: add support for rsa-sha2-256 / rsa-sha2-512 (#1319)
• Agent: add parameter to constructor (#1319)
• X509: fix errors with validateDate (#1318)

2.0.12 - 2018-11-04

• SSH2: fixes relating to delayed global requests (#1271)
• SSH2: setEngine -> setPreferredEngine (#1294)
• SSH2: reset $this->bitmap when the connection fails (#1298)
• SSH2: add ping() method (#1298)
• SSH2: add support for rsa-sha2-256 / rsa-sha2-512 (RFC8332)
• SFTP: make rawlist give same result regardless of stat cache (#1287)
• Hash: save hashed keys for re-use

2.0.11 - 2018-04-15

• X509: auto download intermediate certs
• BigInteger: fix for (new BigInteger(48))->toString(true)) (#1264)
• ASN1: class is never set as key in _decode_ber
• check if phpinfo() is available before using (#1256)
• backport CFB8 support from master to 2.0 (#1257)

2.0.10 - 2018-02-08

• BigInteger: fix issue with bitwise_xor (#1245)
• Crypt: some of the minimum lengths were off
• SFTP: update stat cache accordingly when file becomes a directory (#1235)
• SFTP: fix issue with extended attributes on 64-bit PHP installs (#1248)
• SSH2: more channel handling updates (#1200)
• X509: use anonymous functions in PHP >= 5.3.0
• X509: revise logic for validateSignature (#1213)
• X509: fix 7.2 error when extensions were removed and new ones added (#1243)
• fix float to int conversions on ARM CPU's (#1220)

2.0.9 - 2017-11-29

• 2.0.8 tag was done off of master branch - not 2.0 branch

2.0.8 - 2017-11-29

• SSH2: fix issue with key re-exchange
• SSH2: updates to dealing with extraneous channel packets
• X509: URL validation didn't work (#1203)

2.0.7 - 2017-10-22

• SSH2:
  • add new READ_NEXT mode (#1140)
  • add sendIdentificationStringFirst()
  • add sendKEXINITFirst()
  • add sendIdentificationStringLast()
  • add sendKEXINITLast() (#1162)
  • assume any SSH server >= 1.99 supports SSH2 (#1170)
  • workaround for bad arcfour256 implementations (#1171)
  • don't choke when getting response from diff channel in exec() (#1167)
• SFTP:
  • add enablePathCanonicalization()
  • add disablePathCanonicalization() (#1137)
  • fix put() with remote file stream resource (#1177)
• ANSI: misc fixes (#1150, #1161)
• X509: use DateTime instead of unix time (#1166)
• Ciphers: use eval() instead of create_function() for >= 5.3

2.0.6 - 2017-06-05

• Crypt: fix OpenSSL engine on <= PHP 5.3.6 (#1122)
• Random: suppress possible E_DEPRECATED errors
• RSA: reset variables if bad key was loaded

2.0.5 - 2017-05-07

• SSH2: don't use timeout value of 0 for fsockopen (#775)
• SSH2: make it so disabling PTY closes exec() channel if it's open (#1009)
• SSH2: include <pre> tags in getLog result when SAPI isn't CLI
• SFTP: don't assume current directory when $path parameter for delete is null (#1059)
• SFTP: fix put() with php://input as source (#1119)
• ASN1: fix UTCTime parsing (#1110)
• X509: ignore certificate transparency extension (#1073)
• Crypt: OpenSSL apparently supports variable size keys (#1085)

2.0.4 - 2016-10-03

• fix E_DEPRECATED errors on PHP 7.1 (#1041)
• SFTP: speed up downloads (#945)
• SFTP: fix infinite loop when uploading empty file (#995)
• ASN1: fix possible infinite loop in decode (#1027)

2.0.3 - 2016-08-18

• BigInteger/RSA: don't compare openssl versions > 1.0 (#946)
• RSA: don't attempt to use the CRT when zero value components exist (#980)
• RSA: zero salt length RSA signatures don't work (#1002)
• ASN1: fix PHP Warning on PHP 7.1 (#1013)
• X509: set parameter fields to null for CSR's / RSA (#914)
• CRL optimizations (#1000)
• SSH2: fix "Expected SSH_FXP_STATUS or ..." error (#999)
• SSH2: use stream_get_* instead of fread() / fgets() (#967)
• SFTP: make symlinks support relative target's (#1004)
• SFTP: fix sending stream resulting in zero byte file (#995)

2.0.2 - 2016-06-04

• All Ciphers: fix issue with CBC mode / OpenSSL / continuous buffers / decryption (#938)
• Random: fix issues with serialize() (#932)
• RC2: fix issue with decrypting
• RC4: fix issue with key not being truncated correctly
• SFTP: nlist() on a non-existent directory resulted in error
• SFTP: add is_writable, is_writeable, is_readable
• X509: add IPv6 support for subjectaltname extension (#936)

2.0.1 - 2016-01-18

• RSA: fix regression in PSS mode (#769)
• RSA: fix issue loading PKCS8 specific keys (#861)
• X509: add getOID() method (#789)
• X509: improve base64-encoded detection rules (#855)
• SFTP: fix quirky behavior with put() (#830)
• SFTP: fix E_NOTICE (#883)
• SFTP/Stream: fix issue with filenames with hashes (#901)
• SSH2: add isAuthenticated() method (#897)
• SSH/Agent: fix possible PHP warning (#923)
• BigInteger: add __debugInfo() magic method (#881)
• BigInteger: fix issue with doing bitwise not on 0
• add getBlockLength() method to symmetric ciphers

2.0.0 - 2015-08-04

• Classes were renamed and namespaced (#243)
• The use of an autoloader is now required (e.g. Composer)

1.0.23 - 2024-02-25

• BigInteger: add getLength() and getLengthInBytes() methods
• BigInteger: put guardrails on isPrime() and randomPrime() (CVE-2024-27354)
• ASN1: limit OID length (CVE-2024-27355)

1.0.22 - 2023-12-28

• SFTP: fix issue with get() downloading to files / streams (#1934)
• SFTP: fix SFTPv2 errors when logging errors (#1933)
• SSH2: implement terrapin attack countermeasures (#1972)
• SSH2: only capture login info once (#1970)
• SSH2: add support for RFC8308 (#1960)
• Rijndael: fix for PHP 8.3+ compatability (#1944)
• Crypt/Base: improve ARM detection code (#1949)
• X509: fix for weird characters in subjaltname (#1943)
• ASN1: fix string conversion code for 32-bit PHP installs (#1931)

1.0.21 - 2023-07-09

• fix deprecation errors in newer PHP versions
• OpenSSL 3.0.1+ deprecated some algorithms
• RSA: add support for loading OpenSSH encrypted keys (#1737, #1733, #1531, #1490)
• RSA: add support for loading PuTTY v3 keys
• SSH2: if logging in with rsa-sha2-256/512 fails, try ssh-rsa (#1865)
• SSH2: add EOF test isConnected() (#1926)
• SFTP: try without path canonicalization if initial realpath() fails (#1796)
• SFTP: fix chgrp() for version < 4 (#1730)
• SFTP: try to delete dir even if it can't be opened (#1791)
• SFTP: make it so SFTP::RESUME also sets offset of local file (#1921)
• SFTP: SFTP::RESUME_START didn't work as described (#1921)
• Crypt/Base: fix CTR mode with continuous buffer with non-eval PHP

1.0.20 - 2021-12-28

SFTP:

• speed up uploads (by changing SFTP upload packet size from 4KB to 32KB)
• add support for SFTPv4/5/6
• add enableDatePreservation() / disableDatePreservation() (#1496)
• uploads on low speed networks could get in infinite loop (#1507)
• "fix" rare resource not closed error (#1510)
• progress callback should report actual downloaded bytes (#1543)
• add stream to get method (#1546)
• fix undefined index notice in stream touch() (#1615)
• digit only filenames were converted to integers by php (#1623)
• Stream: make it so you can write past the end of a file (#1618)
• reopen channel on channel closure (#1654)
• don't check SFTP packet size after SFTP initialization (#1606)
• return false if get_channel_packet returns false (#1678)
• timeout during SFTP init should return false (#1684)
• add option to allow arbitrary length packets (#1691)

SSH2:

• add support for zlib and zlib@openssh.com compression
• add "smart multi factor" login mode (enabled by default) (#1648)
• don't try to login as none auth method for CoreFTP server (#1488)
• when building algo list look at if crypto engine is set (#1500)
• suppress 'broken pipe' errors (#1511)
• add setKeepAlive() method (#1529)
• behave like putty with broken publickey auth (#1572)
• don't close channel on unexpected response to channel request (#1631)
• add getAuthMethodsToContinue() method (#1648)
• fix issue with key re-exchange (#1644)
• fix PHP7.4 errors about accessing bool as string (#1656)
• end connection faster for algorithm mismatch

X509:

• really looong base64 encoded strings broke extractBER() (#1486)
• only parse the first cert of a multi-cert PEMs (#1542, #1568)

ASN1:

• fix timezone issue when non-utc time is given (#1562)
• return false when not enough bytes are available (#1676)

RSA:

• ssh-keygen -yf private.key fails if \r is present (#1698)

BigInteger:

• fix issue with toBits on 32-bit PHP 8 installs

Crypt/Base:

• use a custom error handler for mcrypt

1.0.19 - 2020-07-07

• SSH2: arcfour128 / arcfour256 were being included twice
• SSH2: make window resizing behave more consistently with PuTTY (#1421)
• SSH2: logging enhancements
• SSH2: try logging in with none as an auth method first (#1454)
• SFTP: change the mode with a SETSTAT instead of MKDIR (#1463)
• SFTP: make it so extending SFTP class doesn't cause a segfault (#1465)
• SFTP: realpath('') produced an error (#1474)
• SFTP: if /path/to/file is a file then /path/to/file/whatever errors (#1475)
• RSA: make PSS verification work for key length that aren't a power of 2 (#1423)
• ASN1: fix for malformed ASN1 strings (#1456)
• ANSI: fix "Number of elements can't be negative" error

1.0.18 - 2019-09-16

• SSH2: fix regression for connecting to servers with bad hostnames (#1405)

1.0.17 - 2019-09-15

• SSH2: backport setPreferredAlgorithms() / getAlgorithmsNegotiated (#1156)
• SSH2 / SFTP: fix issues with ping() (#1402)
• SSH2: only auto close the channel for exec() timeouts (#1384)
• SSH2 / SFTP: fix issues with ping() (#1402)
• SFTP: add progress callback to get() (#1375)
• SFTP: fix array_merge(): Argument #1 is not an array error (#1379)
• X509: IPs in nameconstraints extension include netmask (#1387)
• X509: fix issue with explicit time tags whose maps expect implicit (#1388)
• BigInteger: fix issues with divide method
• BigInteger: fix bug with toBytes() with fixed precision negative numbers
• fix PHP 7.4 deprecations

1.0.16 - 2019-06-13

• BigInteger: new BigInteger('-0') caused issues with GMP
• BigInteger: new BigInteger('00') caused issues with GMP
• BigInteger: GMP engine didn't always return 1 or -1
• ASN1: revamp how OIDs are handled (#1367)
• ASN1: correctly handle long tags
• SSH2: fix issue with reconnecting via ping() (#1353)
• SSH2: close channel when a timeout occurs (#1378)
• SFTP: improve handling of malformed packets (#1371)
• RSA: add support for OpenSSH private keys (#1372)
• RSA: use hash_equals if available

1.0.15 - 2019-03-10

• SFTP: make it so get() can correctly handle out of order responses (#1343)
• Crypt: avoid bogus IV errors in ECB mode with OpenSSL (#1087)
• RSA: protect against possible timing attack during OAEP decryption
• RSA: fix possible memory leak with XML keys (#1346)
• Hash: fix issues with the mode
• SCP: issue error if remote_file is empty in put() call (#1335)
• X509: whitelist OID 1.3.6.1.4.1.11129.2.4.2 (#1341)

1.0.14 - 2019-01-27

• SSH2: ssh-rsa is sometimes incorrectly used instead of rsa-sha2-256 (#1331)
• SSH2: more strictly adhere to RFC8332 for rsa-sha2-256/512 (#1332)

1.0.13 - 2018-12-16

• SSH2: fix order of user_error() / bitmap reset (#1314)
• SSH2: setTimeout(0) didn't work as intended (#1116)
• Agent: add support for rsa-sha2-256 / rsa-sha2-512 (#1319)
• Agent: add parameter to constructor (#1319)

1.0.12 - 2018-11-04

• SSH2: fixes relating to delayed global requests (#1271)
• SSH2: setEngine -> setPreferredEngine (#1294)
• SSH2: reset $this->bitmap when the connection fails (#1298)
• SSH2: add ping() method (#1298)
• SSH2: add support for rsa-sha2-256 / rsa-sha2-512 (RFC8332)
• SFTP: make rawlist give same result regardless of stat cache (#1287)
• Hash: save hashed keys for re-use

1.0.11 - 2018-04-15

• X509: auto download intermediate certs
• BigInteger: fix for (new BigInteger(48))->toString(true)) (#1264)
• ASN1: class is never set as key in _decode_ber

1.0.10 - 2018-02-08

• BigInteger: fix issue with bitwise_xor (#1245)
• Crypt: some of the minimum lengths were off
• SFTP: update stat cache accordingly when file becomes a directory (#1235)
• SFTP: fix issue with extended attributes on 64-bit PHP installs (#1248)
• SSH2: more channel handling updates (#1200)
• X509: use anonymous functions in PHP >= 5.3.0
• X509: revise logic for validateSignature (#1213)
• X509: fix 7.2 error when extensions were removed and new ones added (#1243)
• fix float to int conversions on ARM CPU's (#1220)

1.0.9 - 2017-11-29

• SSH2: fix issue with key re-exchange
• SSH2: updates to dealing with extraneous channel packets
• X509: URL validation didn't work (#1203)

1.0.8 - 2017-10-22

• SSH2:
  • add new READ_NEXT mode (#1140)
  • add sendIdentificationStringFirst()
  • add sendKEXINITFirst()
  • add sendIdentificationStringLast()
  • add sendKEXINITLast() (#1162)
  • assume any SSH server >= 1.99 supports SSH2 (#1170)
  • workaround for bad arcfour256 implementations (#1171)
  • don't choke when getting response from diff channel in exec() (#1167)
• SFTP:
  • add enablePathCanonicalization()
  • add disablePathCanonicalization() (#1137)
  • fix put() with remote file stream resource (#1177)
• ANSI: misc fixes (#1150, #1161)
• X509: use DateTime instead of unix time (#1166)
• Ciphers: use eval() instead of create_function() for >= 5.3

1.0.7 - 2017-06-05

• Crypt: fix OpenSSL engine on <= PHP 5.3.6 (#1122)
• Random: suppress possible E_DEPRECATED errors
• RSA: reset variables if bad key was loaded

1.0.6 - 2017-05-07

• SSH2: don't use timeout value of 0 for fsockopen (#775)
• SSH2: make it so disabling PTY closes exec() channel if it's open (#1009)
• SSH2: include <pre> tags in getLog result when SAPI isn't CLI
• SFTP: don't assume current directory when $path parameter for delete is null (#1059)
• SFTP: fix put() with php://input as source (#1119)
• ASN1: fix UTCTime parsing (#1110)
• X509: ignore certificate transparency extension (#1073)
• Crypt: OpenSSL apparently supports variable size keys (#1085)

1.0.5 - 2016-10-22

• fix issue preventing installation of 1.0.x via Composer (#1048)

1.0.4 - 2016-10-03

• fix E_DEPRECATED errors on PHP 7.0 and 7.1 (#1041)
• fix float to int conversions on 32-bit Linux pre-PHP 5.3 (#1038, #1034)
• SFTP: speed up downloads (#945)
• SFTP: fix infinite loop when uploading empty file (#995)
• ASN1: fix possible infinite loop in decode (#1027)

1.0.3 - 2016-08-18

• BigInteger/RSA: don't compare openssl versions > 1.0 (#946)
• RSA: don't attempt to use the CRT when zero value components exist (#980)
• RSA: zero salt length RSA signatures don't work (#1002)
• ASN1: fix PHP Warning on PHP 7.1 (#1013)
• X509: set parameter fields to null for CSR's / RSA (#914)
• CRL optimizations (#1000)
• SSH2: fix "Expected SSH_FXP_STATUS or ..." error (#999)
• SFTP: make symlinks support relative target's (#1004)
• SFTP: fix sending stream resulting in zero byte file (#995)

1.0.2 - 2016-05-07

• All Ciphers: fix issue with CBC mode / OpenSSL / continuous buffers / decryption (#938)
• Random: fix issues with serialize() (#932)
• RC2: fix issue with decrypting
• RC4: fix issue with key not being truncated correctly
• SFTP: nlist() on a non-existent directory resulted in error
• SFTP: add is_writable, is_writeable, is_readable
• RSA: fix PHP4 compatibility issue

1.0.1 - 2016-01-18

• RSA: fix regression in PSS mode (#769)
• RSA: fix issue loading PKCS8 specific keys (#861)
• X509: add getOID() method (#789)
• X509: improve base64-encoded detection rules (#855)
• SFTP: fix quirky behavior with put() (#830)
• SFTP: fix E_NOTICE (#883)
• SFTP/Stream: fix issue with filenames with hashes (#901)
• SSH2: add isAuthenticated() method (#897)
• SSH/Agent: fix possible PHP warning (#923)
• BigInteger: add __debugInfo() magic method (#881)
• BigInteger: fix issue with doing bitwise not on 0
• add getBlockLength() method to symmetric ciphers

1.0.0 - 2015-08-02

• OpenSSL support for symmetric ciphers (#507)
• rewritten vt100 terminal emulator (File_ANSI) (#689)
• agent-forwarding support (System_SSH_Agent) (#592)
• Net_SSH2 improvements
  • diffie-hellman-group-exchange-sha1/sha256 support (#714)
  • window size handling updates (#717)
• Net_SFTP improvements
  • add callback support to put() (#655)
  • stat cache fixes (#743, #730, #709, #726)
• add "none" encryption mode to Crypt_RSA (#692)
• misc ASN.1 / X.509 parsing fixes (#721, #627)
• use a random serial number for new X509 certs (#740)
• add getPublicKeyFingerprint() to Crypt_RSA (#677)

0.3.10 - 2015-02-04

• simplify SSH2 window size handling (#538)
• slightly relax the conditions under which OpenSSL is used (#598)
• fix issue with empty constructed context-specific tags in ASN1 (#606)

0.3.9 - 2014-11-09

• PHP 5.6 improvements (#482, #491)

0.3.8 - 2014-09-12

• improve support for indef lengths in File_ASN1
• add hmac-sha2-256 support to Net_SSH2
• make it so negotiated algorithms can be seen before Net_SSH2 login
• add sha256-96 and sha512-96 to Crypt_Hash
• window size handling adjustments in Net_SSH2

0.3.7 - 2014-07-05

• auto-detect public vs private keys
• add file_exists, is_dir, is_file, readlink and symlink to Net_SFTP
• add support for recursive nlist and rawlist
• make it so nlist and rawlist can return pre-sorted output
• make it so callback functions can make exec() return early
• add signSPKAC and saveSPKAC methods to File_X509
• add support for PKCS8 keys in Crypt_RSA
• add pbkdf1 support to setPassword() in Crypt_Base
• add getWindowColumns, getWindowRows, setWindowColumns, setWindowRows to Net_SSH2
• add support for filenames with spaces in them to Net_SCP

0.3.6 - 2014-02-23

• add preliminary support for custom SSH subsystems
• add ssh-agent support

0.3.5 - 2013-07-11

• numerous SFTP changes:
  • chown
  • chgrp
  • truncate
  • improved file type detection
  • put() can write to the middle of a file
  • mkdir accepts the same parameters that PHP's mkdir does
  • the ability to upload/download 2GB files
• across-the-board speedups for the various encryption algorithms
• multi-factor authentication support for Net_SSH2
• a $callback parameter for Net_SSH2::exec
• new classes:
  • Net_SFTP_StreamWrapper
  • Net_SCP
  • Crypt_Twofish
  • Crypt_Blowfish

0.3.1 - 2012-11-20

• add Net_SSH2::enableQuietMode() for suppressing stderr
• add Crypt_RSA::__toString() and Crypt_RSA::getSize()
• fix problems with File_X509::validateDate(), File_X509::sign() and Crypt_RSA::verify()
• use OpenSSL to speed up modular exponention in Math_BigInteger
• improved timeout functionality in Net_SSH2
• add support for SFTPv2
• add support for CRLs in File_X509
• SSH-2.0-SSH doesn't implement hmac-*-96 correctly

0.3.0 - 2012-07-08

• add support for reuming Net_SFTP::put()
• add support for recursive deletes and recursive chmods to Net_SFTP
• add setTimeout() to Net_SSH2
• add support for PBKDF2 to the various Crypt_* classes via setPassword()
• add File_X509 and File_ASN1
• add the ability to decode various formats in Crypt_RSA
• make Net_SSH2::getServerPublicHostKey() return a printer-friendly version of the public key

0.2.2 - 2011-05-09

• CFB and OFB modes were added to all block ciphers
• support for interactive mode was added to Net_SSH2
• Net_SSH2 now has limited keyboard_interactive authentication support
• support was added for PuTTY formatted RSA private keys and XML formatted RSA private keys
• Crypt_RSA::loadKey() will now try all key types automatically
• add support for AES-128-CBC and DES-EDE3-CFB encrypted RSA private keys
• add Net_SFTP::stat(), Net_SFTP::lstat() and Net_SFTP::rawlist()
• logging was added to Net_SSH1
• the license was changed to the less restrictive MIT license