--- /dev/null
+/* main-dsa-test.c */
+/*
+ This file is part of the ARM-Crypto-Lib.
+ Copyright (C) 2010 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ 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. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ * RSA test-suit
+ *
+*/
+#include "main-test-common.h"
+
+#include "noekeon.h"
+#include "noekeon_prng.h"
+#include "bigint.h"
+#include "bigint_io.h"
+#include "random_dummy.h"
+#include "rsa_basic.h"
+#include "rsassa_pkcs1v15.h"
+#include "sha1.h"
+
+#include "performance_test.h"
+
+const char* algo_name = "RSASA-PKCS15";
+
+#define BIGINT_CEIL(x) ((((x) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t))
+#define BIGINT_OFF(x) ((sizeof(bigint_word_t) - (x) % sizeof(bigint_word_t)) % sizeof(bigint_word_t))
+
+/*****************************************************************************
+ * additional validation-functions *
+ *****************************************************************************/
+
+/* Modulus: */
+const uint8_t modulus[] = {
+0xa8, 0xb3, 0xb2, 0x84, 0xaf, 0x8e, 0xb5, 0x0b, 0x38, 0x70, 0x34, 0xa8, 0x60, 0xf1, 0x46, 0xc4,
+0x91, 0x9f, 0x31, 0x87, 0x63, 0xcd, 0x6c, 0x55, 0x98, 0xc8, 0xae, 0x48, 0x11, 0xa1, 0xe0, 0xab,
+0xc4, 0xc7, 0xe0, 0xb0, 0x82, 0xd6, 0x93, 0xa5, 0xe7, 0xfc, 0xed, 0x67, 0x5c, 0xf4, 0x66, 0x85,
+0x12, 0x77, 0x2c, 0x0c, 0xbc, 0x64, 0xa7, 0x42, 0xc6, 0xc6, 0x30, 0xf5, 0x33, 0xc8, 0xcc, 0x72,
+0xf6, 0x2a, 0xe8, 0x33, 0xc4, 0x0b, 0xf2, 0x58, 0x42, 0xe9, 0x84, 0xbb, 0x78, 0xbd, 0xbf, 0x97,
+0xc0, 0x10, 0x7d, 0x55, 0xbd, 0xb6, 0x62, 0xf5, 0xc4, 0xe0, 0xfa, 0xb9, 0x84, 0x5c, 0xb5, 0x14,
+0x8e, 0xf7, 0x39, 0x2d, 0xd3, 0xaa, 0xff, 0x93, 0xae, 0x1e, 0x6b, 0x66, 0x7b, 0xb3, 0xd4, 0x24,
+0x76, 0x16, 0xd4, 0xf5, 0xba, 0x10, 0xd4, 0xcf, 0xd2, 0x26, 0xde, 0x88, 0xd3, 0x9f, 0x16, 0xfb
+};
+
+/* Public exponent: */
+const uint8_t pub_exponent[] = { 0x01, 0x00, 0x01 };
+
+/* Exponent: */
+const uint8_t priv_exponent[] = {
+0x53, 0x33, 0x9c, 0xfd, 0xb7, 0x9f, 0xc8, 0x46, 0x6a, 0x65, 0x5c, 0x73, 0x16, 0xac, 0xa8, 0x5c,
+0x55, 0xfd, 0x8f, 0x6d, 0xd8, 0x98, 0xfd, 0xaf, 0x11, 0x95, 0x17, 0xef, 0x4f, 0x52, 0xe8, 0xfd,
+0x8e, 0x25, 0x8d, 0xf9, 0x3f, 0xee, 0x18, 0x0f, 0xa0, 0xe4, 0xab, 0x29, 0x69, 0x3c, 0xd8, 0x3b,
+0x15, 0x2a, 0x55, 0x3d, 0x4a, 0xc4, 0xd1, 0x81, 0x2b, 0x8b, 0x9f, 0xa5, 0xaf, 0x0e, 0x7f, 0x55,
+0xfe, 0x73, 0x04, 0xdf, 0x41, 0x57, 0x09, 0x26, 0xf3, 0x31, 0x1f, 0x15, 0xc4, 0xd6, 0x5a, 0x73,
+0x2c, 0x48, 0x31, 0x16, 0xee, 0x3d, 0x3d, 0x2d, 0x0a, 0xf3, 0x54, 0x9a, 0xd9, 0xbf, 0x7c, 0xbf,
+0xb7, 0x8a, 0xd8, 0x84, 0xf8, 0x4d, 0x5b, 0xeb, 0x04, 0x72, 0x4d, 0xc7, 0x36, 0x9b, 0x31, 0xde,
+0xf3, 0x7d, 0x0c, 0xf5, 0x39, 0xe9, 0xcf, 0xcd, 0xd3, 0xde, 0x65, 0x37, 0x29, 0xea, 0xd5, 0xd1
+};
+
+/* Prime 1: */
+const uint8_t p[] = {
+0xd3, 0x27, 0x37, 0xe7, 0x26, 0x7f, 0xfe, 0x13, 0x41, 0xb2, 0xd5, 0xc0, 0xd1, 0x50, 0xa8, 0x1b,
+0x58, 0x6f, 0xb3, 0x13, 0x2b, 0xed, 0x2f, 0x8d, 0x52, 0x62, 0x86, 0x4a, 0x9c, 0xb9, 0xf3, 0x0a,
+0xf3, 0x8b, 0xe4, 0x48, 0x59, 0x8d, 0x41, 0x3a, 0x17, 0x2e, 0xfb, 0x80, 0x2c, 0x21, 0xac, 0xf1,
+0xc1, 0x1c, 0x52, 0x0c, 0x2f, 0x26, 0xa4, 0x71, 0xdc, 0xad, 0x21, 0x2e, 0xac, 0x7c, 0xa3, 0x9d
+};
+
+/* Prime 2: */
+const uint8_t q[] = {
+0xcc, 0x88, 0x53, 0xd1, 0xd5, 0x4d, 0xa6, 0x30, 0xfa, 0xc0, 0x04, 0xf4, 0x71, 0xf2, 0x81, 0xc7,
+0xb8, 0x98, 0x2d, 0x82, 0x24, 0xa4, 0x90, 0xed, 0xbe, 0xb3, 0x3d, 0x3e, 0x3d, 0x5c, 0xc9, 0x3c,
+0x47, 0x65, 0x70, 0x3d, 0x1d, 0xd7, 0x91, 0x64, 0x2f, 0x1f, 0x11, 0x6a, 0x0d, 0xd8, 0x52, 0xbe,
+0x24, 0x19, 0xb2, 0xaf, 0x72, 0xbf, 0xe9, 0xa0, 0x30, 0xe8, 0x60, 0xb0, 0x28, 0x8b, 0x5d, 0x77
+};
+
+/* Prime exponent 1: */
+const uint8_t dp[] = {
+0x0e, 0x12, 0xbf, 0x17, 0x18, 0xe9, 0xce, 0xf5, 0x59, 0x9b, 0xa1, 0xc3, 0x88, 0x2f, 0xe8, 0x04,
+0x6a, 0x90, 0x87, 0x4e, 0xef, 0xce, 0x8f, 0x2c, 0xcc, 0x20, 0xe4, 0xf2, 0x74, 0x1f, 0xb0, 0xa3,
+0x3a, 0x38, 0x48, 0xae, 0xc9, 0xc9, 0x30, 0x5f, 0xbe, 0xcb, 0xd2, 0xd7, 0x68, 0x19, 0x96, 0x7d,
+0x46, 0x71, 0xac, 0xc6, 0x43, 0x1e, 0x40, 0x37, 0x96, 0x8d, 0xb3, 0x78, 0x78, 0xe6, 0x95, 0xc1
+};
+
+/* Prime exponent 2: */
+const uint8_t dq[] = {
+0x95, 0x29, 0x7b, 0x0f, 0x95, 0xa2, 0xfa, 0x67, 0xd0, 0x07, 0x07, 0xd6, 0x09, 0xdf, 0xd4, 0xfc,
+0x05, 0xc8, 0x9d, 0xaf, 0xc2, 0xef, 0x6d, 0x6e, 0xa5, 0x5b, 0xec, 0x77, 0x1e, 0xa3, 0x33, 0x73,
+0x4d, 0x92, 0x51, 0xe7, 0x90, 0x82, 0xec, 0xda, 0x86, 0x6e, 0xfe, 0xf1, 0x3c, 0x45, 0x9e, 0x1a,
+0x63, 0x13, 0x86, 0xb7, 0xe3, 0x54, 0xc8, 0x99, 0xf5, 0xf1, 0x12, 0xca, 0x85, 0xd7, 0x15, 0x83
+};
+
+/* Coefficient: */
+const uint8_t qinv[] = {
+0x4f, 0x45, 0x6c, 0x50, 0x24, 0x93, 0xbd, 0xc0, 0xed, 0x2a, 0xb7, 0x56, 0xa3, 0xa6, 0xed, 0x4d,
+0x67, 0x35, 0x2a, 0x69, 0x7d, 0x42, 0x16, 0xe9, 0x32, 0x12, 0xb1, 0x27, 0xa6, 0x3d, 0x54, 0x11,
+0xce, 0x6f, 0xa9, 0x8d, 0x5d, 0xbe, 0xfd, 0x73, 0x26, 0x3e, 0x37, 0x28, 0x14, 0x27, 0x43, 0x81,
+0x81, 0x66, 0xed, 0x7d, 0xd6, 0x36, 0x87, 0xdd, 0x2a, 0x8c, 0xa1, 0xd2, 0xf4, 0xfb, 0xd8, 0xe1
+};
+
+/*
+ * Example 2: A 1024-bit RSA key pair
+ * ---------------------------------------------------
+ */
+
+/* Modulus: */
+const uint8_t modulus2[] = {
+0x98, 0xb7, 0x05, 0x82, 0xca, 0x80, 0x8f, 0xd1, 0xd3, 0x50, 0x95, 0x62, 0xa0, 0xef, 0x30, 0x5a,
+0xf6, 0xd9, 0x87, 0x54, 0x43, 0xb3, 0x5b, 0xdf, 0x24, 0xd5, 0x36, 0x35, 0x3e, 0x3f, 0x12, 0x28,
+0xdc, 0xd1, 0x2a, 0x78, 0x56, 0x83, 0x56, 0xc6, 0xff, 0x32, 0x3a, 0xbf, 0x72, 0xac, 0x1c, 0xdb,
+0xfe, 0x71, 0x2f, 0xb4, 0x9f, 0xe5, 0x94, 0xa5, 0xa2, 0x17, 0x5d, 0x48, 0xb6, 0x73, 0x25, 0x38,
+0xd8, 0xdf, 0x37, 0xcb, 0x97, 0x0b, 0xe4, 0xa5, 0xb5, 0x62, 0xc3, 0xf2, 0x98, 0xdb, 0x9d, 0xdf,
+0x75, 0x60, 0x78, 0x77, 0x91, 0x8c, 0xce, 0xd1, 0xd0, 0xd1, 0xf3, 0x77, 0x33, 0x8c, 0x0d, 0x3d,
+0x32, 0x07, 0x79, 0x7e, 0x86, 0x2c, 0x65, 0xd1, 0x14, 0x39, 0xe5, 0x88, 0x17, 0x75, 0x27, 0xa7,
+0xde, 0xd9, 0x19, 0x71, 0xad, 0xcf, 0x91, 0xe2, 0xe8, 0x34, 0xe3, 0x7f, 0x05, 0xa7, 0x36, 0x55
+};
+
+/* Public exponent: */
+const uint8_t pub_exponent2[] = {0x01, 0x00, 0x01 };
+
+/* Exponent: */
+const uint8_t priv_exponent2[] = {
+0x06, 0x14, 0xa7, 0x86, 0x05, 0x2d, 0x28, 0x4c, 0xd9, 0x06, 0xa8, 0xe4, 0x13, 0xf7, 0x62, 0x2c,
+0x05, 0x0f, 0x35, 0x49, 0xc0, 0x26, 0x58, 0x9e, 0xa2, 0x77, 0x50, 0xe0, 0xbe, 0xd9, 0x41, 0x0e,
+0x5a, 0x78, 0x83, 0xa1, 0xe6, 0x03, 0xf5, 0xc5, 0x17, 0xad, 0x36, 0xd4, 0x9f, 0xaa, 0xc5, 0xbd,
+0x66, 0xbc, 0xb8, 0x03, 0x0f, 0xa8, 0xd3, 0x09, 0xe3, 0x51, 0xdd, 0xd7, 0x82, 0xd8, 0x43, 0xdf,
+0x97, 0x56, 0x80, 0xae, 0x73, 0xee, 0xa9, 0xaa, 0xb2, 0x89, 0xb7, 0x57, 0x20, 0x5d, 0xad, 0xb8,
+0xfd, 0xfb, 0x98, 0x9e, 0xc8, 0xdb, 0x8e, 0x70, 0x95, 0xf5, 0x1f, 0x24, 0x52, 0x9f, 0x56, 0x37,
+0xaa, 0x66, 0x93, 0x31, 0xe2, 0x56, 0x9f, 0x8b, 0x85, 0x4a, 0xbe, 0xce, 0xc9, 0x9a, 0xa2, 0x64,
+0xc3, 0xda, 0x7c, 0xc6, 0x86, 0x6f, 0x0c, 0x0e, 0x1f, 0xb8, 0x46, 0x98, 0x48, 0x58, 0x1c, 0x73
+};
+
+/* Prime 1: */
+const uint8_t p2[] = {
+0xcb, 0x61, 0xa8, 0x8c, 0x8c, 0x30, 0x5a, 0xd9, 0xa8, 0xfb, 0xec, 0x2b, 0xa4, 0xc8, 0x6c, 0xcc,
+0xc2, 0x02, 0x80, 0x24, 0xaa, 0x16, 0x90, 0xc2, 0x9b, 0xc8, 0x26, 0x4d, 0x2f, 0xeb, 0xe8, 0x7e,
+0x4f, 0x86, 0xe9, 0x12, 0xef, 0x0f, 0x5c, 0x18, 0x53, 0xd7, 0x1c, 0xbc, 0x9b, 0x14, 0xba, 0xed,
+0x3c, 0x37, 0xce, 0xf6, 0xc7, 0xa3, 0x59, 0x8b, 0x6f, 0xbe, 0x06, 0x48, 0x10, 0x90, 0x5b, 0x57
+};
+
+/* Prime 2: */
+const uint8_t q2[] = {
+0xc0, 0x39, 0x9f, 0x0b, 0x93, 0x80, 0xfa, 0xba, 0x38, 0xff, 0x80, 0xd2, 0xff, 0xf6, 0xed, 0xe7,
+0x9c, 0xfd, 0xab, 0xf6, 0x58, 0x97, 0x20, 0x77, 0xa5, 0xe2, 0xb2, 0x95, 0x69, 0x3e, 0xa5, 0x10,
+0x72, 0x26, 0x8b, 0x91, 0x74, 0x6e, 0xea, 0x9b, 0xe0, 0x4a, 0xd6, 0x61, 0x00, 0xeb, 0xed, 0x73,
+0x3d, 0xb4, 0xcd, 0x01, 0x47, 0xa1, 0x8d, 0x6d, 0xe8, 0xc0, 0xcd, 0x8f, 0xbf, 0x24, 0x9c, 0x33
+};
+
+/* Prime exponent 1: */
+const uint8_t dp2[] = {
+0x94, 0x4c, 0x3a, 0x65, 0x79, 0x57, 0x4c, 0xf7, 0x87, 0x33, 0x62, 0xab, 0x14, 0x35, 0x9c, 0xb7,
+0xd5, 0x03, 0x93, 0xc2, 0xa8, 0x4f, 0x59, 0xf0, 0xbd, 0x3c, 0xbd, 0x48, 0xed, 0x17, 0x7c, 0x68,
+0x95, 0xbe, 0x8e, 0xb6, 0xe2, 0x9f, 0xf5, 0x8c, 0x3b, 0x9e, 0x0f, 0xf3, 0x2a, 0xb5, 0x7b, 0xf3,
+0xbe, 0x44, 0x07, 0x62, 0x84, 0x81, 0x84, 0xaa, 0x9a, 0xa9, 0x19, 0xd5, 0x74, 0x56, 0x7e, 0x73
+};
+
+/* Prime exponent 2: */
+const uint8_t dq2[] = {
+0x45, 0xeb, 0xef, 0xd5, 0x87, 0x27, 0x30, 0x8c, 0xd2, 0xb4, 0xe6, 0x08, 0x5a, 0x81, 0x58, 0xd2,
+0x9a, 0x41, 0x8f, 0xee, 0xc1, 0x14, 0xe0, 0x03, 0x85, 0xbc, 0xeb, 0x96, 0xfb, 0xbc, 0x84, 0xd0,
+0x71, 0xa5, 0x61, 0xb9, 0x5c, 0x30, 0x08, 0x79, 0x00, 0xe2, 0x58, 0x0e, 0xdb, 0x05, 0xf6, 0xce,
+0xa7, 0x90, 0x7f, 0xcd, 0xca, 0x5f, 0x92, 0x91, 0x7b, 0x4b, 0xbe, 0xba, 0x5e, 0x1e, 0x14, 0x0f
+};
+
+/* Coefficient: */
+const uint8_t qinv2[] = {
+0xc5, 0x24, 0x68, 0xc8, 0xfd, 0x15, 0xe5, 0xda, 0x2f, 0x6c, 0x8e, 0xba, 0x4e, 0x97, 0xba, 0xeb,
+0xe9, 0x95, 0xb6, 0x7a, 0x1a, 0x7a, 0xd7, 0x19, 0xdd, 0x9f, 0xff, 0x36, 0x6b, 0x18, 0x4d, 0x5a,
+0xb4, 0x55, 0x07, 0x59, 0x09, 0x29, 0x20, 0x44, 0xec, 0xb3, 0x45, 0xcf, 0x2c, 0xdd, 0x26, 0x22,
+0x8e, 0x21, 0xf8, 0x51, 0x83, 0x25, 0x5f, 0x4a, 0x9e, 0x69, 0xf4, 0xc7, 0x15, 0x2e, 0xbb, 0x0f
+};
+
+
+/* PKCS#1 v1.5 signatures
+ * ---------------------------------------------------------------------------
+ */
+/* Message to be signed */
+const uint8_t message_1_1[] = {
+0xcd, 0xc8, 0x7d, 0xa2, 0x23, 0xd7, 0x86, 0xdf, 0x3b, 0x45, 0xe0, 0xbb, 0xbc, 0x72, 0x13, 0x26,
+0xd1, 0xee, 0x2a, 0xf8, 0x06, 0xcc, 0x31, 0x54, 0x75, 0xcc, 0x6f, 0x0d, 0x9c, 0x66, 0xe1, 0xb6,
+0x23, 0x71, 0xd4, 0x5c, 0xe2, 0x39, 0x2e, 0x1a, 0xc9, 0x28, 0x44, 0xc3, 0x10, 0x10, 0x2f, 0x15,
+0x6a, 0x0d, 0x8d, 0x52, 0xc1, 0xf4, 0xc4, 0x0b, 0xa3, 0xaa, 0x65, 0x09, 0x57, 0x86, 0xcb, 0x76,
+0x97, 0x57, 0xa6, 0x56, 0x3b, 0xa9, 0x58, 0xfe, 0xd0, 0xbc, 0xc9, 0x84, 0xe8, 0xb5, 0x17, 0xa3,
+0xd5, 0xf5, 0x15, 0xb2, 0x3b, 0x8a, 0x41, 0xe7, 0x4a, 0xa8, 0x67, 0x69, 0x3f, 0x90, 0xdf, 0xb0,
+0x61, 0xa6, 0xe8, 0x6d, 0xfa, 0xae, 0xe6, 0x44, 0x72, 0xc0, 0x0e, 0x5f, 0x20, 0x94, 0x57, 0x29,
+0xcb, 0xeb, 0xe7, 0x7f, 0x06, 0xce, 0x78, 0xe0, 0x8f, 0x40, 0x98, 0xfb, 0xa4, 0x1f, 0x9d, 0x61,
+0x93, 0xc0, 0x31, 0x7e, 0x8b, 0x60, 0xd4, 0xb6, 0x08, 0x4a, 0xcb, 0x42, 0xd2, 0x9e, 0x38, 0x08,
+0xa3, 0xbc, 0x37, 0x2d, 0x85, 0xe3, 0x31, 0x17, 0x0f, 0xcb, 0xf7, 0xcc, 0x72, 0xd0, 0xb7, 0x1c,
+0x29, 0x66, 0x48, 0xb3, 0xa4, 0xd1, 0x0f, 0x41, 0x62, 0x95, 0xd0, 0x80, 0x7a, 0xa6, 0x25, 0xca,
+0xb2, 0x74, 0x4f, 0xd9, 0xea, 0x8f, 0xd2, 0x23, 0xc4, 0x25, 0x37, 0x02, 0x98, 0x28, 0xbd, 0x16,
+0xbe, 0x02, 0x54, 0x6f, 0x13, 0x0f, 0xd2, 0xe3, 0x3b, 0x93, 0x6d, 0x26, 0x76, 0xe0, 0x8a, 0xed,
+0x1b, 0x73, 0x31, 0x8b, 0x75, 0x0a, 0x01, 0x67, 0xd0 };
+
+/* Signature: */
+const uint8_t sign_1_1[] = {
+0x6b, 0xc3, 0xa0, 0x66, 0x56, 0x84, 0x29, 0x30, 0xa2, 0x47, 0xe3, 0x0d, 0x58, 0x64, 0xb4, 0xd8,
+0x19, 0x23, 0x6b, 0xa7, 0xc6, 0x89, 0x65, 0x86, 0x2a, 0xd7, 0xdb, 0xc4, 0xe2, 0x4a, 0xf2, 0x8e,
+0x86, 0xbb, 0x53, 0x1f, 0x03, 0x35, 0x8b, 0xe5, 0xfb, 0x74, 0x77, 0x7c, 0x60, 0x86, 0xf8, 0x50,
+0xca, 0xef, 0x89, 0x3f, 0x0d, 0x6f, 0xcc, 0x2d, 0x0c, 0x91, 0xec, 0x01, 0x36, 0x93, 0xb4, 0xea,
+0x00, 0xb8, 0x0c, 0xd4, 0x9a, 0xac, 0x4e, 0xcb, 0x5f, 0x89, 0x11, 0xaf, 0xe5, 0x39, 0xad, 0xa4,
+0xa8, 0xf3, 0x82, 0x3d, 0x1d, 0x13, 0xe4, 0x72, 0xd1, 0x49, 0x05, 0x47, 0xc6, 0x59, 0xc7, 0x61,
+0x7f, 0x3d, 0x24, 0x08, 0x7d, 0xdb, 0x6f, 0x2b, 0x72, 0x09, 0x61, 0x67, 0xfc, 0x09, 0x7c, 0xab,
+0x18, 0xe9, 0xa4, 0x58, 0xfc, 0xb6, 0x34, 0xcd, 0xce, 0x8e, 0xe3, 0x58, 0x94, 0xc4, 0x84, 0xd7
+};
+
+
+uint8_t keys_allocated = 0;
+rsa_publickey_t pub_key;
+rsa_privatekey_t priv_key;
+
+#if 1
+ #define MSG message_1_1
+ #define SIGN sign_1_1
+ #define MODULUS modulus2
+ #define PUB_EXPONENT pub_exponent2
+ #define PRIV_EXPONENT priv_exponent2
+ #define P p2
+ #define Q q2
+ #define DP dp2
+ #define DQ dq2
+ #define QINV qinv2
+#endif
+
+
+uint8_t convert_nibble(uint8_t c){
+ if(c>='0' && c<='9'){
+ return c - '0';
+ }
+ c |= 'A' ^ 'a';
+ if(c>='a' && c<='f'){
+ return c - 'a' + 10;
+ }
+ return 0xff;
+}
+
+const char *block_ignore_string=" \t\r\n,;";
+#define BUFFER_LIMIT 120
+uint16_t read_os(void* dst, uint16_t length, const char* ignore_string){
+ uint16_t counter = 0;
+ uint16_t c;
+ uint8_t v, tmp = 0, idx = 0;
+ if(!ignore_string){
+ ignore_string = block_ignore_string;
+ }
+ while(counter < length){
+ c = cli_getc();
+ if(c > 0xff){
+ return counter;
+ }
+ if(strchr(ignore_string, c)){
+ continue;
+ }
+ v = convert_nibble(c);
+ if(v > 0x0f){
+ return counter;
+ }
+ if(idx){
+ ((uint8_t*)dst)[counter++] = (tmp << 4) | v;
+ idx = 0;
+ if(counter % (BUFFER_LIMIT/2) == 0){
+ cli_putc('.');
+ }
+ }else{
+ tmp = v;
+ idx = 1;
+ }
+ }
+ return counter;
+}
+
+uint16_t own_atou(const char* str){
+ uint16_t r=0;
+ while(*str && *str >= '0' && *str <= '9'){
+ r *= 10;
+ r += *str++ - '0';
+ }
+ return r;
+}
+
+uint8_t read_bigint(bigint_t* a, char* prompt){
+ uint16_t read_length, actual_length;
+ uint8_t off;
+ uint8_t *buffer;
+ char read_int_str[18];
+ cli_putstr(prompt);
+ cli_putstr("\r\n length: ");
+ cli_getsn(read_int_str, 16);
+ read_length = own_atou(read_int_str);
+ off = (sizeof(bigint_word_t) - (read_length % sizeof(bigint_word_t))) % sizeof(bigint_word_t);
+ buffer = malloc(((read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t));
+ if(!buffer){
+ cli_putstr("\r\nERROR: OOM!");
+ return 2;
+ }
+ cli_putstr("\r\n data: ");
+ memset(buffer, 0, sizeof(bigint_word_t));
+ actual_length = read_os(buffer + off, read_length, NULL);
+ if(actual_length != read_length){
+ cli_putstr("\r\nERROR: unexpected end of data!");
+ free(buffer);
+ return 1;
+ }
+ a->wordv = (bigint_word_t*)buffer;
+ a->length_B = (read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ a->info = 0;
+ bigint_changeendianess(a);
+ bigint_adjust(a);
+ return 0;
+}
+
+uint8_t pre_alloc_key_crt(void){
+ priv_key.n = 5;
+ priv_key.components = malloc(5 * sizeof(bigint_t));
+ if(!priv_key.components){
+ cli_putstr("\r\nERROR: OOM!");
+ return 2;
+ }
+ return 0;
+}
+
+void free_key(void){
+ uint8_t c;
+ free(pub_key.modulus.wordv);
+ free(pub_key.exponent.wordv);
+ pub_key.modulus.wordv = priv_key.modulus.wordv = NULL;
+ for(c = 0; c < priv_key.n; ++c){
+ free(priv_key.components[c].wordv);
+ }
+ free(priv_key.components);
+}
+
+uint8_t read_key_crt(void){
+ uint8_t r;
+ cli_putstr("\r\n== reading key (crt) ==");
+ r = pre_alloc_key_crt();
+ if(r) return r;
+ r = read_bigint(&pub_key.modulus, "\r\n = module =");
+ memcpy(&priv_key.modulus, &pub_key.modulus, sizeof(bigint_t));
+ if(r) return r;
+ r = read_bigint(&pub_key.exponent, "\r\n = public exponent =");
+ if(r) return r;
+ r = read_bigint(&priv_key.components[0], "\r\n = p (first prime) =");
+ if(r) return r;
+ r = read_bigint(&priv_key.components[1], "\r\n = q (second prime) =");
+ if(r) return r;
+ r = read_bigint(&priv_key.components[2], "\r\n = dp (p's exponent) =");
+ if(r) return r;
+ r = read_bigint(&priv_key.components[3], "\r\n = dq (q's exponent) =");
+ if(r) return r;
+ r = read_bigint(&priv_key.components[4], "\r\n = qInv (q' coefficient) =");
+ return r;
+}
+
+uint8_t read_key_conv(void){
+ uint8_t r;
+ cli_putstr("\r\n== reading key (crt) ==");
+ r = read_bigint(&pub_key.modulus,"\r\n = module =");
+ if(r) return r;
+ memcpy(&priv_key.modulus, &pub_key.modulus, sizeof(bigint_t));
+ priv_key.n = 1;
+ priv_key.components = malloc(sizeof(bigint_t));
+ if(!priv_key.components){
+ cli_putstr("\r\nERROR: OOM!");
+ return 2;
+ }
+ r = read_bigint(&pub_key.exponent, "\r\n = public exponent =");
+ if(r) return r;
+ r = read_bigint(&priv_key.components[0], "\r\n = private exponent =");
+ return r;
+}
+
+void load_priv_conventional(void){
+ priv_key.components = malloc(sizeof(bigint_t));
+ priv_key.components[0].length_B = (sizeof(PRIV_EXPONENT) +
+ sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ priv_key.components[0].wordv = malloc(priv_key.components[0].length_B *
+ sizeof(bigint_word_t));
+ if(!priv_key.components[0].wordv){
+ cli_putstr("\r\nERROR: OOM!");
+ return;
+ }
+ memcpy(priv_key.components[0].wordv, PRIV_EXPONENT, sizeof(PRIV_EXPONENT));
+ priv_key.n = 1;
+ bigint_changeendianess(&priv_key.components[0]);
+ bigint_adjust(&priv_key.components[0]);
+}
+
+
+void load_priv_crt_mono(void){
+ bigint_t *v;
+ const uint8_t *bv[5] = {P,Q,DP,DQ,QINV};
+ uint16_t sv[5] = {sizeof(P), sizeof(Q), sizeof(DP), sizeof(DQ), sizeof(QINV)};
+ uint8_t i;
+ v = malloc(5 * sizeof(bigint_t));
+ if(!v){
+ cli_putstr("\r\nERROR: OOM!");
+ return;
+ }
+ priv_key.components = v;
+ priv_key.n = 5;
+ for(i=0; i<5; ++i){
+ v[i].info = 0;
+ v[i].length_B = (sv[i] + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ v[i].wordv = calloc(v[i].length_B , sizeof(bigint_word_t));
+ if(!v[i].wordv){
+ cli_putstr("\r\nERROR: OOM!");
+ return;
+ }
+ memcpy(v[i].wordv, bv[i], sv[i]);
+ bigint_changeendianess(&v[i]);
+ bigint_adjust(&v[i]);
+ }
+}
+
+uint8_t load_bigint_from_os(bigint_t* a, const void* os, uint16_t length_B){
+ a->length_B = BIGINT_CEIL(length_B) / sizeof(bigint_word_t);
+ a->wordv = malloc(BIGINT_CEIL(length_B));
+ if(!a->wordv){
+ cli_putstr("\r\nOOM!\r\n");
+ return 1;
+ }
+ memset(a->wordv, 0, sizeof(bigint_word_t));
+ memcpy((uint8_t*)a->wordv + BIGINT_OFF(length_B), os, length_B);
+ a->info = 0;
+ bigint_changeendianess(a);
+ bigint_adjust(a);
+ return 0;
+}
+
+void load_fix_rsa(void){
+ if(keys_allocated){
+ free_key();
+ }
+ keys_allocated = 1;
+
+ if(pre_alloc_key_crt()){
+ cli_putstr("\r\nOOM!\r\n");
+ return;
+ }
+
+ load_bigint_from_os(&pub_key.modulus, MODULUS, sizeof(MODULUS));
+ load_bigint_from_os(&pub_key.exponent, PUB_EXPONENT, sizeof(PUB_EXPONENT));
+ priv_key.n = 5;
+ memcpy(&priv_key.modulus, &pub_key.modulus, sizeof(bigint_t));
+ load_bigint_from_os(&priv_key.components[0], P, sizeof(P));
+ load_bigint_from_os(&priv_key.components[1], Q, sizeof(Q));
+ load_bigint_from_os(&priv_key.components[2], DP, sizeof(DP));
+ load_bigint_from_os(&priv_key.components[3], DQ, sizeof(DQ));
+ load_bigint_from_os(&priv_key.components[4], QINV, sizeof(QINV));
+
+// load_priv_conventional();
+// load_priv_crt_mono();
+}
+
+void quick_test(void){
+ uint8_t *msg, *sign, hash[20], rc;
+ uint16_t slen;
+ if(!keys_allocated){
+ load_fix_rsa();
+ }
+ msg = malloc(sizeof(MSG));
+ memcpy(msg, MSG, sizeof(MSG));
+ sign = malloc(pub_key.modulus.length_B * sizeof(bigint_word_t));
+ cli_putstr("\r\nhashing:...");
+ sha1(hash, msg, sizeof(MSG) * 8);
+ cli_putstr("\r\nsigning: ...");
+
+ rc = rsa_sign_pkcs1v15(sign, &slen, hash, 20, &priv_key, &pkcs1v15_sha1_prefix);
+ if(rc){
+ cli_putstr("\r\nERROR: rsa_sign_pkcs1v15() returned: ");
+ cli_hexdump_byte(rc);
+ return;
+ }
+
+ cli_putstr("\r\n\r\nsignature:");
+ cli_hexdump_block(sign, slen, 4, 16);
+ if(slen!=sizeof(SIGN)){
+ cli_putstr("\r\n>>FAIL (no size match)<<");
+ }else{
+ if(memcmp(sign, SIGN, slen)){
+ cli_putstr("\r\n>>FAIL (no content match)<<");
+ }else{
+ cli_putstr("\r\n>>OK<<");
+ }
+ }
+
+ cli_putstr("\r\nverifying: ...");
+ rc = rsa_verify_pkcs1v15(sign, slen, hash, 20, &pub_key, &pkcs1v15_sha1_prefix);
+ if(rc){
+ cli_putstr("\r\nERROR: rsa_verify_pkcs1v15() returned: ");
+ cli_hexdump_byte(rc);
+ return;
+ }else{
+ cli_putstr("\r\nsignature >>OK<<");
+ }
+ free(sign);
+ free(msg);
+}
+
+void run_sha1_test(void){
+ uint8_t *msg, *sign, hash[20], rc;
+ uint16_t msg_len, sign_len;
+ char read_int_str[18];
+ cli_putstr("\r\n== test with given seed ==");
+ cli_putstr("\r\n = message =");
+ cli_putstr("\r\n length: ");
+ cli_getsn(read_int_str, 16);
+ msg_len = own_atou(read_int_str);
+ msg = malloc(msg_len);
+ if(!msg){
+ cli_putstr("\r\nERROR: OOM!");
+ return;
+ }
+ sign = malloc(bigint_length_B(&pub_key.modulus));
+ if(!sign){
+ cli_putstr("\r\nERROR: OOM!");
+ return;
+ }
+ cli_putstr("\r\n data: ");
+ read_os(msg, msg_len, NULL);
+ cli_putstr("\r\n hashing ...");
+ sha1(hash, msg, msg_len * 8);
+ cli_putstr("\r\n signing ...");
+/*
+ cli_putstr("\r\n plaintext:");
+ cli_hexdump_block(msg, msg_len, 4, 16);
+ cli_putstr("\r\n seed:");
+ cli_hexdump_block(seed, seed_len, 4, 16);
+*/
+ rc = rsa_sign_pkcs1v15(sign, &sign_len, hash, 20, &priv_key, &pkcs1v15_sha1_prefix);
+ if(rc){
+ cli_putstr("\r\n ERROR: computing signature failed with code: ");
+ cli_hexdump_byte(rc);
+ }
+ cli_putstr("\r\n signature:");
+ cli_hexdump_block(sign, sign_len, 4, 16);
+ cli_putstr("\r\n verifying ... ");
+ rc = rsa_verify_pkcs1v15(sign, sign_len, hash, 20, &pub_key, &pkcs1v15_sha1_prefix);
+ cli_putstr("[done]");
+ if(rc){
+ cli_putstr("\r\n ERROR: verifying signature failed with code: ");
+ cli_hexdump_byte(rc);
+ }else{
+ cli_putstr("\r\n >>OK<<");
+ }
+ free(sign);
+ free(msg);
+}
+
+void reset_prng(void){
+ uint8_t buf[16];
+ memset(buf, 0, 16);
+ random_seed(buf);
+ cli_putstr("\r\nPRNG reset");
+}
+
+void rsa_init(void){
+ prng_get_byte = random8;
+}
+
+void load_key(void){
+ if(keys_allocated){
+ free_key();
+ }
+ keys_allocated = 1;
+ read_key_crt();
+}
+
+void test_dump(void){
+ char lstr[16];
+ int len;
+ cli_putstr("\r\nenter dump length: ");
+ cli_getsn(lstr, 15);
+ len = own_atou(lstr);
+ cli_putstr("\r\ndumping 0x");
+ cli_hexdump_rev(&len, 2);
+ cli_putstr(" byte:");
+ cli_hexdump_block(pub_key.modulus.wordv, len, 4, 8);
+}
+
+/*****************************************************************************
+ * main *
+ *****************************************************************************/
+
+const char echo_test_str[] = "echo-test";
+const char reset_prng_str[] = "reset-prng";
+const char load_key_str[] = "load-key";
+const char load_fix_key_str[] = "load-fix-key";
+const char quick_test_str[] = "quick-test";
+const char sha1_test_str[] = "sha1-test";
+const char dump_test_str[] = "dump-test";
+const char performance_str[] = "performance";
+const char echo_str[] = "echo";
+
+const cmdlist_entry_t cmdlist[] = {
+ { reset_prng_str, NULL, reset_prng },
+ { load_key_str, NULL, load_key },
+ { load_fix_key_str, NULL, load_fix_rsa },
+ { quick_test_str, NULL, quick_test },
+ { sha1_test_str, NULL, run_sha1_test },
+ { dump_test_str, NULL, test_dump },
+// { performance_str, NULL, testrun_performance_bigint },
+ { echo_str, (void*)1, (void_fpt)echo_ctrl },
+ { NULL, NULL, NULL }
+};
+
+void dump_sp(void){
+ uint8_t x;
+ uint8_t *xa = &x;
+ cli_putstr("\r\nstack pointer: ~");
+ cli_hexdump_rev(&xa, 4);
+}
+
+int main (void){
+ main_setup();
+
+ for(;;){
+ welcome_msg(algo_name);
+ rsa_init();
+ cmd_interface(cmdlist);
+ }
+}