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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:40:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:40:04 +0000
commit25505898530a333011f4fd5cbc841ad6b26c089c (patch)
tree333a33fdd60930bcccc3f177ed9467d535e9bac6 /ed25519.sh
parentInitial commit. (diff)
downloadopenssh-25505898530a333011f4fd5cbc841ad6b26c089c.tar.xz
openssh-25505898530a333011f4fd5cbc841ad6b26c089c.zip
Adding upstream version 1:9.2p1.upstream/1%9.2p1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--ed25519.sh119
1 files changed, 119 insertions, 0 deletions
diff --git a/ed25519.sh b/ed25519.sh
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+#!/bin/sh
+# $OpenBSD: ed25519.sh,v 1.1 2023/01/15 23:05:32 djm Exp $
+# Placed in the Public Domain.
+#
+AUTHOR="supercop-20221122/crypto_sign/ed25519/ref/implementors"
+FILES="
+ supercop-20221122/crypto_verify/32/ref/verify.c
+ supercop-20221122/crypto_sign/ed25519/ref/fe25519.h
+ supercop-20221122/crypto_sign/ed25519/ref/fe25519.c
+ supercop-20221122/crypto_sign/ed25519/ref/sc25519.h
+ supercop-20221122/crypto_sign/ed25519/ref/sc25519.c
+ supercop-20221122/crypto_sign/ed25519/ref/ge25519.h
+ supercop-20221122/crypto_sign/ed25519/ref/ge25519.c
+ supercop-20221122/crypto_sign/ed25519/ref/keypair.c
+ supercop-20221122/crypto_sign/ed25519/ref/sign.c
+ supercop-20221122/crypto_sign/ed25519/ref/open.c
+"
+###
+
+DATA="supercop-20221122/crypto_sign/ed25519/ref/ge25519_base.data"
+
+set -e
+cd $1
+echo -n '/* $'
+echo 'OpenBSD: $ */'
+echo
+echo '/*'
+echo ' * Public Domain, Authors:'
+sed -e '/Alphabetical order:/d' -e 's/^/ * - /' < $AUTHOR
+echo ' */'
+echo
+echo '#include <string.h>'
+echo
+echo '#include "crypto_api.h"'
+echo
+# Map the types used in this code to the ones in crypto_api.h. We use #define
+# instead of typedef since some systems have existing intXX types and do not
+# permit multiple typedefs even if they do not conflict.
+for t in int8 uint8 int16 uint16 int32 uint32 int64 uint64; do
+ echo "#define $t crypto_${t}"
+done
+echo
+for i in $FILES; do
+ echo "/* from $i */"
+ # Changes to all files:
+ # - inline ge25519_base.data where it is included
+ # - expand CRYPTO_NAMESPACE() namespacing define
+ # - remove all includes, we inline everything required.
+ # - make functions not required elsewhere static.
+ # - rename the functions we do use.
+ sed \
+ -e "/#include \"ge25519_base.data\"/r $DATA" \
+ -e "/#include/d" \
+ -e "s/^void /static void /g" \
+ -e 's/CRYPTO_NAMESPACE[(]\([a-zA-Z0-9_]*\)[)]/crypto_sign_ed25519_ref_\1/g' \
+ $i | \
+ case "$i" in
+ */crypto_verify/32/ref/verify.c)
+ # rename crypto_verify() to the name that the ed25519 code expects.
+ sed -e "/^#include.*/d" \
+ -e "s/crypto_verify/crypto_verify_32/g" \
+ -e "s/^int /static int /g"
+ ;;
+ */crypto_sign/ed25519/ref/sign.c)
+ # rename signing function to the name OpenSSH expects
+ sed -e "s/crypto_sign/crypto_sign_ed25519/g"
+ ;;
+ */crypto_sign/ed25519/ref/keypair.c)
+ # rename key generation function to the name OpenSSH expects
+ sed -e "s/crypto_sign_keypair/crypto_sign_ed25519_keypair/g"
+ ;;
+ */crypto_sign/ed25519/ref/open.c)
+ # rename verification function to the name OpenSSH expects
+ sed -e "s/crypto_sign_open/crypto_sign_ed25519_open/g"
+ ;;
+ */crypto_sign/ed25519/ref/fe25519.*)
+ # avoid a couple of name collions with other files
+ sed -e "s/reduce_add_sub/fe25519_reduce_add_sub/g" \
+ -e "s/ equal[(]/ fe25519_equal(/g" \
+ -e "s/^int /static int /g"
+ ;;
+ */crypto_sign/ed25519/ref/sc25519.h)
+ # Lots of unused prototypes to remove
+ sed -e "s/^int /static int /g" \
+ -e '/shortsc25519_from16bytes/d' \
+ -e '/sc25519_iszero_vartime/d' \
+ -e '/sc25519_isshort_vartime/d' \
+ -e '/sc25519_lt_vartime/d' \
+ -e '/sc25519_sub_nored/d' \
+ -e '/sc25519_mul_shortsc/d' \
+ -e '/sc25519_from_shortsc/d' \
+ -e '/sc25519_window5/d'
+ ;;
+ */crypto_sign/ed25519/ref/sc25519.c)
+ # Lots of unused code to remove, some name collisions to avoid
+ sed -e "s/reduce_add_sub/sc25519_reduce_add_sub/g" \
+ -e "s/ equal[(]/ sc25519_equal(/g" \
+ -e "s/^int /static int /g" \
+ -e "s/m[[]/sc25519_m[/g" \
+ -e "s/mu[[]/sc25519_mu[/g" \
+ -e '/shortsc25519_from16bytes/,/^}$/d' \
+ -e '/sc25519_iszero_vartime/,/^}$/d' \
+ -e '/sc25519_isshort_vartime/,/^}$/d' \
+ -e '/sc25519_lt_vartime/,/^}$/d' \
+ -e '/sc25519_sub_nored/,/^}$/d' \
+ -e '/sc25519_mul_shortsc/,/^}$/d' \
+ -e '/sc25519_from_shortsc/,/^}$/d' \
+ -e '/sc25519_window5/,/^}$/d'
+ ;;
+ */crypto_sign/ed25519/ref//ge25519.*)
+ sed -e "s/^int /static int /g"
+ ;;
+ # Default: pass through.
+ *)
+ cat
+ ;;
+ esac | \
+ sed -e 's/[ ]*$//'
+done