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ascon: error out when word64 not available

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This commit is contained in:
Juliusz Sosinowicz
2025-01-29 11:36:33 +01:00
parent 76e29be1a9
commit f47bbfc174
2 changed files with 8 additions and 0 deletions
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4
wolfcrypt/src/ascon.c
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@@ -48,6 +48,10 @@
* - Add support for big-endian systems * - Add support for big-endian systems
* - Add support for 32-bit and smaller systems */ * - Add support for 32-bit and smaller systems */
#ifndef WORD64_AVAILABLE
#error "Ascon implementation requires a 64-bit word"
#endif
/* Data block size in bytes */ /* Data block size in bytes */
#define ASCON_HASH256_RATE 8 #define ASCON_HASH256_RATE 8
#define ASCON_HASH256_ROUNDS 12 #define ASCON_HASH256_ROUNDS 12

4
wolfssl/wolfcrypt/ascon.h
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@@ -37,7 +37,9 @@ extern "C" {
#define ASCON_AEAD128_TAG_SZ 16 #define ASCON_AEAD128_TAG_SZ 16
typedef union AsconState { typedef union AsconState {
#ifdef WORD64_AVAILABLE
word64 s64[5]; word64 s64[5];
#endif
word32 s32[10]; word32 s32[10];
word16 s16[20]; word16 s16[20];
byte s8[40]; byte s8[40];
@@ -56,7 +58,9 @@ enum {
typedef struct wc_AsconAEAD128 { typedef struct wc_AsconAEAD128 {
/* needed throughout both encrypt and decrypt */ /* needed throughout both encrypt and decrypt */
#ifdef WORD64_AVAILABLE
word64 key[ASCON_AEAD128_KEY_SZ/sizeof(word64)]; word64 key[ASCON_AEAD128_KEY_SZ/sizeof(word64)];
#endif
AsconState state; AsconState state;
byte lastBlkSz; byte lastBlkSz;
byte KeySet:1; /* has the key been processed */ byte KeySet:1; /* has the key been processed */