diff options
Diffstat (limited to 'c/sha3.c')
| -rw-r--r-- | c/sha3.c | 31 |
1 files changed, 28 insertions, 3 deletions
@@ -34,8 +34,8 @@ #define min(X, Y) ((X) < (Y) ? (X) : (Y)) -#define arraycopy(src, soff, dest, doff, length) {long copyi; for (copyi = 0; copyi < length; copyi++) dest[copyi + soff] = src[copyi + doff];} -#define revarraycopy(src, soff, dest, doff, length) {long copyi; for (copyi = length - 1; copyi >= 0; copyi--) dest[copyi + soff] = src[copyi + doff];} +#define arraycopy(src, soff, dest, doff, length) {long copyi; for (copyi = 0; copyi < length; copyi++) dest[copyi + doff] = src[copyi + soff];} +#define revarraycopy(src, soff, dest, doff, length) {long copyi; for (copyi = length - 1; copyi >= 0; copyi--) dest[copyi + doff] = src[copyi + soff];} @@ -354,7 +354,7 @@ static byte* pad10star1(byte* msg, long len, long r, long* outlen) message = (byte*)malloc(len); message[nrf] = b; for (i = nrf + 1; i < len; i++) - message[i + nrf] = 0; + message[i] = 0; message[len - 1] = -128; } arraycopy(msg, 0, message, 0, nrf); @@ -373,6 +373,8 @@ static byte* pad10star1(byte* msg, long len, long r, long* outlen) */ extern void initialise(long bitrate, long capacity, long output) { + long i; + r = bitrate; n = output; c = capacity; @@ -384,8 +386,27 @@ extern void initialise(long bitrate, long capacity, long output) S = (llong*)malloc(25 * sizeof(llong)); M = (byte*)malloc(mlen = (r * b) >> 2); mptr = 0; + + for (i = 0; i < 25; i++) + *(S + i) = 0; } +/** + * Dispose of the Keccak sponge + */ +extern void dispose() +{ + if (S != null) + { + free(S); + S = null; + } + if (M != null) + { + free(M); + M = null; + } +} /** * Absorb the more of the message message to the Keccak sponge @@ -476,6 +497,8 @@ extern void update(byte* msg, long msglen) S[24] ^= toLane(message, len, rr, ww, i + 24 * w); keccakF(S); } + + free(message); } @@ -574,6 +597,8 @@ extern byte* digest(byte* msg, long msglen) keccakF(S); } + free(message); + /* Squeezing phase */ olen = n; ni = min(25, rr); |