package/network/services/dropbear/Config.in

   1 menu "Configuration"
   2         depends on PACKAGE_dropbear
   3
   4 config DROPBEAR_CURVE25519
   5         bool "Curve25519 support"
   6         default y
   7         help
   8                 This enables the following key exchange algorithm:
   9                   curve25519-sha256@libssh.org
  10
  11                 Increases binary size by about 4 kB (MIPS).
  12
  13 config DROPBEAR_ECC
  14         bool "Elliptic curve cryptography (ECC)"
  15         default n
  16         help
  17                 Enables basic support for elliptic curve cryptography (ECC)
  18                 in key exchange and public key authentication.
  19
  20                 Key exchange algorithms:
  21                   ecdh-sha2-nistp256
  22
  23                 Public key algorithms:
  24                   ecdsa-sha2-nistp256
  25
  26                 Increases binary size by about 24 kB (MIPS).
  27
  28                 If full ECC support is required, also select DROPBEAR_ECC_FULL.
  29
  30 config DROPBEAR_ECC_FULL
  31         bool "Elliptic curve cryptography (ECC), full support"
  32         default n
  33         depends on DROPBEAR_ECC
  34         help
  35                 Enables full support for elliptic curve cryptography (ECC)
  36                 in key exchange and public key authentication.
  37
  38                 Key exchange algorithms:
  39                   ecdh-sha2-nistp256 (*)
  40                   ecdh-sha2-nistp384
  41                   ecdh-sha2-nistp521
  42
  43                 Public key algorithms:
  44                   ecdsa-sha2-nistp256 (*)
  45                   ecdsa-sha2-nistp384
  46                   ecdsa-sha2-nistp521
  47
  48                 (*) - basic ECC support; provided by DROPBEAR_ECC.
  49
  50                 Increases binary size by about 4 kB (MIPS).
  51
  52 config DROPBEAR_ED25519
  53         bool "Ed25519 support"
  54         default y if !SMALL_FLASH
  55         help
  56                 This enables the following public key algorithm:
  57                   ssh-ed25519
  58
  59                 Increases binary size by about 12 kB (MIPS).
  60
  61 config DROPBEAR_CHACHA20POLY1305
  62         bool "Chacha20-Poly1305 support"
  63         default y
  64         help
  65                 This enables the following authenticated encryption cipher:
  66                   chacha20-poly1305@openssh.com
  67
  68                 Increases binary size by about 4 kB (MIPS).
  69
  70 config DROPBEAR_ZLIB
  71         bool "Enable compression"
  72         default n
  73         help
  74                 Enables compression using shared zlib library.
  75
  76                 Increases binary size by about 0.1 kB (MIPS) and requires additional 62 kB (MIPS)
  77                 for a shared zlib library.
  78
  79 config DROPBEAR_UTMP
  80         bool "Utmp support"
  81         default n
  82         depends on BUSYBOX_CONFIG_FEATURE_UTMP
  83         help
  84                 This enables dropbear utmp support, the file /var/run/utmp is used to
  85                 track who is currently logged in.
  86
  87 config DROPBEAR_PUTUTLINE
  88         bool "Pututline support"
  89         default n
  90         depends on DROPBEAR_UTMP
  91         help
  92                 Dropbear will use pututline() to write the utmp structure into the utmp file.
  93
  94 config DROPBEAR_DBCLIENT
  95         bool "Build dropbear with dbclient"
  96         default y
  97
  98 config DROPBEAR_SCP
  99         bool "Build dropbear with scp"
 100         default y
 101
 102 endmenu