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2020-05-26fix typoMatt Johnston
2020-05-26Get rid of unused "none" cipher optionMatt Johnston
2020-05-26cast to fix warningMatt Johnston
2020-05-26merge rsa-sha256Matt Johnston
2020-05-25CBC mode cleanup (#95)Vladislav Grishenko
* Fix CBC mode can't be fully disabled * Fix CBC mode can't be the only mode
2020-05-25Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93)Vladislav Grishenko
* Add Chacha20-Poly1305 authenticated encryption * Add general AEAD approach. * Add chacha20-poly1305@openssh.com algo using LibTomCrypt chacha and poly1305 routines. Chacha20-Poly1305 is generally faster than AES256 on CPU w/o dedicated AES instructions, having the same key size. Compiling in will add ~5,5kB to binary size on x86-64. function old new delta chacha_crypt - 1397 +1397 _poly1305_block - 608 +608 poly1305_done - 595 +595 dropbear_chachapoly_crypt - 457 +457 .rodata 26976 27392 +416 poly1305_process - 290 +290 poly1305_init - 221 +221 chacha_setup - 218 +218 encrypt_packet 1068 1270 +202 dropbear_chachapoly_getlength - 147 +147 decrypt_packet 756 897 +141 chacha_ivctr64 - 137 +137 read_packet 543 637 +94 dropbear_chachapoly_start - 94 +94 read_kex_algos 792 880 +88 chacha_keystream - 69 +69 dropbear_mode_chachapoly - 48 +48 sshciphers 280 320 +40 dropbear_mode_none 24 48 +24 dropbear_mode_ctr 24 48 +24 dropbear_mode_cbc 24 48 +24 dropbear_chachapoly_mac - 24 +24 dropbear_chachapoly - 24 +24 gen_new_keys 848 854 +6 ------------------------------------------------------------------------------ (add/remove: 14/0 grow/shrink: 10/0 up/down: 5388/0) Total: 5388 bytes * Add AES128-GCM and AES256-GCM authenticated encryption * Add general AES-GCM mode. * Add aes128-gcm@openssh.com and aes256-gcm@openssh.com algo using LibTomCrypt gcm routines. AES-GCM is combination of AES CTR mode and GHASH, slower than AES-CTR on CPU w/o dedicated AES/GHASH instructions therefore disabled by default. Compiling in will add ~6kB to binary size on x86-64. function old new delta gcm_process - 1060 +1060 .rodata 26976 27808 +832 gcm_gf_mult - 820 +820 gcm_add_aad - 660 +660 gcm_shift_table - 512 +512 gcm_done - 471 +471 gcm_add_iv - 384 +384 gcm_init - 347 +347 dropbear_gcm_crypt - 309 +309 encrypt_packet 1068 1270 +202 decrypt_packet 756 897 +141 gcm_reset - 118 +118 read_packet 543 637 +94 read_kex_algos 792 880 +88 sshciphers 280 360 +80 gcm_mult_h - 80 +80 dropbear_gcm_start - 62 +62 dropbear_mode_gcm - 48 +48 dropbear_mode_none 24 48 +24 dropbear_mode_ctr 24 48 +24 dropbear_mode_cbc 24 48 +24 dropbear_ghash - 24 +24 dropbear_gcm_getlength - 24 +24 gen_new_keys 848 854 +6 ------------------------------------------------------------------------------ (add/remove: 14/0 grow/shrink: 10/0 up/down: 6434/0) Total: 6434 bytes
2020-05-25Mention Ed25519 in dropbearkey man (#94)Vladislav Grishenko
2020-05-25Add files via upload (#90)jcmathews
When SSHKeepAlive is enabled, dropbear idletimeout is not working as expected.
2020-05-25scp.c: Port OpenSSH CVE-2018-20685 fix (#80)Haelwenn Monnier
2020-05-25rsa-sha256 for ssh-agentMatt Johnston
2020-05-24send and handle SSH_MSG_EXT_INFO only at the correct pointMatt Johnston
- other fixes for rsa pubkey auth - only include ext-info handling when rsa pubkey auth is compiled
2020-05-24run linterMatt Johnston
2020-05-24Add linter for #ifdefMatt Johnston
2020-05-21Make server send SSH_MSG_EXT_INFOMatt Johnston
Ensure that only valid hostkey algorithms are sent in the first kex guess
2020-05-21Make DEBUG_NOFORK a #if not #ifdefMatt Johnston
2020-05-19ext-info handling for server-sig-algsMatt Johnston
only client side is handled
2020-05-17split signkey_type and signature_type for RSA sha1 vs sha256Matt Johnston
2020-04-06use sigtype where appropriateMatt Johnston
2020-03-27When explicitly passing --disable-fuzz to ./configure fuzz was actuallyAlexander Dahl
enabled. Signed-off-by: Alexander Dahl <ada@thorsis.com>
2020-03-10Update remaining advise to edit options.hAlexander Dahl
You should edit localoptions.h instead.
2020-03-18Handle early exit when addrstring isn't setMatt Johnston
2020-03-18Improve address logging on early exit messages (#83)Kevin Darbyshire-Bryant
Change 'Early exit' and 'Exit before auth' messages to include the IP address & port as part of the message. This allows log scanning utilities such as 'fail2ban' to obtain the offending IP address as part of the failure event instead of extracting the PID from the message and then scanning the log again for match 'child connection from' messages Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
2020-03-14mergeMatt Johnston
2020-03-14Set SSH_ORIGINAL_COMMAND for "dropbear -c" too, fix build withoutMatt Johnston
DROPBEAR_SVR_PUBKEY_OPTIONS
2020-03-14Don't log authorized_keys command= every timeMatt Johnston
2020-03-14Fallback for key gen without hard link support (#89)Matt Robinson
Add a non-atomic fallback for key generation on platforms where link() is not permitted (such as most stock Android installs) or on filesystems without hard link support (such as FAT).
2020-03-14MOTD enabled by default as the manpage says (#87)zciendor
The man page (https://github.com/mkj/dropbear/blob/master/dropbear.8) says MOTD will be printed by default for any login shell, but it was disabled at compile time. Probably happened by accident when this code was moved from `options.h` to `default_options.h`.
2020-03-12Add Ed25519 support (#91)Vladislav Grishenko
* Add support for Ed25519 as a public key type Ed25519 is a elliptic curve signature scheme that offers better security than ECDSA and DSA and good performance. It may be used for both user and host keys. OpenSSH key import and fuzzer are not supported yet. Initially inspired by Peter Szabo. * Add curve25519 and ed25519 fuzzers * Add import and export of Ed25519 keys
2019-10-18bring back fsync_parent_dirMatt Johnston
2019-09-17Bring back Dropbear patch to avoid setting AR/LD/RANLIB in LTMMatt Johnston
2019-09-17Prime-related bugfixes (#81)Steffen Jaeckel
* Merge pull request #180 from czurnieden/isprimeerror Fixed bug in mp_prime_isprime (cherry picked from commit f3ff7064f3301a2fc11b84d389fd67769862d437) * do 2 MR rounds for numbers >=2048bits * back-port modified mp_prime_next_prime()
2019-09-16update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)Steffen Jaeckel
* make key-generation compliant to FIPS 186.4 * fix includes in tommath_class.h * update fuzzcorpus instead of error-out * fixup fuzzing make-targets * update Makefile.in * apply necessary patches to ltm sources * clean-up not required ltm files * update to vanilla ltm 1.1.0 this already only contains the required files * remove set/get double
2019-05-15Rename EPKA -> PluginMatt Johnston
2019-05-15External Public-Key Authentication API (#72)fabriziobertocci
* Implemented dynamic loading of an external plug-in shared library to delegate public key authentication * Moved conditional compilation of the plugin infrastructure into the configure.ac script to be able to add -ldl to dropbear build only when the flag is enabled * Added tags file to the ignore list * Updated API to have the constructor to return function pointers in the pliugin instance. Added support for passing user name to the checkpubkey function. Added options to the session returned by the plugin and have dropbear to parse and process them * Added -rdynamic to the linker flags when EPKA is enabled * Changed the API to pass a previously created session to the checkPubKey function (created during preauth) * Added documentation to the API * Added parameter addrstring to plugin creation function * Modified the API to retrieve the auth options. Instead of having them as field of the EPKASession struct, they are stored internally (plugin-dependent) in the plugin/session and retrieved through a pointer to a function (in the session) * Changed option string to be a simple char * instead of unsigned char *
2019-03-27Added signature for changeset ebcdb893992dMatt Johnston
2019-03-27Added tag DROPBEAR_2019.78 for changeset 009d52ae26d3Matt Johnston
2019-03-27Bump to 2019.78Matt Johnston
2019-03-24Fix regression where TTY modes weren't reset for clientMatt Johnston
2019-03-23Added signature for changeset 07b0d56d186dMatt Johnston
2019-03-23Added tag DROPBEAR_2019.77 for changeset 6d1bbe7d5fa5Matt Johnston
2019-03-232019.77Matt Johnston
2019-03-23use "openssl sha256"Matt Johnston
2019-03-23Update config.sub to 2019-01-05 and config.guess to 2019-03-04Matt Johnston
2019-03-21fix constness build errorMatt Johnston
2019-03-21limit password length to 100Matt Johnston
2019-03-20Increase MAX_USERNAME_LEN to 100Matt Johnston
2019-03-20dropbearconvert: keyimport.c: fix BER encoding of secp521r1 keys (#69)Christian Hohnstädt
keysizes >= 128 octets will be encoded with a 3 byte header which must be accounted by the optional-header Reproduce: master:~/build/dropbear$ ./dropbearkey -t ecdsa -s 521 -f K Generating 521 bit ecdsa key, this may take a while... master:~/build/dropbear$ ./dropbearconvert d o K L Key is a ecdsa-sha2-nistp521 key Wrote key to 'L' master:~/build/dropbear$ openssl ec < L read EC key unable to load Key 139769806448384:error:0D07209B:asn1 encoding routines:ASN1_get_object:too long:crypto/asn1/asn1_lib.c:91:
2019-03-20support openssh long option -o Port=XXXX (#68)xcko
2019-03-20cygwin competibility fix (#64)karel-m
2019-03-20drop obsolete definition for MAX_KEXHASHBUF (#65)Andre McCurdy
The last code to make use of MAX_KEXHASHBUF was removed in 2005: https://github.com/mkj/dropbear/commit/736f370dce614b717193f45d084e9e009de723ce Signed-off-by: Andre McCurdy <armccurdy@gmail.com>