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-rw-r--r--examples/00-sha3-256/Makefile16
l---------examples/00-sha3-256/hex.h1
-rw-r--r--examples/00-sha3-256/main.c23
l---------examples/00-sha3-256/sha3.c1
l---------examples/00-sha3-256/sha3.h1
-rw-r--r--examples/01-shake128/Makefile16
l---------examples/01-shake128/hex.h1
-rw-r--r--examples/01-shake128/main.c24
l---------examples/01-shake128/sha3.c1
l---------examples/01-shake128/sha3.h1
-rw-r--r--examples/02-kmac128/Makefile16
l---------examples/02-kmac128/hex.h1
-rw-r--r--examples/02-kmac128/main.c53
l---------examples/02-kmac128/sha3.c1
l---------examples/02-kmac128/sha3.h1
-rw-r--r--examples/03-tuplehash128/Makefile16
l---------examples/03-tuplehash128/hex.h1
-rw-r--r--examples/03-tuplehash128/main.c75
l---------examples/03-tuplehash128/sha3.c1
l---------examples/03-tuplehash128/sha3.h1
-rw-r--r--examples/04-turboshake128/Makefile16
l---------examples/04-turboshake128/hex.h1
-rw-r--r--examples/04-turboshake128/main.c56
l---------examples/04-turboshake128/sha3.c1
l---------examples/04-turboshake128/sha3.h1
-rw-r--r--examples/README.md1
26 files changed, 327 insertions, 0 deletions
diff --git a/examples/00-sha3-256/Makefile b/examples/00-sha3-256/Makefile
new file mode 100644
index 0000000..198831b
--- /dev/null
+++ b/examples/00-sha3-256/Makefile
@@ -0,0 +1,16 @@
+CFLAGS=-W -Wall -Wextra -Werror -pedantic -std=c11 -O3 -march=native -mtune=native
+APP=./sha3-256-example
+OBJS=sha3.o main.o
+
+.PHONY=all
+
+all: $(APP)
+
+$(APP): $(OBJS)
+ $(CC) -o $(APP) $(CFLAGS) $(OBJS)
+
+%.o: %.c
+ $(CC) -c $(CFLAGS) $<
+
+clean:
+ $(RM) -f $(APP) $(OBJS)
diff --git a/examples/00-sha3-256/hex.h b/examples/00-sha3-256/hex.h
new file mode 120000
index 0000000..2adfa3e
--- /dev/null
+++ b/examples/00-sha3-256/hex.h
@@ -0,0 +1 @@
+../../hex.h \ No newline at end of file
diff --git a/examples/00-sha3-256/main.c b/examples/00-sha3-256/main.c
new file mode 100644
index 0000000..26cdec3
--- /dev/null
+++ b/examples/00-sha3-256/main.c
@@ -0,0 +1,23 @@
+//
+// sha3-256-example: print sha3-256 hash of data to standard output.
+//
+#include <stdint.h>
+#include <stdio.h>
+#include "hex.h"
+#include "sha3.h"
+
+// test data
+static const uint8_t DATA[] = "this is some test data";
+
+int main() {
+ // hash data
+ uint8_t buf[32] = { 0 };
+ sha3_256(DATA, sizeof(DATA), buf);
+
+ // print result to stdout
+ printf("SHA3-256: ");
+ hex_write(stdout, buf, sizeof(buf));
+ printf("\n");
+
+ return 0;
+}
diff --git a/examples/00-sha3-256/sha3.c b/examples/00-sha3-256/sha3.c
new file mode 120000
index 0000000..4748193
--- /dev/null
+++ b/examples/00-sha3-256/sha3.c
@@ -0,0 +1 @@
+../../sha3.c \ No newline at end of file
diff --git a/examples/00-sha3-256/sha3.h b/examples/00-sha3-256/sha3.h
new file mode 120000
index 0000000..b7c53d4
--- /dev/null
+++ b/examples/00-sha3-256/sha3.h
@@ -0,0 +1 @@
+../../sha3.h \ No newline at end of file
diff --git a/examples/01-shake128/Makefile b/examples/01-shake128/Makefile
new file mode 100644
index 0000000..f5080cd
--- /dev/null
+++ b/examples/01-shake128/Makefile
@@ -0,0 +1,16 @@
+CFLAGS=-W -Wall -Wextra -Werror -pedantic -std=c11 -O3 -march=native -mtune=native
+APP=./shake128-example
+OBJS=sha3.o main.o
+
+.PHONY=all
+
+all: $(APP)
+
+$(APP): $(OBJS)
+ $(CC) -o $(APP) $(CFLAGS) $(OBJS)
+
+%.o: %.c
+ $(CC) -c $(CFLAGS) $<
+
+clean:
+ $(RM) -f $(APP) $(OBJS)
diff --git a/examples/01-shake128/hex.h b/examples/01-shake128/hex.h
new file mode 120000
index 0000000..2adfa3e
--- /dev/null
+++ b/examples/01-shake128/hex.h
@@ -0,0 +1 @@
+../../hex.h \ No newline at end of file
diff --git a/examples/01-shake128/main.c b/examples/01-shake128/main.c
new file mode 100644
index 0000000..f2a2347
--- /dev/null
+++ b/examples/01-shake128/main.c
@@ -0,0 +1,24 @@
+//
+// shake128-example: hash contents of DATA with SHAKE128 and print first
+// 200 bytes of SHAKE128 hash of data to standard output.
+//
+#include <stdint.h>
+#include <stdio.h>
+#include "hex.h"
+#include "sha3.h"
+
+// test data
+static const uint8_t DATA[] = "this is some test data";
+
+int main() {
+ // hash data
+ uint8_t buf[200] = { 0 };
+ shake128_xof_once(DATA, sizeof(DATA), buf, sizeof(buf));
+
+ // print result to stdout
+ printf("SHAKE128 (200 bytes): ");
+ hex_write(stdout, buf, sizeof(buf));
+ printf("\n");
+
+ return 0;
+}
diff --git a/examples/01-shake128/sha3.c b/examples/01-shake128/sha3.c
new file mode 120000
index 0000000..4748193
--- /dev/null
+++ b/examples/01-shake128/sha3.c
@@ -0,0 +1 @@
+../../sha3.c \ No newline at end of file
diff --git a/examples/01-shake128/sha3.h b/examples/01-shake128/sha3.h
new file mode 120000
index 0000000..b7c53d4
--- /dev/null
+++ b/examples/01-shake128/sha3.h
@@ -0,0 +1 @@
+../../sha3.h \ No newline at end of file
diff --git a/examples/02-kmac128/Makefile b/examples/02-kmac128/Makefile
new file mode 100644
index 0000000..ae267f9
--- /dev/null
+++ b/examples/02-kmac128/Makefile
@@ -0,0 +1,16 @@
+CFLAGS=-W -Wall -Wextra -Werror -pedantic -std=c11 -O3 -march=native -mtune=native
+APP=./kmac128-example
+OBJS=sha3.o main.o
+
+.PHONY=all
+
+all: $(APP)
+
+$(APP): $(OBJS)
+ $(CC) -o $(APP) $(CFLAGS) $(OBJS)
+
+%.o: %.c
+ $(CC) -c $(CFLAGS) $<
+
+clean:
+ $(RM) -f $(APP) $(OBJS)
diff --git a/examples/02-kmac128/hex.h b/examples/02-kmac128/hex.h
new file mode 120000
index 0000000..2adfa3e
--- /dev/null
+++ b/examples/02-kmac128/hex.h
@@ -0,0 +1 @@
+../../hex.h \ No newline at end of file
diff --git a/examples/02-kmac128/main.c b/examples/02-kmac128/main.c
new file mode 100644
index 0000000..d1965a9
--- /dev/null
+++ b/examples/02-kmac128/main.c
@@ -0,0 +1,53 @@
+//
+// kmac128-example: Hash contents of DATA with KMAC128 and key and print first
+// 32 bytes of result to standard output.
+//
+#include <stdint.h>
+#include <stdio.h>
+#include "hex.h"
+#include "sha3.h"
+
+// test data
+static const uint8_t DATA[] = "this is some test data";
+
+static const struct {
+ const char *name;
+ kmac_params_t params;
+} ROWS[] = {{
+ .name = "KMAC128 (key = \"\", custom = \"\")",
+}, {
+ .name = "KMAC128 (key = \"foo\", custom = \"\")",
+ .params = {
+ .key = (uint8_t*) "foo",
+ .key_len = 3,
+ },
+}, {
+ .name = "KMAC128 (key = \"bar\", custom = \"\")",
+ .params = {
+ .key = (uint8_t*) "bar",
+ .key_len = 3,
+ },
+}, {
+ .name = "KMAC128 (key = \"bar\", custom = \"blum\")",
+ .params = {
+ .key = (uint8_t*) "bar",
+ .key_len = 3,
+ .custom = (uint8_t*) "blum",
+ .custom_len = 4,
+ },
+}};
+
+int main() {
+ for (size_t i = 0; i < sizeof(ROWS)/sizeof(ROWS[0]); i++) {
+ // hash data
+ uint8_t buf[32] = { 0 };
+ kmac128_xof_once(ROWS[i].params, DATA, sizeof(DATA), buf, sizeof(buf));
+
+ // print to stdout
+ printf("%s:\n", ROWS[i].name);
+ hex_write(stdout, buf, sizeof(buf));
+ printf("\n");
+ }
+
+ return 0;
+}
diff --git a/examples/02-kmac128/sha3.c b/examples/02-kmac128/sha3.c
new file mode 120000
index 0000000..4748193
--- /dev/null
+++ b/examples/02-kmac128/sha3.c
@@ -0,0 +1 @@
+../../sha3.c \ No newline at end of file
diff --git a/examples/02-kmac128/sha3.h b/examples/02-kmac128/sha3.h
new file mode 120000
index 0000000..b7c53d4
--- /dev/null
+++ b/examples/02-kmac128/sha3.h
@@ -0,0 +1 @@
+../../sha3.h \ No newline at end of file
diff --git a/examples/03-tuplehash128/Makefile b/examples/03-tuplehash128/Makefile
new file mode 100644
index 0000000..cbbd3a9
--- /dev/null
+++ b/examples/03-tuplehash128/Makefile
@@ -0,0 +1,16 @@
+CFLAGS=-W -Wall -Wextra -Werror -pedantic -std=c11 -O3 -march=native -mtune=native
+APP=./tuplehash128-example
+OBJS=sha3.o main.o
+
+.PHONY=all
+
+all: $(APP)
+
+$(APP): $(OBJS)
+ $(CC) -o $(APP) $(CFLAGS) $(OBJS)
+
+%.o: %.c
+ $(CC) -c $(CFLAGS) $<
+
+clean:
+ $(RM) -f $(APP) $(OBJS)
diff --git a/examples/03-tuplehash128/hex.h b/examples/03-tuplehash128/hex.h
new file mode 120000
index 0000000..2adfa3e
--- /dev/null
+++ b/examples/03-tuplehash128/hex.h
@@ -0,0 +1 @@
+../../hex.h \ No newline at end of file
diff --git a/examples/03-tuplehash128/main.c b/examples/03-tuplehash128/main.c
new file mode 100644
index 0000000..c9e1952
--- /dev/null
+++ b/examples/03-tuplehash128/main.c
@@ -0,0 +1,75 @@
+//
+// tuplehash128-example: Hash tuples with TupleHash128 and key
+// and print first 20 bytes of result to standard output.
+//
+#include <stdint.h>
+#include <stdio.h>
+#include "hex.h"
+#include "sha3.h"
+
+static const struct {
+ const char *name;
+ tuplehash_str_t strs[10];
+ size_t num_strs;
+} ROWS[] = {{
+ .name = "TupleHash128: \"abc\"",
+ .strs = {{
+ .ptr = (uint8_t*) "abc",
+ .len = 3,
+ }},
+ .num_strs = 1,
+}, {
+ .name = "TupleHash128: \"ab\", \"c\"",
+ .strs = {{
+ .ptr = (uint8_t*) "ab",
+ .len = 2,
+ }, {
+ .ptr = (uint8_t*) "c",
+ .len = 1,
+ }},
+ .num_strs = 2,
+}, {
+ .name = "TupleHash128: \"a\", \"bc\"",
+ .strs = {{
+ .ptr = (uint8_t*) "a",
+ .len = 1,
+ }, {
+ .ptr = (uint8_t*) "bc",
+ .len = 2,
+ }},
+ .num_strs = 2,
+}, {
+ .name = "TupleHash128: \"a\", \"b\", \"c\"",
+ .strs = {{
+ .ptr = (uint8_t*) "a",
+ .len = 1,
+ }, {
+ .ptr = (uint8_t*) "b",
+ .len = 1,
+ }, {
+ .ptr = (uint8_t*) "c",
+ .len = 1,
+ }},
+ .num_strs = 3,
+}};
+
+int main() {
+ for (size_t i = 0; i < sizeof(ROWS)/sizeof(ROWS[0]); i++) {
+ // build params
+ tuplehash_params_t params = {
+ .strs = ROWS[i].strs,
+ .num_strs = ROWS[i].num_strs,
+ };
+
+ // hash data
+ uint8_t buf[32];
+ tuplehash128(params, buf, sizeof(buf));
+
+ // print to stdout
+ printf("%s:\n", ROWS[i].name);
+ hex_write(stdout, buf, sizeof(buf));
+ printf("\n");
+ }
+
+ return 0;
+}
diff --git a/examples/03-tuplehash128/sha3.c b/examples/03-tuplehash128/sha3.c
new file mode 120000
index 0000000..4748193
--- /dev/null
+++ b/examples/03-tuplehash128/sha3.c
@@ -0,0 +1 @@
+../../sha3.c \ No newline at end of file
diff --git a/examples/03-tuplehash128/sha3.h b/examples/03-tuplehash128/sha3.h
new file mode 120000
index 0000000..b7c53d4
--- /dev/null
+++ b/examples/03-tuplehash128/sha3.h
@@ -0,0 +1 @@
+../../sha3.h \ No newline at end of file
diff --git a/examples/04-turboshake128/Makefile b/examples/04-turboshake128/Makefile
new file mode 100644
index 0000000..020ca7c
--- /dev/null
+++ b/examples/04-turboshake128/Makefile
@@ -0,0 +1,16 @@
+CFLAGS=-W -Wall -Wextra -Werror -pedantic -std=c11 -O3 -march=native -mtune=native
+APP=./turbohash128-example
+OBJS=sha3.o main.o
+
+.PHONY=all
+
+all: $(APP)
+
+$(APP): $(OBJS)
+ $(CC) -o $(APP) $(CFLAGS) $(OBJS)
+
+%.o: %.c
+ $(CC) -c $(CFLAGS) $<
+
+clean:
+ $(RM) -f $(APP) $(OBJS)
diff --git a/examples/04-turboshake128/hex.h b/examples/04-turboshake128/hex.h
new file mode 120000
index 0000000..2adfa3e
--- /dev/null
+++ b/examples/04-turboshake128/hex.h
@@ -0,0 +1 @@
+../../hex.h \ No newline at end of file
diff --git a/examples/04-turboshake128/main.c b/examples/04-turboshake128/main.c
new file mode 100644
index 0000000..a20a323
--- /dev/null
+++ b/examples/04-turboshake128/main.c
@@ -0,0 +1,56 @@
+//
+// turboshake128-example: Absorb 4096 bytes of data from /dev/urandom in
+// 1024 byte chunks, hash it with TurboShake128, then print 128 bytes of
+// result in 32 byte chunks (hex-encoded) to standard output.
+// output.
+//
+#include <stdint.h>
+#include <stdio.h>
+#include <err.h>
+#include "hex.h"
+#include "sha3.h"
+
+int main() {
+ // init turboshake
+ turboshake_t ts;
+ turboshake128_init(&ts);
+
+ // open source
+ FILE *fh = fopen("/dev/urandom", "rb");
+ if (!fh) {
+ err(-1, "fopen()");
+ }
+
+ {
+ // read and absorb
+ uint8_t buf[1024] = { 0 };
+ for (size_t i = 0; i < 4096/sizeof(buf); i++) {
+ // read data
+ if (!fread(buf, sizeof(buf), 1, fh)) {
+ err(-1, "fread()");
+ }
+
+ // absorb
+ turboshake128_absorb(&ts, buf, sizeof(buf));
+ }
+ }
+
+ // close source
+ if (!fclose(fh)) {
+ warn("fclose()");
+ }
+
+
+ printf("TurboShake128 output:\n");
+ {
+ // squeeze in 32 byte chunks, write to stdout
+ uint8_t buf[32] = { 0 };
+ for (size_t ofs = 0; ofs < 128; ofs += sizeof(buf)) {
+ turboshake128_squeeze(&ts, buf, sizeof(buf));
+ hex_write(stdout, buf, sizeof(buf));
+ }
+ }
+ printf("\n");
+
+ return 0;
+}
diff --git a/examples/04-turboshake128/sha3.c b/examples/04-turboshake128/sha3.c
new file mode 120000
index 0000000..4748193
--- /dev/null
+++ b/examples/04-turboshake128/sha3.c
@@ -0,0 +1 @@
+../../sha3.c \ No newline at end of file
diff --git a/examples/04-turboshake128/sha3.h b/examples/04-turboshake128/sha3.h
new file mode 120000
index 0000000..b7c53d4
--- /dev/null
+++ b/examples/04-turboshake128/sha3.h
@@ -0,0 +1 @@
+../../sha3.h \ No newline at end of file
diff --git a/examples/README.md b/examples/README.md
new file mode 100644
index 0000000..4695d32
--- /dev/null
+++ b/examples/README.md
@@ -0,0 +1 @@
+Miscellaneous simple examples.