fix for coverity issue 394677

JacobBarthelmeh · JacobBarthelmeh · commit de20bb7ba994 · 2024-07-05T15:13:28.000-06:00
diff --git a/wolfcrypt/src/evp.c b/wolfcrypt/src/evp.c
@@ -3283,6 +3283,8 @@ int wolfSSL_EVP_PKEY_bits(const WOLFSSL_EVP_PKEY *pkey)
     if (pkey == NULL) return 0;
     WOLFSSL_ENTER("wolfSSL_EVP_PKEY_bits");
     if ((bytes = wolfSSL_EVP_PKEY_size((WOLFSSL_EVP_PKEY*)pkey)) ==0) return 0;
+    if (bytes < 0)
+        return 0;
     return bytes*8;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -3283,6 +3283,8 @@ int wolfSSL_EVP_PKEY_bits(const WOLFSSL_EVP_PKEY *pkey)`
`3283`	`3283`	`if (pkey == NULL) return 0;`
`3284`	`3284`	`WOLFSSL_ENTER("wolfSSL_EVP_PKEY_bits");`
`3285`	`3285`	`if ((bytes = wolfSSL_EVP_PKEY_size((WOLFSSL_EVP_PKEY*)pkey)) ==0) return 0;`
	`3286`	`+ if (bytes < 0)`
	`3287`	`+ return 0;`
`3286`	`3288`	`return bytes*8;`
`3287`	`3289`	`}`
`3288`	`3290`