diff options
Diffstat (limited to 'examples/04-turboshake128')
-rw-r--r-- | examples/04-turboshake128/Makefile | 16 | ||||
l--------- | examples/04-turboshake128/hex.h | 1 | ||||
-rw-r--r-- | examples/04-turboshake128/main.c | 56 | ||||
l--------- | examples/04-turboshake128/sha3.c | 1 | ||||
l--------- | examples/04-turboshake128/sha3.h | 1 |
5 files changed, 75 insertions, 0 deletions
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 |