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-rw-r--r--networking/tls_fe.c32
1 files changed, 21 insertions, 11 deletions
diff --git a/networking/tls_fe.c b/networking/tls_fe.c
index 37fea34f7..dcb41468a 100644
--- a/networking/tls_fe.c
+++ b/networking/tls_fe.c
@@ -556,19 +556,29 @@ static void xc_double(byte *x3, byte *z3,
556 556
557void curve25519(byte *result, const byte *e, const byte *q) 557void curve25519(byte *result, const byte *e, const byte *q)
558{ 558{
559 /* from wolfssl-3.15.3/wolfssl/wolfcrypt/fe_operations.h */
560 static const byte f25519_one[F25519_SIZE] = {1};
561
562 /* Current point: P_m */
563 byte xm[F25519_SIZE];
564 byte zm[F25519_SIZE] = {1};
565
566 /* Predecessor: P_(m-1) */
567 byte xm1[F25519_SIZE] = {1};
568 byte zm1[F25519_SIZE] = {0};
569
570 int i; 559 int i;
571 560
561 struct {
562 /* from wolfssl-3.15.3/wolfssl/wolfcrypt/fe_operations.h */
563 /*static const*/ byte f25519_one[F25519_SIZE]; // = {1};
564
565 /* Current point: P_m */
566 byte xm[F25519_SIZE];
567 byte zm[F25519_SIZE]; // = {1};
568 /* Predecessor: P_(m-1) */
569 byte xm1[F25519_SIZE]; // = {1};
570 byte zm1[F25519_SIZE]; // = {0};
571 } z;
572#define f25519_one z.f25519_one
573#define xm z.xm
574#define zm z.zm
575#define xm1 z.xm1
576#define zm1 z.zm1
577 memset(&z, 0, sizeof(z));
578 f25519_one[0] = 1;
579 zm[0] = 1;
580 xm1[0] = 1;
581
572 /* Note: bit 254 is assumed to be 1 */ 582 /* Note: bit 254 is assumed to be 1 */
573 lm_copy(xm, q); 583 lm_copy(xm, q);
574 584