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Add return info to sha256 docs

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Signed-off-by: Aaron Erhardt <aaron.erhardt@t-online.de>
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Aaron Erhardt 2021-10-22 22:05:10 +02:00
parent a5a2399cb0
commit 9bb56dc6be
1 changed files with 3 additions and 0 deletions
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include/mbedtls/sha256.h
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@ -167,6 +167,9 @@ int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx,
* for SHA-256, \c 28 bytes for SHA-224. * for SHA-256, \c 28 bytes for SHA-224.
* \param is224 Determines which function to use. This must be * \param is224 Determines which function to use. This must be
* either \c 0 for SHA-256, or \c 1 for SHA-224. * 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( const unsigned char *input, int mbedtls_sha256( const unsigned char *input,
size_t ilen, size_t ilen,