Fix CMAC verify error return value

Frauschi · Frauschi · commit 59ec1a562b83 · 2026-05-11T11:48:05.000+02:00
diff --git a/wolfcrypt/src/cmac.c b/wolfcrypt/src/cmac.c
@@ -591,7 +591,7 @@ int wc_AesCmacVerify_ex(Cmac* cmac,
                                 devId);
     if (ret == 0) {
         compareRet = ConstantCompare(check, a, (int)min(checkSz, aSz));
-        ret = compareRet ? 1 : 0;
+        ret = compareRet ? MAC_CMP_FAILED_E : 0;
     }
 
     return ret;

Original file line number	Diff line number	Diff line change
`@@ -591,7 +591,7 @@ int wc_AesCmacVerify_ex(Cmac* cmac,`
`591`	`591`	`devId);`
`592`	`592`	`if (ret == 0) {`
`593`	`593`	`compareRet = ConstantCompare(check, a, (int)min(checkSz, aSz));`
`594`		`- ret = compareRet ? 1 : 0;`
	`594`	`+ ret = compareRet ? MAC_CMP_FAILED_E : 0;`
`595`	`595`	`}`
`596`	`596`
`597`	`597`	`return ret;`