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authorRichard van der Hoff <richard@matrix.org>2016-09-01 14:06:57 +0100
committerRichard van der Hoff <richard@matrix.org>2016-09-01 14:06:57 +0100
commit214e9328069b2c1db59d0ec63b7ff2753a5abfc9 (patch)
tree62fb26fc8ee3ca6ba30ce28f49ce455844b3fb88 /lib/ed25519_additions.c
parentf2906ac0e7a3168a1206beaa1fdd6ba1dd44b62d (diff)
parent0c462cff112589fc52d13da6c919f881cb6d3f8c (diff)
Merge branch 'rav/ed25519_fix'
Diffstat (limited to 'lib/ed25519_additions.c')
-rw-r--r--lib/ed25519_additions.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/lib/ed25519_additions.c b/lib/ed25519_additions.c
deleted file mode 100644
index 5fa0c68..0000000
--- a/lib/ed25519_additions.c
+++ /dev/null
@@ -1,43 +0,0 @@
-void convert_curve25519_to_ed25519(
- unsigned char * public_key,
- unsigned char * signature
-) {
- fe mont_x, mont_x_minus_one, mont_x_plus_one, inv_mont_x_plus_one;
- fe one;
- fe ed_y;
-
- fe_frombytes(mont_x, public_key);
- fe_1(one);
- fe_sub(mont_x_minus_one, mont_x, one);
- fe_add(mont_x_plus_one, mont_x, one);
- fe_invert(inv_mont_x_plus_one, mont_x_plus_one);
- fe_mul(ed_y, mont_x_minus_one, inv_mont_x_plus_one);
- fe_tobytes(public_key, ed_y);
-
- public_key[31] &= 0x7F;
- public_key[31] |= (signature[63] & 0x80);
- signature[63] &= 0x7F;
-}
-
-
-void convert_ed25519_to_curve25519(
- unsigned char const * public_key,
- unsigned char * signature
-) {
- unsigned char sign_bit = public_key[31] & 0x80;
- signature[63] &= 0x7F;
- signature[63] |= sign_bit;
-}
-
-
-void ed25519_keypair(
- unsigned char * private_key,
- unsigned char * public_key
-) {
- ge_p3 A;
- private_key[0] &= 248;
- private_key[31] &= 63;
- private_key[31] |= 64;
- ge_scalarmult_base(&A, private_key);
- ge_p3_tobytes(public_key, &A);
-}