1.0.20

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