Restore useful comments above wc_RsaDirect in the .c file.

dgarske · dgarske · commit fa87e227b434 · 2024-01-23T08:39:35.000-08:00
diff --git a/wolfcrypt/src/rsa.c b/wolfcrypt/src/rsa.c
@@ -2868,6 +2868,9 @@ static int wc_RsaFunctionAsync(const byte* in, word32 inLen, byte* out,
 #endif /* WOLFSSL_ASYNC_CRYPT && WC_ASYNC_ENABLE_RSA */
 
 #if defined(WC_RSA_DIRECT) || defined(WC_RSA_NO_PADDING)
+/* Performs direct RSA computation without padding. The input and output must
+ * match the key size (ex: 2048-bits = 256 bytes). Returns the size of the
+ * output on success or negative value on failure. */
 int wc_RsaDirect(byte* in, word32 inLen, byte* out, word32* outSz,
         RsaKey* key, int type, WC_RNG* rng)
 {

Original file line number	Diff line number	Diff line change
`@@ -2868,6 +2868,9 @@ static int wc_RsaFunctionAsync(const byte* in, word32 inLen, byte* out,`
`2868`	`2868`	`#endif /* WOLFSSL_ASYNC_CRYPT && WC_ASYNC_ENABLE_RSA */`
`2869`	`2869`
`2870`	`2870`	`#if defined(WC_RSA_DIRECT) \|\| defined(WC_RSA_NO_PADDING)`
	`2871`	`+/* Performs direct RSA computation without padding. The input and output must`
	`2872`	`+ * match the key size (ex: 2048-bits = 256 bytes). Returns the size of the`
	`2873`	`+ * output on success or negative value on failure. */`
`2871`	`2874`	`int wc_RsaDirect(byte* in, word32 inLen, byte* out, word32* outSz,`
`2872`	`2875`	`RsaKey* key, int type, WC_RNG* rng)`
`2873`	`2876`	`{`