src/base/Makefile.am | 16 +-
src/base/hash.cc | 239 ++++++++++++++++++++++++++++++++++++++++++++
src/base/hash.h | 32 +++++
src/base/tests/hash_test.cc | 109 ++++++++++++++++++++
4 files changed, 390 insertions(+), 6 deletions(-)
Add a function that returns a 32 character string which is generated by
computing the SHA-512/192 hash of the message parameter, and encoding the result
using Base64 with a URL and filename safe alphabet. For more information about
these algorithms, refer to the corresponding standards. SHA-512/192 is defined
in FIPS 180-4. Base64 is defined in RFC 4648.
diff --git a/src/base/Makefile.am b/src/base/Makefile.am
--- a/src/base/Makefile.am
+++ b/src/base/Makefile.am
@@ -35,6 +35,7 @@ lib_libopensaf_core_la_SOURCES += \
src/base/daemon.c \
src/base/file_notify.cc \
src/base/getenv.cc \
+ src/base/hash.cc \
src/base/hj_dec.c \
src/base/hj_edp.c \
src/base/hj_edu.c \
@@ -79,6 +80,7 @@ noinst_HEADERS += \
src/base/daemon.h \
src/base/file_notify.h \
src/base/getenv.h \
+ src/base/hash.h \
src/base/log_message.h \
src/base/logtrace.h \
src/base/macros.h \
@@ -176,16 +178,18 @@ bin_libbase_test_CPPFLAGS = \
bin_libbase_test_LDFLAGS = \
$(AM_LDFLAGS) \
- src/base/lib_libopensaf_core_la-unix_socket.lo \
- src/base/lib_libopensaf_core_la-unix_server_socket.lo \
+ src/base/lib_libopensaf_core_la-file_notify.lo \
src/base/lib_libopensaf_core_la-getenv.lo \
+ src/base/lib_libopensaf_core_la-hash.lo \
src/base/lib_libopensaf_core_la-log_message.lo \
src/base/lib_libopensaf_core_la-process.lo \
- src/base/lib_libopensaf_core_la-file_notify.lo
+ src/base/lib_libopensaf_core_la-unix_server_socket.lo \
+ src/base/lib_libopensaf_core_la-unix_socket.lo
bin_libbase_test_SOURCES = \
- src/base/tests/unix_socket_test.cc \
+ src/base/tests/file_notify_test.cc \
src/base/tests/getenv_test.cc \
+ src/base/tests/hash_test.cc \
src/base/tests/log_message_test.cc \
src/base/tests/mock_logtrace.cc \
src/base/tests/mock_osaf_abort.cc \
@@ -193,8 +197,8 @@ bin_libbase_test_SOURCES = \
src/base/tests/time_add_test.cc \
src/base/tests/time_compare_test.cc \
src/base/tests/time_convert_test.cc \
- src/base/tests/file_notify_test.cc \
- src/base/tests/time_subtract_test.cc
+ src/base/tests/time_subtract_test.cc \
+ src/base/tests/unix_socket_test.cc
bin_libbase_test_LDADD = \
$(GTEST_DIR)/lib/libgtest.la \
diff --git a/src/base/hash.cc b/src/base/hash.cc
new file mode 100644
--- /dev/null
+++ b/src/base/hash.cc
@@ -0,0 +1,239 @@
+/* -*- OpenSAF -*-
+ *
+ * Copyright Ericsson AB 2017 - All Rights Reserved.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. This file and program are licensed
+ * under the GNU Lesser General Public License Version 2.1, February 1999.
+ * The complete license can be accessed from the following location:
+ * http://opensource.org/licenses/lgpl-license.php
+ * See the Copying file included with the OpenSAF distribution for full
+ * licensing terms.
+ *
+ */
+
+#include "base/hash.h"
+#include <endian.h>
+#include <cassert>
+#include <cstdint>
+
+namespace base {
+
+namespace {
+
+constexpr uint64_t K[] = {
+ UINT64_C(0x428a2f98d728ae22), UINT64_C(0x7137449123ef65cd),
+ UINT64_C(0xb5c0fbcfec4d3b2f), UINT64_C(0xe9b5dba58189dbbc),
+ UINT64_C(0x3956c25bf348b538), UINT64_C(0x59f111f1b605d019),
+ UINT64_C(0x923f82a4af194f9b), UINT64_C(0xab1c5ed5da6d8118),
+ UINT64_C(0xd807aa98a3030242), UINT64_C(0x12835b0145706fbe),
+ UINT64_C(0x243185be4ee4b28c), UINT64_C(0x550c7dc3d5ffb4e2),
+ UINT64_C(0x72be5d74f27b896f), UINT64_C(0x80deb1fe3b1696b1),
+ UINT64_C(0x9bdc06a725c71235), UINT64_C(0xc19bf174cf692694),
+ UINT64_C(0xe49b69c19ef14ad2), UINT64_C(0xefbe4786384f25e3),
+ UINT64_C(0x0fc19dc68b8cd5b5), UINT64_C(0x240ca1cc77ac9c65),
+ UINT64_C(0x2de92c6f592b0275), UINT64_C(0x4a7484aa6ea6e483),
+ UINT64_C(0x5cb0a9dcbd41fbd4), UINT64_C(0x76f988da831153b5),
+ UINT64_C(0x983e5152ee66dfab), UINT64_C(0xa831c66d2db43210),
+ UINT64_C(0xb00327c898fb213f), UINT64_C(0xbf597fc7beef0ee4),
+ UINT64_C(0xc6e00bf33da88fc2), UINT64_C(0xd5a79147930aa725),
+ UINT64_C(0x06ca6351e003826f), UINT64_C(0x142929670a0e6e70),
+ UINT64_C(0x27b70a8546d22ffc), UINT64_C(0x2e1b21385c26c926),
+ UINT64_C(0x4d2c6dfc5ac42aed), UINT64_C(0x53380d139d95b3df),
+ UINT64_C(0x650a73548baf63de), UINT64_C(0x766a0abb3c77b2a8),
+ UINT64_C(0x81c2c92e47edaee6), UINT64_C(0x92722c851482353b),
+ UINT64_C(0xa2bfe8a14cf10364), UINT64_C(0xa81a664bbc423001),
+ UINT64_C(0xc24b8b70d0f89791), UINT64_C(0xc76c51a30654be30),
+ UINT64_C(0xd192e819d6ef5218), UINT64_C(0xd69906245565a910),
+ UINT64_C(0xf40e35855771202a), UINT64_C(0x106aa07032bbd1b8),
+ UINT64_C(0x19a4c116b8d2d0c8), UINT64_C(0x1e376c085141ab53),
+ UINT64_C(0x2748774cdf8eeb99), UINT64_C(0x34b0bcb5e19b48a8),
+ UINT64_C(0x391c0cb3c5c95a63), UINT64_C(0x4ed8aa4ae3418acb),
+ UINT64_C(0x5b9cca4f7763e373), UINT64_C(0x682e6ff3d6b2b8a3),
+ UINT64_C(0x748f82ee5defb2fc), UINT64_C(0x78a5636f43172f60),
+ UINT64_C(0x84c87814a1f0ab72), UINT64_C(0x8cc702081a6439ec),
+ UINT64_C(0x90befffa23631e28), UINT64_C(0xa4506cebde82bde9),
+ UINT64_C(0xbef9a3f7b2c67915), UINT64_C(0xc67178f2e372532b),
+ UINT64_C(0xca273eceea26619c), UINT64_C(0xd186b8c721c0c207),
+ UINT64_C(0xeada7dd6cde0eb1e), UINT64_C(0xf57d4f7fee6ed178),
+ UINT64_C(0x06f067aa72176fba), UINT64_C(0x0a637dc5a2c898a6),
+ UINT64_C(0x113f9804bef90dae), UINT64_C(0x1b710b35131c471b),
+ UINT64_C(0x28db77f523047d84), UINT64_C(0x32caab7b40c72493),
+ UINT64_C(0x3c9ebe0a15c9bebc), UINT64_C(0x431d67c49c100d4c),
+ UINT64_C(0x4cc5d4becb3e42b6), UINT64_C(0x597f299cfc657e2a),
+ UINT64_C(0x5fcb6fab3ad6faec), UINT64_C(0x6c44198c4a475817)
+};
+
+constexpr inline uint64_t ROTR(int n, uint64_t x) {
+ return (x >> n) | (x << (64 - n));
+}
+
+constexpr inline uint64_t Ch(uint64_t x, uint64_t y, uint64_t z) {
+ return (x & y) ^ (~x & z);
+}
+
+constexpr inline uint64_t Maj(uint64_t x, uint64_t y, uint64_t z) {
+ return (x & y) ^ (x & z) ^ (y & z);
+}
+
+constexpr inline uint64_t SIGMA_0(uint64_t x) {
+ return ROTR(28, x) ^ ROTR(34, x) ^ ROTR(39, x);
+}
+
+constexpr inline uint64_t SIGMA_1(uint64_t x) {
+ return ROTR(14, x) ^ ROTR(18, x) ^ ROTR(41, x);
+}
+
+constexpr inline uint64_t sigma_0(uint64_t x) {
+ return ROTR(1, x) ^ ROTR(8, x) ^ (x >> 7);
+}
+
+constexpr inline uint64_t sigma_1(uint64_t x) {
+ return ROTR(19, x) ^ ROTR(61, x) ^ (x >> 6);
+}
+
+std::string CreatePadding(uint64_t message_size_in_bytes) {
+ assert(message_size_in_bytes < (uint64_t{1} << (64 - 3)));
+ uint64_t l = 8 * message_size_in_bytes;
+ uint64_t k =
+ ((((l + 1) % 1024) <= 896) ? 896 : (1024 + 896)) - ((l + 1) % 1024);
+ assert(((l + 1 + k + 128) % 1024) == 0);
+ std::string padding;
+ padding.reserve((1 + k + 128) / 8);
+ padding.push_back(static_cast<char>(0x80));
+ padding.resize((1 + k + 64) / 8, static_cast<char>(0));
+ for (int i = 56; i >= 0; i = i - 8) {
+ padding.push_back(static_cast<char>((l >> i) & 0xffu));
+ }
+ return padding;
+}
+
+inline uint64_t MessageByte(const std::string& msg, const std::string& padding,
+ uint64_t index) {
+ assert(index < (msg.size() + padding.size()));
+ return index < msg.size() ? static_cast<uint8_t>(msg[index]) :
+ static_cast<uint8_t>(padding[index - msg.size()]);
+}
+
+inline uint64_t M(const std::string& msg, const std::string& padding,
+ uint64_t t, uint64_t i) {
+ assert(t <= 15 && i != 0);
+ uint64_t index = (i - 1) * 128 + t * 8;
+ return ((index + 7) < msg.size()) ?
+ be64toh(*reinterpret_cast<const uint64_t*>(msg.data() + index)) :
+ ((MessageByte(msg, padding, index + 0) << 56) |
+ (MessageByte(msg, padding, index + 1) << 48) |
+ (MessageByte(msg, padding, index + 2) << 40) |
+ (MessageByte(msg, padding, index + 3) << 32) |
+ (MessageByte(msg, padding, index + 4) << 24) |
+ (MessageByte(msg, padding, index + 5) << 16) |
+ (MessageByte(msg, padding, index + 6) << 8) |
+ (MessageByte(msg, padding, index + 7) << 0));
+}
+
+class Base64 {
+ public:
+ static std::string Encode(uint64_t H0, uint64_t H1, uint64_t H2) {
+ Base64 encoder;
+ encoder.encoded_.reserve(32);
+ encoder.Append192Bits(H0, H1, H2);
+ return encoder.encoded_;
+ }
+
+ private:
+ static constexpr uint64_t kMask6Bits = (UINT64_C(1) << 6) - 1;
+ static constexpr uint64_t kMask8Bits = (UINT64_C(1) << 8) - 1;
+ static constexpr uint64_t kMask16Bits = (UINT64_C(1) << 16) - 1;
+ static constexpr uint64_t kMask24Bits = (UINT64_C(1) << 24) - 1;
+ static constexpr char kAlphabet[64] = {
+ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
+ 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
+ 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
+ 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', '-', '_'
+ };
+
+ void Append6Bits(uint64_t a) {
+ assert(a < (UINT64_C(1) << 6));
+ encoded_.push_back(kAlphabet[a]);
+ }
+
+ void Append24Bits(uint64_t a) {
+ assert(a < (UINT64_C(1) << 24));
+ Append6Bits(a >> 18);
+ Append6Bits((a >> 12) & kMask6Bits);
+ Append6Bits((a >> 6) & kMask6Bits);
+ Append6Bits(a & kMask6Bits);
+ }
+
+ void Append192Bits(uint64_t H0, uint64_t H1, uint64_t H2) {
+ Append24Bits(H0 >> 40);
+ Append24Bits((H0 >> 16) & kMask24Bits);
+ Append24Bits(((H0 & kMask16Bits) << 8) | (H1 >> 56));
+ Append24Bits((H1 >> 32) & kMask24Bits);
+ Append24Bits((H1 >> 8) & kMask24Bits);
+ Append24Bits(((H1 & kMask8Bits) << 16) | (H2 >> 48));
+ Append24Bits((H2 >> 24) & kMask24Bits);
+ Append24Bits(H2 & kMask24Bits);
+ }
+
+ std::string encoded_{};
+};
+
+constexpr char Base64::kAlphabet[64];
+
+} // namespace
+
+std::string Hash(const std::string& message) {
+ uint64_t H0 = UINT64_C(0x010176140648b233);
+ uint64_t H1 = UINT64_C(0xdb92aeb1eebadd6f);
+ uint64_t H2 = UINT64_C(0x83a9e27aa1d5ea62);
+ uint64_t H3 = UINT64_C(0xec95f77eb609b4e1);
+ uint64_t H4 = UINT64_C(0x71a99185c75caefa);
+ uint64_t H5 = UINT64_C(0x006e8f08baf32e3c);
+ uint64_t H6 = UINT64_C(0x6a2b21abd2db2aec);
+ uint64_t H7 = UINT64_C(0x24926cdbd918a27f);
+
+ std::string padding = CreatePadding(message.size());
+ uint64_t N = (message.size() + padding.size()) / 128;
+ for (uint64_t i = 1; i <= N; ++i) {
+ uint64_t W[80];
+ uint64_t a = H0;
+ uint64_t b = H1;
+ uint64_t c = H2;
+ uint64_t d = H3;
+ uint64_t e = H4;
+ uint64_t f = H5;
+ uint64_t g = H6;
+ uint64_t h = H7;
+ for (uint64_t t = 0; t <= 79; ++t) {
+ if (t <= 15) {
+ W[t] = M(message, padding, t, i);
+ } else {
+ W[t] = sigma_1(W[t - 2]) + W[t - 7] + sigma_0(W[t - 15]) + W[t - 16];
+ }
+ uint64_t T1 = h + SIGMA_1(e) + Ch(e, f, g) + K[t] + W[t];
+ uint64_t T2 = SIGMA_0(a) + Maj(a, b, c);
+ h = g;
+ g = f;
+ f = e;
+ e = d + T1;
+ d = c;
+ c = b;
+ b = a;
+ a = T1 + T2;
+ }
+ H0 += a;
+ H1 += b;
+ H2 += c;
+ H3 += d;
+ H4 += e;
+ H5 += f;
+ H6 += g;
+ H7 += h;
+ }
+ return Base64::Encode(H0, H1, H2);
+}
+
+} // namespace base
diff --git a/src/base/hash.h b/src/base/hash.h
new file mode 100644
--- /dev/null
+++ b/src/base/hash.h
@@ -0,0 +1,32 @@
+/* -*- OpenSAF -*-
+ *
+ * Copyright Ericsson AB 2017 - All Rights Reserved.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. This file and program are licensed
+ * under the GNU Lesser General Public License Version 2.1, February 1999.
+ * The complete license can be accessed from the following location:
+ * http://opensource.org/licenses/lgpl-license.php
+ * See the Copying file included with the OpenSAF distribution for full
+ * licensing terms.
+ *
+ */
+
+#ifndef BASE_HASH_H_
+#define BASE_HASH_H_
+
+#include <string>
+
+namespace base {
+
+// Returns a 32 character string which is generated by computing the
SHA-512/192
+// hash of the message parameter, and encoding the result using Base64 with a
+// URL and filename safe alphabet. For more information about these algorithms,
+// refer to the corresponding standards. SHA-512/192 is defined in FIPS
+// 180-4. Base64 is defined in RFC 4648.
+std::string Hash(const std::string& message);
+
+} // namespace base
+
+#endif // BASE_HASH_H_
diff --git a/src/base/tests/hash_test.cc b/src/base/tests/hash_test.cc
new file mode 100644
--- /dev/null
+++ b/src/base/tests/hash_test.cc
@@ -0,0 +1,109 @@
+/* -*- OpenSAF -*-
+ *
+ * Copyright Ericsson AB 2017 - All Rights Reserved.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. This file and program are licensed
+ * under the GNU Lesser General Public License Version 2.1, February 1999.
+ * The complete license can be accessed from the following location:
+ * http://opensource.org/licenses/lgpl-license.php
+ * See the Copying file included with the OpenSAF distribution for full
+ * licensing terms.
+ *
+ */
+
+#include <endian.h>
+#include <cstddef>
+#include <random>
+#include <string>
+#include "base/hash.h"
+#include "gtest/gtest.h"
+
+struct TestVector {
+ const char* key_data;
+ size_t key_size;
+ const char* hash_value;
+};
+
+#define TEST_VECTOR(key, hash) { key, sizeof(key) - 1, hash }
+
+static const TestVector test_vectors[] = {
+ TEST_VECTOR("", "mJbyfHPNxOzI7KPhb27rY6_gS2wNOSds"),
+ TEST_VECTOR("\000", "U-4lHisMY1zsvi2ry5wqlYKUMhhb_MX8"),
+ TEST_VECTOR("\001", "7R0FXuGlh60oucbCoEIyp97oPDI34hNn"),
+ TEST_VECTOR("\376", "X-7TtfTMWhw7T9CK1-yk8bRAlF_544MB"),
+ TEST_VECTOR("\377", "OMGVy2Bhf3bPvd_yYKNVn8AK-EhkSJN4"),
+ TEST_VECTOR(" ", "LOR-HJ8c_bFoH7LVc45B67zrxvqNp2ih"),
+ TEST_VECTOR("\t", "jwSZSrsTHsB4kB2nUvpebPSpvDdt8d7V"),
+ TEST_VECTOR("\n", "WlgTrOkNrltdky0QZv1B3jMG0D73h3YC"),
+ TEST_VECTOR("\r\n", "pAv_qrHWSbOLxiJmXB2ETosp_FiE-G4H"),
+ TEST_VECTOR("\\/:", "wyC3ktDwB4tvyzXBO5zx_iH76GKFmjxB"),
+ TEST_VECTOR("$abc", "xSHQCvFJpVfx4ofdholD-mzgxyJJHjYg"),
+ TEST_VECTOR("\000\000\000\000\000", "mzklNJ6l6vWVe73PvthH61RRsl90ygC_"),
+ TEST_VECTOR("123456", "E_7JXvueRDhde3Wq3W5jYSsts_LOWJNZ"),
+ TEST_VECTOR("1234567", "0cAgD2NO2ASyz39axMrnBdV_VuHn2PhC"),
+ TEST_VECTOR("12345678", "Uzmag7xvTQg40VBwOumXaugZxFZyRpB8"),
+ TEST_VECTOR("123456789", "3YfQdE3kVpdmBEaBHM4uCj1feXvixjYA"),
+
TEST_VECTOR("\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217"
+
"\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237"
+
"\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257"
+
"\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277"
+
"\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317"
+
"\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337"
+ "\340\341\342\343\344\345\346\347\350\351\352\353\354\355",
+ "z2V3p2mUUigcBkYWSEw0yhz2f1v4M8Nb"),
+
TEST_VECTOR("\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217"
+
"\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237"
+
"\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257"
+
"\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277"
+
"\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317"
+
"\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337"
+ "\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356",
+ "WprfN6xOSNY9RHaNCkR12yEEx5hGfwHj"),
+
TEST_VECTOR("\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217"
+
"\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237"
+
"\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257"
+
"\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277"
+
"\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317"
+
"\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337"
+ "\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356"
+ "\357",
+ "K3wQd-ZX5k7_AZ7p1qOwrehV5vkaJq9E"),
+
TEST_VECTOR("\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217"
+
"\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237"
+
"\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257"
+
"\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277"
+
"\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317"
+
"\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337"
+
"\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357"
+ "\360",
+ "O-ERJdo-W-iCV4b2QogLJmtR1gMIhlkx")
+};
+
+TEST(BaseHash, TestVectors) {
+ for (size_t i = 0; i < sizeof(test_vectors) / sizeof(test_vectors[0]); ++i) {
+ std::string key = std::string(test_vectors[i].key_data,
+ test_vectors[i].key_size);
+ std::string hash = std::string(test_vectors[i].hash_value);
+ std::string computed_hash = base::Hash(key);
+ EXPECT_EQ(hash, computed_hash);
+ }
+}
+
+TEST(BaseHash, LongRandomString) {
+ std::string key;
+ key.reserve(8000);
+ std::mt19937_64 generator(4711);
+ for (size_t i = 0; i != 1000; ++i) {
+ union {
+ char bytes[sizeof(uint64_t)];
+ uint64_t word;
+ };
+ word = htobe64(generator());
+ key.append(bytes, sizeof(uint64_t));
+ }
+ std::string hash = std::string("C_r2XVQjnVbnpQTMHO2OQJ2sn0YZi1py");
+ std::string computed_hash = base::Hash(key);
+ EXPECT_EQ(hash, computed_hash);
+}
------------------------------------------------------------------------------
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