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crypto: fix strict aliasing for expandedKey in aesb.c

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jeffro256
2026-06-07 12:32:10 -05:00
parent 1a65f025ea
commit c1f7f0bdb6
1 changed files with 5 additions and 12 deletions
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src/crypto/aesb.c
+5 -12
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@@ -19,6 +19,7 @@ Issue Date: 20/12/2007
*/
#include <stdint.h>
#include <string.h>
#include "int-util.h"
#if defined(__cplusplus)
@@ -141,18 +142,10 @@ extern "C"
d_4(uint32_t, t_dec(f,n), sb_data, u0, u1, u2, u3);
#if !defined(STATIC)
#define STATIC
#endif
#if !defined(INLINE)
#define INLINE
#endif
STATIC INLINE void aesb_single_round(const uint8_t *in, uint8_t *out, uint8_t *expandedKey)
void aesb_single_round(const uint8_t *in, uint8_t *out, uint8_t *expandedKey)
{
uint32_t b0[4], b1[4];
const uint32_t *kp = (uint32_t *) expandedKey;
uint32_t kp[4]; memcpy(kp, expandedKey, sizeof(kp));
state_in(b0, in);
round(fwd_rnd, b1, b0, kp);
@@ -160,10 +153,10 @@ STATIC INLINE void aesb_single_round(const uint8_t *in, uint8_t *out, uint8_t *e
state_out(out, b1);
}
STATIC INLINE void aesb_pseudo_round(const uint8_t *in, uint8_t *out, uint8_t *expandedKey)
void aesb_pseudo_round(const uint8_t *in, uint8_t *out, uint8_t *expandedKey)
{
uint32_t b0[4], b1[4];
const uint32_t *kp = (uint32_t *) expandedKey;
uint32_t kp[40]; memcpy(kp, expandedKey, sizeof(kp));
state_in(b0, in);
round(fwd_rnd, b1, b0, kp);