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| author | Mattias Andrée <maandree@operamail.com> | 2014-11-05 20:15:56 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@operamail.com> | 2014-11-05 20:15:56 +0100 |
| commit | dbf07c027699b95984fcdb53808d0f58316f7424 (patch) | |
| tree | 70592b5d62c9f1796d81f135d2e48cf375aed24e | |
| parent | prepare check rule for the test reading the license file (diff) | |
| download | libkeccak-dbf07c027699b95984fcdb53808d0f58316f7424.tar.gz libkeccak-dbf07c027699b95984fcdb53808d0f58316f7424.tar.bz2 libkeccak-dbf07c027699b95984fcdb53808d0f58316f7424.tar.xz | |
add libkeccak_state_reset
Signed-off-by: Mattias Andrée <maandree@operamail.com>
| -rw-r--r-- | src/libkeccak/state.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/libkeccak/state.h b/src/libkeccak/state.h index 7f4f3b6..e11ac80 100644 --- a/src/libkeccak/state.h +++ b/src/libkeccak/state.h @@ -112,6 +112,20 @@ int libkeccak_state_initialise(libkeccak_state_t* restrict state, const libkecca /** + * Reset a state according to hashing specifications + * + * @param state The state that should be reset + * @return Zero on success, -1 on error + */ +__attribute__((nonnull, nothrow, unused)) +static inline void libkeccak_state_reset(libkeccak_state_t* restrict state) +{ + state->mptr = 0; + __builtin_memset(state->S, 0, sizeof(state->S)); +} + + +/** * Release resources allocation for a state without wiping sensitive data * * @param state The state that should be destroyed |