menu "Configuration" depends on PACKAGE_dropbear config DROPBEAR_CURVE25519 bool "Curve25519 support" default y help This enables the following key exchange algorithm: curve25519-sha256@libssh.org Increases binary size by about 4 kB (MIPS). config DROPBEAR_ECC bool "Elliptic curve cryptography (ECC)" default n help Enables basic support for elliptic curve cryptography (ECC) in key exchange and public key authentication. Key exchange algorithms: ecdh-sha2-nistp256 Public key algorithms: ecdsa-sha2-nistp256 Increases binary size by about 24 kB (MIPS). If full ECC support is required, also select DROPBEAR_ECC_FULL. config DROPBEAR_ECC_FULL bool "Elliptic curve cryptography (ECC), full support" default n depends on DROPBEAR_ECC help Enables full support for elliptic curve cryptography (ECC) in key exchange and public key authentication. Key exchange algorithms: ecdh-sha2-nistp256 (*) ecdh-sha2-nistp384 ecdh-sha2-nistp521 Public key algorithms: ecdsa-sha2-nistp256 (*) ecdsa-sha2-nistp384 ecdsa-sha2-nistp521 (*) - basic ECC support; provided by DROPBEAR_ECC. Increases binary size by about 4 kB (MIPS). config DROPBEAR_ED25519 bool "Ed25519 support" default y if !SMALL_FLASH help This enables the following public key algorithm: ssh-ed25519 Increases binary size by about 12 kB (MIPS). config DROPBEAR_CHACHA20POLY1305 bool "Chacha20-Poly1305 support" default y help This enables the following authenticated encryption cipher: chacha20-poly1305@openssh.com Increases binary size by about 4 kB (MIPS). config DROPBEAR_ZLIB bool "Enable compression" default n help Enables compression using shared zlib library. Increases binary size by about 0.1 kB (MIPS) and requires additional 62 kB (MIPS) for a shared zlib library. config DROPBEAR_UTMP bool "Utmp support" default n depends on BUSYBOX_CONFIG_FEATURE_UTMP help This enables dropbear utmp support, the file /var/run/utmp is used to track who is currently logged in. config DROPBEAR_PUTUTLINE bool "Pututline support" default n depends on DROPBEAR_UTMP help Dropbear will use pututline() to write the utmp structure into the utmp file. config DROPBEAR_DBCLIENT bool "Build dropbear with dbclient" default y config DROPBEAR_SCP bool "Build dropbear with scp" default y endmenu