libtomcrypt/tests/rsa_test.c
2018-03-26 16:42:19 +02:00

769 lines
33 KiB
C

/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*/
#include <tomcrypt_test.h>
#if defined(LTC_MRSA)
#define RSA_MSGSIZE 78
/* These are test keys [see file test.key] that I use to test my import/export against */
static const unsigned char openssl_private_rsa[] = {
0x30, 0x82, 0x02, 0x5e, 0x02, 0x01, 0x00, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde, 0x64, 0x8a,
0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7, 0xa1, 0xb7,
0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96, 0x65, 0xe5,
0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60, 0x12, 0x8a,
0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b, 0xbf, 0x12,
0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68, 0x7c, 0x61,
0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4, 0xe2, 0x76,
0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a, 0x60, 0x3f,
0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01, 0x00, 0x01,
0x02, 0x81, 0x81, 0x00, 0xc8, 0x62, 0xb9, 0xea, 0xde, 0x44, 0x53, 0x1d, 0x56, 0x97, 0xd9, 0x97,
0x9e, 0x1a, 0xcf, 0x30, 0x1e, 0x0a, 0x88, 0x45, 0x86, 0x29, 0x30, 0xa3, 0x4d, 0x9f, 0x61, 0x65,
0x73, 0xe0, 0xd6, 0x87, 0x8f, 0xb6, 0xf3, 0x06, 0xa3, 0x82, 0xdc, 0x7c, 0xac, 0xfe, 0x9b, 0x28,
0x9a, 0xae, 0xfd, 0xfb, 0xfe, 0x2f, 0x0e, 0xd8, 0x97, 0x04, 0xe3, 0xbb, 0x1f, 0xd1, 0xec, 0x0d,
0xba, 0xa3, 0x49, 0x7f, 0x47, 0xac, 0x8a, 0x44, 0x04, 0x7e, 0x86, 0xb7, 0x39, 0x42, 0x3f, 0xad,
0x1e, 0xb7, 0x0e, 0xa5, 0x51, 0xf4, 0x40, 0x63, 0x1e, 0xfd, 0xbd, 0xea, 0x9f, 0x41, 0x9f, 0xa8,
0x90, 0x1d, 0x6f, 0x0a, 0x5a, 0x95, 0x13, 0x11, 0x0d, 0x80, 0xaf, 0x5f, 0x64, 0x98, 0x8a, 0x2c,
0x78, 0x68, 0x65, 0xb0, 0x2b, 0x8b, 0xa2, 0x53, 0x87, 0xca, 0xf1, 0x64, 0x04, 0xab, 0xf2, 0x7b,
0xdb, 0x83, 0xc8, 0x81, 0x02, 0x41, 0x00, 0xf7, 0xbe, 0x5e, 0x23, 0xc3, 0x32, 0x3f, 0xbf, 0x8b,
0x8e, 0x3a, 0xee, 0xfc, 0xfc, 0xcb, 0xe5, 0xf7, 0xf1, 0x0b, 0xbc, 0x42, 0x82, 0xae, 0xd5, 0x7a,
0x3e, 0xca, 0xf7, 0xd5, 0x69, 0x3f, 0x64, 0x25, 0xa2, 0x1f, 0xb7, 0x75, 0x75, 0x05, 0x92, 0x42,
0xeb, 0xb8, 0xf1, 0xf3, 0x0a, 0x05, 0xe3, 0x94, 0xd1, 0x55, 0x78, 0x35, 0xa0, 0x36, 0xa0, 0x9b,
0x7c, 0x92, 0x84, 0x6c, 0xdd, 0xdc, 0x4d, 0x02, 0x41, 0x00, 0xd6, 0x86, 0x0e, 0x85, 0x42, 0x0b,
0x04, 0x08, 0x84, 0x21, 0x60, 0xf0, 0x0e, 0x0d, 0x88, 0xfd, 0x1e, 0x36, 0x10, 0x65, 0x4f, 0x1e,
0x53, 0xb4, 0x08, 0x72, 0x80, 0x5c, 0x3f, 0x59, 0x66, 0x17, 0xe6, 0x98, 0xf2, 0xe9, 0x6c, 0x7a,
0x06, 0x4c, 0xac, 0x76, 0x3d, 0xed, 0x8c, 0xa1, 0xce, 0xad, 0x1b, 0xbd, 0xb4, 0x7d, 0x28, 0xbc,
0xe3, 0x0e, 0x38, 0x8d, 0x99, 0xd8, 0x05, 0xb5, 0xa3, 0x71, 0x02, 0x40, 0x6d, 0xeb, 0xc3, 0x2d,
0x2e, 0xf0, 0x5e, 0xa4, 0x88, 0x31, 0x05, 0x29, 0x00, 0x8a, 0xd1, 0x95, 0x29, 0x9b, 0x83, 0xcf,
0x75, 0xdb, 0x31, 0xe3, 0x7a, 0x27, 0xde, 0x3a, 0x74, 0x30, 0x0c, 0x76, 0x4c, 0xd4, 0x50, 0x2a,
0x40, 0x2d, 0x39, 0xd9, 0x99, 0x63, 0xa9, 0x5d, 0x80, 0xae, 0x53, 0xca, 0x94, 0x3f, 0x05, 0x23,
0x1e, 0xf8, 0x05, 0x04, 0xe1, 0xb8, 0x35, 0xf2, 0x17, 0xb3, 0xa0, 0x89, 0x02, 0x41, 0x00, 0xab,
0x90, 0x88, 0xfa, 0x60, 0x08, 0x29, 0x50, 0x9a, 0x43, 0x8b, 0xa0, 0x50, 0xcc, 0xd8, 0x5a, 0xfe,
0x97, 0x64, 0x63, 0x71, 0x74, 0x22, 0xa3, 0x20, 0x02, 0x5a, 0xcf, 0xeb, 0xc6, 0x16, 0x95, 0x54,
0xd1, 0xcb, 0xab, 0x8d, 0x1a, 0xc6, 0x00, 0xfa, 0x08, 0x92, 0x9c, 0x71, 0xd5, 0x52, 0x52, 0x35,
0x96, 0x71, 0x4b, 0x8b, 0x92, 0x0c, 0xd0, 0xe9, 0xbf, 0xad, 0x63, 0x0b, 0xa5, 0xe9, 0xb1, 0x02,
0x41, 0x00, 0xdc, 0xcc, 0x27, 0xc8, 0xe4, 0xdc, 0x62, 0x48, 0xd5, 0x9b, 0xaf, 0xf5, 0xab, 0x60,
0xf6, 0x21, 0xfd, 0x53, 0xe2, 0xb7, 0x5d, 0x09, 0xc9, 0x1a, 0xa1, 0x04, 0xa9, 0xfc, 0x61, 0x2c,
0x5d, 0x04, 0x58, 0x3a, 0x5a, 0x39, 0xf1, 0x4a, 0x21, 0x56, 0x67, 0xfd, 0xcc, 0x20, 0xa3, 0x8f,
0x78, 0x18, 0x5a, 0x79, 0x3d, 0x2e, 0x8e, 0x7e, 0x86, 0x0a, 0xe6, 0xa8, 0x33, 0xc1, 0x04, 0x17,
0x4a, 0x9f, };
static const char x509_public_rsa[] =
"MIICdTCCAd4CCQCYjCwz0l9JpjANBgkqhkiG9w0BAQsFADB+MQswCQYDVQQGEwJD\
WjEPMA0GA1UECAwGTW9yYXZhMQ0wCwYDVQQHDARCcm5vMRAwDgYDVQQKDAdMVEMg\
THRkMQ8wDQYDVQQLDAZDcnlwdG8xEjAQBgNVBAMMCVRlc3QgQ2VydDEYMBYGCSqG\
SIb3DQEJARYJdGVzdEBjZXJ0MCAXDTE3MDMwOTIzNDMzOVoYDzIyOTAxMjIyMjM0\
MzM5WjB+MQswCQYDVQQGEwJDWjEPMA0GA1UECAwGTW9yYXZhMQ0wCwYDVQQHDARC\
cm5vMRAwDgYDVQQKDAdMVEMgTHRkMQ8wDQYDVQQLDAZDcnlwdG8xEjAQBgNVBAMM\
CVRlc3QgQ2VydDEYMBYGCSqGSIb3DQEJARYJdGVzdEBjZXJ0MIGfMA0GCSqGSIb3\
DQEBAQUAA4GNADCBiQKBgQDPmt5kitrIMyCp14MxGVSymoWnobd1M7aprIQks97b\
fYUtlmXlP3KVJJ8oaMpP20QcPmASit0mpev/C17UiDhJKm5bvxI3R70Fa7zb8+7k\
EY5BaHxhE9dCyIC+No/cCItPrKTidgzJY2xJWJPtzKrcJTsKYD+LVDrDTTHnlKRE\
/QIDAQABMA0GCSqGSIb3DQEBCwUAA4GBAApwWqupmmLGHeKOLFLcthQpAXXYep6T\
3S3e8X7fIG6TGhfvn5DHn+/V/C4184oOCwImI+VYRokdXdQ1AMGfVUomHJxsFPia\
bv5Aw3hiKsIG3jigKHwmMScgkl3yn+8hLkx6thNbqQoa6Yyo20RqaEFBwlZ5G8lF\
rZsdeO84SeCH";
static const unsigned char pkcs8_private_rsa[] = {
0x30, 0x82, 0x02, 0x78, 0x02, 0x01, 0x00, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x02, 0x62, 0x30, 0x82, 0x02, 0x5e, 0x02, 0x01,
0x00, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde, 0x64, 0x8a, 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7,
0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7, 0xa1, 0xb7, 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84,
0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96, 0x65, 0xe5, 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28,
0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60, 0x12, 0x8a, 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b,
0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b, 0xbf, 0x12, 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc,
0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68, 0x7c, 0x61, 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe,
0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4, 0xe2, 0x76, 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58,
0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a, 0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31,
0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x81, 0x81, 0x00, 0xc8, 0x62,
0xb9, 0xea, 0xde, 0x44, 0x53, 0x1d, 0x56, 0x97, 0xd9, 0x97, 0x9e, 0x1a, 0xcf, 0x30, 0x1e, 0x0a,
0x88, 0x45, 0x86, 0x29, 0x30, 0xa3, 0x4d, 0x9f, 0x61, 0x65, 0x73, 0xe0, 0xd6, 0x87, 0x8f, 0xb6,
0xf3, 0x06, 0xa3, 0x82, 0xdc, 0x7c, 0xac, 0xfe, 0x9b, 0x28, 0x9a, 0xae, 0xfd, 0xfb, 0xfe, 0x2f,
0x0e, 0xd8, 0x97, 0x04, 0xe3, 0xbb, 0x1f, 0xd1, 0xec, 0x0d, 0xba, 0xa3, 0x49, 0x7f, 0x47, 0xac,
0x8a, 0x44, 0x04, 0x7e, 0x86, 0xb7, 0x39, 0x42, 0x3f, 0xad, 0x1e, 0xb7, 0x0e, 0xa5, 0x51, 0xf4,
0x40, 0x63, 0x1e, 0xfd, 0xbd, 0xea, 0x9f, 0x41, 0x9f, 0xa8, 0x90, 0x1d, 0x6f, 0x0a, 0x5a, 0x95,
0x13, 0x11, 0x0d, 0x80, 0xaf, 0x5f, 0x64, 0x98, 0x8a, 0x2c, 0x78, 0x68, 0x65, 0xb0, 0x2b, 0x8b,
0xa2, 0x53, 0x87, 0xca, 0xf1, 0x64, 0x04, 0xab, 0xf2, 0x7b, 0xdb, 0x83, 0xc8, 0x81, 0x02, 0x41,
0x00, 0xf7, 0xbe, 0x5e, 0x23, 0xc3, 0x32, 0x3f, 0xbf, 0x8b, 0x8e, 0x3a, 0xee, 0xfc, 0xfc, 0xcb,
0xe5, 0xf7, 0xf1, 0x0b, 0xbc, 0x42, 0x82, 0xae, 0xd5, 0x7a, 0x3e, 0xca, 0xf7, 0xd5, 0x69, 0x3f,
0x64, 0x25, 0xa2, 0x1f, 0xb7, 0x75, 0x75, 0x05, 0x92, 0x42, 0xeb, 0xb8, 0xf1, 0xf3, 0x0a, 0x05,
0xe3, 0x94, 0xd1, 0x55, 0x78, 0x35, 0xa0, 0x36, 0xa0, 0x9b, 0x7c, 0x92, 0x84, 0x6c, 0xdd, 0xdc,
0x4d, 0x02, 0x41, 0x00, 0xd6, 0x86, 0x0e, 0x85, 0x42, 0x0b, 0x04, 0x08, 0x84, 0x21, 0x60, 0xf0,
0x0e, 0x0d, 0x88, 0xfd, 0x1e, 0x36, 0x10, 0x65, 0x4f, 0x1e, 0x53, 0xb4, 0x08, 0x72, 0x80, 0x5c,
0x3f, 0x59, 0x66, 0x17, 0xe6, 0x98, 0xf2, 0xe9, 0x6c, 0x7a, 0x06, 0x4c, 0xac, 0x76, 0x3d, 0xed,
0x8c, 0xa1, 0xce, 0xad, 0x1b, 0xbd, 0xb4, 0x7d, 0x28, 0xbc, 0xe3, 0x0e, 0x38, 0x8d, 0x99, 0xd8,
0x05, 0xb5, 0xa3, 0x71, 0x02, 0x40, 0x6d, 0xeb, 0xc3, 0x2d, 0x2e, 0xf0, 0x5e, 0xa4, 0x88, 0x31,
0x05, 0x29, 0x00, 0x8a, 0xd1, 0x95, 0x29, 0x9b, 0x83, 0xcf, 0x75, 0xdb, 0x31, 0xe3, 0x7a, 0x27,
0xde, 0x3a, 0x74, 0x30, 0x0c, 0x76, 0x4c, 0xd4, 0x50, 0x2a, 0x40, 0x2d, 0x39, 0xd9, 0x99, 0x63,
0xa9, 0x5d, 0x80, 0xae, 0x53, 0xca, 0x94, 0x3f, 0x05, 0x23, 0x1e, 0xf8, 0x05, 0x04, 0xe1, 0xb8,
0x35, 0xf2, 0x17, 0xb3, 0xa0, 0x89, 0x02, 0x41, 0x00, 0xab, 0x90, 0x88, 0xfa, 0x60, 0x08, 0x29,
0x50, 0x9a, 0x43, 0x8b, 0xa0, 0x50, 0xcc, 0xd8, 0x5a, 0xfe, 0x97, 0x64, 0x63, 0x71, 0x74, 0x22,
0xa3, 0x20, 0x02, 0x5a, 0xcf, 0xeb, 0xc6, 0x16, 0x95, 0x54, 0xd1, 0xcb, 0xab, 0x8d, 0x1a, 0xc6,
0x00, 0xfa, 0x08, 0x92, 0x9c, 0x71, 0xd5, 0x52, 0x52, 0x35, 0x96, 0x71, 0x4b, 0x8b, 0x92, 0x0c,
0xd0, 0xe9, 0xbf, 0xad, 0x63, 0x0b, 0xa5, 0xe9, 0xb1, 0x02, 0x41, 0x00, 0xdc, 0xcc, 0x27, 0xc8,
0xe4, 0xdc, 0x62, 0x48, 0xd5, 0x9b, 0xaf, 0xf5, 0xab, 0x60, 0xf6, 0x21, 0xfd, 0x53, 0xe2, 0xb7,
0x5d, 0x09, 0xc9, 0x1a, 0xa1, 0x04, 0xa9, 0xfc, 0x61, 0x2c, 0x5d, 0x04, 0x58, 0x3a, 0x5a, 0x39,
0xf1, 0x4a, 0x21, 0x56, 0x67, 0xfd, 0xcc, 0x20, 0xa3, 0x8f, 0x78, 0x18, 0x5a, 0x79, 0x3d, 0x2e,
0x8e, 0x7e, 0x86, 0x0a, 0xe6, 0xa8, 0x33, 0xc1, 0x04, 0x17, 0x4a, 0x9f };
/* private key - hexadecimal */
enum {
pk_d ,
pk_dP,
pk_dQ,
pk_e ,
pk_N ,
pk_p ,
pk_q ,
pk_qP,
};
static const char *hex_key[] = {
"C862B9EADE44531D5697D9979E1ACF301E0A8845862930A34D9F616573E0D6878FB6F306A382DC7CACFE9B289AAEFDFBFE2F0ED89704E3BB1FD1EC0DBAA3497F47AC8A44047E86B739423FAD1EB70EA551F440631EFDBDEA9F419FA8901D6F0A5A9513110D80AF5F64988A2C786865B02B8BA25387CAF16404ABF27BDB83C881",
"6DEBC32D2EF05EA488310529008AD195299B83CF75DB31E37A27DE3A74300C764CD4502A402D39D99963A95D80AE53CA943F05231EF80504E1B835F217B3A089",
"AB9088FA600829509A438BA050CCD85AFE976463717422A320025ACFEBC6169554D1CBAB8D1AC600FA08929C71D552523596714B8B920CD0E9BFAD630BA5E9B1",
"010001",
"CF9ADE648ADAC83320A9D783311954B29A85A7A1B77533B6A9AC8424B3DEDB7D852D9665E53F7295249F2868CA4FDB441C3E60128ADD26A5EBFF0B5ED48838492A6E5BBF123747BD056BBCDBF3EEE4118E41687C6113D742C880BE368FDC088B4FACA4E2760CC9636C495893EDCCAADC253B0A603F8B543AC34D31E794A444FD",
"F7BE5E23C3323FBF8B8E3AEEFCFCCBE5F7F10BBC4282AED57A3ECAF7D5693F6425A21FB77575059242EBB8F1F30A05E394D1557835A036A09B7C92846CDDDC4D",
"D6860E85420B0408842160F00E0D88FD1E3610654F1E53B40872805C3F596617E698F2E96C7A064CAC763DED8CA1CEAD1BBDB47D28BCE30E388D99D805B5A371",
"DCCC27C8E4DC6248D59BAFF5AB60F621FD53E2B75D09C91AA104A9FC612C5D04583A5A39F14A215667FDCC20A38F78185A793D2E8E7E860AE6A833C104174A9F" };
/*** openssl public RSA key in DER format */
static const unsigned char openssl_public_rsa[] = {
0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01,
0x05, 0x00, 0x03, 0x81, 0x8d, 0x00, 0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde,
0x64, 0x8a, 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7,
0xa1, 0xb7, 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96,
0x65, 0xe5, 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60,
0x12, 0x8a, 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b,
0xbf, 0x12, 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68,
0x7c, 0x61, 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4,
0xe2, 0x76, 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a,
0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01,
0x00, 0x01, };
/* same key but with extra headers stripped */
static const unsigned char openssl_public_rsa_stripped[] = {
0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde,
0x64, 0x8a, 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7,
0xa1, 0xb7, 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96,
0x65, 0xe5, 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60,
0x12, 0x8a, 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b,
0xbf, 0x12, 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68,
0x7c, 0x61, 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4,
0xe2, 0x76, 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a,
0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01,
0x00, 0x01, };
/* generated with the private key above as:
echo -n 'test' | openssl rsautl -sign -inkey rsa_private.pem -pkcs -hexdump
*/
static const unsigned char openssl_rsautl_pkcs[] = {
0x24, 0xef, 0x54, 0xea, 0x1a, 0x12, 0x0c, 0xf4, 0x04, 0x0c, 0x48, 0xc8, 0xe8, 0x17, 0xd2, 0x6f,
0xc3, 0x41, 0xb3, 0x97, 0x5c, 0xbc, 0xa3, 0x2d, 0x21, 0x00, 0x10, 0x0e, 0xbb, 0xf7, 0x30, 0x21,
0x7e, 0x12, 0xd2, 0xdf, 0x26, 0x28, 0xd8, 0x0f, 0x6d, 0x4d, 0xc8, 0x4d, 0xa8, 0x78, 0xe7, 0x03,
0xee, 0xbc, 0x68, 0xba, 0x98, 0xea, 0xe9, 0xb6, 0x06, 0x8d, 0x85, 0x5b, 0xdb, 0xa6, 0x49, 0x86,
0x6f, 0xc7, 0x3d, 0xe0, 0x53, 0x83, 0xe0, 0xea, 0xb1, 0x08, 0x6a, 0x7b, 0xbd, 0xeb, 0xb5, 0x4a,
0xdd, 0xbc, 0x64, 0x97, 0x8c, 0x17, 0x20, 0xa3, 0x5c, 0xd4, 0xb8, 0x87, 0x43, 0xc5, 0x13, 0xad,
0x41, 0x6e, 0x45, 0x41, 0x32, 0xd4, 0x09, 0x12, 0x7f, 0xdc, 0x59, 0x1f, 0x28, 0x3f, 0x1e, 0xbc,
0xef, 0x57, 0x23, 0x4b, 0x3a, 0xa3, 0x24, 0x91, 0x4d, 0xfb, 0xb2, 0xd4, 0xe7, 0x5e, 0x41, 0x7e,
};
extern const char _der_tests_cacert_root_cert[];
extern const unsigned long _der_tests_cacert_root_cert_size;
static int rsa_compat_test(void)
{
rsa_key key, pubkey;
int stat, i;
unsigned char buf[1024], key_parts[8][128];
unsigned long len, key_lens[8];
/* try reading the key */
DO(rsa_import(openssl_private_rsa, sizeof(openssl_private_rsa), &key));
DO(rsa_import(openssl_public_rsa, sizeof(openssl_public_rsa), &pubkey));
/* sign-verify a message with PKCS #1 v1.5 no ASN.1 */
len = sizeof(buf);
DO(rsa_sign_hash_ex((unsigned char*)"test", 4, buf, &len, LTC_PKCS_1_V1_5_NA1, NULL, 0, 0, 0, &key));
if (len != sizeof(openssl_rsautl_pkcs) || memcmp(buf, openssl_rsautl_pkcs, len)) {
fprintf(stderr, "RSA rsa_sign_hash_ex + LTC_PKCS_1_V1_5_NA1 failed\n");
return 1;
}
stat = 0;
DO(rsa_verify_hash_ex(openssl_rsautl_pkcs, sizeof(openssl_rsautl_pkcs), (unsigned char*)"test", 4, LTC_PKCS_1_V1_5_NA1, 0, 0, &stat, &pubkey));
if (stat != 1) {
fprintf(stderr, "RSA rsa_verify_hash_ex + LTC_PKCS_1_V1_5_NA1 failed\n");
return 1;
}
rsa_free(&pubkey);
/* now try to export private/public and compare */
len = sizeof(buf);
DO(rsa_export(buf, &len, PK_PRIVATE, &key));
DO(do_compare_testvector(buf, len, openssl_private_rsa, sizeof(openssl_private_rsa), "RSA private export (from OpenSSL)", 0));
len = sizeof(buf);
DO(rsa_export(buf, &len, PK_PUBLIC, &key));
DO(do_compare_testvector(buf, len, openssl_public_rsa_stripped, sizeof(openssl_public_rsa_stripped), "RSA public export (from OpenSSL private key)", 0));
rsa_free(&key);
/* try reading the public key */
DO(rsa_import(openssl_public_rsa_stripped, sizeof(openssl_public_rsa_stripped), &key));
len = sizeof(buf);
DO(rsa_export(buf, &len, PK_PUBLIC, &key));
DO(do_compare_testvector(buf, len, openssl_public_rsa_stripped, sizeof(openssl_public_rsa_stripped), "RSA public export (from stripped OpenSSL)", 0));
rsa_free(&key);
/* try reading the public key */
DO(rsa_import(openssl_public_rsa, sizeof(openssl_public_rsa), &key));
len = sizeof(buf);
DO(rsa_export(buf, &len, PK_PUBLIC, &key));
DO(do_compare_testvector(buf, len, openssl_public_rsa_stripped, sizeof(openssl_public_rsa_stripped), "RSA public export (from OpenSSL)", 0));
rsa_free(&key);
/* try import private key in pkcs8 format */
DO(rsa_import_pkcs8(pkcs8_private_rsa, sizeof(pkcs8_private_rsa), NULL, 0, &key));
len = sizeof(buf);
DO(rsa_export(buf, &len, PK_PRIVATE, &key));
DO(do_compare_testvector(buf, len, openssl_private_rsa, sizeof(openssl_private_rsa), "RSA private export (from PKCS#8)", 0));
rsa_free(&key);
/* convert raw hexadecimal numbers to binary */
for (i = 0; i < 8; ++i) {
key_lens[i] = sizeof(key_parts[i]);
DO(radix_to_bin(hex_key[i], 16, key_parts[i], &key_lens[i]));
}
/* try import private key from converted raw hexadecimal numbers */
DO(rsa_set_key(key_parts[pk_N], key_lens[pk_N], key_parts[pk_e], key_lens[pk_e], key_parts[pk_d], key_lens[pk_d], &key));
DO(rsa_set_factors(key_parts[pk_p], key_lens[pk_p], key_parts[pk_q], key_lens[pk_q], &key));
DO(rsa_set_crt_params(key_parts[pk_dP], key_lens[pk_dP], key_parts[pk_dQ], key_lens[pk_dQ], key_parts[pk_qP], key_lens[pk_qP], &key));
len = sizeof(buf);
DO(rsa_export(buf, &len, PK_PRIVATE, &key));
DO(do_compare_testvector(buf, len, openssl_private_rsa, sizeof(openssl_private_rsa), "RSA private export (from hex)", 0));
rsa_free(&key);
/* try import public key from converted raw hexadecimal numbers */
DO(rsa_set_key(key_parts[pk_N], key_lens[pk_N], key_parts[pk_e], key_lens[pk_e], NULL, 0, &key));
len = sizeof(buf);
DO(rsa_export(buf, &len, PK_PUBLIC, &key));
DO(do_compare_testvector(buf, len, openssl_public_rsa_stripped, sizeof(openssl_public_rsa_stripped), "RSA public export (from hex)", 0));
rsa_free(&key);
/* try export in SubjectPublicKeyInfo format of the public key */
DO(rsa_import(openssl_public_rsa, sizeof(openssl_public_rsa), &key));
len = sizeof(buf);
DO(rsa_export(buf, &len, PK_PUBLIC | PK_STD, &key));
if (len != sizeof(openssl_public_rsa) || memcmp(buf, openssl_public_rsa, len)) {
fprintf(stderr, "RSA(public) SSL public X.509 export failed to match OpenSSL output\n");
print_hex("should", openssl_public_rsa, sizeof(openssl_public_rsa));
print_hex("is", buf, len);
return 1;
}
rsa_free(&key);
return 0;
}
static int _rsa_key_cmp(const int should_type, const rsa_key *should, const rsa_key *is)
{
if(should_type != is->type)
return CRYPT_ERROR;
if(should_type == PK_PRIVATE) {
if(mp_cmp(should->q, is->q) != LTC_MP_EQ)
return CRYPT_ERROR;
if(mp_cmp(should->p, is->p) != LTC_MP_EQ)
return CRYPT_ERROR;
if(mp_cmp(should->qP, is->qP) != LTC_MP_EQ)
return CRYPT_ERROR;
if(mp_cmp(should->dP, is->dP) != LTC_MP_EQ)
return CRYPT_ERROR;
if(mp_cmp(should->dQ, is->dQ) != LTC_MP_EQ)
return CRYPT_ERROR;
if(mp_cmp(should->d, is->d) != LTC_MP_EQ)
return CRYPT_ERROR;
}
if(mp_cmp(should->N, is->N) != LTC_MP_EQ)
return CRYPT_ERROR;
if(mp_cmp(should->e, is->e) != LTC_MP_EQ)
return CRYPT_ERROR;
return CRYPT_OK;
}
static int _rsa_issue_301(int prng_idx)
{
rsa_key key, key_in;
unsigned char buf[4096];
unsigned long len;
DO(rsa_make_key(&yarrow_prng, prng_idx, sizeof(buf)/8, 65537, &key));
len = sizeof(buf);
DO(rsa_export(buf, &len, PK_PRIVATE, &key));
DO(rsa_import(buf, len, &key_in));
DO(_rsa_key_cmp(PK_PRIVATE, &key, &key_in));
rsa_free(&key_in);
len = sizeof(buf);
DO(rsa_export(buf, &len, PK_PUBLIC, &key));
DO(rsa_import(buf, len, &key_in));
DO(_rsa_key_cmp(PK_PUBLIC, &key, &key_in));
rsa_free(&key_in);
len = sizeof(buf);
DO(rsa_export(buf, &len, PK_PUBLIC | PK_STD, &key));
DO(rsa_import(buf, len, &key_in));
DO(_rsa_key_cmp(PK_PUBLIC, &key, &key_in));
rsa_free(&key_in);
rsa_free(&key);
return CRYPT_OK;
}
#if !((defined(_WIN32) || defined(_WIN32_WCE)) && !defined(__GNUC__))
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
static off_t fsize(const char *filename)
{
struct stat st;
if (stat(filename, &st) == 0) return st.st_size;
return -1;
}
static int _rsa_size_test(void)
{
DIR *d = opendir("tests/rsa");
struct dirent *de;
char fname[PATH_MAX];
void* buf = NULL;
FILE *f = NULL;
off_t fsz;
unsigned long sz;
int err = CRYPT_FILE_NOTFOUND;
rsa_key k;
if (d == NULL)
return CRYPT_FILE_NOTFOUND;
while((de = readdir(d)) != NULL) {
fname[0] = '\0';
if (strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0)
continue;
strcat(fname, "tests/rsa/");
strcat(fname, de->d_name);
fsz = fsize(fname);
if (fsz == -1)
break;
/* here we use the filesize as indicator for the rsa size
* that would fail to import for tfm because it's fixed-size
*/
if ((strcmp(ltc_mp.name, "TomsFastMath") == 0) && (fsz > 2048)) {
#if defined(LTC_TEST_DBG) && LTC_TEST_DBG > 1
fprintf(stderr, "TomsFastMath skip: %s\n", fname);
#endif
continue;
}
#if defined(LTC_TEST_DBG) && LTC_TEST_DBG > 1
fprintf(stderr, "Try to import %s\n", fname);
#endif
f = fopen(fname, "rb");
sz = fsz;
buf = XMALLOC(fsz);
if (fread(buf, 1, sz, f) != sz) {
err = CRYPT_ERROR;
break;
}
if ((err = rsa_import_x509(buf, sz, &k)) == CRYPT_OK) {
rsa_free(&k);
} else {
#if defined(LTC_TEST_DBG)
fprintf(stderr, "Could not import RSA key of %s: %s\n\n", fname, error_to_string(err));
#endif
break;
}
XFREE(buf);
buf = NULL;
fclose(f);
f = NULL;
}
if (buf != NULL) XFREE(buf);
if (f != NULL) fclose(f);
closedir(d);
return err;
}
#endif
int rsa_test(void)
{
unsigned char in[1024], out[1024], tmp[3072];
rsa_key key, privKey, pubKey;
int hash_idx, prng_idx, stat, stat2, i, err;
unsigned long rsa_msgsize, len, len2, len3, cnt, cnt2;
static unsigned char lparam[] = { 0x01, 0x02, 0x03, 0x04 };
void* dP;
unsigned char* p;
unsigned char* p2;
unsigned char* p3;
if (ltc_mp.name == NULL) return CRYPT_NOP;
if (rsa_compat_test() != 0) {
return 1;
}
hash_idx = find_hash("sha1");
prng_idx = find_prng("yarrow");
if (hash_idx == -1 || prng_idx == -1) {
fprintf(stderr, "rsa_test requires LTC_SHA1 and yarrow");
return 1;
}
#if !((defined(_WIN32) || defined(_WIN32_WCE)) && !defined(__GNUC__))
DO(_rsa_size_test());
#endif
DO(_rsa_issue_301(prng_idx));
/* make 10 random key */
for (cnt = 0; cnt < 10; cnt++) {
DO(rsa_make_key(&yarrow_prng, prng_idx, 1024/8, 65537, &key));
if (mp_count_bits(key.N) != 1024) {
fprintf(stderr, "rsa_1024 key modulus has %d bits\n", mp_count_bits(key.N));
len = mp_unsigned_bin_size(key.N);
mp_to_unsigned_bin(key.N, tmp);
print_hex("N", tmp, len);
len = mp_unsigned_bin_size(key.p);
mp_to_unsigned_bin(key.p, tmp);
print_hex("p", tmp, len);
len = mp_unsigned_bin_size(key.q);
mp_to_unsigned_bin(key.q, tmp);
print_hex("q", tmp, len);
return 1;
}
if (cnt != 9) {
rsa_free(&key);
}
}
/* encrypt the key (without lparam) */
for (cnt = 0; cnt < 4; cnt++) {
for (rsa_msgsize = 1; rsa_msgsize <= 86; rsa_msgsize++) {
/* make a random key/msg */
yarrow_read(in, rsa_msgsize, &yarrow_prng);
len = sizeof(out);
len2 = rsa_msgsize;
DO(rsa_encrypt_key(in, rsa_msgsize, out, &len, NULL, 0, &yarrow_prng, prng_idx, hash_idx, &key));
/* change a byte */
out[8] ^= 1;
DOX((err = rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat2, &key))
== CRYPT_INVALID_PACKET ? CRYPT_OK:err, "should fail");
/* change a byte back */
out[8] ^= 1;
if (len2 != rsa_msgsize) {
fprintf(stderr, "\n%i:rsa_decrypt_key mismatch len %lu (first decrypt)", __LINE__, len2);
return 1;
}
len2 = rsa_msgsize;
DO(rsa_decrypt_key(out, len, tmp, &len2, NULL, 0, hash_idx, &stat, &key));
if (!(stat == 1 && stat2 == 0)) {
fprintf(stderr, "rsa_decrypt_key (without lparam) failed (rsa_msgsize = %lu)", rsa_msgsize);
fprintf(stderr, "\n stat: %i stat2: %i", stat, stat2);
return 1;
}
if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) {
fprintf(stderr, "\nrsa_decrypt_key mismatch, len %lu (second decrypt)\n", len2);
print_hex("Original", in, rsa_msgsize);
print_hex("Output", tmp, len2);
return 1;
}
}
}
/* encrypt the key (with lparam) */
for (rsa_msgsize = 1; rsa_msgsize <= 86; rsa_msgsize++) {
len = sizeof(out);
len2 = rsa_msgsize;
DO(rsa_encrypt_key(in, rsa_msgsize, out, &len, lparam, sizeof(lparam), &yarrow_prng, prng_idx, hash_idx, &key));
/* change a byte */
out[8] ^= 1;
DOX((err = rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat2, &key))
== CRYPT_INVALID_PACKET ? CRYPT_OK:err, "should fail");
if (len2 != rsa_msgsize) {
fprintf(stderr, "\n%i:rsa_decrypt_key mismatch len %lu (first decrypt)", __LINE__, len2);
return 1;
}
/* change a byte back */
out[8] ^= 1;
len2 = rsa_msgsize;
DO(rsa_decrypt_key(out, len, tmp, &len2, lparam, sizeof(lparam), hash_idx, &stat, &key));
if (!(stat == 1 && stat2 == 0)) {
fprintf(stderr, "rsa_decrypt_key (with lparam) failed (rsa_msgsize = %lu)", rsa_msgsize);
return 1;
}
if (len2 != rsa_msgsize || memcmp(tmp, in, rsa_msgsize)) {
fprintf(stderr, "rsa_decrypt_key mismatch len %lu", len2);
print_hex("Original", in, rsa_msgsize);
print_hex("Output", tmp, len2);
return 1;
}
}
/* encrypt the key PKCS #1 v1.5 (payload from 1 to 117 bytes) */
for (rsa_msgsize = 1; rsa_msgsize <= 117; rsa_msgsize++) {
len = sizeof(out);
len2 = rsa_msgsize;
/* make a random key/msg */
yarrow_read(in, rsa_msgsize, &yarrow_prng);
DO(rsa_encrypt_key_ex(in, rsa_msgsize, out, &len, NULL, 0, &yarrow_prng, prng_idx, 0, LTC_PKCS_1_V1_5, &key));
len2 = rsa_msgsize;
DO(rsa_decrypt_key_ex(out, len, tmp, &len2, NULL, 0, 0, LTC_PKCS_1_V1_5, &stat, &key));
if (stat != 1) {
fprintf(stderr, "rsa_decrypt_key_ex failed, %d, %d", stat, stat2);
return 1;
}
if (len2 != rsa_msgsize) {
fprintf(stderr, "rsa_decrypt_key_ex mismatch len %lu", len2);
return 1;
}
if (memcmp(tmp, in, rsa_msgsize)) {
fprintf(stderr, "rsa_decrypt_key_ex mismatch data");
print_hex("Original", in, rsa_msgsize);
print_hex("Output", tmp, rsa_msgsize);
return 1;
}
}
/* sign a message (unsalted, lower cholestorol and Atkins approved) now */
len = sizeof(out);
DO(rsa_sign_hash(in, 20, out, &len, &yarrow_prng, prng_idx, hash_idx, 0, &key));
/* export key and import as both private and public */
len2 = sizeof(tmp);
DO(rsa_export(tmp, &len2, PK_PRIVATE, &key));
DO(rsa_import(tmp, len2, &privKey));
len2 = sizeof(tmp);
DO(rsa_export(tmp, &len2, PK_PUBLIC, &key));
DO(rsa_import(tmp, len2, &pubKey));
/* verify with original */
DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &key));
/* change a byte */
in[0] ^= 1;
DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &key));
if (!(stat == 1 && stat2 == 0)) {
fprintf(stderr, "rsa_verify_hash (unsalted, origKey) failed, %d, %d", stat, stat2);
rsa_free(&key);
rsa_free(&pubKey);
rsa_free(&privKey);
return 1;
}
/* verify with privKey */
/* change byte back to original */
in[0] ^= 1;
DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &privKey));
/* change a byte */
in[0] ^= 1;
DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &privKey));
if (!(stat == 1 && stat2 == 0)) {
fprintf(stderr, "rsa_verify_hash (unsalted, privKey) failed, %d, %d", stat, stat2);
rsa_free(&key);
rsa_free(&pubKey);
rsa_free(&privKey);
return 1;
}
/* verify with privKey but remove pointer to dP to test without CRT */
dP = privKey.dP;
privKey.dP = NULL;
/* change byte back to original */
in[0] ^= 1;
DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &privKey));
/* change a byte */
in[0] ^= 1;
DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &privKey));
if (!(stat == 1 && stat2 == 0)) {
fprintf(stderr, "rsa_verify_hash (unsalted, privKey) failed, %d, %d", stat, stat2);
rsa_free(&key);
rsa_free(&pubKey);
rsa_free(&privKey);
return 1;
}
privKey.dP = dP;
/* verify with pubKey */
/* change byte back to original */
in[0] ^= 1;
DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat, &pubKey));
/* change a byte */
in[0] ^= 1;
DO(rsa_verify_hash(out, len, in, 20, hash_idx, 0, &stat2, &pubKey));
if (!(stat == 1 && stat2 == 0)) {
fprintf(stderr, "rsa_verify_hash (unsalted, pubkey) failed, %d, %d", stat, stat2);
rsa_free(&key);
rsa_free(&pubKey);
rsa_free(&privKey);
return 1;
}
/* sign a message (salted) now (use privKey to make, pubKey to verify) */
len = sizeof(out);
DO(rsa_sign_hash(in, 20, out, &len, &yarrow_prng, prng_idx, hash_idx, 8, &privKey));
DO(rsa_verify_hash(out, len, in, 20, hash_idx, 8, &stat, &pubKey));
/* change a byte */
in[0] ^= 1;
DO(rsa_verify_hash(out, len, in, 20, hash_idx, 8, &stat2, &pubKey));
if (!(stat == 1 && stat2 == 0)) {
fprintf(stderr, "rsa_verify_hash (salted) failed, %d, %d", stat, stat2);
rsa_free(&key);
rsa_free(&pubKey);
rsa_free(&privKey);
return 1;
}
/* sign a message with PKCS #1 v1.5 */
len = sizeof(out);
DO(rsa_sign_hash_ex(in, 20, out, &len, LTC_PKCS_1_V1_5, &yarrow_prng, prng_idx, hash_idx, 8, &privKey));
DO(rsa_verify_hash_ex(out, len, in, 20, LTC_PKCS_1_V1_5, hash_idx, 8, &stat, &pubKey));
/* change a byte */
in[0] ^= 1;
DO(rsa_verify_hash_ex(out, len, in, 20, LTC_PKCS_1_V1_5, hash_idx, 8, &stat2, &pubKey));
if (!(stat == 1 && stat2 == 0)) {
fprintf(stderr, "rsa_verify_hash_ex failed, %d, %d", stat, stat2);
rsa_free(&key);
rsa_free(&pubKey);
rsa_free(&privKey);
return 1;
}
/* Testcase for Bleichenbacher attack
*
* (1) Create a valid signature
* (2) Check that it can be verified
* (3) Decrypt the package to fetch plain text
* (4) Forge the structure of PKCS#1-EMSA encoded data
* (4.1) Search for start and end of the padding string
* (4.2) Move the signature to the front of the padding string
* (4.3) Zero the message until the end
* (5) Encrypt the package again
* (6) Profit :)
* For PS lengths < 8: the verification process should fail
* For PS lengths >= 8: the verification process should succeed
* For all PS lengths: the result should not be valid
*/
p = in;
p2 = out;
p3 = tmp;
for (i = 0; i < 9; ++i) {
len = sizeof(in);
len2 = sizeof(out);
/* (1) */
DO(rsa_sign_hash_ex(p, 20, p2, &len2, LTC_PKCS_1_V1_5, &yarrow_prng, prng_idx, hash_idx, 8, &privKey));
/* (2) */
DOX(rsa_verify_hash_ex(p2, len2, p, 20, LTC_PKCS_1_V1_5, hash_idx, -1, &stat, &pubKey), "should succeed");
DOX(stat == 1?CRYPT_OK:CRYPT_FAIL_TESTVECTOR, "should succeed");
len3 = sizeof(tmp);
/* (3) */
DO(ltc_mp.rsa_me(p2, len2, p3, &len3, PK_PUBLIC, &key));
/* (4) */
#if defined(LTC_TEST_DBG) && LTC_TEST_DBG > 1
print_hex("Original signature", p3, len3);
#endif
/* (4.1) */
for (cnt = 0; cnt < len3; ++cnt) {
if (p3[cnt] == 0xff)
break;
}
for (cnt2 = cnt+1; cnt2 < len3; ++cnt2) {
if (p3[cnt2] != 0xff)
break;
}
/* (4.2) */
memmove(&p3[cnt+i], &p3[cnt2], len3-cnt2);
/* (4.3) */
for (cnt = cnt + len3-cnt2+i; cnt < len; ++cnt) {
p3[cnt] = 0;
}
#if defined(LTC_TEST_DBG) && LTC_TEST_DBG > 1
print_hex("Forged signature", p3, len3);
#endif
len2 = sizeof(out);
/* (5) */
DO(ltc_mp.rsa_me(p3, len3, p2, &len2, PK_PRIVATE, &key));
len3 = sizeof(tmp);
/* (6) */
DOX(rsa_verify_hash_ex(p2, len2, p, 20, LTC_PKCS_1_V1_5, hash_idx, -1, &stat, &pubKey)
== CRYPT_INVALID_PACKET ? CRYPT_OK:CRYPT_INVALID_PACKET, "should fail");
DOX(stat == 0?CRYPT_OK:CRYPT_FAIL_TESTVECTOR, "should fail");
}
rsa_free(&key);
/* try reading the public RSA key from a X509 certificate */
len3 = sizeof(tmp);
DO(base64_decode(x509_public_rsa, sizeof(x509_public_rsa), tmp, &len3));
DO(rsa_import_x509(tmp, len3, &key));
len = sizeof(tmp);
DO(rsa_export(tmp, &len, PK_PUBLIC, &key));
if (len != sizeof(openssl_public_rsa_stripped) || memcmp(tmp, openssl_public_rsa_stripped, len)) {
fprintf(stderr, "RSA public export failed to match rsa_import_x509\n");
return 1;
}
rsa_free(&key);
len3 = sizeof(tmp);
DO(base64_decode(_der_tests_cacert_root_cert, _der_tests_cacert_root_cert_size, tmp, &len3));
DO(rsa_import_x509(tmp, len3, &key));
/* free the key and return */
rsa_free(&key);
rsa_free(&pubKey);
rsa_free(&privKey);
return 0;
}
#else
int rsa_test(void)
{
return CRYPT_NOP;
}
#endif
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */