No description
b19622044d
With deterministic ECDSA the value k needed for the ECDSA signature is not randomly generated any more, but generated from a hash over the private key and the message to sign. If the value k used in a ECDSA signature or the relationship between the two values k used in two different ECDSA signatures over the same content is know to an attacker he can derive the private key pretty easily. Using deterministic ECDSA as defined in the RFC6979 removes this problem by deriving the value k deterministically from the private key and the content which gets signed. The resulting signature is still compatible to signatures generated not deterministic. This increases the size of the ipk on mips 24Kc by about 2 KByte. old: 166.240 libmbedtls_2.11.0-1_mips_24kc.ipk new: 167.811 libmbedtls_2.11.0-1_mips_24kc.ipk This does not change the ECDSA performance in a measurable way. Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> |
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This is the buildsystem for the OpenWrt Linux distribution. Please use "make menuconfig" to choose your preferred configuration for the toolchain and firmware. You need to have installed gcc, binutils, bzip2, flex, python, perl, make, find, grep, diff, unzip, gawk, getopt, subversion, libz-dev and libc headers. Run "./scripts/feeds update -a" to get all the latest package definitions defined in feeds.conf / feeds.conf.default respectively and "./scripts/feeds install -a" to install symlinks of all of them into package/feeds/. Use "make menuconfig" to configure your image. Simply running "make" will build your firmware. It will download all sources, build the cross-compile toolchain, the kernel and all choosen applications. To build your own firmware you need to have access to a Linux, BSD or MacOSX system (case-sensitive filesystem required). Cygwin will not be supported because of the lack of case sensitiveness in the file system. Sunshine! Your OpenWrt Community http://www.openwrt.org