From 158bae35ff77f415fef448f45d21b1ae41fd685a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:33:01 +0200 Subject: Setting default ECDSA size in ssh-keygen to 521. Signed-off-by: Daniel Baumann --- .../0003-ssh-keygen-default-ecdsa-size.patch | 27 ++++++++++++++++++++++ debian/patches/series | 1 + 2 files changed, 28 insertions(+) create mode 100644 debian/patches/progress-linux/0003-ssh-keygen-default-ecdsa-size.patch diff --git a/debian/patches/progress-linux/0003-ssh-keygen-default-ecdsa-size.patch b/debian/patches/progress-linux/0003-ssh-keygen-default-ecdsa-size.patch new file mode 100644 index 0000000..ad0bf6d --- /dev/null +++ b/debian/patches/progress-linux/0003-ssh-keygen-default-ecdsa-size.patch @@ -0,0 +1,27 @@ +Author: Daniel Baumann +Description: Setting default ECDSA size in ssh-keygen to 521. + +diff -Naurp openssh.orig/ssh-keygen.1 openssh/ssh-keygen.1 +--- openssh.orig/ssh-keygen.1 ++++ openssh/ssh-keygen.1 +@@ -250,7 +250,7 @@ For ECDSA keys, the + flag determines the key length by selecting from one of three elliptic + curve sizes: 256, 384 or 521 bits. + Attempting to use bit lengths other than these three values for ECDSA keys +-will fail. ++will fail and the default is 521 bits. + Ed25519 keys have a fixed length and the + .Fl b + flag will be ignored. +diff -Naurp openssh.orig/ssh-keygen.c openssh/ssh-keygen.c +--- openssh.orig/ssh-keygen.c ++++ openssh/ssh-keygen.c +@@ -66,7 +66,7 @@ + /* Number of bits in the RSA/DSA key. This value can be set on the command line. */ + #define DEFAULT_BITS 4096 + #define DEFAULT_BITS_DSA 1024 +-#define DEFAULT_BITS_ECDSA 256 ++#define DEFAULT_BITS_ECDSA 521 + u_int32_t bits = 0; + + /* diff --git a/debian/patches/series b/debian/patches/series index 10fb758..129c263 100644 --- a/debian/patches/series +++ b/debian/patches/series @@ -36,3 +36,4 @@ seccomp-handle-shm.patch sandbox-seccomp-ipc.patch progress-linux/0001-ssh-keygen-default-key-type.patch progress-linux/0002-ssh-keygen-default-rsa-size.patch +progress-linux/0003-ssh-keygen-default-ecdsa-size.patch -- cgit v1.2.3