symm/chacha.c, symm/salsa20.c: Merge the `zerononce' values.

[catacomb] / symm / salsa20.c

diff --git a/symm/salsa20.c b/symm/salsa20.c
index 03fcf46..cc01cf7 100644 (file)
--- a/symm/salsa20.c
+++ b/symm/salsa20.c
@@ -72,6 +72,7 @@ static void simple_core(unsigned r, const salsa20_matrix src,
 
 #if CPUFAM_X86 || CPUFAM_AMD64
 extern core__functype salsa20_core_x86ish_sse2;
+extern core__functype salsa20_core_x86ish_avx;
 #endif
 
 #if CPUFAM_ARMEL
@@ -85,6 +86,8 @@ extern core__functype salsa20_core_arm64;
 static core__functype *pick_core(void)
 {
 #if CPUFAM_X86 || CPUFAM_AMD64
+  DISPATCH_PICK_COND(salsa20_core, salsa20_core_x86ish_avx,
+                    cpu_feature_p(CPUFEAT_X86_AVX));
   DISPATCH_PICK_COND(salsa20_core, salsa20_core_x86ish_sse2,
                     cpu_feature_p(CPUFEAT_X86_SSE2));
 #endif
@@ -158,6 +161,8 @@ 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
@@ -173,8 +178,6 @@ 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);
 }
@@ -418,8 +421,6 @@ 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;                                       \