--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#if HAVE_VALGRIND_VALGRIND_H
+# include <valgrind/valgrind.h>
+#endif
+
+#include "fsprg.h"
+#include "gcrypt-util.h"
+#include "iovec-util.h"
+#include "journal-def.h"
+#include "stdio-util.h"
+#include "tests.h"
+
+#define STATE_LENGTH (2 + 2 * FSPRG_RECOMMENDED_SECPAR / 8 + 8)
+#define KEY_LENGTH 32
+
+static const uint8_t expected_state[4][STATE_LENGTH] = {
+ {
+ 0x00, 0x5f, 0xcd, 0x65, 0x12, 0x14, 0xa6, 0x15,
+ 0xe4, 0xd3, 0xc9, 0xe7, 0x5c, 0x70, 0x2c, 0x37,
+ 0xca, 0xa7, 0x21, 0xf4, 0x40, 0xf3, 0x6a, 0x88,
+ 0xe3, 0xce, 0x85, 0x9b, 0xe4, 0x8f, 0x90, 0x8c,
+ 0x4a, 0xad, 0xf4, 0xcf, 0x99, 0xcf, 0xdc, 0x3b,
+ 0x29, 0xad, 0x59, 0x72, 0x05, 0xa3, 0xca, 0x3e,
+ 0xf9, 0x72, 0x9f, 0x7c, 0xb6, 0xa4, 0xd6, 0x86,
+ 0xb4, 0x64, 0x5a, 0xc4, 0xe0, 0x95, 0x98, 0xb7,
+ 0xdf, 0xc5, 0x79, 0x8a, 0x48, 0xff, 0xd6, 0x71,
+ 0xab, 0x0f, 0x17, 0x54, 0xdd, 0x3d, 0xd0, 0x23,
+ 0x18, 0xc9, 0x4c, 0xf4, 0x40, 0xcf, 0x34, 0xc9,
+ 0x33, 0x04, 0x35, 0x4b, 0x2c, 0xd9, 0xbd, 0xcf,
+ 0x59, 0x62, 0x18, 0x2d, 0x9e, 0x5a, 0x11, 0x71,
+ 0x4c, 0x1f, 0x78, 0x0e, 0x65, 0x75, 0xe6, 0x15,
+ 0x2f, 0x61, 0x32, 0x3c, 0xac, 0xaa, 0xa8, 0x6a,
+ 0x1d, 0x11, 0xb4, 0x91, 0x38, 0xd3, 0x34, 0x31,
+ 0xd7, 0xfa, 0xff, 0xef, 0xbf, 0xb9, 0x90, 0x4f,
+ 0x0d, 0x29, 0x16, 0xb6, 0x64, 0x48, 0x5b, 0x7b,
+ 0x00, 0x42, 0x7a, 0xab, 0x2b, 0xe7, 0xee, 0x9b,
+ 0x5d, 0x0c, 0xe9, 0x14, 0x74, 0x72, 0x29, 0xd9,
+ 0x10, 0xa5, 0xd5, 0x95, 0xbb, 0x9f, 0x85, 0xc0,
+ 0xa2, 0xfa, 0xbb, 0x84, 0xf5, 0x59, 0x11, 0xdb,
+ 0xf4, 0xce, 0x08, 0xe4, 0x36, 0x1c, 0xeb, 0xc9,
+ 0xa6, 0xcd, 0xdb, 0xf2, 0x10, 0xab, 0x51, 0xb2,
+ 0x8c, 0x9d, 0xc9, 0xf8, 0x35, 0xe1, 0xec, 0x25,
+ 0xd5, 0xca, 0x98, 0x7a, 0x4f, 0xbd, 0x45, 0x50,
+ 0xbf, 0xff, 0x1c, 0xd8, 0x42, 0x95, 0xcb, 0xc5,
+ 0xa7, 0x0f, 0x75, 0xda, 0x6d, 0x5b, 0xa2, 0xeb,
+ 0x5b, 0x26, 0x9e, 0xe8, 0xa3, 0x23, 0x04, 0x4b,
+ 0x5b, 0x26, 0xb7, 0xe4, 0x7f, 0xcd, 0x82, 0x66,
+ 0x23, 0x7d, 0xf8, 0x57, 0x2c, 0x22, 0x0b, 0x7e,
+ 0x87, 0x3f, 0xe1, 0xc1, 0x1a, 0xea, 0xc3, 0x42,
+ 0x40, 0x03, 0xaf, 0x11, 0xd5, 0x07, 0xa1, 0x79,
+ 0x55, 0x34, 0x4a, 0x41, 0x6a, 0x75, 0x68, 0x13,
+ 0x37, 0xfd, 0x38, 0x97, 0x52, 0x4f, 0xbb, 0x68,
+ 0xb4, 0x9f, 0xa8, 0xda, 0x9c, 0x4c, 0x8e, 0x65,
+ 0x3e, 0x42, 0x19, 0x40, 0x5f, 0x47, 0xe8, 0x50,
+ 0x0c, 0xb3, 0xc5, 0x6e, 0x0e, 0xe6, 0x6b, 0xe7,
+ 0xb9, 0x1f, 0xe0, 0x66, 0x2a, 0x38, 0x8e, 0x38,
+ 0xa8, 0x7f, 0xfd, 0x2c, 0x92, 0xf8, 0xf2, 0x91,
+ 0x36, 0x90, 0xfd, 0x14, 0x1d, 0x07, 0xae, 0x71,
+ 0x7f, 0x3c, 0xaa, 0xd6, 0xc4, 0x10, 0x20, 0xe5,
+ 0xd0, 0xc2, 0xa2, 0xe7, 0x5e, 0x36, 0x91, 0xf7,
+ 0xff, 0x27, 0x4e, 0x81, 0xc0, 0x85, 0xab, 0x0a,
+ 0x46, 0x88, 0xe7, 0x32, 0xce, 0x83, 0x4a, 0x09,
+ 0x72, 0xb3, 0xae, 0xdd, 0x65, 0xf8, 0x13, 0xd0,
+ 0x9f, 0x4f, 0x45, 0x83, 0xfa, 0x41, 0x1f, 0x8d,
+ 0xfe, 0x96, 0xbd, 0xe0, 0x32, 0x5c, 0xb9, 0x87,
+ 0xd8, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00,
+ },
+ {
+ 0x00, 0x5f, 0xcd, 0x65, 0x12, 0x14, 0xa6, 0x15,
+ 0xe4, 0xd3, 0xc9, 0xe7, 0x5c, 0x70, 0x2c, 0x37,
+ 0xca, 0xa7, 0x21, 0xf4, 0x40, 0xf3, 0x6a, 0x88,
+ 0xe3, 0xce, 0x85, 0x9b, 0xe4, 0x8f, 0x90, 0x8c,
+ 0x4a, 0xad, 0xf4, 0xcf, 0x99, 0xcf, 0xdc, 0x3b,
+ 0x29, 0xad, 0x59, 0x72, 0x05, 0xa3, 0xca, 0x3e,
+ 0xf9, 0x72, 0x9f, 0x7c, 0xb6, 0xa4, 0xd6, 0x86,
+ 0xb4, 0x64, 0x5a, 0xc4, 0xe0, 0x95, 0x98, 0xb7,
+ 0xdf, 0xc5, 0x79, 0x8a, 0x48, 0xff, 0xd6, 0x71,
+ 0xab, 0x0f, 0x17, 0x54, 0xdd, 0x3d, 0xd0, 0x23,
+ 0x18, 0xc9, 0x4c, 0xf4, 0x40, 0xcf, 0x34, 0xc9,
+ 0x33, 0x04, 0x35, 0x4b, 0x2c, 0xd9, 0xbd, 0xcf,
+ 0x59, 0x62, 0x18, 0x2d, 0x9e, 0x5a, 0x11, 0x71,
+ 0x4c, 0x1f, 0x78, 0x0e, 0x65, 0x75, 0xe6, 0x15,
+ 0x2f, 0x61, 0x32, 0x3c, 0xac, 0xaa, 0xa8, 0x6a,
+ 0x1d, 0x11, 0xb4, 0x91, 0x38, 0xd3, 0x34, 0x31,
+ 0xd7, 0xfa, 0xff, 0xef, 0xbf, 0xb9, 0x90, 0x4f,
+ 0x0d, 0x29, 0x16, 0xb6, 0x64, 0x48, 0x5b, 0x7b,
+ 0x00, 0x42, 0x7a, 0xab, 0x2b, 0xe7, 0xee, 0x9b,
+ 0x5d, 0x0c, 0xe9, 0x14, 0x74, 0x72, 0x29, 0xd9,
+ 0x10, 0xa5, 0xd5, 0x95, 0xbb, 0x9f, 0x85, 0xc0,
+ 0xa2, 0xfa, 0xbb, 0x84, 0xf5, 0x59, 0x11, 0xdb,
+ 0xf4, 0xce, 0x08, 0xe4, 0x36, 0x1c, 0xeb, 0xc9,
+ 0xa6, 0xcd, 0xdb, 0xf2, 0x10, 0xab, 0x51, 0xb2,
+ 0x8c, 0x9d, 0x4a, 0x62, 0x5d, 0xd1, 0x34, 0x5b,
+ 0x56, 0x44, 0x04, 0x10, 0x9e, 0x43, 0x7f, 0x62,
+ 0x18, 0x1f, 0x5d, 0x68, 0x8f, 0xa8, 0x26, 0xab,
+ 0xd4, 0xf9, 0xa6, 0xef, 0xfa, 0x3f, 0x41, 0x09,
+ 0xae, 0x44, 0x8f, 0x9e, 0xd3, 0x4c, 0xc5, 0x7b,
+ 0x35, 0x50, 0x7f, 0xc0, 0xba, 0xd9, 0x42, 0xe9,
+ 0x89, 0x9b, 0x4f, 0x30, 0x40, 0x02, 0x96, 0xed,
+ 0x7c, 0x67, 0x7e, 0xab, 0x26, 0x3b, 0xc9, 0x65,
+ 0xf6, 0x16, 0x9b, 0x7e, 0x28, 0xf2, 0xed, 0xb9,
+ 0xfd, 0x9d, 0xe4, 0x68, 0x67, 0x65, 0xf2, 0x5d,
+ 0x54, 0x43, 0xd5, 0x2d, 0xfd, 0xf4, 0x2d, 0xfd,
+ 0x49, 0x00, 0xca, 0x35, 0xc9, 0x87, 0x7c, 0xd4,
+ 0xfe, 0xfb, 0x9d, 0x8d, 0xda, 0x1c, 0x54, 0xc2,
+ 0x26, 0xed, 0xe5, 0xaa, 0xde, 0xa9, 0x41, 0x88,
+ 0x88, 0xec, 0x17, 0xab, 0x12, 0x00, 0xc4, 0x71,
+ 0x8f, 0xe4, 0x5a, 0xf9, 0x55, 0xe6, 0xd9, 0x56,
+ 0x45, 0x86, 0x6a, 0x1c, 0xd1, 0x09, 0xb1, 0xfc,
+ 0x0d, 0xd0, 0x15, 0x2c, 0xa1, 0xb6, 0xe9, 0x95,
+ 0x01, 0xe1, 0x71, 0xb3, 0xb7, 0xbf, 0x57, 0xd5,
+ 0x15, 0xec, 0xe7, 0xde, 0x85, 0x90, 0xb2, 0x47,
+ 0x51, 0x0f, 0x0f, 0x9b, 0xcf, 0x21, 0x0c, 0x77,
+ 0x21, 0xe7, 0xbb, 0x44, 0xbb, 0x70, 0xbf, 0xfb,
+ 0x29, 0x58, 0x50, 0xdc, 0x01, 0xfb, 0x2b, 0xdf,
+ 0x8d, 0x74, 0xc5, 0x89, 0xe1, 0x29, 0xcd, 0x97,
+ 0xe5, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x01,
+ },
+ {
+ 0x00, 0x5f, 0xcd, 0x65, 0x12, 0x14, 0xa6, 0x15,
+ 0xe4, 0xd3, 0xc9, 0xe7, 0x5c, 0x70, 0x2c, 0x37,
+ 0xca, 0xa7, 0x21, 0xf4, 0x40, 0xf3, 0x6a, 0x88,
+ 0xe3, 0xce, 0x85, 0x9b, 0xe4, 0x8f, 0x90, 0x8c,
+ 0x4a, 0xad, 0xf4, 0xcf, 0x99, 0xcf, 0xdc, 0x3b,
+ 0x29, 0xad, 0x59, 0x72, 0x05, 0xa3, 0xca, 0x3e,
+ 0xf9, 0x72, 0x9f, 0x7c, 0xb6, 0xa4, 0xd6, 0x86,
+ 0xb4, 0x64, 0x5a, 0xc4, 0xe0, 0x95, 0x98, 0xb7,
+ 0xdf, 0xc5, 0x79, 0x8a, 0x48, 0xff, 0xd6, 0x71,
+ 0xab, 0x0f, 0x17, 0x54, 0xdd, 0x3d, 0xd0, 0x23,
+ 0x18, 0xc9, 0x4c, 0xf4, 0x40, 0xcf, 0x34, 0xc9,
+ 0x33, 0x04, 0x35, 0x4b, 0x2c, 0xd9, 0xbd, 0xcf,
+ 0x59, 0x62, 0x18, 0x2d, 0x9e, 0x5a, 0x11, 0x71,
+ 0x4c, 0x1f, 0x78, 0x0e, 0x65, 0x75, 0xe6, 0x15,
+ 0x2f, 0x61, 0x32, 0x3c, 0xac, 0xaa, 0xa8, 0x6a,
+ 0x1d, 0x11, 0xb4, 0x91, 0x38, 0xd3, 0x34, 0x31,
+ 0xd7, 0xfa, 0xff, 0xef, 0xbf, 0xb9, 0x90, 0x4f,
+ 0x0d, 0x29, 0x16, 0xb6, 0x64, 0x48, 0x5b, 0x7b,
+ 0x00, 0x42, 0x7a, 0xab, 0x2b, 0xe7, 0xee, 0x9b,
+ 0x5d, 0x0c, 0xe9, 0x14, 0x74, 0x72, 0x29, 0xd9,
+ 0x10, 0xa5, 0xd5, 0x95, 0xbb, 0x9f, 0x85, 0xc0,
+ 0xa2, 0xfa, 0xbb, 0x84, 0xf5, 0x59, 0x11, 0xdb,
+ 0xf4, 0xce, 0x08, 0xe4, 0x36, 0x1c, 0xeb, 0xc9,
+ 0xa6, 0xcd, 0xdb, 0xf2, 0x10, 0xab, 0x51, 0xb2,
+ 0x8c, 0x9d, 0x57, 0xb9, 0x1b, 0x5d, 0x82, 0x02,
+ 0x77, 0x8c, 0x96, 0x3e, 0x36, 0x0c, 0x17, 0x8f,
+ 0x61, 0x3b, 0x3f, 0x17, 0x7d, 0x1d, 0xa9, 0x03,
+ 0xf8, 0x57, 0x4b, 0xf7, 0x48, 0xb8, 0x65, 0xfc,
+ 0xbb, 0xd4, 0x2b, 0x19, 0x06, 0xa3, 0x82, 0x61,
+ 0xe0, 0x21, 0x62, 0x31, 0xb4, 0xd2, 0x5b, 0xf0,
+ 0x4b, 0x21, 0xcd, 0xca, 0x84, 0x84, 0xc0, 0x1b,
+ 0x55, 0x4d, 0xf0, 0x32, 0xc9, 0x37, 0x57, 0xd9,
+ 0x63, 0x1b, 0x00, 0x65, 0x61, 0x93, 0x1d, 0xa4,
+ 0xb0, 0x86, 0xef, 0x4f, 0x15, 0x88, 0xf8, 0x58,
+ 0xcd, 0xfb, 0xc6, 0x2b, 0x09, 0xcd, 0x9a, 0x32,
+ 0x44, 0x97, 0x8e, 0xea, 0xfa, 0x3c, 0x5a, 0x7d,
+ 0x94, 0xda, 0x09, 0x94, 0x27, 0xa0, 0xc5, 0x57,
+ 0xa8, 0x2d, 0xc5, 0xc4, 0xdf, 0x7c, 0x5f, 0xb4,
+ 0x9b, 0x27, 0x0b, 0x62, 0xc1, 0x55, 0xcc, 0x55,
+ 0xb6, 0xfa, 0xf8, 0x70, 0x66, 0x48, 0xba, 0x21,
+ 0xe5, 0x9c, 0x27, 0x3f, 0x6b, 0xc5, 0xf3, 0x00,
+ 0x03, 0x52, 0x90, 0x06, 0xa3, 0xb9, 0xda, 0xee,
+ 0x87, 0xab, 0x78, 0x96, 0x93, 0x69, 0x34, 0x5a,
+ 0x04, 0x77, 0xcf, 0x0d, 0x20, 0xa3, 0xd7, 0x42,
+ 0x27, 0x8d, 0x59, 0xfe, 0x89, 0x67, 0x3e, 0x5d,
+ 0xe0, 0x0c, 0xb6, 0xad, 0xf0, 0x36, 0x09, 0x60,
+ 0xc1, 0x7c, 0xce, 0x2d, 0xe4, 0x75, 0xaa, 0xf5,
+ 0xa3, 0x5f, 0x72, 0x3b, 0xf2, 0x73, 0xb4, 0x9b,
+ 0xb5, 0x26, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x02,
+ },
+ {
+ 0x00, 0x5f, 0xcd, 0x65, 0x12, 0x14, 0xa6, 0x15,
+ 0xe4, 0xd3, 0xc9, 0xe7, 0x5c, 0x70, 0x2c, 0x37,
+ 0xca, 0xa7, 0x21, 0xf4, 0x40, 0xf3, 0x6a, 0x88,
+ 0xe3, 0xce, 0x85, 0x9b, 0xe4, 0x8f, 0x90, 0x8c,
+ 0x4a, 0xad, 0xf4, 0xcf, 0x99, 0xcf, 0xdc, 0x3b,
+ 0x29, 0xad, 0x59, 0x72, 0x05, 0xa3, 0xca, 0x3e,
+ 0xf9, 0x72, 0x9f, 0x7c, 0xb6, 0xa4, 0xd6, 0x86,
+ 0xb4, 0x64, 0x5a, 0xc4, 0xe0, 0x95, 0x98, 0xb7,
+ 0xdf, 0xc5, 0x79, 0x8a, 0x48, 0xff, 0xd6, 0x71,
+ 0xab, 0x0f, 0x17, 0x54, 0xdd, 0x3d, 0xd0, 0x23,
+ 0x18, 0xc9, 0x4c, 0xf4, 0x40, 0xcf, 0x34, 0xc9,
+ 0x33, 0x04, 0x35, 0x4b, 0x2c, 0xd9, 0xbd, 0xcf,
+ 0x59, 0x62, 0x18, 0x2d, 0x9e, 0x5a, 0x11, 0x71,
+ 0x4c, 0x1f, 0x78, 0x0e, 0x65, 0x75, 0xe6, 0x15,
+ 0x2f, 0x61, 0x32, 0x3c, 0xac, 0xaa, 0xa8, 0x6a,
+ 0x1d, 0x11, 0xb4, 0x91, 0x38, 0xd3, 0x34, 0x31,
+ 0xd7, 0xfa, 0xff, 0xef, 0xbf, 0xb9, 0x90, 0x4f,
+ 0x0d, 0x29, 0x16, 0xb6, 0x64, 0x48, 0x5b, 0x7b,
+ 0x00, 0x42, 0x7a, 0xab, 0x2b, 0xe7, 0xee, 0x9b,
+ 0x5d, 0x0c, 0xe9, 0x14, 0x74, 0x72, 0x29, 0xd9,
+ 0x10, 0xa5, 0xd5, 0x95, 0xbb, 0x9f, 0x85, 0xc0,
+ 0xa2, 0xfa, 0xbb, 0x84, 0xf5, 0x59, 0x11, 0xdb,
+ 0xf4, 0xce, 0x08, 0xe4, 0x36, 0x1c, 0xeb, 0xc9,
+ 0xa6, 0xcd, 0xdb, 0xf2, 0x10, 0xab, 0x51, 0xb2,
+ 0x8c, 0x9d, 0x24, 0x8b, 0xa0, 0xb7, 0xf0, 0xd8,
+ 0xea, 0x6e, 0x24, 0x61, 0x57, 0xfa, 0xd8, 0xd3,
+ 0xf8, 0x10, 0xaf, 0x7e, 0x45, 0xc5, 0xea, 0x7d,
+ 0xa4, 0x0d, 0x14, 0x2b, 0x4c, 0xc9, 0x64, 0x48,
+ 0x12, 0xf1, 0x36, 0x2d, 0xef, 0x33, 0xb6, 0x74,
+ 0x4c, 0xdf, 0xd5, 0x59, 0x80, 0xa4, 0xfc, 0xa5,
+ 0x7c, 0x09, 0x24, 0xd7, 0xd5, 0xdf, 0xd6, 0xa5,
+ 0x2f, 0xa3, 0x49, 0x8a, 0xa3, 0x23, 0xa6, 0x11,
+ 0x76, 0x0e, 0xe3, 0xcd, 0xd7, 0x64, 0x0f, 0xbe,
+ 0x3f, 0x99, 0x0d, 0x05, 0x14, 0xd7, 0xa8, 0x2b,
+ 0x79, 0x6d, 0xb3, 0x12, 0x76, 0x93, 0xae, 0x35,
+ 0xbe, 0x81, 0xb7, 0xd2, 0xcf, 0x39, 0xd2, 0xad,
+ 0xb9, 0xc4, 0x3f, 0xfb, 0xe2, 0xc3, 0x32, 0x46,
+ 0x4d, 0x0b, 0x84, 0x8a, 0x2c, 0x77, 0x2f, 0x49,
+ 0xac, 0x96, 0xe0, 0x30, 0xeb, 0x38, 0x8f, 0x2f,
+ 0x01, 0x1b, 0xf3, 0x3c, 0xb5, 0xee, 0x8c, 0x62,
+ 0x9c, 0x9d, 0x0d, 0xb4, 0x57, 0x6c, 0x8d, 0xf5,
+ 0xe2, 0x16, 0xc0, 0x62, 0x9c, 0x52, 0x49, 0xf8,
+ 0xc7, 0xac, 0xb0, 0xa0, 0xe8, 0x81, 0xd9, 0x05,
+ 0x87, 0xda, 0x09, 0x6f, 0xf7, 0x95, 0xc7, 0x68,
+ 0x69, 0xbb, 0x68, 0xf4, 0x76, 0x3e, 0x2f, 0xd1,
+ 0x9d, 0x18, 0xc1, 0x47, 0x59, 0x3d, 0x56, 0x57,
+ 0x26, 0x10, 0x64, 0xc5, 0x9c, 0x35, 0xe8, 0x58,
+ 0x1b, 0x0e, 0x20, 0x97, 0xdf, 0xfa, 0xcc, 0x88,
+ 0xa0, 0xeb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x03,
+ },
+}, expected_key[4][KEY_LENGTH] = {
+ {
+ 0xca, 0xe4, 0x2e, 0xba, 0x74, 0x55, 0x4f, 0x10,
+ 0x4f, 0x72, 0xa4, 0x3a, 0x0b, 0x00, 0xa0, 0xc8,
+ 0xd8, 0x8f, 0xa7, 0x11, 0x8d, 0x56, 0x2a, 0x72,
+ 0xe4, 0xa8, 0xd2, 0x69, 0xf9, 0xd8, 0xa0, 0xf1,
+ },
+ {
+ 0x63, 0x1d, 0x52, 0x11, 0xed, 0x13, 0xa8, 0x8e,
+ 0x4c, 0xe0, 0x06, 0x2e, 0xe6, 0xa3, 0xa1, 0xf6,
+ 0x7a, 0xf1, 0xc4, 0x1e, 0x18, 0xbf, 0x74, 0xe2,
+ 0x52, 0x23, 0x86, 0x56, 0x1b, 0x0e, 0x78, 0x7d,
+ },
+ {
+ 0x3f, 0xb2, 0xb6, 0x39, 0xe3, 0x54, 0x41, 0x04,
+ 0xf3, 0x48, 0x5f, 0x50, 0xf7, 0x8b, 0xd6, 0xe7,
+ 0x8e, 0x45, 0xc2, 0xee, 0xbf, 0xdd, 0xfd, 0x83,
+ 0x34, 0x7a, 0x9a, 0x8a, 0xf3, 0x4d, 0xd4, 0xc6,
+ },
+ {
+ 0x98, 0x76, 0x29, 0xe2, 0x27, 0xf0, 0x0e, 0x2a,
+ 0xff, 0xc8, 0xfd, 0x3b, 0xcf, 0xcb, 0x9f, 0x6d,
+ 0xe9, 0x80, 0xfe, 0x6e, 0xd9, 0xc0, 0x43, 0x29,
+ 0xc5, 0x53, 0x5f, 0xf7, 0x86, 0x33, 0x3b, 0x70,
+ },
+}, expected_tag[4][TAG_LENGTH] = {
+ {
+ 0x10, 0xa4, 0x14, 0x19, 0xec, 0xf1, 0x9b, 0x6d,
+ 0xe5, 0xe3, 0x12, 0x2b, 0x06, 0xee, 0x5b, 0xac,
+ 0xa7, 0x11, 0x0b, 0x70, 0x15, 0xfd, 0x47, 0xa4,
+ 0xb9, 0xd7, 0x45, 0x19, 0x4b, 0xde, 0x92, 0x5d,
+ },
+ {
+ 0x75, 0x54, 0x5b, 0x6a, 0xfb, 0x30, 0x43, 0x3b,
+ 0x29, 0x94, 0x58, 0xee, 0x62, 0xd9, 0x62, 0x2b,
+ 0x61, 0x88, 0xed, 0xce, 0xc9, 0x95, 0x1e, 0x82,
+ 0x9e, 0xd6, 0xd1, 0x90, 0x23, 0xc6, 0x90, 0x65,
+ },
+ {
+ 0x2f, 0x8b, 0x64, 0xa4, 0x21, 0xe8, 0x74, 0x93,
+ 0xa2, 0x3a, 0x6a, 0xa9, 0x0d, 0x7e, 0xb0, 0x80,
+ 0xce, 0x74, 0x80, 0xb9, 0x06, 0xae, 0xec, 0x86,
+ 0x4c, 0x32, 0x99, 0xf9, 0x48, 0x1f, 0x0c, 0xad,
+ },
+ {
+ 0x39, 0x9e, 0xf6, 0xc3, 0x1e, 0xca, 0x02, 0xb2,
+ 0x6a, 0xe2, 0xa6, 0x47, 0x0b, 0xb5, 0xb6, 0xaf,
+ 0x46, 0xd7, 0x99, 0x13, 0xc6, 0x07, 0xa8, 0x80,
+ 0x73, 0x35, 0x75, 0x73, 0xfd, 0x03, 0x5b, 0x3e,
+ },
+};
+
+static void generate_seed(struct iovec *seed) {
+ assert(iovec_is_set(seed));
+
+ uint8_t *p = seed->iov_base;
+ for (size_t i = 0; i < seed->iov_len; i++)
+ *p++ = (uint8_t) i;
+}
+
+TEST(fsprg) {
+ size_t n_states = 20;
+
+ /* Generating private keys is slow when running on valgrind or with sanitizers. */
+#if HAVE_VALGRIND_VALGRIND_H
+ if (RUNNING_ON_VALGRIND)
+ n_states = ELEMENTSOF(expected_state);
+#endif
+#if HAS_FEATURE_ADDRESS_SANITIZER
+ n_states = ELEMENTSOF(expected_state);
+#endif
+
+ struct iovec *states = new0(struct iovec, n_states);
+ CLEANUP_ARRAY(states, n_states, iovec_array_free);
+
+ if (initialize_libgcrypt(false) >= 0) {
+ struct iovec seed = IOVEC_ALLOCA(FSPRG_RECOMMENDED_SEEDLEN),
+ msk = IOVEC_ALLOCA(FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR)),
+ mpk = IOVEC_ALLOCA(FSPRG_mpkinbytes(FSPRG_RECOMMENDED_SECPAR)),
+ state = IOVEC_ALLOCA(FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR)),
+ key = IOVEC_ALLOCA(KEY_LENGTH);
+
+ generate_seed(&seed);
+
+ /* Generate secret keys */
+ ASSERT_OK(FSPRG_GenMK(msk.iov_base, mpk.iov_base, seed.iov_base, seed.iov_len, FSPRG_RECOMMENDED_SECPAR));
+
+ /* Generate states by FSPRG_Seek() */
+ for (size_t i = 0; i < n_states; i++) {
+ ASSERT_OK(FSPRG_Seek(state.iov_base, i, msk.iov_base, seed.iov_base, seed.iov_len));
+
+ /* Verify state */
+ if (i < ELEMENTSOF(expected_state))
+ ASSERT_TRUE(iovec_equal(&state, &IOVEC_MAKE(expected_state[i], sizeof(expected_state[i]))));
+
+ /* Verify key */
+ ASSERT_OK(FSPRG_GetKey(state.iov_base, key.iov_base, key.iov_len, 0));
+ if (i < ELEMENTSOF(expected_key))
+ ASSERT_TRUE(iovec_equal(&key, &IOVEC_MAKE(expected_key[i], sizeof(expected_key[i]))));
+
+ /* Verify epoch */
+ ASSERT_EQ(FSPRG_GetEpoch(state.iov_base), (uint64_t) i);
+
+ ASSERT_NOT_NULL(iovec_memdup(&state, &states[i]));
+ }
+
+ /* Generate state by FSPRG_GetState0() */
+ ASSERT_OK(FSPRG_GenState0(state.iov_base, mpk.iov_base, seed.iov_base, seed.iov_len));
+ ASSERT_TRUE(iovec_equal(&state, &states[0]));
+
+ /* Generate states by FSPRG_Evolve() */
+ for (size_t i = 1; i < n_states; i++) {
+ ASSERT_OK(FSPRG_Evolve(state.iov_base));
+ ASSERT_TRUE(iovec_equal(&state, &states[i]));
+ }
+ }
+}
+
+TEST(hmac) {
+ /* This emulates what journald and journalctl does.
+ * 1. journalctl generates random seed, calculate initial state, and write the state in
+ * /var/log/journal/$MACHINE_ID/fss.
+ * 2. journald loads the fss file when a new journal file is created by journal_file_fss_load().
+ * 3. Allocate HMAC with SHA256 by journal_file_hmac_setup().
+ * 4. Write inital tag in journal file by journal_file_append_first_tag().
+ * 5. For each journal entry,
+ * - initialize HMAC with fsprg key by journal_file_hmac_start(),
+ * - put each object data to the HMAC by journal_file_hmac_put_object(),
+ * - finalize HMAC and write the value with the fsprg epoch to a tag object by
+ * journal_file_maybe_append_tag(). */
+
+ size_t n_tags = 20;
+
+#if HAVE_GCRYPT
+ if (initialize_libgcrypt(false) >= 0) {
+ struct iovec seed = IOVEC_ALLOCA(FSPRG_RECOMMENDED_SEEDLEN),
+ msk = IOVEC_ALLOCA(FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR)),
+ mpk = IOVEC_ALLOCA(FSPRG_mpkinbytes(FSPRG_RECOMMENDED_SECPAR)),
+ state = IOVEC_ALLOCA(FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR)),
+ key = IOVEC_ALLOCA(KEY_LENGTH),
+ tag = IOVEC_ALLOCA(TAG_LENGTH);
+
+ generate_seed(&seed);
+
+ /* Generate secret keys */
+ ASSERT_OK(FSPRG_GenMK(msk.iov_base, mpk.iov_base, seed.iov_base, seed.iov_len, FSPRG_RECOMMENDED_SECPAR));
+
+ /* Calculate initial state */
+ ASSERT_OK(FSPRG_GenState0(state.iov_base, mpk.iov_base, seed.iov_base, seed.iov_len));
+
+ /* Allocate HMAC */
+ _cleanup_(sym_gcry_md_closep) gcry_md_hd_t hmac = NULL;
+ ASSERT_EQ(gcry_err_code(sym_gcry_md_open(&hmac, GCRY_MD_SHA256, GCRY_MD_FLAG_HMAC)), (gcry_err_code_t) GPG_ERR_NO_ERROR);
+
+ for (size_t i = 0; i < n_tags; i++) {
+ /* Reset the previous state */
+ sym_gcry_md_reset(hmac);
+
+ /* Initialize HMAC with fsprg key */
+ ASSERT_OK(FSPRG_GetKey(state.iov_base, key.iov_base, key.iov_len, 0));
+ ASSERT_EQ(gcry_err_code(sym_gcry_md_setkey(hmac, key.iov_base, key.iov_len)), (gcry_err_code_t) GPG_ERR_NO_ERROR);
+
+ /* Put dummy data */
+ _cleanup_free_ char *str = ASSERT_NOT_NULL(asprintf_safe("dummy data: %zu, hoge hoge hoge hoge hoge", i));
+ sym_gcry_md_write(hmac, str, strlen(str));
+
+ /* Finalize HMAC and generate tag. */
+ memcpy(tag.iov_base, sym_gcry_md_read(hmac, 0), tag.iov_len);
+
+ /* Verify tag */
+ if (i < ELEMENTSOF(expected_tag))
+ ASSERT_TRUE(iovec_equal(&tag, &IOVEC_MAKE(expected_tag[i], sizeof(expected_tag[i]))));
+
+ /* Increment epoch */
+ ASSERT_OK(FSPRG_Evolve(state.iov_base));
+ }
+ }
+#endif
+}
+
+static int intro(void) {
+ if (DLOPEN_GCRYPT(LOG_DEBUG, SD_ELF_NOTE_DLOPEN_PRIORITY_RECOMMENDED) < 0)
+ return EXIT_TEST_SKIP;
+
+ return EXIT_SUCCESS;
+}
+
+DEFINE_TEST_MAIN_WITH_INTRO(LOG_DEBUG, intro);