X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/6a0eb24483f0e24865f9c93bb1690cdf3f54ead4..8c5956c14f5834a072e1a9345ae1f356b14164ca:/symm/chacha.c diff --git a/symm/chacha.c b/symm/chacha.c index 37c6cfbb..90a4c674 100644 --- a/symm/chacha.c +++ b/symm/chacha.c @@ -97,7 +97,8 @@ static core__functype *pick_core(void) cpu_feature_p(CPUFEAT_ARM_NEON)); #endif #if CPUFAM_ARM64 - DISPATCH_PICK_COND(chacha_core, chacha_core_arm64, 1); + DISPATCH_PICK_COND(chacha_core, chacha_core_arm64, + cpu_feature_p(CPUFEAT_ARM_NEON)); #endif DISPATCH_PICK_FALLBACK(chacha_core, simple_core); } @@ -153,6 +154,8 @@ static void populate(chacha_matrix a, const void *key, size_t ksz) /*----- ChaCha implementation ---------------------------------------------*/ +static const octet zerononce[XCHACHA_NONCESZ]; + /* --- @chacha_init@ --- * * * Arguments: @chacha_ctx *ctx@ = context to fill in @@ -168,8 +171,6 @@ static void populate(chacha_matrix a, const void *key, size_t ksz) void chacha_init(chacha_ctx *ctx, const void *key, size_t ksz, const void *nonce) { - static const octet zerononce[CHACHA_NONCESZ]; - populate(ctx->a, key, ksz); chacha_setnonce(ctx, nonce ? nonce : zerononce); } @@ -405,8 +406,6 @@ CHACHA_VARS(DEFHCHACHA) void XCHACHA_INIT(r, XCHACHA_CTX(r) *ctx, \ const void *key, size_t ksz, const void *nonce) \ { \ - static const octet zerononce[XCHACHA_NONCESZ]; \ - \ populate(ctx->k, key, ksz); \ ctx->s.a[ 0] = CHACHA_A256; \ ctx->s.a[ 1] = CHACHA_B256; \ @@ -595,7 +594,7 @@ CHACHA_VARS(DEFGCIPHER) \ const gccipher xchacha##r = { \ "xchacha" #r, chacha_keysz, \ - CHACHA_NONCESZ, gxinit_##r \ + XCHACHA_NONCESZ, gxinit_##r \ }; CHACHA_VARS(DEFGXCIPHER)