{"header":{"message":"Adding support for MACs and AES in CTR mode","description":null,"timestamp":"2025-08-28T14:24:55.82582628Z","authors":[{}]},"hash":"LYRZREY75IOPQJ3DMJJB4SINAEVI5P5TE32SSFO7QKFBDYVXXKNAC","authors":[{"login":"pmeunier","key":"FZQ2g7VfnzLYM4mtTVDk9HAZjA8Jk9ndkwN1icgbtWUr"}],"deps":{"hashes":[["LYRZREY75IOPQJ3DMJJB4SINAEVI5P5TE32SSFO7QKFBDYVXXKNAC","Adding support for MACs and AES in CTR mode"],["AA",null],["5EV2X6V42RKTOER62WQPTLMCES74WAIZI6IR7IJJPFYQ7Q4VMTTAC","Version bump/nix shell"],["WX7UY5KKUXOHBGPNWJC6ZQDQ3LFGNTKGF6ZQFIPYNI6H5IMWGOYAC","Adding support for aes256-gcm"],["SKTE2HF665D2NL7TVZAADZDKHLKZKKEC7CLNKSYSJM36TRBWWVZQC","Version 0.37"],["OBHPOIUH2CPAB2ORVMOGAAQVN4NYP6GHGTIODEQ46VUFNZIUAIRQC","Modernising the API with async traits"],["PDTFLA4Y5NOIBAIHW4OV2HMF6Q4CXJTDLTZQEVOUBUMHXXXM4BLAC","Version 0.30.7"],["BWU5BDAHGIXW7WAFREHUAP5AZ2DUN6F57OWYWCIH46QLLF5TFFZAC","Thrussh-keys 0.19.5"],["VJIXIN4TVZX2ZELE3H5PVZIO6JIG7JZ3UKEJC7TAUYLOPW6GOGOQC","Fixing CVE-2023-48795"],["VYDCQWSFMKNH4WO63IE3Q2I5BRRPMLUQEATDYTSKZ2B2NXNYELDQC","Version 0.30.6"],["ELRPPXSG6ZSA3ZAUXIJKBJ2HQDATQEPWKVO746YRIBY6GZLHJMVAC","Fixing conflicts"],["EZTTZ6OWY4X4COIXNQZFE3C7G6F36XOVCST7PXU7THFNSPRKNWWAC","Fixing terrapin, again"],["AWVLXGAWN3EGR64IK6TGDXQF4LRD2W44MJJ3RAGWKFTL6JMH664AC","Removing anyhows on Windows"],["P5SAD7JF4RWKLAZU77AHEN6YCYKBUNTCSEQVNYDKPNCZH4C25ZQAC","Version bump (+ formatting)"],["CQSPFH4HFNKYT2B23UMXCO26P3DBJFEDXF3VVZPQX4QMLZ6UDIOAC","Version 0.30.4"],["XCNFFN6ZBG7VFHKSOPHDILZ72YQUNRZFTXVGD2IVQKSH4AVQTJOQC","Thrussh-keys, version 0.19.3"],["2Q3SZY2CYYLQU5KOTZMVYBQ5B2T4K2Z37VN7PPR4DLBAAHS6XJUAC","Version bump"],["7FRJYUI62VW257VVFQXND6OKSAILVTHGEJCXFE6CG6FIOIUTDVYAC","Reboot because of a bad change"],["MFMCIUMJUYCV2GW5P25D5753YBYXWIMLWKKWX4PABEM7ACUIBGWAC","Fixing authentication with RSA"],["2VTUKRLJMTEU573LODPJQI5OOV7G7J26OHLCODN7E4GQPN3OKMWAC","Version"],["MCS77Y4VJGB6TU2HOLASGSRW4B6MT74XABD4KYALIRS54GGN2DDQC","Making OpenSSL optional"],["ASD7JVBE5JDXVE7HFL2ZEEBOQZQ7WTROZNDC2EPNKQ2HNMI4LO5QC","Do not read past the size of the buffer (after Tokio 0.3)"],["E2SB74SVXGGLM7CW2IRWXKJJSZAIQT5JXL6RMGNBXJQPQEXTZNIQC","Version 0.30.3"],["7Y2ROIVZVUMSCIZ6XFFXUKLLE5K7UMKEYYYSSCJJQXNZPQMH3FYAC","Version bump"],["Q323RFJSTFYUJ5FPTKT4NI7DK3KDC3O4YLBDEYWKEYCA7G276SUQC","Version bump"],["Y67GNDVBCXX5V3SL3OAQCU3NX52OR34NXK7ARKHK7EQDGCLVTHTQC","use tokio::process::Command for proxy commands"],["XEKZBXNINGU2NELIKOQXWY5SS4MOVEVXX3QWQUSN42X7V46CQDKQC","Fixing a bug with tokio::select"],["TFYJ3P2AJXRWFYSG6MV7SVN6SOKMO2H2YZD7M6PYQJO6KGYBDCOAC","Version 0.30.8/0.19.4, and solving conflicts"],["FT67GGO45RNEBZZXT5RRIQOOQKZ5IW2CJXORMCCGITC7VOBGKDJAC","Version bump (Pijul and Thrussh)"],["WXZWQLGLNQ3QRHMBH7YPTHKSPUST4HD34H3PW5E4LHQYH3KLNHYAC","Correct negotiation without OpenSSL"],["UHAEQPZUODJ5YVBZJPPJVLO7EBW6DC2JXHQBN26ARELAVULG3JUQC","Support ecdsa-sha2-nistp256 keys for authentication"],["32GIIFWR6CUE24WCZJHM2D76QVXV4SNPOUNXJB62LGALJJSWCZUQC","Fixing strict mode"],["BRDS7STAKAIUHJ2ORB3HLPMQCXILWWOC5DPXKL6P2AT7CUSZD4OQC","Adding method `send_channel_msg` to client::Session, to make it easier to write handlers"],["2WEO7OZLWJJPUYK4WXLT5FD46G2MAEIHEYMDW5GASCBUNKOPXCVAC","Version updates: getting rid of anyhow + moving to Tokio 1.0"],["ORSEEVB5ZBACWJH7J3BPQOLZVNNHBQU3A24VNQXI4TU4SUEVQ2JQC","Version bump"],["634OYCNMVRRKALVMFBHK2S4L2AFLAJB6F5XASS4CWYMVSCEQQWHAC","Tokio 0.3"],["CWHVPLXNLIMFJVIHVLGRWLIFU3O6OSNQEF5JN4MRT3MHGQLKICVAC","Version bump"],["NHOSLQGG4CIWBE7VKL5MB7PSY3RZ5IVDFENMGZG6X755GGZ6B3VQC","Thrussh: making OpenSSL optional"],["G3FNNIIUCVMPJUICDYPXVS6BP6225LIQZOV5MRNEGCBC5QY3N6NAC","Limiting the amount of messages that can be buffered while rekeying to two channel windows"],["UT24SM2F62FI6AJV6DN3TJXPKAZYCEAK4VXCNAFWLPGVEB5UQ67AC","Version bump"],["D6H7OWTTMHHX6BTB3B6MNBOBX2L66CBL4LGSEUSAI2MCRCJDQFRQC","Fixing the terrapin attack mitigation"],["R5J3MB56IIS5WH5TLUFDNUR4CEGNQFDHCHXKOFXQP2UKZSAWTRGQC","Client newkeys was not always resetting the sequence counter"],["SMUTYV2CTAFI2CCZW3K6FSO2PNTIBQZOPKKURC3P2HZYBQNMP7CAC","Fixing warnings"],["6TIVIM7M5SSMOIGWZXI4ZNP3ENPARE45T3JRVUDNAQRYZQFYRVNAC","Version of thrussh-keys"],["662ZS5JF3ZA4HV65PNPWQJXXTU34WQE3AUN5CBHRLJHMUJMSDPTAC","Version 0.33.2"],["EUHO3DAZ4D3LMHYJDLVLXBHIFAUKXMNFNDLE5ZHG4T7SVJMG55EAC","Send a SSH_MSG_EXT_INFO with server-sig-algs when the client indicates they support extensions by sending ext-info-c. This allows modern clients that don't do ssh-rsa anymore because of sha1 to still use RSA keys with sha2."],["OQZGSEWMQXOSEDB6ACSY7NTNZYIYX4ECZWXJ6JD5I7FC64JHTLIQC","Buffering non-kex packets received after issuing a KEXINIT"],["DJT33BQECN43WZRTPLGJLHOGEBHQU22XDYAOYRWWP5V4PY3IDMCAC","Version 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fn memcmp(a: &[u8], b: &[u8]) -> bool {"},{"Add":" unsafe {"},{"Add":" sodium_memcmp("},{"Add":" a.as_ptr() as *const libc::c_void,"},{"Add":" b.as_ptr() as *const libc::c_void,"},{"Add":" a.len().min(b.len()),"},{"Add":" ) == 0"},{"Add":" }"}]}},{"Edit":{"inode":{"change":5,"pos":37},"path":"thrussh-libsodium/src/lib.rs","line":51,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":1147}],"down_context":[{"change":5,"pos":1147}],"flag":"BLOCK","start":233,"end":926,"inode":{"change":5,"pos":37}}},"contents":[{"Add":" }"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"pub mod hmac256 {"},{"Add":" pub const KEY_BYTES: usize = libsodium_sys::crypto_auth_hmacsha256_KEYBYTES as usize;"},{"Add":" pub const BYTES: usize = libsodium_sys::crypto_auth_hmacsha256_BYTES as usize;"},{"Add":""},{"Add":" pub fn init_state(key: &[u8; KEY_BYTES]) -> libsodium_sys::crypto_auth_hmacsha256_state {"},{"Add":" unsafe {"},{"Add":" let mut state = std::mem::zeroed();"},{"Add":" libsodium_sys::crypto_auth_hmacsha256_init(&mut state, key.as_ptr(), KEY_BYTES);"},{"Add":" state"},{"Add":" }"},{"Add":" }"},{"Add":""},{"Add":" pub fn update(s: &mut libsodium_sys::crypto_auth_hmacsha256_state, msg: &[u8]) {"},{"Add":" unsafe {"},{"Add":" libsodium_sys::crypto_auth_hmacsha256_update(s, msg.as_ptr(), msg.len() as u64);"}]}},{"Edit":{"inode":{"change":5,"pos":37},"path":"thrussh-libsodium/src/lib.rs","line":72,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":1163}],"down_context":[{"change":5,"pos":1163}],"flag":"BLOCK","start":927,"end":1168,"inode":{"change":5,"pos":37}}},"contents":[{"Add":""},{"Add":" pub fn finalize(s: &mut libsodium_sys::crypto_auth_hmacsha256_state, out: &mut [u8]) {"},{"Add":" assert_eq!(out.len(), BYTES);"},{"Add":" unsafe {"},{"Add":" libsodium_sys::crypto_auth_hmacsha256_final(s, out.as_mut_ptr());"},{"Add":" }"},{"Add":" }"}]}},{"Replacement":{"inode":{"change":5,"pos":5310},"path":"thrussh-libsodium/Cargo.toml","line":3,"ins":{"up_context":[{"change":5,"pos":5348}],"down_context":[{"change":5,"pos":5366}],"flag":"BLOCK","start":1169,"end":1187,"inode":{"change":5,"pos":5310}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":5348},"to":{"change":2,"start":0,"end":18},"introduced_by":2}],"inode":{"change":5,"pos":5310}},"ins_contents":[{"Add":"version = \"0.4.0\""}],"del_contents":[{"Del":"version = \"0.2.2\"\n"}]}},{"Replacement":{"inode":{"change":5,"pos":157024},"path":"thrussh-keys/Cargo.toml","line":3,"ins":{"up_context":[{"change":5,"pos":157057}],"down_context":[{"change":5,"pos":157076}],"flag":"BLOCK","start":1188,"end":1207,"inode":{"change":5,"pos":157024}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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\"0.7.0\"\n"}]}},{"Replacement":{"inode":{"change":5,"pos":157024},"path":"thrussh-keys/Cargo.toml","line":49,"ins":{"up_context":[{"change":5,"pos":158187}],"down_context":[{"change":5,"pos":14059}],"flag":"BLOCK","start":1229,"end":1255,"inode":{"change":5,"pos":157024}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":158187},"to":{"change":5,"start":14033,"end":14059},"introduced_by":5}],"inode":{"change":5,"pos":157024}},"ins_contents":[{"Add":"thrussh-libsodium = \"0.4\""}],"del_contents":[{"Del":"thrussh-libsodium = \"0.2\"\n"}]}},{"Replacement":{"inode":{"change":5,"pos":171602},"path":"thrussh/src/session.rs","line":18,"ins":{"up_context":[{"change":5,"pos":172339}],"down_context":[{"change":5,"pos":172339}],"flag":"BLOCK","start":1256,"end":1311,"inode":{"change":5,"pos":171602}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":172339},"to":{"change":5,"start":361,"end":411},"introduced_by":5}],"inode":{"change":5,"pos":171602}},"ins_contents":[{"Add":"use crate::{auth, cipher, kex, mac, msg, negotiation};"}],"del_contents":[{"Del":"use crate::{auth, cipher, kex, msg, negotiation};\n"}]}},{"Replacement":{"inode":{"change":5,"pos":171602},"path":"thrussh/src/session.rs","line":34,"ins":{"up_context":[{"change":5,"pos":172775}],"down_context":[{"change":5,"pos":0}],"flag":"BLOCK","start":1312,"end":1336,"inode":{"change":5,"pos":171602}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":172775},"to":{"change":5,"start":172775,"end":172810},"introduced_by":5}],"inode":{"change":5,"pos":171602}},"ins_contents":[{"Add":" pub mac: mac::Name,"}],"del_contents":[{"Del":" pub mac: Option<&'static 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is_server)?;\n"}]}},{"Replacement":{"inode":{"change":5,"pos":268386},"path":"thrussh/src/negotiation.rs","line":15,"ins":{"up_context":[{"change":5,"pos":268986}],"down_context":[{"change":5,"pos":269024}],"flag":"BLOCK","start":1515,"end":1558,"inode":{"change":5,"pos":268386}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":268986},"to":{"change":5,"start":4433,"end":4471},"introduced_by":5}],"inode":{"change":5,"pos":268386}},"ins_contents":[{"Add":"use crate::{Error, cipher, kex, mac, msg};"}],"del_contents":[{"Del":"use crate::{Error, cipher, kex, msg};\n"}]}},{"Replacement":{"inode":{"change":5,"pos":268386},"path":"thrussh/src/negotiation.rs","line":30,"ins":{"up_context":[{"change":5,"pos":269388}],"down_context":[{"change":5,"pos":269423}],"flag":"BLOCK","start":1559,"end":1583,"inode":{"change":5,"pos":268386}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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&[\"none\"],\n"}]}},{"Replacement":{"inode":{"change":5,"pos":268386},"path":"thrussh/src/negotiation.rs","line":89,"ins":{"up_context":[{"change":3,"pos":155}],"down_context":[{"change":5,"pos":15634}],"flag":"BLOCK","start":1656,"end":1715,"inode":{"change":5,"pos":268386}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":3,"pos":155},"to":{"change":5,"start":15610,"end":15634},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":15610},"to":{"change":5,"start":15610,"end":15634},"introduced_by":5}],"inode":{"change":5,"pos":268386}},"ins_contents":[{"Add":" mac: &[mac::hmac_sha256::NAME, mac::Name(\"none\")],"}],"del_contents":[{"Del":" mac: &[\"none\"],\n"}]}},{"Replacement":{"inode":{"change":5,"pos":268386},"path":"thrussh/src/negotiation.rs","line":99,"ins":{"up_context":[{"change":5,"pos":900}],"down_context":[{"change":5,"pos":924}],"flag":"BLOCK","start":1716,"end":1751,"inode":{"change":5,"pos":268386}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":900},"to":{"change":5,"start":900,"end":924},"introduced_by":5}],"inode":{"change":5,"pos":268386}},"ins_contents":[{"Add":" mac: &[mac::Name(\"none\")],"}],"del_contents":[{"Del":" mac: &[\"none\"],\n"}]}},{"Replacement":{"inode":{"change":5,"pos":268386},"path":"thrussh/src/negotiation.rs","line":109,"ins":{"up_context":[{"change":5,"pos":15949}],"down_context":[{"change":5,"pos":15973}],"flag":"BLOCK","start":1752,"end":1787,"inode":{"change":5,"pos":268386}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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&[\"none\"],\n"}]}},{"Replacement":{"inode":{"change":5,"pos":268386},"path":"thrussh/src/negotiation.rs","line":129,"ins":{"up_context":[{"change":3,"pos":311}],"down_context":[{"change":5,"pos":108}],"flag":"BLOCK","start":1848,"end":1907,"inode":{"change":5,"pos":268386}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":3,"pos":311},"to":{"change":5,"start":84,"end":108},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":84},"to":{"change":5,"start":84,"end":108},"introduced_by":5}],"inode":{"change":5,"pos":268386}},"ins_contents":[{"Add":" mac: &[mac::hmac_sha256::NAME, mac::Name(\"none\")],"}],"del_contents":[{"Del":" mac: &[\"none\"],\n"}]}},{"Replacement":{"inode":{"change":5,"pos":268386},"path":"thrussh/src/negotiation.rs","line":139,"ins":{"up_context":[{"change":5,"pos":270274}],"down_context":[{"change":5,"pos":270298}],"flag":"BLOCK","start":1908,"end":1943,"inode":{"change":5,"pos":268386}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":270274},"to":{"change":5,"start":270274,"end":270298},"introduced_by":5}],"inode":{"change":5,"pos":268386}},"ins_contents":[{"Add":" mac: &[mac::Name(\"none\")],"}],"del_contents":[{"Del":" mac: &[\"none\"],\n"}]}},{"Replacement":{"inode":{"change":5,"pos":268386},"path":"thrussh/src/negotiation.rs","line":149,"ins":{"up_context":[{"change":5,"pos":270568}],"down_context":[{"change":5,"pos":1932}],"flag":"BLOCK","start":1944,"end":1979,"inode":{"change":5,"pos":268386}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":270568},"to":{"change":5,"start":270568,"end":270592},"introduced_by":5}],"inode":{"change":5,"pos":268386}},"ins_contents":[{"Add":" mac: &[mac::Name(\"none\")],"}],"del_contents":[{"Del":" mac: &[\"none\"],\n"}]}},{"Replacement":{"inode":{"change":5,"pos":268386},"path":"thrussh/src/negotiation.rs","line":262,"ins":{"up_context":[{"change":5,"pos":273024}],"down_context":[{"change":5,"pos":273134}],"flag":"BLOCK","start":1980,"end":2396,"inode":{"change":5,"pos":268386}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":273024},"to":{"change":5,"start":273024,"end":273134},"introduced_by":5}],"inode":{"change":5,"pos":268386}},"ins_contents":[{"Add":" let mac_string = r.read_string()?;"},{"Add":" let mac = Self::select(pref.mac, mac_string);"},{"Add":" if mac.is_none() {"},{"Add":" debug!("},{"Add":" \"Could not find common mac, other side only supports {:?}, we only support {:?}\","},{"Add":" from_utf8(mac_string),"},{"Add":" pref.mac"},{"Add":" );"},{"Add":" return Err(Error::NoCommonMac.into());"},{"Add":" }"},{"Add":" let mac = mac.unwrap().1;"}],"del_contents":[{"Del":" let mac = Self::select(pref.mac, r.read_string()?);\n let mac = mac.and_then(|(_, x)| Some(x));\n"}]}},{"FileAdd":{"meta":{"basename":"mac","metadata":576},"context":[{"change":5,"pos":165404}],"contents":[]}},{"FileAdd":{"meta":{"basename":"mod.rs","metadata":0},"context":[{"change":0,"pos":2412}],"contents":[{"Add":"pub enum MacKey {"},{"Add":" None,"},{"Add":" HmacSha256(hmac_sha256::Key),"},{"Add":"}"},{"Add":""},{"Add":"impl MacKey {"},{"Add":" pub fn len(&self) -> usize {"},{"Add":" match self {"},{"Add":" MacKey::None => 0,"},{"Add":" MacKey::HmacSha256(_) => thrussh_libsodium::hmac256::BYTES,"},{"Add":" }"},{"Add":" }"},{"Add":""},{"Add":" pub fn authenticate(&self, number: u32, b: &[u8], out: &mut [u8]) {"},{"Add":" match self {"},{"Add":" MacKey::None => {}"},{"Add":" MacKey::HmacSha256(k) => hmac_sha256::authenticate(k, number, b, out),"},{"Add":" }"},{"Add":" }"},{"Add":""},{"Add":" pub fn verify(&self, number: u32, b: &[u8], out: &[u8]) -> bool {"},{"Add":" match self {"},{"Add":" MacKey::None => true,"},{"Add":" MacKey::HmacSha256(k) => hmac_sha256::verify(k, number, b, out),"},{"Add":" }"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"#[derive(Debug, PartialEq, Eq, Copy, Clone)]"},{"Add":"pub struct Name(pub &'static str);"},{"Add":"impl AsRef for Name {"},{"Add":" fn as_ref(&self) -> &str {"},{"Add":" self.0"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"pub struct Mac {"},{"Add":" pub _name: Name,"},{"Add":" pub key_len: usize,"},{"Add":" pub make_key: fn(key: &[u8]) -> MacKey,"},{"Add":"}"},{"Add":""},{"Add":"pub mod hmac_sha256 {"},{"Add":" use byteorder::{BigEndian, ByteOrder};"},{"Add":" pub const NAME: super::Name = super::Name(\"hmac-sha2-256\");"},{"Add":" pub struct Key([u8; thrussh_libsodium::hmac256::KEY_BYTES]);"},{"Add":" pub const MAC: super::Mac = super::Mac {"},{"Add":" _name: NAME,"},{"Add":" key_len: 32,"},{"Add":" make_key,"},{"Add":" };"},{"Add":""},{"Add":" fn make_key(b: &[u8]) -> super::MacKey {"},{"Add":" let mut k = Key([0; thrussh_libsodium::hmac256::KEY_BYTES]);"},{"Add":" k.0.clone_from_slice(b);"},{"Add":" super::MacKey::HmacSha256(k)"},{"Add":" }"},{"Add":""},{"Add":" pub fn authenticate(k: &Key, number: u32, b: &[u8], out: &mut [u8]) {"},{"Add":" let mut s = thrussh_libsodium::hmac256::init_state(&k.0);"},{"Add":" let mut n = [0; 4];"},{"Add":" BigEndian::write_u32(&mut n, number);"},{"Add":" thrussh_libsodium::hmac256::update(&mut s, &n);"},{"Add":" thrussh_libsodium::hmac256::update(&mut s, b);"},{"Add":" thrussh_libsodium::hmac256::finalize(&mut s, out);"},{"Add":" }"},{"Add":""},{"Add":" pub fn verify(k: &Key, number: u32, b: &[u8], h: &[u8]) -> bool {"},{"Add":" let mut s = thrussh_libsodium::hmac256::init_state(&k.0);"},{"Add":" let mut n = [0; 4];"},{"Add":" BigEndian::write_u32(&mut n, number);"},{"Add":" thrussh_libsodium::hmac256::update(&mut s, &n);"},{"Add":" thrussh_libsodium::hmac256::update(&mut s, b);"},{"Add":" let mut out = [0; thrussh_libsodium::hmac256::BYTES];"},{"Add":" thrussh_libsodium::hmac256::finalize(&mut s, &mut out);"},{"Add":" thrussh_libsodium::memcmp(&out, h)"},{"Add":" }"},{"Add":"}"}]}},{"Edit":{"inode":{"change":5,"pos":278640},"path":"thrussh/src/lib.rs","line":268,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":289968}],"down_context":[{"change":5,"pos":289968}],"flag":"BLOCK","start":4803,"end":4816,"inode":{"change":5,"pos":278640}}},"contents":[{"Add":"pub mod mac;"}]}},{"Replacement":{"inode":{"change":5,"pos":278640},"path":"thrussh/src/lib.rs","line":322,"ins":{"up_context":[{"change":5,"pos":291116}],"down_context":[{"change":5,"pos":291153}],"flag":"BLOCK","start":4817,"end":4850,"inode":{"change":5,"pos":278640}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":291116},"to":{"change":5,"start":291116,"end":291153},"introduced_by":5}],"inode":{"change":5,"pos":278640}},"ins_contents":[{"Add":" #[error(\"No common cipher\")]"}],"del_contents":[{"Del":" #[error(\"No common key cipher\")]\n"}]}},{"Edit":{"inode":{"change":5,"pos":278640},"path":"thrussh/src/lib.rs","line":325,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":291174}],"down_context":[{"change":5,"pos":291174}],"flag":"BLOCK","start":4851,"end":4922,"inode":{"change":5,"pos":278640}}},"contents":[{"Add":" /// No common mac."},{"Add":" #[error(\"No common mac\")]"},{"Add":" NoCommonMac,"},{"Add":""}]}},{"Edit":{"inode":{"change":5,"pos":278640},"path":"thrussh/src/lib.rs","line":365,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":292082}],"down_context":[{"change":5,"pos":292082}],"flag":"BLOCK","start":4923,"end":5029,"inode":{"change":5,"pos":278640}}},"contents":[{"Add":" /// The remote provided a wrong MAC."},{"Add":" #[error(\"Wrong message authentication code\")]"},{"Add":" WrongMAC,"},{"Add":""}]}},{"Replacement":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":15,"ins":{"up_context":[{"change":5,"pos":307516}],"down_context":[{"change":5,"pos":307547}],"flag":"BLOCK","start":5030,"end":5066,"inode":{"change":5,"pos":306916}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":307516},"to":{"change":5,"start":307516,"end":307547},"introduced_by":5}],"inode":{"change":5,"pos":306916}},"ins_contents":[{"Add":"use crate::{cipher, key, mac, msg};"}],"del_contents":[{"Del":"use crate::{cipher, key, msg};\n"}]}},{"Edit":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":57,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":308508}],"down_context":[{"change":5,"pos":308508}],"flag":"BLOCK","start":5067,"end":5140,"inode":{"change":5,"pos":306916}}},"contents":[{"Add":" static MAC_BUF: RefCell = RefCell::new(CryptoVec::new());"}]}},{"Edit":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":164,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":312120}],"down_context":[{"change":5,"pos":312120}],"flag":"BLOCK","start":5141,"end":5165,"inode":{"change":5,"pos":306916}}},"contents":[{"Add":" mac: mac::Name,"}]}},{"Edit":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":171,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":677}],"down_context":[{"change":5,"pos":312336}],"flag":"BLOCK","start":5166,"end":5289,"inode":{"change":5,"pos":306916}}},"contents":[{"Add":" #[cfg(feature = \"openssl\")]"},{"Add":" super::cipher::aes256_ctr::NAME => &super::cipher::aes256_ctr::CIPHER,"}]}},{"Edit":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":176,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":312381}],"down_context":[{"change":5,"pos":312381}],"flag":"BLOCK","start":5290,"end":5493,"inode":{"change":5,"pos":306916}}},"contents":[{"Add":" let mac = match mac {"},{"Add":" super::mac::hmac_sha256::NAME => Some(&super::mac::hmac_sha256::MAC),"},{"Add":" super::mac::Name(\"none\") => None,"},{"Add":" _ => unreachable!(),"},{"Add":" };"},{"Add":""}]}},{"Replacement":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":186,"ins":{"up_context":[{"change":3,"pos":713}],"down_context":[{"change":5,"pos":312876}],"flag":"BLOCK","start":5494,"end":6591,"inode":{"change":5,"pos":306916}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":713},"to":{"change":3,"start":713,"end":950},"introduced_by":3}],"inode":{"change":5,"pos":306916}},"ins_contents":[{"Add":" MAC_BUF.with(|mac_buf| {"},{"Add":" let compute_key ="},{"Add":" |c, key: &mut CryptoVec, len| -> Result<(), crate::Error> {"},{"Add":" let mut buffer = buffer.borrow_mut();"},{"Add":" buffer.clear();"},{"Add":" key.clear();"},{"Add":""},{"Add":" if let Some(ref shared) = self.shared_secret {"},{"Add":" buffer.extend_ssh_mpint(&shared.0);"},{"Add":" }"},{"Add":""},{"Add":" buffer.extend(exchange_hash.as_ref());"},{"Add":" buffer.push(c);"},{"Add":" buffer.extend(session_id.as_ref());"},{"Add":" let hash = {"},{"Add":" use sha2::Digest;"},{"Add":" let mut hasher = sha2::Sha256::new();"},{"Add":" hasher.update(&buffer[..]);"},{"Add":" hasher.finalize()"},{"Add":" };"},{"Add":" key.extend(hash.as_ref());"}],"del_contents":[{"Del":" let compute_key = |c, key: &mut CryptoVec, len| -> Result<(), crate::Error> {\n let mut buffer = buffer.borrow_mut();\n buffer.clear();\n key.clear();\n"}]}},{"Replacement":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":208,"ins":{"up_context":[{"change":5,"pos":312877}],"down_context":[{"change":3,"pos":951}],"flag":"BLOCK","start":6592,"end":7642,"inode":{"change":5,"pos":306916}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":313463},"to":{"change":5,"start":313463,"end":313624},"introduced_by":5}],"inode":{"change":5,"pos":306916}},"ins_contents":[{"Add":" while key.len() < len {"},{"Add":" // extend."},{"Add":" buffer.clear();"},{"Add":" if let Some(ref shared) = self.shared_secret {"},{"Add":" buffer.extend_ssh_mpint(&shared.0);"},{"Add":" }"},{"Add":" buffer.extend(exchange_hash.as_ref());"},{"Add":" buffer.extend(key);"},{"Add":" let hash = {"},{"Add":" use sha2::Digest;"},{"Add":" let mut hasher = sha2::Sha256::new();"},{"Add":" hasher.update(&buffer[..]);"},{"Add":" hasher.finalize()"},{"Add":" };"},{"Add":" key.extend(&hash.as_ref());"},{"Add":" }"},{"Add":" key.resize(len);"},{"Add":" Ok(())"},{"Add":" };"}],"del_contents":[{"Del":" if let Some(ref shared) = self.shared_secret {\n buffer.extend_ssh_mpint(&shared.0);\n }\n"}]}},{"Replacement":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":228,"ins":{"up_context":[{"change":3,"pos":952}],"down_context":[{"change":5,"pos":313950}],"flag":"BLOCK","start":7643,"end":8163,"inode":{"change":5,"pos":306916}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":3,"pos":952},"to":{"change":5,"start":313624,"end":313687},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":313624},"to":{"change":5,"start":313624,"end":313687},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":313687},"to":{"change":3,"start":953,"end":1053},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1053},"to":{"change":5,"start":313731,"end":313768},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":313731},"to":{"change":5,"start":313731,"end":313768},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":313768},"to":{"change":5,"start":1662,"end":1876},"introduced_by":5}],"inode":{"change":5,"pos":306916}},"ins_contents":[{"Add":" let ("},{"Add":" local_to_remote,"},{"Add":" local_to_remote_iv,"},{"Add":" local_to_remote_mac,"},{"Add":" remote_to_local,"},{"Add":" remote_to_local_iv,"},{"Add":" remote_to_local_mac,"},{"Add":" ) = if is_server {"},{"Add":" (b'D', b'B', b'F', b'C', b'A', b'E')"},{"Add":" } else {"},{"Add":" (b'C', b'A', b'E', b'D', b'B', b'F')"}],"del_contents":[{"Del":" buffer.extend(exchange_hash.as_ref());\n"},{"Del":" buffer.push(c);\n buffer.extend(session_id.as_ref());\n"},{"Del":" let hash = {\n"},{"Del":" use sha2::Digest;\n let mut hasher = sha2::Sha256::new();\n hasher.update(&buffer[..]);\n hasher.finalize()\n"}]}},{"Edit":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":240,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":313977},"to":{"change":3,"start":1054,"end":1105},"introduced_by":3}],"inode":{"change":5,"pos":306916}}},"contents":[{"Del":" key.extend(hash.as_ref());\n"}]}},{"Replacement":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":241,"ins":{"up_context":[{"change":5,"pos":314098}],"down_context":[{"change":3,"pos":1883}],"flag":"BLOCK","start":8164,"end":8488,"inode":{"change":5,"pos":306916}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":314098},"to":{"change":3,"start":1106,"end":1883},"introduced_by":3}],"inode":{"change":5,"pos":306916}},"ins_contents":[{"Add":" let mut key = key.borrow_mut();"},{"Add":" compute_key(local_to_remote, &mut key, cipher.key_len)?;"},{"Add":" let mut iv = iv.borrow_mut();"},{"Add":" if cipher.iv_len > 0 {"},{"Add":" compute_key(local_to_remote_iv, &mut iv, cipher.iv_len)?;"}],"del_contents":[{"Del":" while key.len() < len {\n // extend.\n buffer.clear();\n if let Some(ref shared) = self.shared_secret {\n buffer.extend_ssh_mpint(&shared.0);\n }\n buffer.extend(exchange_hash.as_ref());\n buffer.extend(key);\n let hash = {\n use sha2::Digest;\n let mut hasher = sha2::Sha256::new();\n hasher.update(&buffer[..]);\n hasher.finalize()\n };\n key.extend(&hash.as_ref());\n"}]}},{"Edit":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":247,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1909},"to":{"change":3,"start":1909,"end":2004},"introduced_by":3}],"inode":{"change":5,"pos":306916}}},"contents":[{"Del":" key.resize(len);\n Ok(())\n };\n"}]}},{"Replacement":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":248,"ins":{"up_context":[{"change":3,"pos":2005}],"down_context":[{"change":3,"pos":2198}],"flag":"BLOCK","start":8489,"end":8775,"inode":{"change":5,"pos":306916}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":2005},"to":{"change":3,"start":2005,"end":2198},"introduced_by":3}],"inode":{"change":5,"pos":306916}},"ins_contents":[{"Add":" let local_to_remote_mac = if let Some(mac) = mac {"},{"Add":" let mut mac_buf = mac_buf.borrow_mut();"},{"Add":" compute_key(local_to_remote_mac, &mut mac_buf, mac.key_len)?;"},{"Add":" (mac.make_key)(&mac_buf)"}],"del_contents":[{"Del":" let (local_to_remote, local_to_remote_iv, remote_to_local, remote_to_local_iv) =\n if is_server {\n (b'D', b'B', b'C', b'A')\n"}]}},{"Replacement":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":253,"ins":{"up_context":[{"change":3,"pos":2231}],"down_context":[{"change":3,"pos":2284}],"flag":"BLOCK","start":8776,"end":8822,"inode":{"change":5,"pos":306916}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":2231},"to":{"change":3,"start":2231,"end":2284},"introduced_by":3}],"inode":{"change":5,"pos":306916}},"ins_contents":[{"Add":" mac::MacKey::None"}],"del_contents":[{"Del":" (b'C', b'A', b'D', b'B')\n"}]}},{"Replacement":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":256,"ins":{"up_context":[{"change":5,"pos":314281}],"down_context":[{"change":5,"pos":314476}],"flag":"BLOCK","start":8823,"end":8959,"inode":{"change":5,"pos":306916}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":314281},"to":{"change":3,"start":2312,"end":2721},"introduced_by":3}],"inode":{"change":5,"pos":306916}},"ins_contents":[{"Add":" let local_to_remote ="},{"Add":" (cipher.make_sealing_cipher)(&key, &iv, local_to_remote_mac);"}],"del_contents":[{"Del":" let mut key = key.borrow_mut();\n compute_key(local_to_remote, &mut key, cipher.key_len)?;\n let mut iv = iv.borrow_mut();\n if cipher.iv_len > 0 {\n compute_key(local_to_remote_iv, &mut iv, cipher.iv_len)?;\n }\n let local_to_remote = (cipher.make_sealing_cipher)(&key, &iv);\n"}]}},{"Replacement":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":259,"ins":{"up_context":[{"change":5,"pos":314477}],"down_context":[{"change":5,"pos":314624}],"flag":"BLOCK","start":8960,"end":9728,"inode":{"change":5,"pos":306916}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":314477},"to":{"change":3,"start":2722,"end":3029},"introduced_by":3}],"inode":{"change":5,"pos":306916}},"ins_contents":[{"Add":" compute_key(remote_to_local, &mut key, cipher.key_len)?;"},{"Add":" if cipher.iv_len > 0 {"},{"Add":" compute_key(remote_to_local_iv, &mut iv, cipher.iv_len)?;"},{"Add":" }"},{"Add":" let remote_to_local_mac = if let Some(mac) = mac {"},{"Add":" let mut mac_buf = mac_buf.borrow_mut();"},{"Add":" compute_key(remote_to_local_mac, &mut mac_buf, mac.key_len)?;"},{"Add":" (mac.make_key)(&mac_buf)"},{"Add":" } else {"},{"Add":" mac::MacKey::None"},{"Add":" };"},{"Add":" let remote_to_local ="},{"Add":" (cipher.make_opening_cipher)(&key, &iv, remote_to_local_mac);"}],"del_contents":[{"Del":" compute_key(remote_to_local, &mut key, cipher.key_len)?;\n if cipher.iv_len > 0 {\n compute_key(remote_to_local_iv, &mut iv, cipher.iv_len)?;\n }\n let remote_to_local = (cipher.make_opening_cipher)(&key, &iv);\n"}]}},{"Replacement":{"inode":{"change":5,"pos":306916},"path":"thrussh/src/kex.rs","line":273,"ins":{"up_context":[{"change":5,"pos":314625}],"down_context":[{"change":3,"pos":3197}],"flag":"BLOCK","start":9729,"end":9935,"inode":{"change":5,"pos":306916}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":314625},"to":{"change":3,"start":3030,"end":3197},"introduced_by":3}],"inode":{"change":5,"pos":306916}},"ins_contents":[{"Add":" Ok(super::cipher::CipherPair {"},{"Add":" local_to_remote: local_to_remote,"},{"Add":" remote_to_local: remote_to_local,"},{"Add":" })"}],"del_contents":[{"Del":" Ok(super::cipher::CipherPair {\n local_to_remote: local_to_remote,\n remote_to_local: remote_to_local,\n"}]}},{"Edit":{"inode":{"change":5,"pos":409086},"path":"thrussh/src/cipher/mod.rs","line":16,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":409737}],"down_context":[{"change":5,"pos":9343}],"flag":"BLOCK","start":9936,"end":9952,"inode":{"change":5,"pos":409086}}},"contents":[{"Add":"use crate::mac;"}]}},{"Edit":{"inode":{"change":5,"pos":409086},"path":"thrussh/src/cipher/mod.rs","line":21,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":23187}],"down_context":[{"change":3,"pos":3221}],"flag":"BLOCK","start":9953,"end":10001,"inode":{"change":5,"pos":409086}}},"contents":[{"Add":"#[cfg(feature = \"openssl\")]"},{"Add":"pub mod aes256_ctr;"}]}},{"Replacement":{"inode":{"change":5,"pos":409086},"path":"thrussh/src/cipher/mod.rs","line":32,"ins":{"up_context":[{"change":3,"pos":3293}],"down_context":[{"change":5,"pos":410079}],"flag":"BLOCK","start":10002,"end":10184,"inode":{"change":5,"pos":409086}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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Aes256Ctr(aes256_ctr::Key),"}]}},{"Edit":{"inode":{"change":5,"pos":409086},"path":"thrussh/src/cipher/mod.rs","line":52,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":3599}],"down_context":[{"change":5,"pos":410393}],"flag":"BLOCK","start":10250,"end":10344,"inode":{"change":5,"pos":409086}}},"contents":[{"Add":" #[cfg(feature = \"openssl\")]"},{"Add":" OpeningCipher::Aes256Ctr(ref key) => key,"}]}},{"Edit":{"inode":{"change":5,"pos":409086},"path":"thrussh/src/cipher/mod.rs","line":63,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":3664}],"down_context":[{"change":5,"pos":410512}],"flag":"BLOCK","start":10345,"end":10409,"inode":{"change":5,"pos":409086}}},"contents":[{"Add":" #[cfg(feature = \"openssl\")]"},{"Add":" Aes256Ctr(aes256_ctr::Key),"}]}},{"Edit":{"inode":{"change":5,"pos":409086},"path":"thrussh/src/cipher/mod.rs","line":74,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":3759}],"down_context":[{"change":5,"pos":410729}],"flag":"BLOCK","start":10410,"end":10504,"inode":{"change":5,"pos":409086}}},"contents":[{"Add":" #[cfg(feature = \"openssl\")]"},{"Add":" SealingCipher::Aes256Ctr(ref key) => key,"}]}},{"Replacement":{"inode":{"change":5,"pos":409086},"path":"thrussh/src/cipher/mod.rs","line":113,"ins":{"up_context":[{"change":5,"pos":411569}],"down_context":[{"change":5,"pos":411589}],"flag":"BLOCK","start":10505,"end":10525,"inode":{"change":5,"pos":409086}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":411569},"to":{"change":5,"start":411569,"end":411589},"introduced_by":5}],"inode":{"change":5,"pos":409086}},"ins_contents":[{"Add":" tag: usize,"}],"del_contents":[{"Del":" tag: &[u8],\n"}]}},{"Replacement":{"inode":{"change":5,"pos":409086},"path":"thrussh/src/cipher/mod.rs","line":124,"ins":{"up_context":[{"change":5,"pos":411793}],"down_context":[{"change":5,"pos":411884}],"flag":"BLOCK","start":10526,"end":10619,"inode":{"change":5,"pos":409086}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":411793},"to":{"change":5,"start":411793,"end":411884},"introduced_by":5}],"inode":{"change":5,"pos":409086}},"ins_contents":[{"Add":" fn seal(&self, seqn: u32, plaintext_in_ciphertext_out: &mut [u8], plaintext_len: usize);"}],"del_contents":[{"Del":" fn seal(&self, seqn: u32, plaintext_in_ciphertext_out: &mut [u8], tag_out: &mut [u8]);\n"}]}},{"Replacement":{"inode":{"change":5,"pos":409086},"path":"thrussh/src/cipher/mod.rs","line":154,"ins":{"up_context":[{"change":5,"pos":412721}],"down_context":[{"change":5,"pos":412847}],"flag":"BLOCK","start":10620,"end":10693,"inode":{"change":5,"pos":409086}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":412721},"to":{"change":5,"start":412721,"end":412847},"introduced_by":5}],"inode":{"change":5,"pos":409086}},"ins_contents":[{"Add":" let plaintext = key.open(seqn, &mut buffer.buffer, ciphertext_len)?;"}],"del_contents":[{"Del":" let (ciphertext, tag) = buffer.buffer.split_at_mut(ciphertext_len);\n let plaintext = key.open(seqn, ciphertext, tag)?;\n"}]}},{"Replacement":{"inode":{"change":5,"pos":409086},"path":"thrussh/src/cipher/mod.rs","line":200,"ins":{"up_context":[{"change":5,"pos":414441}],"down_context":[{"change":5,"pos":414557}],"flag":"BLOCK","start":10694,"end":10748,"inode":{"change":5,"pos":409086}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":414441},"to":{"change":5,"start":414441,"end":414557},"introduced_by":5}],"inode":{"change":5,"pos":409086}},"ins_contents":[{"Add":" let plaintext = &mut buffer.buffer[offset..];"}],"del_contents":[{"Del":" let (plaintext, tag) =\n buffer.buffer[offset..].split_at_mut(PACKET_LENGTH_LEN + packet_length);\n"}]}},{"Replacement":{"inode":{"change":5,"pos":409086},"path":"thrussh/src/cipher/mod.rs","line":202,"ins":{"up_context":[{"change":5,"pos":414558}],"down_context":[{"change":5,"pos":414607}],"flag":"BLOCK","start":10749,"end":10828,"inode":{"change":5,"pos":409086}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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&[u8],\n"}]}},{"Replacement":{"inode":{"change":5,"pos":414933},"path":"thrussh/src/cipher/clear.rs","line":36,"ins":{"up_context":[{"change":5,"pos":415942}],"down_context":[{"change":5,"pos":416002}],"flag":"BLOCK","start":10850,"end":10936,"inode":{"change":5,"pos":414933}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":415942},"to":{"change":5,"start":415942,"end":416002},"introduced_by":5}],"inode":{"change":5,"pos":414933}},"ins_contents":[{"Add":" debug_assert_eq!(tag, ciphertext_in_plaintext_out.len()); // self.tag_len());"}],"del_contents":[{"Del":" debug_assert_eq!(tag.len(), 0); // self.tag_len());\n"}]}},{"Replacement":{"inode":{"change":5,"pos":414933},"path":"thrussh/src/cipher/clear.rs","line":67,"ins":{"up_context":[{"change":5,"pos":416838}],"down_context":[{"change":5,"pos":416989}],"flag":"BLOCK","start":10937,"end":11096,"inode":{"change":5,"pos":414933}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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make_sealing_cipher(k: &[u8], _: &[u8], _: crate::mac::MacKey) -> super::SealingCipher {"}],"del_contents":[{"Del":"fn make_sealing_cipher(k: &[u8], _: &[u8]) -> super::SealingCipher {\n"}]}},{"Replacement":{"inode":{"change":5,"pos":417020},"path":"thrussh/src/cipher/chacha20poly1305.rs","line":51,"ins":{"up_context":[{"change":5,"pos":418452}],"down_context":[{"change":5,"pos":418511}],"flag":"BLOCK","start":11190,"end":11282,"inode":{"change":5,"pos":417020}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":418452},"to":{"change":3,"start":3846,"end":3915},"introduced_by":3}],"inode":{"change":5,"pos":417020}},"ins_contents":[{"Add":"fn make_opening_cipher(k: &[u8], _: &[u8], _: crate::mac::MacKey) -> super::OpeningCipher {"}],"del_contents":[{"Del":"fn make_opening_cipher(k: &[u8], _: &[u8]) -> super::OpeningCipher {\n"}]}},{"Replacement":{"inode":{"change":5,"pos":417020},"path":"thrussh/src/cipher/chacha20poly1305.rs","line":85,"ins":{"up_context":[{"change":5,"pos":419453}],"down_context":[{"change":5,"pos":419473}],"flag":"BLOCK","start":11283,"end":11303,"inode":{"change":5,"pos":417020}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":419453},"to":{"change":5,"start":419453,"end":419473},"introduced_by":5}],"inode":{"change":5,"pos":417020}},"ins_contents":[{"Add":" tag: usize,"}],"del_contents":[{"Del":" tag: &[u8],\n"}]}},{"Edit":{"inode":{"change":5,"pos":417020},"path":"thrussh/src/cipher/chacha20poly1305.rs","line":87,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":419508}],"down_context":[{"change":5,"pos":419508}],"flag":"BLOCK","start":11304,"end":11400,"inode":{"change":5,"pos":417020}}},"contents":[{"Add":" let (ciphertext_in_plaintext_out, tag) = ciphertext_in_plaintext_out.split_at_mut(tag);"}]}},{"Replacement":{"inode":{"change":5,"pos":417020},"path":"thrussh/src/cipher/chacha20poly1305.rs","line":135,"ins":{"up_context":[{"change":5,"pos":421280}],"down_context":[{"change":5,"pos":421422}],"flag":"BLOCK","start":11401,"end":11584,"inode":{"change":5,"pos":417020}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":421280},"to":{"change":5,"start":421280,"end":421422},"introduced_by":5}],"inode":{"change":5,"pos":417020}},"ins_contents":[{"Add":" fn seal(&self, sequence_number: u32, plaintext_in_ciphertext_out: &mut [u8], tag_out: usize) {"},{"Add":" let (payload, tag_out) = plaintext_in_ciphertext_out.split_at_mut(tag_out);"}],"del_contents":[{"Del":" fn seal(\n &self,\n sequence_number: u32,\n plaintext_in_ciphertext_out: &mut [u8],\n tag_out: &mut [u8],\n ) {\n"}]}},{"Replacement":{"inode":{"change":5,"pos":417020},"path":"thrussh/src/cipher/chacha20poly1305.rs","line":139,"ins":{"up_context":[{"change":5,"pos":421487}],"down_context":[{"change":5,"pos":421557}],"flag":"BLOCK","start":11585,"end":11635,"inode":{"change":5,"pos":417020}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":421487},"to":{"change":5,"start":421487,"end":421557},"introduced_by":5}],"inode":{"change":5,"pos":417020}},"ins_contents":[{"Add":" let (a, b) = payload.split_at_mut(4);"}],"del_contents":[{"Del":" let (a, b) = plaintext_in_ciphertext_out.split_at_mut(4);\n"}]}},{"Replacement":{"inode":{"change":5,"pos":417020},"path":"thrussh/src/cipher/chacha20poly1305.rs","line":147,"ins":{"up_context":[{"change":5,"pos":421822}],"down_context":[{"change":5,"pos":421895}],"flag":"BLOCK","start":11636,"end":11689,"inode":{"change":5,"pos":417020}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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{\n"}]}},{"Replacement":{"inode":{"change":3,"pos":3954},"path":"thrussh/src/cipher/aes256_gcm.rs","line":51,"ins":{"up_context":[{"change":3,"pos":5395}],"down_context":[{"change":3,"pos":5464}],"flag":"BLOCK","start":11783,"end":11875,"inode":{"change":3,"pos":3954}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":5395},"to":{"change":3,"start":5395,"end":5464},"introduced_by":3}],"inode":{"change":3,"pos":3954}},"ins_contents":[{"Add":"fn make_opening_cipher(k: &[u8], i: &[u8], _: crate::mac::MacKey) -> super::OpeningCipher {"}],"del_contents":[{"Del":"fn make_opening_cipher(k: &[u8], i: &[u8]) -> super::OpeningCipher {\n"}]}},{"Replacement":{"inode":{"change":3,"pos":3954},"path":"thrussh/src/cipher/aes256_gcm.rs","line":81,"ins":{"up_context":[{"change":3,"pos":6111}],"down_context":[{"change":3,"pos":6131}],"flag":"BLOCK","start":11876,"end":11896,"inode":{"change":3,"pos":3954}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":6111},"to":{"change":3,"start":6111,"end":6131},"introduced_by":3}],"inode":{"change":3,"pos":3954}},"ins_contents":[{"Add":" tag: usize,"}],"del_contents":[{"Del":" tag: &[u8],\n"}]}},{"Edit":{"inode":{"change":3,"pos":3954},"path":"thrussh/src/cipher/aes256_gcm.rs","line":83,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":6166}],"down_context":[{"change":3,"pos":6166}],"flag":"BLOCK","start":11897,"end":11953,"inode":{"change":3,"pos":3954}}},"contents":[{"Add":" let (payload, tag) = payload.split_at_mut(tag);"}]}},{"Replacement":{"inode":{"change":3,"pos":3954},"path":"thrussh/src/cipher/aes256_gcm.rs","line":127,"ins":{"up_context":[{"change":3,"pos":7424}],"down_context":[{"change":3,"pos":7508}],"flag":"BLOCK","start":11954,"end":12098,"inode":{"change":3,"pos":3954}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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crypt_aead(\n"}]}},{"FileAdd":{"meta":{"basename":"aes256_ctr.rs","metadata":0},"context":[{"change":5,"pos":409076}],"contents":[{"Add":"use openssl::symm::{Cipher, Crypter};"},{"Add":"use rand::Rng;"},{"Add":"use std::sync::Mutex;"},{"Add":""},{"Add":"pub const NAME: super::Name = super::Name(\"aes256-ctr\");"},{"Add":""},{"Add":"pub struct Key {"},{"Add":" mac: crate::mac::MacKey,"},{"Add":" crypter: Mutex,"},{"Add":" buf: Mutex,"},{"Add":"}"},{"Add":""},{"Add":"pub static CIPHER: super::Cipher = super::Cipher {"},{"Add":" _name: NAME,"},{"Add":" key_len: 32,"},{"Add":" iv_len: 16,"},{"Add":" make_sealing_cipher,"},{"Add":" make_opening_cipher,"},{"Add":"};"},{"Add":""},{"Add":"fn make_sealing_cipher(k: &[u8], iv: &[u8], mac: crate::mac::MacKey) -> super::SealingCipher {"},{"Add":" super::SealingCipher::Aes256Ctr(Key {"},{"Add":" crypter: Mutex::new("},{"Add":" openssl::symm::Crypter::new("},{"Add":" Cipher::aes_256_ctr(),"},{"Add":" openssl::symm::Mode::Encrypt,"},{"Add":" &k,"},{"Add":" Some(&iv),"},{"Add":" )"},{"Add":" .unwrap(),"},{"Add":" ),"},{"Add":" mac,"},{"Add":" buf: Mutex::new(cryptovec::CryptoVec::new()),"},{"Add":" })"},{"Add":"}"},{"Add":""},{"Add":"fn make_opening_cipher(k: &[u8], iv: &[u8], mac: crate::mac::MacKey) -> super::OpeningCipher {"},{"Add":" super::OpeningCipher::Aes256Ctr(Key {"},{"Add":" crypter: Mutex::new("},{"Add":" openssl::symm::Crypter::new("},{"Add":" Cipher::aes_256_ctr(),"},{"Add":" openssl::symm::Mode::Encrypt,"},{"Add":" &k,"},{"Add":" Some(&iv),"},{"Add":" )"},{"Add":" .unwrap(),"},{"Add":" ),"},{"Add":" mac,"},{"Add":" buf: Mutex::new(cryptovec::CryptoVec::new()),"},{"Add":" })"},{"Add":"}"},{"Add":""},{"Add":"impl super::SealingKey for Key {"},{"Add":" fn padding_length(&self, payload: &[u8]) -> usize {"},{"Add":" let encrypted_len = payload.len() + 5;"},{"Add":" let padding = 16 - (encrypted_len % 16);"},{"Add":" let min_padding = if padding < 4 { padding + 16 } else { padding };"},{"Add":" let mut rng = rand::rng();"},{"Add":" (rng.random::() & 0xe0) as usize + min_padding"},{"Add":" }"},{"Add":""},{"Add":" fn fill_padding(&self, padding_out: &mut [u8]) {"},{"Add":" openssl::rand::rand_bytes(padding_out).unwrap()"},{"Add":" }"},{"Add":""},{"Add":" fn tag_len(&self) -> usize {"},{"Add":" self.mac.len()"},{"Add":" }"},{"Add":""},{"Add":" /// Append an encrypted packet with contents `packet_content` at"},{"Add":" /// the end of `buffer`."},{"Add":" fn seal(&self, sequence_number: u32, payload_tag: &mut [u8], tag_out: usize) {"},{"Add":" let (payload, tag) = payload_tag.split_at_mut(tag_out);"},{"Add":" self.mac.authenticate(sequence_number, &payload[..], tag);"},{"Add":" let mut out = self.buf.lock().unwrap();"},{"Add":" out.resize(payload.len());"},{"Add":" let mut crypter = self.crypter.lock().unwrap();"},{"Add":" let count = crypter.update(&payload, &mut out).unwrap();"},{"Add":" crypter.finalize(&mut out[count..]).unwrap();"},{"Add":" payload.clone_from_slice(&out);"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"impl super::OpeningKey for Key {"},{"Add":" fn decrypt_packet_length("},{"Add":" &self,"},{"Add":" _sequence_number: u32,"},{"Add":" encrypted_packet_length: [u8; 4],"},{"Add":" ) -> [u8; 4] {"},{"Add":" let mut out = [0; 4];"},{"Add":" let mut crypter = self.crypter.lock().unwrap();"},{"Add":" let count = crypter.update(&encrypted_packet_length, &mut out).unwrap();"},{"Add":" crypter.finalize(&mut out[count..]).unwrap();"},{"Add":" out"},{"Add":" }"},{"Add":""},{"Add":" fn tag_len(&self) -> usize {"},{"Add":" self.mac.len()"},{"Add":" }"},{"Add":""},{"Add":" fn open<'a>("},{"Add":" &self,"},{"Add":" sequence_number: u32,"},{"Add":" payload: &'a mut [u8],"},{"Add":" tag: usize,"},{"Add":" ) -> Result<&'a [u8], crate::Error> {"},{"Add":" let (payload, tag) = payload.split_at_mut(tag);"},{"Add":" let mut out = self.buf.lock().unwrap();"},{"Add":" out.resize(payload.len());"},{"Add":" let mut c = self.crypter.lock().unwrap();"},{"Add":" let count = c.update(&payload, &mut out).unwrap();"},{"Add":" c.finalize(&mut out[count..]).unwrap();"},{"Add":""},{"Add":" if !self.mac.verify(sequence_number, &out, tag) {"},{"Add":" return Err(crate::Error::WrongMAC);"},{"Add":" }"},{"Add":" payload.clone_from_slice(&out);"},{"Add":" Ok(payload)"},{"Add":" }"},{"Add":"}"}]}},{"Replacement":{"inode":{"change":5,"pos":426118},"path":"thrussh/Cargo.toml","line":5,"ins":{"up_context":[{"change":5,"pos":426214}],"down_context":[{"change":5,"pos":426233}],"flag":"BLOCK","start":15757,"end":15776,"inode":{"change":5,"pos":426118}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":426214},"to":{"change":4,"start":0,"end":19},"introduced_by":4}],"inode":{"change":5,"pos":426118}},"ins_contents":[{"Add":"version = \"0.38.0\""}],"del_contents":[{"Del":"version = \"0.37.0\"\n"}]}},{"Edit":{"inode":{"change":5,"pos":426118},"path":"thrussh/Cargo.toml","line":19,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":426551}],"down_context":[{"change":5,"pos":426551}],"flag":"BLOCK","start":15777,"end":15795,"inode":{"change":5,"pos":426118}}},"contents":[{"Add":"\"src/mac/mod.rs\","}]}},{"Edit":{"inode":{"change":5,"pos":426118},"path":"thrussh/Cargo.toml","line":27,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":426692}],"down_context":[{"change":4,"pos":20}],"flag":"BLOCK","start":15796,"end":15824,"inode":{"change":5,"pos":426118}}},"contents":[{"Add":"\"src/cipher/aes256_ctr.rs\","}]}},{"Replacement":{"inode":{"change":5,"pos":426118},"path":"thrussh/Cargo.toml","line":53,"ins":{"up_context":[{"change":5,"pos":24259}],"down_context":[{"change":5,"pos":1877}],"flag":"BLOCK","start":15825,"end":15889,"inode":{"change":5,"pos":426118}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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DELETED","from":{"change":5,"pos":427148},"to":{"change":5,"start":9868,"end":9888},"introduced_by":5}],"inode":{"change":5,"pos":426118}},"ins_contents":[{"Add":"thrussh-libsodium = \"0.4\""},{"Add":"cryptovec = \"0.7.1\""}],"del_contents":[{"Del":"thrussh-libsodium = \"0.2\"\n"},{"Del":"cryptovec = \"0.7.0\"\n"}]}},{"Replacement":{"inode":{"change":5,"pos":427990},"path":"cryptovec/src/lib.rs","line":301,"ins":{"up_context":[{"change":5,"pos":436819}],"down_context":[{"change":5,"pos":436906}],"flag":"BLOCK","start":15937,"end":15979,"inode":{"change":5,"pos":427990}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":436819},"to":{"change":5,"start":436819,"end":436906},"introduced_by":5}],"inode":{"change":5,"pos":427990}},"ins_contents":[{"Add":" let x: [u8; 4] = s.to_be_bytes();"}],"del_contents":[{"Del":" let s = s.to_be();\n let x: [u8; 4] = unsafe { std::mem::transmute(s) };\n"}]}},{"Replacement":{"inode":{"change":5,"pos":440660},"path":"cryptovec/Cargo.toml","line":4,"ins":{"up_context":[{"change":5,"pos":440768}],"down_context":[{"change":5,"pos":440786}],"flag":"BLOCK","start":15980,"end":15998,"inode":{"change":5,"pos":440660}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":440768},"to":{"change":5,"start":10044,"end":10062},"introduced_by":5}],"inode":{"change":5,"pos":440660}},"ins_contents":[{"Add":"version = \"0.7.1\""}],"del_contents":[{"Del":"version = \"0.7.0\"\n"}]}}],"owner":"pijul","repo":"thrussh","token":"eRNXAXZnEhsFkRZ65OPVrTGT1Xw7pwy4iHnU28c3NNw=","login":null}

…

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