556 lines
24 KiB
C
556 lines
24 KiB
C
#include <tomcrypt_test.h>
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#ifdef LTC_MRSA
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#define RSA_MSGSIZE 78
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/* These are test keys [see file test.key] that I use to test my import/export against */
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static const unsigned char openssl_private_rsa[] = {
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0x30, 0x82, 0x02, 0x5e, 0x02, 0x01, 0x00, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde, 0x64, 0x8a,
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0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7, 0xa1, 0xb7,
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0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96, 0x65, 0xe5,
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0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60, 0x12, 0x8a,
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0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b, 0xbf, 0x12,
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0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68, 0x7c, 0x61,
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0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4, 0xe2, 0x76,
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0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a, 0x60, 0x3f,
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0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01, 0x00, 0x01,
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0x02, 0x81, 0x81, 0x00, 0xc8, 0x62, 0xb9, 0xea, 0xde, 0x44, 0x53, 0x1d, 0x56, 0x97, 0xd9, 0x97,
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0x9e, 0x1a, 0xcf, 0x30, 0x1e, 0x0a, 0x88, 0x45, 0x86, 0x29, 0x30, 0xa3, 0x4d, 0x9f, 0x61, 0x65,
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0x73, 0xe0, 0xd6, 0x87, 0x8f, 0xb6, 0xf3, 0x06, 0xa3, 0x82, 0xdc, 0x7c, 0xac, 0xfe, 0x9b, 0x28,
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0x9a, 0xae, 0xfd, 0xfb, 0xfe, 0x2f, 0x0e, 0xd8, 0x97, 0x04, 0xe3, 0xbb, 0x1f, 0xd1, 0xec, 0x0d,
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0xba, 0xa3, 0x49, 0x7f, 0x47, 0xac, 0x8a, 0x44, 0x04, 0x7e, 0x86, 0xb7, 0x39, 0x42, 0x3f, 0xad,
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0x1e, 0xb7, 0x0e, 0xa5, 0x51, 0xf4, 0x40, 0x63, 0x1e, 0xfd, 0xbd, 0xea, 0x9f, 0x41, 0x9f, 0xa8,
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0x90, 0x1d, 0x6f, 0x0a, 0x5a, 0x95, 0x13, 0x11, 0x0d, 0x80, 0xaf, 0x5f, 0x64, 0x98, 0x8a, 0x2c,
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0x78, 0x68, 0x65, 0xb0, 0x2b, 0x8b, 0xa2, 0x53, 0x87, 0xca, 0xf1, 0x64, 0x04, 0xab, 0xf2, 0x7b,
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0xdb, 0x83, 0xc8, 0x81, 0x02, 0x41, 0x00, 0xf7, 0xbe, 0x5e, 0x23, 0xc3, 0x32, 0x3f, 0xbf, 0x8b,
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0x8e, 0x3a, 0xee, 0xfc, 0xfc, 0xcb, 0xe5, 0xf7, 0xf1, 0x0b, 0xbc, 0x42, 0x82, 0xae, 0xd5, 0x7a,
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0x3e, 0xca, 0xf7, 0xd5, 0x69, 0x3f, 0x64, 0x25, 0xa2, 0x1f, 0xb7, 0x75, 0x75, 0x05, 0x92, 0x42,
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0xeb, 0xb8, 0xf1, 0xf3, 0x0a, 0x05, 0xe3, 0x94, 0xd1, 0x55, 0x78, 0x35, 0xa0, 0x36, 0xa0, 0x9b,
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0x7c, 0x92, 0x84, 0x6c, 0xdd, 0xdc, 0x4d, 0x02, 0x41, 0x00, 0xd6, 0x86, 0x0e, 0x85, 0x42, 0x0b,
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0x04, 0x08, 0x84, 0x21, 0x60, 0xf0, 0x0e, 0x0d, 0x88, 0xfd, 0x1e, 0x36, 0x10, 0x65, 0x4f, 0x1e,
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0x53, 0xb4, 0x08, 0x72, 0x80, 0x5c, 0x3f, 0x59, 0x66, 0x17, 0xe6, 0x98, 0xf2, 0xe9, 0x6c, 0x7a,
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0x06, 0x4c, 0xac, 0x76, 0x3d, 0xed, 0x8c, 0xa1, 0xce, 0xad, 0x1b, 0xbd, 0xb4, 0x7d, 0x28, 0xbc,
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0xe3, 0x0e, 0x38, 0x8d, 0x99, 0xd8, 0x05, 0xb5, 0xa3, 0x71, 0x02, 0x40, 0x6d, 0xeb, 0xc3, 0x2d,
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0x2e, 0xf0, 0x5e, 0xa4, 0x88, 0x31, 0x05, 0x29, 0x00, 0x8a, 0xd1, 0x95, 0x29, 0x9b, 0x83, 0xcf,
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0x75, 0xdb, 0x31, 0xe3, 0x7a, 0x27, 0xde, 0x3a, 0x74, 0x30, 0x0c, 0x76, 0x4c, 0xd4, 0x50, 0x2a,
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0x40, 0x2d, 0x39, 0xd9, 0x99, 0x63, 0xa9, 0x5d, 0x80, 0xae, 0x53, 0xca, 0x94, 0x3f, 0x05, 0x23,
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0x1e, 0xf8, 0x05, 0x04, 0xe1, 0xb8, 0x35, 0xf2, 0x17, 0xb3, 0xa0, 0x89, 0x02, 0x41, 0x00, 0xab,
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0x90, 0x88, 0xfa, 0x60, 0x08, 0x29, 0x50, 0x9a, 0x43, 0x8b, 0xa0, 0x50, 0xcc, 0xd8, 0x5a, 0xfe,
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0x97, 0x64, 0x63, 0x71, 0x74, 0x22, 0xa3, 0x20, 0x02, 0x5a, 0xcf, 0xeb, 0xc6, 0x16, 0x95, 0x54,
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0xd1, 0xcb, 0xab, 0x8d, 0x1a, 0xc6, 0x00, 0xfa, 0x08, 0x92, 0x9c, 0x71, 0xd5, 0x52, 0x52, 0x35,
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0x96, 0x71, 0x4b, 0x8b, 0x92, 0x0c, 0xd0, 0xe9, 0xbf, 0xad, 0x63, 0x0b, 0xa5, 0xe9, 0xb1, 0x02,
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0x41, 0x00, 0xdc, 0xcc, 0x27, 0xc8, 0xe4, 0xdc, 0x62, 0x48, 0xd5, 0x9b, 0xaf, 0xf5, 0xab, 0x60,
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0xf6, 0x21, 0xfd, 0x53, 0xe2, 0xb7, 0x5d, 0x09, 0xc9, 0x1a, 0xa1, 0x04, 0xa9, 0xfc, 0x61, 0x2c,
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0x5d, 0x04, 0x58, 0x3a, 0x5a, 0x39, 0xf1, 0x4a, 0x21, 0x56, 0x67, 0xfd, 0xcc, 0x20, 0xa3, 0x8f,
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0x78, 0x18, 0x5a, 0x79, 0x3d, 0x2e, 0x8e, 0x7e, 0x86, 0x0a, 0xe6, 0xa8, 0x33, 0xc1, 0x04, 0x17,
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0x4a, 0x9f, };
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/* private keay - hexadecimal */
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static char *hex_d = "C862B9EADE44531D5697D9979E1ACF301E0A8845862930A34D9F616573E0D6878FB6F306A382DC7CACFE9B289AAEFDFBFE2F0ED89704E3BB1FD1EC0DBAA3497F47AC8A44047E86B739423FAD1EB70EA551F440631EFDBDEA9F419FA8901D6F0A5A9513110D80AF5F64988A2C786865B02B8BA25387CAF16404ABF27BDB83C881";
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static char *hex_dP = "6DEBC32D2EF05EA488310529008AD195299B83CF75DB31E37A27DE3A74300C764CD4502A402D39D99963A95D80AE53CA943F05231EF80504E1B835F217B3A089";
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static char *hex_dQ = "AB9088FA600829509A438BA050CCD85AFE976463717422A320025ACFEBC6169554D1CBAB8D1AC600FA08929C71D552523596714B8B920CD0E9BFAD630BA5E9B1";
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static char *hex_e = "010001";
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static char *hex_N = "CF9ADE648ADAC83320A9D783311954B29A85A7A1B77533B6A9AC8424B3DEDB7D852D9665E53F7295249F2868CA4FDB441C3E60128ADD26A5EBFF0B5ED48838492A6E5BBF123747BD056BBCDBF3EEE4118E41687C6113D742C880BE368FDC088B4FACA4E2760CC9636C495893EDCCAADC253B0A603F8B543AC34D31E794A444FD";
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static char *hex_p = "F7BE5E23C3323FBF8B8E3AEEFCFCCBE5F7F10BBC4282AED57A3ECAF7D5693F6425A21FB77575059242EBB8F1F30A05E394D1557835A036A09B7C92846CDDDC4D";
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static char *hex_q = "D6860E85420B0408842160F00E0D88FD1E3610654F1E53B40872805C3F596617E698F2E96C7A064CAC763DED8CA1CEAD1BBDB47D28BCE30E388D99D805B5A371";
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static char *hex_qP = "DCCC27C8E4DC6248D59BAFF5AB60F621FD53E2B75D09C91AA104A9FC612C5D04583A5A39F14A215667FDCC20A38F78185A793D2E8E7E860AE6A833C104174A9F";
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/* private keay - decimal */
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static char *dec_d = "140715588362011445903700789698620706303856890313846506579552319155852306603445626455616876267358538338151320072087950597426668358843246116141391746806252390039505422193715556188330352166601762210959618868365359433828069868584168017348772565936127608284367789455480066115411950431014508224203325089671253575809";
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static char *dec_dP = "5757027123463051531073361217943880203685183318942602176865989327630429772398553254013771630974725523559703665512845231173916766336576994271809362147385481";
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static char *dec_dQ = "8985566687080619280443708121716583572314829758991088624433980393739288226842152842353421251125477168722728289150354056572727675764519591179919295246625201";
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static char *dec_e = "65537";
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static char *dec_N = "145785157837445763858971808379627955816432214431353481009581718367907499729204464589803079767521523397316119124291441688063985017444589154155338311524887989148444674974298105211582428885045820631376256167593861203305479546421254276833052913791538765775697977909548553897629170045372476652935456198173974086909";
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static char *dec_p = "12975386429272921390465467849934248466500992474501042673679976015025637113752114471707151502138750486193421113099777767227628554763059580218432153760685133";
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static char *dec_q = "11235515692122231999359687466333538198133993435121038200055897831921312127192760781281669977582095991578071163376390471936482431583372835883432943212143473";
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static char *dec_qP = "11564102464723136702427739477324729528451027211272900753079601723449664482225846595388433622640284454614991112736446376964904474099700895632145077333609119";
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/*** openssl public RSA key in DER format */
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static const unsigned char openssl_public_rsa[] = {
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0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01,
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0x05, 0x00, 0x03, 0x81, 0x8d, 0x00, 0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde,
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0x64, 0x8a, 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7,
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0xa1, 0xb7, 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96,
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0x65, 0xe5, 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60,
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0x12, 0x8a, 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b,
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0xbf, 0x12, 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68,
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0x7c, 0x61, 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4,
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0xe2, 0x76, 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a,
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0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01,
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0x00, 0x01, };
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/* same key but with extra headers stripped */
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static const unsigned char openssl_public_rsa_stripped[] = {
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0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xcf, 0x9a, 0xde,
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0x64, 0x8a, 0xda, 0xc8, 0x33, 0x20, 0xa9, 0xd7, 0x83, 0x31, 0x19, 0x54, 0xb2, 0x9a, 0x85, 0xa7,
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0xa1, 0xb7, 0x75, 0x33, 0xb6, 0xa9, 0xac, 0x84, 0x24, 0xb3, 0xde, 0xdb, 0x7d, 0x85, 0x2d, 0x96,
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0x65, 0xe5, 0x3f, 0x72, 0x95, 0x24, 0x9f, 0x28, 0x68, 0xca, 0x4f, 0xdb, 0x44, 0x1c, 0x3e, 0x60,
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0x12, 0x8a, 0xdd, 0x26, 0xa5, 0xeb, 0xff, 0x0b, 0x5e, 0xd4, 0x88, 0x38, 0x49, 0x2a, 0x6e, 0x5b,
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0xbf, 0x12, 0x37, 0x47, 0xbd, 0x05, 0x6b, 0xbc, 0xdb, 0xf3, 0xee, 0xe4, 0x11, 0x8e, 0x41, 0x68,
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0x7c, 0x61, 0x13, 0xd7, 0x42, 0xc8, 0x80, 0xbe, 0x36, 0x8f, 0xdc, 0x08, 0x8b, 0x4f, 0xac, 0xa4,
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0xe2, 0x76, 0x0c, 0xc9, 0x63, 0x6c, 0x49, 0x58, 0x93, 0xed, 0xcc, 0xaa, 0xdc, 0x25, 0x3b, 0x0a,
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0x60, 0x3f, 0x8b, 0x54, 0x3a, 0xc3, 0x4d, 0x31, 0xe7, 0x94, 0xa4, 0x44, 0xfd, 0x02, 0x03, 0x01,
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0x00, 0x01, };
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static int rsa_compat_test(void)
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{
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rsa_key key;
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unsigned char buf[1024];
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unsigned long len;
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/* try reading the key */
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DO(rsa_import(openssl_private_rsa, sizeof(openssl_private_rsa), &key));
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/* now try to export private/public and compare */
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len = sizeof(buf);
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DO(rsa_export(buf, &len, PK_PRIVATE, &key));
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if (len != sizeof(openssl_private_rsa) || memcmp(buf, openssl_private_rsa, len)) {
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fprintf(stderr, "RSA private export failed to match OpenSSL output, %lu, %lu\n", len, (unsigned long)sizeof(openssl_private_rsa));
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return 1;
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}
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len = sizeof(buf);
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DO(rsa_export(buf, &len, PK_PUBLIC, &key));
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if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) {
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fprintf(stderr, "RSA(private) public export failed to match OpenSSL output\n");
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return 1;
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}
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rsa_free(&key);
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/* try reading the public key */
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DO(rsa_import(openssl_public_rsa_stripped, sizeof(openssl_public_rsa_stripped), &key));
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len = sizeof(buf);
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DO(rsa_export(buf, &len, PK_PUBLIC, &key));
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if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) {
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fprintf(stderr, "RSA(public) stripped public import failed to match OpenSSL output\n");
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return 1;
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}
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rsa_free(&key);
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/* try reading the public key */
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DO(rsa_import(openssl_public_rsa, sizeof(openssl_public_rsa), &key));
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len = sizeof(buf);
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DO(rsa_export(buf, &len, PK_PUBLIC, &key));
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if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) {
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fprintf(stderr, "RSA(public) SSL public import failed to match OpenSSL output\n");
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return 1;
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}
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rsa_free(&key);
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/* try import private key from raw hexadecimal numbers */
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DO(rsa_import_radix(16, hex_N, hex_e, hex_d, hex_p, hex_q, hex_dP, hex_dQ, hex_qP, &key));
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len = sizeof(buf);
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DO(rsa_export(buf, &len, PK_PRIVATE, &key));
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if (len != sizeof(openssl_private_rsa) || memcmp(buf, openssl_private_rsa, len)) {
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fprintf(stderr, "RSA private export failed to match rsa_import_radix(16, ..)\n");
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return 1;
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}
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rsa_free(&key);
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/* try import private key from raw decimal numbers */
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DO(rsa_import_radix(10, dec_N, dec_e, dec_d, dec_p, dec_q, dec_dP, dec_dQ, dec_qP, &key));
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len = sizeof(buf);
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DO(rsa_export(buf, &len, PK_PRIVATE, &key));
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if (len != sizeof(openssl_private_rsa) || memcmp(buf, openssl_private_rsa, len)) {
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fprintf(stderr, "RSA private export failed to match rsa_import_radix(10, ..)\n");
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return 1;
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}
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rsa_free(&key);
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/* try import public key from raw hexadecimal numbers */
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DO(rsa_import_radix(16, hex_N, hex_e, NULL, NULL, NULL, NULL, NULL, NULL, &key));
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len = sizeof(buf);
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DO(rsa_export(buf, &len, PK_PUBLIC, &key));
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if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) {
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fprintf(stderr, "RSA public export failed to match rsa_import_radix(16, ..)\n");
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return 1;
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}
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rsa_free(&key);
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/* try import public key from raw decimal numbers */
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DO(rsa_import_radix(10, dec_N, dec_e, NULL, NULL, NULL, NULL, NULL, NULL, &key));
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len = sizeof(buf);
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DO(rsa_export(buf, &len, PK_PUBLIC, &key));
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if (len != sizeof(openssl_public_rsa_stripped) || memcmp(buf, openssl_public_rsa_stripped, len)) {
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fprintf(stderr, "RSA public export failed to match rsa_import_radix(10, ..)\n");
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return 1;
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}
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rsa_free(&key);
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/* try export in SubjectPublicKeyInfo format of the public key */
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DO(rsa_import(openssl_public_rsa, sizeof(openssl_public_rsa), &key));
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len = sizeof(buf);
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DO(rsa_export(buf, &len, PK_PUBLIC | PK_STD, &key));
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if (len != sizeof(openssl_public_rsa) || memcmp(buf, openssl_public_rsa, len)) {
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fprintf(stderr, "RSA(public) SSL public X.509 export failed to match OpenSSL output\n");
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print_hex("should", openssl_public_rsa, sizeof(openssl_public_rsa));
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print_hex("is", buf, len);
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return 1;
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|
}
|
|
rsa_free(&key);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int rsa_test(void)
|
|
{
|
|
unsigned char in[1024], out[1024], tmp[1024];
|
|
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 };
|
|
|
|
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;
|
|
}
|
|
|
|
/* 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);
|
|
fprintf(stderr, "N == \n");
|
|
for (cnt = 0; cnt < len; ) {
|
|
fprintf(stderr, "%02x ", tmp[cnt]);
|
|
if (!(++cnt & 15)) fprintf(stderr, "\n");
|
|
}
|
|
|
|
len = mp_unsigned_bin_size(key.p);
|
|
mp_to_unsigned_bin(key.p, tmp);
|
|
fprintf(stderr, "p == \n");
|
|
for (cnt = 0; cnt < len; ) {
|
|
fprintf(stderr, "%02x ", tmp[cnt]);
|
|
if (!(++cnt & 15)) fprintf(stderr, "\n");
|
|
}
|
|
|
|
len = mp_unsigned_bin_size(key.q);
|
|
mp_to_unsigned_bin(key.q, tmp);
|
|
fprintf(stderr, "\nq == \n");
|
|
for (cnt = 0; cnt < len; ) {
|
|
fprintf(stderr, "%02x ", tmp[cnt]);
|
|
if (!(++cnt & 15)) fprintf(stderr, "\n");
|
|
}
|
|
fprintf(stderr, "\n");
|
|
|
|
|
|
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 */
|
|
|
|
void* 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
|
|
*/
|
|
|
|
unsigned char* p = in;
|
|
unsigned char* p2 = out;
|
|
unsigned char* p3 = tmp;
|
|
for (i = 0; i < 9; ++i) {
|
|
len = sizeof(in);
|
|
len2 = sizeof(out);
|
|
cnt = rsa_get_size(&key);
|
|
/* (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 0
|
|
printf("\nBefore:");
|
|
for (cnt = 0; cnt < len3; ++cnt) {
|
|
if (cnt%32 == 0)
|
|
printf("\n%3lu:", cnt);
|
|
printf(" %02x", p3[cnt]);
|
|
}
|
|
#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 0
|
|
printf("\nAfter:");
|
|
for (cnt = 0; cnt < len3; ++cnt) {
|
|
if (cnt%32 == 0)
|
|
printf("\n%3lu:", cnt);
|
|
printf(" %02x", p3[cnt]);
|
|
}
|
|
printf("\n");
|
|
#endif
|
|
|
|
len2 = sizeof(out);
|
|
/* (5) */
|
|
DO(ltc_mp.rsa_me(p3, len3, p2, &len2, PK_PRIVATE, &key));
|
|
|
|
len3 = sizeof(tmp);
|
|
/* (6) */
|
|
if (i < 8)
|
|
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");
|
|
else
|
|
DOX(rsa_verify_hash_ex(p2, len2, p, 20, LTC_PKCS_1_V1_5, hash_idx, -1, &stat, &pubKey), "should succeed");
|
|
DOX(stat == 0?CRYPT_OK:CRYPT_FAIL_TESTVECTOR, "should fail");
|
|
}
|
|
|
|
/* free the key and return */
|
|
rsa_free(&key);
|
|
rsa_free(&pubKey);
|
|
rsa_free(&privKey);
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
int rsa_test(void)
|
|
{
|
|
fprintf(stderr, "NOP");
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
/* $Source$ */
|
|
/* $Revision$ */
|
|
/* $Date$ */
|