From a5f85c860be0396af44d6c0c0b72cddab8877cad Mon Sep 17 00:00:00 2001 From: Tom Cosgrove Date: Mon, 22 Nov 2021 15:35:27 +0000 Subject: [PATCH] further improvements to sha256 docs Signed-off-by: Tom Cosgrove --- include/mbedtls/sha256.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/mbedtls/sha256.h b/include/mbedtls/sha256.h index c55177d79e..68386a52a9 100644 --- a/include/mbedtls/sha256.h +++ b/include/mbedtls/sha256.h @@ -264,6 +264,9 @@ MBEDTLS_DEPRECATED void mbedtls_sha256_process( mbedtls_sha256_context *ctx, * be a writable buffer of length \c 32 Bytes. * \param is224 Determines which function to use. This must be * either \c 0 for SHA-256, or \c 1 for SHA-224. + * + * \return \c 0 on success. + * \return A negative error code on failure. */ int mbedtls_sha256_ret( const unsigned char *input, size_t ilen,