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📄 PROTOCOL.agent(220 B)
📄 PROTOCOL.certkeys(11.91 KB)
📄 PROTOCOL.chacha20poly1305(4.52 KB)
📄 PROTOCOL.key(1.5 KB)
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📄 auth-options.h(2.75 KB)
📄 auth-pam.c(35.07 KB)
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📄 auth.c(32.86 KB)
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📄 auth2-chall.c(9.77 KB)
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📄 auth2-none.c(2.29 KB)
📄 auth2-passwd.c(2.36 KB)
📄 auth2-pubkey.c(28.79 KB)
📄 auth2.c(22.23 KB)
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📄 canohost.c(4.72 KB)
📄 canohost.h(842 B)
📄 chacha.c(5.28 KB)
📄 chacha.h(1000 B)
📄 channels.c(133.25 KB)
📄 channels.h(12.96 KB)
📄 cipher-aes.c(4.54 KB)
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📄 cipher-aesctr.h(1.3 KB)
📄 cipher-chachapoly.c(3.72 KB)
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📄 ed25519.c(3.1 KB)
📄 entropy.c(6.34 KB)
📄 entropy.h(1.47 KB)
📄 fatal.c(1.63 KB)
📄 fe25519.c(8.13 KB)
📄 fe25519.h(2.31 KB)
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📄 freebsd-post-merge.sh(224 B)
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📄 ge25519.c(11.04 KB)
📄 ge25519.h(1.35 KB)
📄 ge25519_base.data(164.61 KB)
📄 groupaccess.c(3.5 KB)
📄 groupaccess.h(1.53 KB)
📄 gss-genr.c(7.99 KB)
📄 gss-serv-krb5.c(5.63 KB)
📄 gss-serv.c(10.32 KB)
📄 hash.c(623 B)
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📄 hmac.h(1.62 KB)
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📄 kexc25519s.c(4.99 KB)
📄 kexdh.c(3.27 KB)
📄 kexdhc.c(6.13 KB)
📄 kexdhs.c(6.06 KB)
📄 kexecdh.c(3.49 KB)
📄 kexecdhc.c(6.22 KB)
📄 kexecdhs.c(5.94 KB)
📄 kexgex.c(3.67 KB)
📄 kexgexc.c(7.63 KB)
📄 kexgexs.c(7.35 KB)
📄 krb5_config.h(315 B)
📄 krl.c(35.63 KB)
📄 krl.h(2.67 KB)
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📄 logintest.c(8.58 KB)
📄 mac.c(7.24 KB)
📄 mac.h(1.96 KB)
📄 match.c(9.14 KB)
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📄 md5crypt.c(3.98 KB)
📄 md5crypt.h(744 B)
📄 mdoc2man.awk(8.38 KB)
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📄 mkinstalldirs(633 B)
📄 moduli(552 KB)
📄 moduli.5(3.6 KB)
📄 moduli.c(20.46 KB)
📄 monitor.c(50.56 KB)
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📄 msg.c(2.75 KB)
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📄 mux.c(65.73 KB)
📄 myproposal.h(5.62 KB)
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📄 nchan.ms(3.86 KB)
📄 nchan2.ms(3.38 KB)
📄 opacket.c(5.55 KB)
📄 opacket.h(5.98 KB)
📁 openbsd-compat
📄 openssh.xml.in(2.77 KB)
📄 opensshd.init.in(1.86 KB)
📄 packet.c(70.79 KB)
📄 packet.h(7.39 KB)
📄 pathnames.h(5.69 KB)
📄 pkcs11.h(41.37 KB)
📄 platform-misc.c(1.09 KB)
📄 platform-pledge.c(1.86 KB)
📄 platform-tracing.c(1.69 KB)
📄 platform.c(4.71 KB)
📄 platform.h(1.43 KB)
📄 poly1305.c(4.54 KB)
📄 poly1305.h(645 B)
📄 progressmeter.c(7.48 KB)
📄 progressmeter.h(1.44 KB)
📄 readconf.c(81 KB)
📄 readconf.h(7.83 KB)
📄 readpass.c(4.99 KB)
📁 regress
📄 rijndael.c(51.57 KB)
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📄 sandbox-solaris.c(2.9 KB)
📄 sandbox-systrace.c(6.27 KB)
📄 sc25519.c(7.16 KB)
📄 sc25519.h(2.83 KB)
📄 scp.1(5.56 KB)
📄 scp.c(39.14 KB)
📄 servconf.c(79.73 KB)
📄 servconf.h(10.13 KB)
📄 serverloop.c(26.03 KB)
📄 serverloop.h(1000 B)
📄 session.c(66.72 KB)
📄 session.h(2.59 KB)
📄 sftp-client.c(49.62 KB)
📄 sftp-client.h(4.29 KB)
📄 sftp-common.c(6.83 KB)
📄 sftp-common.h(2.02 KB)
📄 sftp-glob.c(3.38 KB)
📄 sftp-server-main.c(1.49 KB)
📄 sftp-server.8(4.98 KB)
📄 sftp-server.c(42.36 KB)
📄 sftp.1(14.53 KB)
📄 sftp.c(59.73 KB)
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📄 smult_curve25519_ref.c(6.71 KB)
📄 ssh-add.1(6.45 KB)
📄 ssh-add.c(17.69 KB)
📄 ssh-agent.1(7.16 KB)
📄 ssh-agent.c(33.19 KB)
📄 ssh-dss.c(5.55 KB)
📄 ssh-ecdsa.c(5.54 KB)
📄 ssh-ed25519.c(4.21 KB)
📄 ssh-gss.h(4.71 KB)
📄 ssh-keygen.1(26.5 KB)
📄 ssh-keygen.c(78.58 KB)
📄 ssh-keyscan.1(3.82 KB)
📄 ssh-keyscan.c(17.83 KB)
📄 ssh-keysign.8(2.95 KB)
📄 ssh-keysign.c(8.26 KB)
📄 ssh-pkcs11-client.c(6.65 KB)
📄 ssh-pkcs11-helper.8(1.33 KB)
📄 ssh-pkcs11-helper.c(9.79 KB)
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📄 ssh-pkcs11.h(1.06 KB)
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📄 ssh.1(44.3 KB)
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📄 ssh_config.5(51.41 KB)
📄 ssh_namespace.h(44.25 KB)
📄 sshbuf-getput-basic.c(11.81 KB)
📄 sshbuf-getput-crypto.c(5.64 KB)
📄 sshbuf-misc.c(3.53 KB)
📄 sshbuf.c(8.96 KB)
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📄 sshconnect.c(43.92 KB)
📄 sshconnect.h(2.3 KB)
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📄 sshd.c(64.58 KB)
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📄 sshd_config.5(50.55 KB)
📄 ssherr.c(5.04 KB)
📄 ssherr.h(3.28 KB)
📄 sshkey-xmss.c(28.17 KB)
📄 sshkey-xmss.h(2.89 KB)
📄 sshkey.c(102.94 KB)
📄 sshkey.h(10.09 KB)
📄 sshlogin.c(5.25 KB)
📄 sshlogin.h(935 B)
📄 sshpty.c(5.59 KB)
📄 sshpty.h(1.03 KB)
📄 sshtty.c(2.95 KB)
📄 survey.sh.in(1.68 KB)
📄 ttymodes.c(10.1 KB)
📄 ttymodes.h(4.85 KB)
📄 uidswap.c(7.09 KB)
📄 uidswap.h(680 B)
📄 umac.c(44.91 KB)
📄 umac.h(4.58 KB)
📄 umac128.c(414 B)
📄 utf8.c(8.09 KB)
📄 utf8.h(1.17 KB)
📄 uuencode.c(2.94 KB)
📄 uuencode.h(1.5 KB)
📄 verify.c(668 B)
📄 version.h(385 B)
📄 xmalloc.c(2.41 KB)
📄 xmalloc.h(1.08 KB)
📄 xmss_commons.c(630 B)
📄 xmss_commons.h(450 B)
📄 xmss_fast.c(32.16 KB)
📄 xmss_fast.h(3.64 KB)
📄 xmss_hash.c(3.35 KB)
📄 xmss_hash.h(841 B)
📄 xmss_hash_address.c(1.2 KB)
📄 xmss_hash_address.h(836 B)
📄 xmss_wots.c(4.74 KB)
📄 xmss_wots.h(1.86 KB)

Editing: chacha.c

/*
chacha-merged.c version 20080118
D. J. Bernstein
Public domain.
*/

#include "includes.h"

#include "chacha.h"

/* $OpenBSD: chacha.c,v 1.1 2013/11/21 00:45:44 djm Exp $ */

typedef unsigned char u8;
typedef unsigned int u32;

typedef struct chacha_ctx chacha_ctx;

#define U8C(v) (v##U)
#define U32C(v) (v##U)

#define U8V(v) ((u8)(v) & U8C(0xFF))
#define U32V(v) ((u32)(v) & U32C(0xFFFFFFFF))

#define ROTL32(v, n) \
  (U32V((v) << (n)) | ((v) >> (32 - (n))))

#define U8TO32_LITTLE(p) \
  (((u32)((p)[0])      ) | \
   ((u32)((p)[1]) <<  8) | \
   ((u32)((p)[2]) << 16) | \
   ((u32)((p)[3]) << 24))

#define U32TO8_LITTLE(p, v) \
  do { \
    (p)[0] = U8V((v)      ); \
    (p)[1] = U8V((v) >>  8); \
    (p)[2] = U8V((v) >> 16); \
    (p)[3] = U8V((v) >> 24); \
  } while (0)

#define ROTATE(v,c) (ROTL32(v,c))
#define XOR(v,w) ((v) ^ (w))
#define PLUS(v,w) (U32V((v) + (w)))
#define PLUSONE(v) (PLUS((v),1))

#define QUARTERROUND(a,b,c,d) \
  a = PLUS(a,b); d = ROTATE(XOR(d,a),16); \
  c = PLUS(c,d); b = ROTATE(XOR(b,c),12); \
  a = PLUS(a,b); d = ROTATE(XOR(d,a), 8); \
  c = PLUS(c,d); b = ROTATE(XOR(b,c), 7);

static const char sigma[16] = "expand 32-byte k";
static const char tau[16] = "expand 16-byte k";

void
chacha_keysetup(chacha_ctx *x,const u8 *k,u32 kbits)
{
  const char *constants;

x->input[4] = U8TO32_LITTLE(k + 0);
  x->input[5] = U8TO32_LITTLE(k + 4);
  x->input[6] = U8TO32_LITTLE(k + 8);
  x->input[7] = U8TO32_LITTLE(k + 12);
  if (kbits == 256) { /* recommended */
    k += 16;
    constants = sigma;
  } else { /* kbits == 128 */
    constants = tau;
  }
  x->input[8] = U8TO32_LITTLE(k + 0);
  x->input[9] = U8TO32_LITTLE(k + 4);
  x->input[10] = U8TO32_LITTLE(k + 8);
  x->input[11] = U8TO32_LITTLE(k + 12);
  x->input[0] = U8TO32_LITTLE(constants + 0);
  x->input[1] = U8TO32_LITTLE(constants + 4);
  x->input[2] = U8TO32_LITTLE(constants + 8);
  x->input[3] = U8TO32_LITTLE(constants + 12);
}

void
chacha_ivsetup(chacha_ctx *x, const u8 *iv, const u8 *counter)
{
  x->input[12] = counter == NULL ? 0 : U8TO32_LITTLE(counter + 0);
  x->input[13] = counter == NULL ? 0 : U8TO32_LITTLE(counter + 4);
  x->input[14] = U8TO32_LITTLE(iv + 0);
  x->input[15] = U8TO32_LITTLE(iv + 4);
}

void
chacha_encrypt_bytes(chacha_ctx *x,const u8 *m,u8 *c,u32 bytes)
{
  u32 x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15;
  u32 j0, j1, j2, j3, j4, j5, j6, j7, j8, j9, j10, j11, j12, j13, j14, j15;
  u8 *ctarget = NULL;
  u8 tmp[64];
  u_int i;

if (!bytes) return;

j0 = x->input[0];
  j1 = x->input[1];
  j2 = x->input[2];
  j3 = x->input[3];
  j4 = x->input[4];
  j5 = x->input[5];
  j6 = x->input[6];
  j7 = x->input[7];
  j8 = x->input[8];
  j9 = x->input[9];
  j10 = x->input[10];
  j11 = x->input[11];
  j12 = x->input[12];
  j13 = x->input[13];
  j14 = x->input[14];
  j15 = x->input[15];

for (;;) {
    if (bytes < 64) {
      for (i = 0;i < bytes;++i) tmp[i] = m[i];
      m = tmp;
      ctarget = c;
      c = tmp;
    }
    x0 = j0;
    x1 = j1;
    x2 = j2;
    x3 = j3;
    x4 = j4;
    x5 = j5;
    x6 = j6;
    x7 = j7;
    x8 = j8;
    x9 = j9;
    x10 = j10;
    x11 = j11;
    x12 = j12;
    x13 = j13;
    x14 = j14;
    x15 = j15;
    for (i = 20;i > 0;i -= 2) {
      QUARTERROUND( x0, x4, x8,x12)
      QUARTERROUND( x1, x5, x9,x13)
      QUARTERROUND( x2, x6,x10,x14)
      QUARTERROUND( x3, x7,x11,x15)
      QUARTERROUND( x0, x5,x10,x15)
      QUARTERROUND( x1, x6,x11,x12)
      QUARTERROUND( x2, x7, x8,x13)
      QUARTERROUND( x3, x4, x9,x14)
    }
    x0 = PLUS(x0,j0);
    x1 = PLUS(x1,j1);
    x2 = PLUS(x2,j2);
    x3 = PLUS(x3,j3);
    x4 = PLUS(x4,j4);
    x5 = PLUS(x5,j5);
    x6 = PLUS(x6,j6);
    x7 = PLUS(x7,j7);
    x8 = PLUS(x8,j8);
    x9 = PLUS(x9,j9);
    x10 = PLUS(x10,j10);
    x11 = PLUS(x11,j11);
    x12 = PLUS(x12,j12);
    x13 = PLUS(x13,j13);
    x14 = PLUS(x14,j14);
    x15 = PLUS(x15,j15);

x0 = XOR(x0,U8TO32_LITTLE(m + 0));
    x1 = XOR(x1,U8TO32_LITTLE(m + 4));
    x2 = XOR(x2,U8TO32_LITTLE(m + 8));
    x3 = XOR(x3,U8TO32_LITTLE(m + 12));
    x4 = XOR(x4,U8TO32_LITTLE(m + 16));
    x5 = XOR(x5,U8TO32_LITTLE(m + 20));
    x6 = XOR(x6,U8TO32_LITTLE(m + 24));
    x7 = XOR(x7,U8TO32_LITTLE(m + 28));
    x8 = XOR(x8,U8TO32_LITTLE(m + 32));
    x9 = XOR(x9,U8TO32_LITTLE(m + 36));
    x10 = XOR(x10,U8TO32_LITTLE(m + 40));
    x11 = XOR(x11,U8TO32_LITTLE(m + 44));
    x12 = XOR(x12,U8TO32_LITTLE(m + 48));
    x13 = XOR(x13,U8TO32_LITTLE(m + 52));
    x14 = XOR(x14,U8TO32_LITTLE(m + 56));
    x15 = XOR(x15,U8TO32_LITTLE(m + 60));

j12 = PLUSONE(j12);
    if (!j12) {
      j13 = PLUSONE(j13);
      /* stopping at 2^70 bytes per nonce is user's responsibility */
    }

U32TO8_LITTLE(c + 0,x0);
    U32TO8_LITTLE(c + 4,x1);
    U32TO8_LITTLE(c + 8,x2);
    U32TO8_LITTLE(c + 12,x3);
    U32TO8_LITTLE(c + 16,x4);
    U32TO8_LITTLE(c + 20,x5);
    U32TO8_LITTLE(c + 24,x6);
    U32TO8_LITTLE(c + 28,x7);
    U32TO8_LITTLE(c + 32,x8);
    U32TO8_LITTLE(c + 36,x9);
    U32TO8_LITTLE(c + 40,x10);
    U32TO8_LITTLE(c + 44,x11);
    U32TO8_LITTLE(c + 48,x12);
    U32TO8_LITTLE(c + 52,x13);
    U32TO8_LITTLE(c + 56,x14);
    U32TO8_LITTLE(c + 60,x15);

if (bytes <= 64) {
      if (bytes < 64) {
        for (i = 0;i < bytes;++i) ctarget[i] = c[i];
      }
      x->input[12] = j12;
      x->input[13] = j13;
      return;
    }
    bytes -= 64;
    c += 64;
    m += 64;
  }
}

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Editing: chacha.c

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