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-rw-r--r--digest.c2
-rw-r--r--libsha2.h2
-rw-r--r--libsha2_digest.32
-rw-r--r--marshal.c4
-rw-r--r--test.c86
-rw-r--r--unmarshal.c6
6 files changed, 92 insertions, 10 deletions
diff --git a/digest.c b/digest.c
index 492f6e2..5dc1600 100644
--- a/digest.c
+++ b/digest.c
@@ -11,7 +11,7 @@
* @param output The output buffer for the hash
*/
void
-libsha2_digest(struct libsha2_state *restrict state, const char *restrict message, size_t msglen, char *output)
+libsha2_digest(struct libsha2_state *restrict state, const char *message, size_t msglen, char *output)
{
size_t off, i, n;
diff --git a/libsha2.h b/libsha2.h
index e410271..106e3dd 100644
--- a/libsha2.h
+++ b/libsha2.h
@@ -197,7 +197,7 @@ void libsha2_update(struct libsha2_state *restrict, const char *restrict, size_t
#if defined(__GNUC__)
__attribute__((__nonnull__(1, 4), __nothrow__))
#endif
-void libsha2_digest(struct libsha2_state *restrict, const char *restrict, size_t, char *);
+void libsha2_digest(struct libsha2_state *restrict, const char *, size_t, char *);
/**
* Calculate the checksum for a file,
diff --git a/libsha2_digest.3 b/libsha2_digest.3
index fd4e0ad..c31025c 100644
--- a/libsha2_digest.3
+++ b/libsha2_digest.3
@@ -5,7 +5,7 @@ libsha2_digest \- Get the result of a SHA 2 hashing
.nf
#include <libsha2.h>
-void libsha2_digest(struct libsha2_state *restrict \fIstate\fP, const char *restrict \fImessage\fP, size_t \fImsglen\fP, char *\fIoutput\fP);
+void libsha2_digest(struct libsha2_state *restrict \fIstate\fP, const char *\fImessage\fP, size_t \fImsglen\fP, char *\fIoutput\fP);
.fi
.PP
Link with
diff --git a/marshal.c b/marshal.c
index cae5b20..ed0cce5 100644
--- a/marshal.c
+++ b/marshal.c
@@ -50,8 +50,8 @@ libsha2_marshal(const struct libsha2_state *restrict state, char *restrict buf)
*(size_t *)&buf[off] = state->chunk_size;
off += sizeof(size_t);
if (buf)
- memcpy(&buf[off], state->chunk, state->message_size % state->chunk_size);
- off += state->message_size % state->chunk_size;
+ memcpy(&buf[off], state->chunk, (state->message_size / 8) % state->chunk_size);
+ off += (state->message_size / 8) % state->chunk_size;
return off;
}
diff --git a/test.c b/test.c
index 38bd3b0..8cb0d97 100644
--- a/test.c
+++ b/test.c
@@ -1,10 +1,12 @@
/* See LICENSE file for copyright and license details. */
#include "libsha2.h"
+#include <sys/wait.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#define test(EXPR)\
@@ -64,9 +66,12 @@
int
main(int argc, char *argv[])
{
- char buf[8096], str[1024];
+ char buf[8096], str[2048];
struct libsha2_state s;
- int skip_huge;
+ int skip_huge, fds[2], status;
+ size_t i, j, n, len;
+ ssize_t r;
+ pid_t pid;
skip_huge = (argc == 2 && !strcmp(argv[1], "skip-huge"));
@@ -216,14 +221,91 @@ main(int argc, char *argv[])
test_custom("abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", LIBSHA2_512,
"8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909");
+ test_repeated(0x41, 1000, LIBSHA2_512_224, "3000c31a7ab8e9c760257073c4d3be370fab6d1d28eb027c6d874f29");
test_custom("abc", LIBSHA2_512_224, "4634270f707b6a54daae7530460842e20e37ed265ceee9a43e8924aa");
test_custom("abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", LIBSHA2_512_224,
"23fec5bb94d60b23308192640b0c453335d664734fe40e7268674af9");
+ test_repeated(0x41, 1000, LIBSHA2_512_256, "6ad592c8991fa0fc0fc78b6c2e73f3b55db74afeb1027a5aeacb787fb531e64a");
test_custom("abc", LIBSHA2_512_256, "53048e2681941ef99b2e29b76b4c7dabe4c2d0c634fc6d46e0e2f13107e7af23");
test_custom("abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", LIBSHA2_512_256,
"3928e184fb8690f840da3988121d31be65cb9d3ef83ee6146feac861e19b563a");
+ for (i = 0; i < 1000; i++) {
+ for (j = 0; j < 6; j++) {
+ memset(buf, 0x41, 1000);
+ test(!libsha2_init(&s, (enum libsha2_algorithm)j));
+ libsha2_update(&s, buf, i * 8);
+ libsha2_digest(&s, buf, (1000 - i) * 8, buf);
+ libsha2_behex_lower(str, buf, libsha2_state_output_size(&s));
+ test_str(str, ((const char *[]){
+ "a8d0c66b5c6fdfd836eb3c6d04d32dfe66c3b1f168b488bf4c9c66ce",
+ "c2e686823489ced2017f6059b8b239318b6364f6dcd835d0a519105a1eadd6e4",
+ "7df01148677b7f18617eee3a23104f0eed6bb8c90a6046f715c9445ff43c30d69e9e7082de39c3452fd1d3afd9ba0689",
+ "329c52ac62d1fe731151f2b895a00475445ef74f50b979c6f7bb7cae349328c1d4cb4f7261a0ab43f936a24b000651d4a824fcdd577f211aef8f806b16afe8af",
+ "3000c31a7ab8e9c760257073c4d3be370fab6d1d28eb027c6d874f29",
+ "6ad592c8991fa0fc0fc78b6c2e73f3b55db74afeb1027a5aeacb787fb531e64a"
+ })[j]);
+
+ memset(buf, 0x41, 1000);
+ test(!libsha2_init(&s, (enum libsha2_algorithm)j));
+ libsha2_update(&s, buf, i * 8);
+ libsha2_update(&s, buf, (1000 - i) * 8);
+ libsha2_digest(&s, NULL, 0, buf);
+ libsha2_behex_lower(str, buf, libsha2_state_output_size(&s));
+ test_str(str, ((const char *[]){
+ "a8d0c66b5c6fdfd836eb3c6d04d32dfe66c3b1f168b488bf4c9c66ce",
+ "c2e686823489ced2017f6059b8b239318b6364f6dcd835d0a519105a1eadd6e4",
+ "7df01148677b7f18617eee3a23104f0eed6bb8c90a6046f715c9445ff43c30d69e9e7082de39c3452fd1d3afd9ba0689",
+ "329c52ac62d1fe731151f2b895a00475445ef74f50b979c6f7bb7cae349328c1d4cb4f7261a0ab43f936a24b000651d4a824fcdd577f211aef8f806b16afe8af",
+ "3000c31a7ab8e9c760257073c4d3be370fab6d1d28eb027c6d874f29",
+ "6ad592c8991fa0fc0fc78b6c2e73f3b55db74afeb1027a5aeacb787fb531e64a",
+ })[j]);
+
+ if (!i)
+ continue;
+
+ memset(buf, 0x41, 1000);
+ test(!libsha2_init(&s, (enum libsha2_algorithm)j));
+ for (n = 0; n + i < 1000; n += i) {
+ libsha2_update(&s, buf, i * 8);
+ test((len = libsha2_marshal(&s, NULL)) && len <= sizeof(str));
+ test(libsha2_marshal(&s, str) == len);
+ memset(&s, 0, sizeof(s));
+ test(libsha2_unmarshal(&s, str, sizeof(s)) == len);
+ }
+ libsha2_digest(&s, buf, (1000 - n) * 8, buf);
+ libsha2_behex_lower(str, buf, libsha2_state_output_size(&s));
+ test_str(str, ((const char *[]){
+ "a8d0c66b5c6fdfd836eb3c6d04d32dfe66c3b1f168b488bf4c9c66ce",
+ "c2e686823489ced2017f6059b8b239318b6364f6dcd835d0a519105a1eadd6e4",
+ "7df01148677b7f18617eee3a23104f0eed6bb8c90a6046f715c9445ff43c30d69e9e7082de39c3452fd1d3afd9ba0689",
+ "329c52ac62d1fe731151f2b895a00475445ef74f50b979c6f7bb7cae349328c1d4cb4f7261a0ab43f936a24b000651d4a824fcdd577f211aef8f806b16afe8af",
+ "3000c31a7ab8e9c760257073c4d3be370fab6d1d28eb027c6d874f29",
+ "6ad592c8991fa0fc0fc78b6c2e73f3b55db74afeb1027a5aeacb787fb531e64a",
+ })[j]);
+ }
+ }
+
+ test(!errno);
+
+ test(!pipe(fds));
+ test((pid = fork()) >= 0);
+ if (!pid) {
+ close(fds[0]);
+ memset(buf, 0x41, 1000);
+ for (n = 1000; n; n -= (size_t)r)
+ test((r = write(fds[1], buf, n < 8 ? n : 8)) > 0);
+ exit(0);
+ }
+ close(fds[1]);
+ test(!libsha2_sum_fd(fds[0], LIBSHA2_256, buf));
+ test(waitpid(pid, &status, 0) == pid);
+ test(!status);
+ close(fds[0]);
+ libsha2_behex_lower(str, buf, libsha2_algorithm_output_size(LIBSHA2_256));
+ test_str(str, "c2e686823489ced2017f6059b8b239318b6364f6dcd835d0a519105a1eadd6e4");
+
test(!errno);
return 0;
diff --git a/unmarshal.c b/unmarshal.c
index 6bbfaa0..909bdc2 100644
--- a/unmarshal.c
+++ b/unmarshal.c
@@ -74,12 +74,12 @@ libsha2_unmarshal(struct libsha2_state *restrict state, const char *restrict buf
state->chunk_size = *(const size_t *)&buf[off];
off += sizeof(size_t);
- if (bufsize - off < state->message_size % state->chunk_size) {
+ if (bufsize - off < (state->message_size / 8) % state->chunk_size) {
errno = EINVAL;
return 0;
}
- memcpy(state->chunk, &buf[off], state->message_size % state->chunk_size);
- off += state->message_size % state->chunk_size;
+ memcpy(state->chunk, &buf[off], (state->message_size / 8) % state->chunk_size);
+ off += (state->message_size / 8) % state->chunk_size;
return off;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-10 06:18:42 +0000