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aes.c: in linuxkm clause of WOLFSSL_AES_DIRECT section, gate on WOLFSSL_LINUXKM && WOLFSSL_AESNI (with no-asm falling through to the generic definition), and use wolfssl-idiomatic WARN_UNUSED_RESULT, not linux-kernel-idiomatic __must_check. (thanks to John S peer review)

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This commit is contained in:
Daniel Pouzzner
2022-01-21 16:32:00 -06:00
parent a718637c6f
commit 565a7b0aab
1 changed files with 4 additions and 23 deletions
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27
wolfcrypt/src/aes.c
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@ -3142,11 +3142,9 @@ int wc_AesSetIV(Aes* aes, const byte* iv)
#elif defined(WOLFSSL_DEVCRYPTO_AES)
/* implemented in wolfcrypt/src/port/devcrypt/devcrypto_aes.c */
#elif defined(WOLFSSL_LINUXKM)
#elif defined(WOLFSSL_LINUXKM) && defined(WOLFSSL_AESNI)
#ifdef WOLFSSL_AESNI
__must_check int wc_AesEncryptDirect(Aes* aes, byte* out, const byte* in)
WARN_UNUSED_RESULT int wc_AesEncryptDirect(Aes* aes, byte* out, const byte* in)
{
int ret;
if (haveAESNI && aes->use_aesni)
@ -3163,7 +3161,7 @@ int wc_AesSetIV(Aes* aes, const byte* iv)
#define wc_AesEncryptDirect(aes, out, in) wc_AesEncrypt(aes, in, out)
#ifdef HAVE_AES_DECRYPT
/* Allow direct access to one block decrypt */
__must_check int wc_AesDecryptDirect(Aes* aes, byte* out, const byte* in)
WARN_UNUSED_RESULT int wc_AesDecryptDirect(Aes* aes, byte* out, const byte* in)
{
int ret;
if (haveAESNI && aes->use_aesni)
@ -3176,25 +3174,8 @@ int wc_AesSetIV(Aes* aes, const byte* iv)
#define wc_AesDecryptDirect(aes, out, in) wc_AesDecrypt(aes, in, out)
#endif /* HAVE_AES_DECRYPT */
#else /* !WOLFSSL_AESNI */
__must_check int wc_AesEncryptDirect(Aes* aes, byte* out, const byte* in)
{
return wc_AesEncrypt(aes, in, out);
}
#define wc_AesEncryptDirect(aes, out, in) wc_AesEncrypt(aes, in, out)
#ifdef HAVE_AES_DECRYPT
/* Allow direct access to one block decrypt */
__must_check int wc_AesDecryptDirect(Aes* aes, byte* out, const byte* in)
{
return wc_AesDecrypt(aes, in, out);
}
#define wc_AesDecryptDirect(aes, out, in) wc_AesDecrypt(aes, in, out)
#endif /* HAVE_AES_DECRYPT */
#endif /* WOLFSSL_AESNI */
#else
/* Allow direct access to one block encrypt */
int wc_AesEncryptDirect(Aes* aes, byte* out, const byte* in)
{