diff options
Diffstat (limited to 'c')
| -rw-r--r-- | c/sha3.c | 32 | ||||
| -rw-r--r-- | c/sha3.h | 16 |
2 files changed, 26 insertions, 22 deletions
@@ -525,7 +525,7 @@ static_inline byte* sha3_pad10star1(byte* restrict_ msg, long len, long r, long * @param capacity The capacity * @param output The output size */ -extern void sha3_initialise(long bitrate, long capacity, long output) +void sha3_initialise(long bitrate, long capacity, long output) { long i; @@ -555,7 +555,7 @@ extern void sha3_initialise(long bitrate, long capacity, long output) /** * Dispose of the Keccak sponge */ -extern void sha3_dispose() +void sha3_dispose() { #ifdef WITH_WIPE long i; @@ -586,7 +586,7 @@ extern void sha3_dispose() * @param msg The partial message * @param msglen The length of the partial message */ -extern void sha3_update(byte* restrict_ msg, long msglen) +void sha3_update(byte* restrict_ msg, long msglen) { long rr = r >> 3; long ww = w >> 3; @@ -666,7 +666,7 @@ extern void sha3_update(byte* restrict_ msg, long msglen) * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} */ -extern byte* sha3_digest(byte* restrict_ msg, long msglen, long bits, char* restrict_ suffix, boolean withReturn) +byte* sha3_digest(byte* restrict_ msg, long msglen, long bits, char* restrict_ suffix, boolean withReturn) { byte* message; byte* _msg; @@ -683,32 +683,36 @@ extern byte* sha3_digest(byte* restrict_ msg, long msglen, long bits, char* rest msglen += bits >> 3; if ((bits &= 7)) + msg[msglen] &= (1 << bits) - 1; + if (suffix_len) { - msg[msglen] &= (1 << bits) - 1; #ifndef WITH_WIPE msg = (byte*)realloc(msg, msglen + ((suffix_len + bits + 7) >> 3)); #else { char* old_msg = msg; msg = (byte*)malloc(msglen + ((suffix_len + bits + 7) >> 3)); - memcpy(msg, old_msg, msglen + 1); - for (i = 0; i <= msglen; i++) + memcpy(msg, old_msg, msglen + !!bits); + for (i = 0; i < msglen + !!bits; i++) *(old_msg + i) = 0; free(old_msg); } #endif + if (!bits) + msg[msglen] = 0; for (i = 0; i < suffix_len; i++) { - msg[msglen] |= (suffix[i] == '1') << bits; + msg[msglen] |= (suffix[i] - '0') << bits++; if (bits == 8) { bits = 0; msglen++; + msg[msglen] = 0; } } - if (bits) - msglen++; } + if (bits) + msglen++; if (mptr + msglen > mlen) #ifndef WITH_WIPE @@ -813,7 +817,7 @@ extern byte* sha3_digest(byte* restrict_ msg, long msglen, long bits, char* rest * * @param times The number of rounds */ -extern void sha3_simpleSqueeze(long times) +void sha3_simpleSqueeze(long times) { long i; for (i = 0; i < times; i++) @@ -826,7 +830,7 @@ extern void sha3_simpleSqueeze(long times) * * @param times The number of digests */ -extern void sha3_fastSqueeze(long times) +void sha3_fastSqueeze(long times) { long i, olen; for (i = 0; i < times; i++) @@ -844,7 +848,7 @@ extern void sha3_fastSqueeze(long times) * * @return The hash sum */ -extern byte* sha3_squeeze(void) +byte* sha3_squeeze(void) { long nn, ww, olen, i, j, ptr, ni; byte* rc; @@ -888,7 +892,7 @@ extern byte* sha3_squeeze(void) * * @return A 25-element array with the state, changes will be applied to the sponge */ -extern llong* sha3_state(void) +llong* sha3_state(void) { return S; } @@ -70,13 +70,13 @@ * @param capacity The capacity * @param output The output size */ -extern void sha3_initialise(long bitrate, long capacity, long output); +void sha3_initialise(long bitrate, long capacity, long output); /** * Dispose of the Keccak sponge */ -extern void sha3_dispose(void); +void sha3_dispose(void); /** @@ -85,7 +85,7 @@ extern void sha3_dispose(void); * @param msg The partial message * @param msglen The length of the partial message */ -extern void sha3_update(byte* restrict_ msg, long msglen); +void sha3_update(byte* restrict_ msg, long msglen); /** @@ -98,7 +98,7 @@ extern void sha3_update(byte* restrict_ msg, long msglen); * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} */ -extern byte* sha3_digest(byte* restrict_ msg, long msglen, long bits, char* restrict_ suffix, boolean withReturn); +byte* sha3_digest(byte* restrict_ msg, long msglen, long bits, char* restrict_ suffix, boolean withReturn); /** @@ -106,7 +106,7 @@ extern byte* sha3_digest(byte* restrict_ msg, long msglen, long bits, char* rest * * @param times The number of rounds */ -extern void sha3_simpleSqueeze(long times); +void sha3_simpleSqueeze(long times); /** @@ -114,7 +114,7 @@ extern void sha3_simpleSqueeze(long times); * * @param times The number of digests */ -extern void sha3_fastSqueeze(long times); +void sha3_fastSqueeze(long times); /** @@ -122,7 +122,7 @@ extern void sha3_fastSqueeze(long times); * * @return The hash sum */ -extern byte* sha3_squeeze(void); +byte* sha3_squeeze(void); /** @@ -130,7 +130,7 @@ extern byte* sha3_squeeze(void); * * @return A 25-element array with the state, changes will be applied to the sponge */ -extern llong* sha3_state(void); +llong* sha3_state(void); #endif |