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NULL check in CAAM XMALLOC cases

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This commit is contained in:
JacobBarthelmeh
2026-05-11 16:34:02 -06:00
parent 8b2b49d496
commit d592b834c5
1 changed files with 20 additions and 0 deletions
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wolfcrypt/src/port/caam/wolfcaam_fsl_nxp.c
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@@ -151,6 +151,9 @@ static int wc_CAAM_CommonHash(caam_handle_t* hndl, caam_hash_ctx_t *ctx,
/* input not aligned */
tmpIn = (byte*)XMALLOC(inSz + CAAM_BUFFER_ALIGN, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (tmpIn == NULL) {
return MEMORY_E;
}
alignedIn = tmpIn + (CAAM_BUFFER_ALIGN -
((wc_ptr_t)tmpIn % CAAM_BUFFER_ALIGN));
XMEMCPY(alignedIn, in, inSz);
@@ -176,6 +179,9 @@ static int wc_CAAM_CommonHash(caam_handle_t* hndl, caam_hash_ctx_t *ctx,
/* input not aligned */
tmpOut = (byte*)XMALLOC(sz + CAAM_BUFFER_ALIGN, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (tmpOut == NULL) {
return MEMORY_E;
}
alignedOut = tmpOut + (CAAM_BUFFER_ALIGN -
((wc_ptr_t)tmpOut % CAAM_BUFFER_ALIGN));
}
@@ -308,6 +314,9 @@ static int DoAesCTR(unsigned int args[4], CAAM_BUFFER *buf, int sz)
/* input not aligned */
tmpIn = (byte*)XMALLOC(buf[2].Length + CAAM_BUFFER_ALIGN, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (tmpIn == NULL) {
return MEMORY_E;
}
alignedIn = tmpIn + (CAAM_BUFFER_ALIGN -
((wc_ptr_t)tmpIn % CAAM_BUFFER_ALIGN));
XMEMCPY(alignedIn, (byte*)buf[2].TheAddress, buf[2].Length);
@@ -320,6 +329,10 @@ static int DoAesCTR(unsigned int args[4], CAAM_BUFFER *buf, int sz)
/* output not aligned */
tmpOut = (byte*)XMALLOC(buf[3].Length + CAAM_BUFFER_ALIGN, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (tmpOut == NULL) {
XFREE(tmpIn, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return MEMORY_E;
}
alignedOut = tmpOut + (CAAM_BUFFER_ALIGN -
((wc_ptr_t)tmpOut % CAAM_BUFFER_ALIGN));
}
@@ -480,6 +493,10 @@ int wc_CAAM_EccSign(const byte* in, int inlen, byte* out, word32* outlen,
/* input not aligned */
tmpIn = (byte*)XMALLOC(inlen + CAAM_BUFFER_ALIGN, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (tmpIn == NULL) {
ForceZero(k, sizeof(k));
return MEMORY_E;
}
alignedIn = tmpIn + (CAAM_BUFFER_ALIGN -
((wc_ptr_t)tmpIn % CAAM_BUFFER_ALIGN));
XMEMCPY(alignedIn, in, inlen);
@@ -594,6 +611,9 @@ static int wc_CAAM_EccVerify_ex(mp_int* r, mp_int *s, const byte* hash,
/* input not aligned */
tmpIn = (byte*)XMALLOC(hashlen + CAAM_BUFFER_ALIGN, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (tmpIn == NULL) {
return MEMORY_E;
}
alignedIn = tmpIn + (CAAM_BUFFER_ALIGN -
((wc_ptr_t)tmpIn % CAAM_BUFFER_ALIGN));
XMEMCPY(alignedIn, hash, hashlen);