From 9d4bd0942daca7b705d73de7341834444567b457 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sun, 10 Feb 2019 17:20:40 +0100 Subject: Add libsha2_hmac_[un]marshal MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libsha2.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'libsha2.h') diff --git a/libsha2.h b/libsha2.h index d4d52bf..21e0b98 100644 --- a/libsha2.h +++ b/libsha2.h @@ -363,5 +363,30 @@ __attribute__((__leaf__, __nonnull__, __nothrow__)) #endif int libsha2_hmac_digest(struct libsha2_hmac_state *restrict, const void *, size_t, void *); +/** + * Marshal an HMAC state into a buffer + * + * @param state The state to marshal + * @param buf Output buffer, `NULL` to only return the required size + * @return The number of bytes marshalled to `buf` + */ +#if defined(__GNUC__) +__attribute__((__leaf__, __nonnull__(1), __nothrow__)) +#endif +size_t libsha2_hmac_marshal(const struct libsha2_hmac_state *restrict, void *restrict); + +/** + * Unmarshal an HMAC state from a buffer + * + * @param state Output parameter for the unmarshalled state + * @param buf The buffer from which the state shall be unmarshalled + * @param bufsize The maximum number of bytes that can be unmarshalled + * @return The number of read bytes, 0 on failure + */ +#if defined(__GNUC__) +__attribute__((__leaf__, __nonnull__, __nothrow__)) +#endif +size_t libsha2_hmac_unmarshal(struct libsha2_hmac_state *restrict, const void *restrict, size_t); + #endif -- cgit v1.2.3-70-g09d2