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Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_sign/ed25519/ref10/ge_frombytes.c')
-rw-r--r--external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_sign/ed25519/ref10/ge_frombytes.c50
1 files changed, 0 insertions, 50 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_sign/ed25519/ref10/ge_frombytes.c b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_sign/ed25519/ref10/ge_frombytes.c
deleted file mode 100644
index 1a059ee9..00000000
--- a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_sign/ed25519/ref10/ge_frombytes.c
+++ /dev/null
@@ -1,50 +0,0 @@
-#include "ge.h"
-
-static const fe d = {
-#include "d.h"
-} ;
-
-static const fe sqrtm1 = {
-#include "sqrtm1.h"
-} ;
-
-int ge_frombytes_negate_vartime(ge_p3 *h,const unsigned char *s)
-{
- fe u;
- fe v;
- fe v3;
- fe vxx;
- fe check;
-
- fe_frombytes(h->Y,s);
- fe_1(h->Z);
- fe_sq(u,h->Y);
- fe_mul(v,u,d);
- fe_sub(u,u,h->Z); /* u = y^2-1 */
- fe_add(v,v,h->Z); /* v = dy^2+1 */
-
- fe_sq(v3,v);
- fe_mul(v3,v3,v); /* v3 = v^3 */
- fe_sq(h->X,v3);
- fe_mul(h->X,h->X,v);
- fe_mul(h->X,h->X,u); /* x = uv^7 */
-
- fe_pow22523(h->X,h->X); /* x = (uv^7)^((q-5)/8) */
- fe_mul(h->X,h->X,v3);
- fe_mul(h->X,h->X,u); /* x = uv^3(uv^7)^((q-5)/8) */
-
- fe_sq(vxx,h->X);
- fe_mul(vxx,vxx,v);
- fe_sub(check,vxx,u); /* vx^2-u */
- if (fe_isnonzero(check)) {
- fe_add(check,vxx,u); /* vx^2+u */
- if (fe_isnonzero(check)) return -1;
- fe_mul(h->X,h->X,sqrtm1);
- }
-
- if (fe_isnegative(h->X) == (s[31] >> 7))
- fe_neg(h->X,h->X);
-
- fe_mul(h->T,h->X,h->Y);
- return 0;
-}