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-rw-r--r--examples/01-shake128/main.c12
-rw-r--r--examples/05-python/sha3.py28
-rw-r--r--examples/06-all/all-fns.c84
3 files changed, 44 insertions, 80 deletions
diff --git a/examples/01-shake128/main.c b/examples/01-shake128/main.c
index f2a2347..54b8e3b 100644
--- a/examples/01-shake128/main.c
+++ b/examples/01-shake128/main.c
@@ -2,18 +2,18 @@
// 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"
+#include <stdint.h> // uint8_t
+#include <stdio.h> // printf()
+#include "hex.h" // hex_write()
+#include "sha3.h" // shake128()
// test data
static const uint8_t DATA[] = "this is some test data";
-int main() {
+int main(void) {
// hash data
uint8_t buf[200] = { 0 };
- shake128_xof_once(DATA, sizeof(DATA), buf, sizeof(buf));
+ shake128(DATA, sizeof(DATA), buf, sizeof(buf));
// print result to stdout
printf("SHAKE128 (200 bytes): ");
diff --git a/examples/05-python/sha3.py b/examples/05-python/sha3.py
index bd0e11b..1e66c59 100644
--- a/examples/05-python/sha3.py
+++ b/examples/05-python/sha3.py
@@ -17,10 +17,10 @@ sha3 = ctypes.CDLL('../../libsha3.so')
# set function argument and return types
# (note: this is not required, but it helps to prevent argument and type
# oopsies)
-sha3.shake128_xof_once.argtypes = XOF_ARGS
-sha3.shake128_xof_once.rettype = None
-sha3.shake256_xof_once.argtypes = XOF_ARGS
-sha3.shake256_xof_once.rettype = None
+sha3.shake128.argtypes = XOF_ARGS
+sha3.shake128.rettype = None
+sha3.shake256.argtypes = XOF_ARGS
+sha3.shake256.rettype = None
sha3.sha3_224.argtypes = HASH_ARGS
sha3.sha3_224.rettype = None
sha3.sha3_256.argtypes = HASH_ARGS
@@ -66,9 +66,9 @@ class Results:
for r in self.rs:
cw.writerow(r.to_row())
-def test_shake128_xof(rs: Results, data: bytes) -> None:
- """append SHAKE128-XOF digest of data from hashlib and libsha3 to results"""
- algo = 'shake128-xof' # algorithm name
+def test_shake128(rs: Results, data: bytes) -> None:
+ """append SHAKE128 digest of data from hashlib and libsha3 to results"""
+ algo = 'shake128' # algorithm name
size = 32 # output size, in bytes
# append hashlib digest
@@ -76,12 +76,12 @@ def test_shake128_xof(rs: Results, data: bytes) -> None:
# append libsha3 digest
buf = ctypes.create_string_buffer(size)
- sha3.shake128_xof_once(data, len(data), buf, size)
+ sha3.shake128(data, len(data), buf, size)
rs.append(algo, 'libsha3', buf.raw)
-def test_shake256_xof(rs: Results, data: bytes) -> None:
- """append SHAKE256-XOF digest of data from hashlib and libsha3 to results"""
- algo = 'shake256-xof' # algorithm name
+def test_shake256(rs: Results, data: bytes) -> None:
+ """append SHAKE256 digest of data from hashlib and libsha3 to results"""
+ algo = 'shake256' # algorithm name
size = 32 # output size, in bytes
# append hashlib digest
@@ -89,7 +89,7 @@ def test_shake256_xof(rs: Results, data: bytes) -> None:
# append libsha3 digest
buf = ctypes.create_string_buffer(size)
- sha3.shake256_xof_once(data, len(data), buf, size)
+ sha3.shake256(data, len(data), buf, size)
rs.append(algo, 'libsha3', buf.raw)
def test_sha3_224(rs: Results, data: bytes) -> None:
@@ -145,8 +145,8 @@ DATA = b'foo bar'
rs = Results()
# run tests, add to results
-test_shake128_xof(rs, DATA)
-test_shake256_xof(rs, DATA)
+test_shake128(rs, DATA)
+test_shake256(rs, DATA)
test_sha3_224(rs, DATA)
test_sha3_256(rs, DATA)
test_sha3_384(rs, DATA)
diff --git a/examples/06-all/all-fns.c b/examples/06-all/all-fns.c
index f494189..1aea4d6 100644
--- a/examples/06-all/all-fns.c
+++ b/examples/06-all/all-fns.c
@@ -186,27 +186,10 @@ static void shake128_example(void) {
uint8_t buf[1024] = { 0 };
rand_bytes(buf, sizeof(buf));
- // absorb into shake128, write 16 byte result to `out`
- uint8_t hash[16] = { 0 };
- shake128(buf, sizeof(buf), hash);
- ///! [shake128]
-
- // print to stdout
- printf("%s: ", __func__);
- hex_write(stdout, hash, sizeof(hash));
- fputs("\n", stdout);
-}
-
-static void shake128_xof_once_example(void) {
- ///! [shake128_xof_once]
- // get 1024 random bytes
- uint8_t buf[1024] = { 0 };
- rand_bytes(buf, sizeof(buf));
-
- // absorb into shake128 xof context with 15 byte output, write result to `out`
+ // absorb into shake128 context with 15 byte output, write result to `out`
uint8_t out[15] = { 0 };
- shake128_xof_once(buf, sizeof(buf), out, sizeof(out));
- ///! [shake128_xof_once]
+ shake128(buf, sizeof(buf), out, sizeof(out));
+ ///! [shake128]
// print to stdout
printf("%s: ", __func__);
@@ -214,19 +197,19 @@ static void shake128_xof_once_example(void) {
fputs("\n", stdout);
}
-static void shake128_xof_example(void) {
- ///! [shake128_xof]
+static void shake128_ctx_example(void) {
+ ///! [shake128_ctx]
// get 1024 random bytes
uint8_t buf[1024] = { 0 };
rand_bytes(buf, sizeof(buf));
- // create shake128 xof context with arbitrary length output
+ // create shake128 context
sha3_xof_t ctx = { 0 };
- shake128_xof_init(&ctx);
+ shake128_init(&ctx);
// absorb `buf` contents in 32 byte chunks
for (size_t i = 0; i < sizeof(buf); i += 32) {
- shake128_xof_absorb(&ctx, buf + i, 32);
+ shake128_absorb(&ctx, buf + i, 32);
}
// print result prefix to stdout
@@ -236,7 +219,7 @@ static void shake128_xof_example(void) {
for (size_t i = 0; i < 128; i += 32) {
// squeeze 32 bytes of result into `out`
uint8_t out[32] = { 0 };
- shake128_xof_squeeze(&ctx, out, sizeof(out));
+ shake128_squeeze(&ctx, out, sizeof(out));
// encode as hex, print to stdout
hex_write(stdout, out, sizeof(out));
@@ -244,7 +227,7 @@ static void shake128_xof_example(void) {
// print result suffix to stdout
fputs("\n", stdout);
- ///! [shake128_xof]
+ ///! [shake128_ctx]
}
static void shake256_example(void) {
@@ -253,27 +236,10 @@ static void shake256_example(void) {
uint8_t buf[1024] = { 0 };
rand_bytes(buf, sizeof(buf));
- // absorb into shake256, write 32 byte result to `out`
- uint8_t hash[32] = { 0 };
- shake256(buf, sizeof(buf), hash);
- ///! [shake256]
-
- // print to stdout
- printf("%s: ", __func__);
- hex_write(stdout, hash, sizeof(hash));
- fputs("\n", stdout);
-}
-
-static void shake256_xof_once_example(void) {
- ///! [shake256_xof_once]
- // get 1024 random bytes
- uint8_t buf[1024] = { 0 };
- rand_bytes(buf, sizeof(buf));
-
- // absorb `buf` into shake256 xof with 15 byte output, write result to `out`
+ // absorb `buf` into shake256 context with 15 byte output, write result to `out`
uint8_t out[15] = { 0 };
- shake256_xof_once(buf, sizeof(buf), out, sizeof(out));
- ///! [shake256_xof_once]
+ shake256(buf, sizeof(buf), out, sizeof(out));
+ ///! [shake256]
// print to stdout
printf("%s: ", __func__);
@@ -281,19 +247,19 @@ static void shake256_xof_once_example(void) {
fputs("\n", stdout);
}
-static void shake256_xof_example(void) {
- ///! [shake256_xof]
+static void shake256_ctx_example(void) {
+ ///! [shake256_ctx]
// get 1024 random bytes
uint8_t buf[1024] = { 0 };
rand_bytes(buf, sizeof(buf));
- // create shake256 xof context with arbitrary length output
+ // create shake256 context
sha3_xof_t ctx = { 0 };
- shake256_xof_init(&ctx);
+ shake256_init(&ctx);
// absorb `buf` contents in 32 byte chunks
for (size_t i = 0; i < sizeof(buf); i += 32) {
- shake256_xof_absorb(&ctx, buf + i, 32);
+ shake256_absorb(&ctx, buf + i, 32);
}
// print result prefix to stdout
@@ -303,7 +269,7 @@ static void shake256_xof_example(void) {
for (size_t i = 0; i < 128; i += 32) {
// squeeze 32 bytes of result into `out`
uint8_t out[32] = { 0 };
- shake256_xof_squeeze(&ctx, out, sizeof(out));
+ shake256_squeeze(&ctx, out, sizeof(out));
// encode as hex, print to stdout
hex_write(stdout, out, sizeof(out));
@@ -311,7 +277,7 @@ static void shake256_xof_example(void) {
// print result suffix to stdout
fputs("\n", stdout);
- ///! [shake256_xof]
+ ///! [shake256_ctx]
}
static void hmac_sha3_224_example(void) {
@@ -557,7 +523,7 @@ static void cshake128_xof_example(void) {
.custom_len = sizeof(custom) - 1, // length, in bytes (w/o trailing NUL)
};
- // create cSHAKE128 XOF context from parameters
+ // create cSHAKE128 context from parameters
sha3_xof_t ctx = { 0 };
cshake128_xof_init(&ctx, params);
@@ -623,7 +589,7 @@ static void cshake256_xof_example(void) {
.custom_len = sizeof(custom) - 1, // length, in bytes (w/o trailing NUL)
};
- // create cSHAKE256 XOF context from parameters
+ // create cSHAKE256 context from parameters
sha3_xof_t ctx = { 0 };
cshake256_xof_init(&ctx, params);
@@ -1533,11 +1499,9 @@ int main(void) {
sha3_512_example();
sha3_512_absorb_example();
shake128_example();
- shake128_xof_once_example();
- shake128_xof_example();
+ shake128_ctx_example();
shake256_example();
- shake256_xof_once_example();
- shake256_xof_example();
+ shake256_ctx_example();
hmac_sha3_224_example();
hmac_sha3_224_absorb_example();
hmac_sha3_256_example();
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 07:27:45 +0000