X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/6a0eb24483f0e24865f9c93bb1690cdf3f54ead4..8c5956c14f5834a072e1a9345ae1f356b14164ca:/symm/salsa20.c

diff --git a/symm/salsa20.c b/symm/salsa20.c
index a055f3b1..e7c35f4f 100644
--- a/symm/salsa20.c
+++ b/symm/salsa20.c
@@ -97,7 +97,8 @@ static core__functype *pick_core(void)
 		     cpu_feature_p(CPUFEAT_ARM_NEON));
 #endif
 #if CPUFAM_ARM64
-  DISPATCH_PICK_COND(salsa20_core, salsa20_core_arm64, 1);
+  DISPATCH_PICK_COND(salsa20_core, salsa20_core_arm64,
+		     cpu_feature_p(CPUFEAT_ARM_NEON));
 #endif
   DISPATCH_PICK_FALLBACK(salsa20_core, simple_core);
 }
@@ -162,6 +163,8 @@ static void populate(salsa20_matrix a, const void *key, size_t ksz)
 
 /*----- Salsa20 implementation --------------------------------------------*/
 
+static const octet zerononce[XSALSA20_NONCESZ];
+
 /* --- @salsa20_init@ --- *
  *
  * Arguments:	@salsa20_ctx *ctx@ = context to fill in
@@ -177,8 +180,6 @@ static void populate(salsa20_matrix a, const void *key, size_t ksz)
 void salsa20_init(salsa20_ctx *ctx, const void *key, size_t ksz,
 		  const void *nonce)
 {
-  static const octet zerononce[SALSA20_NONCESZ];
-
   populate(ctx->a, key, ksz);
   salsa20_setnonce(ctx, nonce ? nonce : zerononce);
 }
@@ -423,8 +424,6 @@ SALSA20_VARS(DEFHSALSA20)
   void XSALSA20_INIT(r, XSALSA20_CTX(r) *ctx,				\
 			const void *key, size_t ksz, const void *nonce)	\
   {									\
-    static const octet zerononce[XSALSA20_NONCESZ];			\
-									\
     populate(ctx->k, key, ksz);						\
     ctx->s.a[ 0] = SALSA20_A256;					\
     ctx->s.a[ 1] = SALSA20_B256;					\