X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=test_src%2Fmain-rsa_oaep-test.c;h=e6555ae49a8135dcc392b70f3f517d2bbbe21381;hb=73f474e8fea34667e788ff4ec24de552e9d1d9e8;hp=62cfe89d08de78328d0d81c52199b5310a43babd;hpb=ec6325f5897037af068115ff5b83da2c2c17eae4;p=arm-crypto-lib.git diff --git a/test_src/main-rsa_oaep-test.c b/test_src/main-rsa_oaep-test.c index 62cfe89..e6555ae 100644 --- a/test_src/main-rsa_oaep-test.c +++ b/test_src/main-rsa_oaep-test.c @@ -34,10 +34,13 @@ const char* algo_name = "RSA-OAEP"; +#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 * *****************************************************************************/ - +#if 0 /* ================================== * Example 1: A 1024-bit RSA Key Pair * ================================== */ @@ -167,9 +170,393 @@ const uint8_t encrypted2[] = { 0x15, 0x91, 0x2d, 0xf6, 0x96, 0xff, 0xe0, 0x70, 0x29, 0x32, 0x94, 0x6d, 0x71, 0x49, 0x2b, 0x44 }; +/**********************************************************************************************/ +/* --------------------------------- + * RSAES-OAEP Encryption Example 2.1 + * --------------------------------- */ + +/* Message to be encrypted: */ +const uint8_t message3[] = { +0x8f, 0xf0, 0x0c, 0xaa, 0x60, 0x5c, 0x70, 0x28, 0x30, 0x63, 0x4d, 0x9a, 0x6c, 0x3d, 0x42, 0xc6, +0x52, 0xb5, 0x8c, 0xf1, 0xd9, 0x2f, 0xec, 0x57, 0x0b, 0xee, 0xe7 +}; + +/* Seed: */ +const uint8_t seed3[] = { +0x8c, 0x40, 0x7b, 0x5e, 0xc2, 0x89, 0x9e, 0x50, 0x99, 0xc5, 0x3e, 0x8c, 0xe7, 0x93, 0xbf, 0x94, +0xe7, 0x1b, 0x17, 0x82 +}; + +/* Encryption: */ +const uint8_t encrypted3[] = { +0x01, 0x81, 0xaf, 0x89, 0x22, 0xb9, 0xfc, 0xb4, 0xd7, 0x9d, 0x92, 0xeb, 0xe1, 0x98, 0x15, 0x99, +0x2f, 0xc0, 0xc1, 0x43, 0x9d, 0x8b, 0xcd, 0x49, 0x13, 0x98, 0xa0, 0xf4, 0xad, 0x3a, 0x32, 0x9a, +0x5b, 0xd9, 0x38, 0x55, 0x60, 0xdb, 0x53, 0x26, 0x83, 0xc8, 0xb7, 0xda, 0x04, 0xe4, 0xb1, 0x2a, +0xed, 0x6a, 0xac, 0xdf, 0x47, 0x1c, 0x34, 0xc9, 0xcd, 0xa8, 0x91, 0xad, 0xdc, 0xc2, 0xdf, 0x34, +0x56, 0x65, 0x3a, 0xa6, 0x38, 0x2e, 0x9a, 0xe5, 0x9b, 0x54, 0x45, 0x52, 0x57, 0xeb, 0x09, 0x9d, +0x56, 0x2b, 0xbe, 0x10, 0x45, 0x3f, 0x2b, 0x6d, 0x13, 0xc5, 0x9c, 0x02, 0xe1, 0x0f, 0x1f, 0x8a, +0xbb, 0x5d, 0xa0, 0xd0, 0x57, 0x09, 0x32, 0xda, 0xcf, 0x2d, 0x09, 0x01, 0xdb, 0x72, 0x9d, 0x0f, +0xef, 0xcc, 0x05, 0x4e, 0x70, 0x96, 0x8e, 0xa5, 0x40, 0xc8, 0x1b, 0x04, 0xbc, 0xae, 0xfe, 0x72, +0x0e +}; +#endif +/**********************************************************************************************/ + +/* --------------------------------- + * RSAES-OAEP Encryption Example 2.4 + * --------------------------------- */ + +/* Message to be encrypted: */ +const uint8_t message4[] = { +0xa7, 0xeb, 0x2a, 0x50, 0x36, 0x93, 0x1d, 0x27, 0xd4, 0xe8, 0x91, 0x32, 0x6d, 0x99, 0x69, 0x2f, +0xfa, 0xdd, 0xa9, 0xbf, 0x7e, 0xfd, 0x3e, 0x34, 0xe6, 0x22, 0xc4, 0xad, 0xc0, 0x85, 0xf7, 0x21, +0xdf, 0xe8, 0x85, 0x07, 0x2c, 0x78, 0xa2, 0x03, 0xb1, 0x51, 0x73, 0x9b, 0xe5, 0x40, 0xfa, 0x8c, +0x15, 0x3a, 0x10, 0xf0, 0x0a +}; + +/* Seed: */ +const uint8_t seed4[] = { +0x9a, 0x7b, 0x3b, 0x0e, 0x70, 0x8b, 0xd9, 0x6f, 0x81, 0x90, 0xec, 0xab, 0x4f, 0xb9, 0xb2, 0xb3, +0x80, 0x5a, 0x81, 0x56 +}; + +/* Encryption: */ +const uint8_t encrypted4[] = { +/* 0x00,*/ 0xa4, 0x57, 0x8c, 0xbc, 0x17, 0x63, 0x18, 0xa6, 0x38, 0xfb, 0xa7, 0xd0, 0x1d, 0xf1, 0x57, +0x46, 0xaf, 0x44, 0xd4, 0xf6, 0xcd, 0x96, 0xd7, 0xe7, 0xc4, 0x95, 0xcb, 0xf4, 0x25, 0xb0, 0x9c, +0x64, 0x9d, 0x32, 0xbf, 0x88, 0x6d, 0xa4, 0x8f, 0xba, 0xf9, 0x89, 0xa2, 0x11, 0x71, 0x87, 0xca, +0xfb, 0x1f, 0xb5, 0x80, 0x31, 0x76, 0x90, 0xe3, 0xcc, 0xd4, 0x46, 0x92, 0x0b, 0x7a, 0xf8, 0x2b, +0x31, 0xdb, 0x58, 0x04, 0xd8, 0x7d, 0x01, 0x51, 0x4a, 0xcb, 0xfa, 0x91, 0x56, 0xe7, 0x82, 0xf8, +0x67, 0xf6, 0xbe, 0xd9, 0x44, 0x9e, 0x0e, 0x9a, 0x2c, 0x09, 0xbc, 0xec, 0xc6, 0xaa, 0x08, 0x76, +0x36, 0x96, 0x5e, 0x34, 0xb3, 0xec, 0x76, 0x6f, 0x2f, 0xe2, 0xe4, 0x30, 0x18, 0xa2, 0xfd, 0xde, +0xb1, 0x40, 0x61, 0x6a, 0x0e, 0x9d, 0x82, 0xe5, 0x33, 0x10, 0x24, 0xee, 0x06, 0x52, 0xfc, 0x76, +0x41 +}; + +/**********************************************************************************************/ +#if 1 +/* RSA modulus n: */ +const uint8_t modulus2[] = { +0x01, 0x94, 0x7c, 0x7f, 0xce, 0x90, 0x42, 0x5f, 0x47, 0x27, 0x9e, 0x70, 0x85, 0x1f, 0x25, 0xd5, +0xe6, 0x23, 0x16, 0xfe, 0x8a, 0x1d, 0xf1, 0x93, 0x71, 0xe3, 0xe6, 0x28, 0xe2, 0x60, 0x54, 0x3e, +0x49, 0x01, 0xef, 0x60, 0x81, 0xf6, 0x8c, 0x0b, 0x81, 0x41, 0x19, 0x0d, 0x2a, 0xe8, 0xda, 0xba, +0x7d, 0x12, 0x50, 0xec, 0x6d, 0xb6, 0x36, 0xe9, 0x44, 0xec, 0x37, 0x22, 0x87, 0x7c, 0x7c, 0x1d, +0x0a, 0x67, 0xf1, 0x4b, 0x16, 0x94, 0xc5, 0xf0, 0x37, 0x94, 0x51, 0xa4, 0x3e, 0x49, 0xa3, 0x2d, +0xde, 0x83, 0x67, 0x0b, 0x73, 0xda, 0x91, 0xa1, 0xc9, 0x9b, 0xc2, 0x3b, 0x43, 0x6a, 0x60, 0x05, +0x5c, 0x61, 0x0f, 0x0b, 0xaf, 0x99, 0xc1, 0xa0, 0x79, 0x56, 0x5b, 0x95, 0xa3, 0xf1, 0x52, 0x66, +0x32, 0xd1, 0xd4, 0xda, 0x60, 0xf2, 0x0e, 0xda, 0x25, 0xe6, 0x53, 0xc4, 0xf0, 0x02, 0x76, 0x6f, +0x45 +}; + +/* RSA public exponent e: */ +const uint8_t public_exponent2[] = { +0x01, 0x00, 0x01 +}; + +/* RSA private exponent d: */ +const uint8_t private_exponent2[] = { +0x08, 0x23, 0xf2, 0x0f, 0xad, 0xb5, 0xda, 0x89, 0x08, 0x8a, 0x9d, 0x00, 0x89, 0x3e, 0x21, 0xfa, +0x4a, 0x1b, 0x11, 0xfb, 0xc9, 0x3c, 0x64, 0xa3, 0xbe, 0x0b, 0xaa, 0xea, 0x97, 0xfb, 0x3b, 0x93, +0xc3, 0xff, 0x71, 0x37, 0x04, 0xc1, 0x9c, 0x96, 0x3c, 0x1d, 0x10, 0x7a, 0xae, 0x99, 0x05, 0x47, +0x39, 0xf7, 0x9e, 0x02, 0xe1, 0x86, 0xde, 0x86, 0xf8, 0x7a, 0x6d, 0xde, 0xfe, 0xa6, 0xd8, 0xcc, +0xd1, 0xd3, 0xc8, 0x1a, 0x47, 0xbf, 0xa7, 0x25, 0x5b, 0xe2, 0x06, 0x01, 0xa4, 0xa4, 0xb2, 0xf0, +0x8a, 0x16, 0x7b, 0x5e, 0x27, 0x9d, 0x71, 0x5b, 0x1b, 0x45, 0x5b, 0xdd, 0x7e, 0xab, 0x24, 0x59, +0x41, 0xd9, 0x76, 0x8b, 0x9a, 0xce, 0xfb, 0x3c, 0xcd, 0xa5, 0x95, 0x2d, 0xa3, 0xce, 0xe7, 0x25, +0x25, 0xb4, 0x50, 0x16, 0x63, 0xa8, 0xee, 0x15, 0xc9, 0xe9, 0x92, 0xd9, 0x24, 0x62, 0xfe, 0x39 +}; + +/* Prime p: */ +const uint8_t p2[] = { +0x01, 0x59, 0xdb, 0xde, 0x04, 0xa3, 0x3e, 0xf0, 0x6f, 0xb6, 0x08, 0xb8, 0x0b, 0x19, 0x0f, 0x4d, +0x3e, 0x22, 0xbc, 0xc1, 0x3a, 0xc8, 0xe4, 0xa0, 0x81, 0x03, 0x3a, 0xbf, 0xa4, 0x16, 0xed, 0xb0, +0xb3, 0x38, 0xaa, 0x08, 0xb5, 0x73, 0x09, 0xea, 0x5a, 0x52, 0x40, 0xe7, 0xdc, 0x6e, 0x54, 0x37, +0x8c, 0x69, 0x41, 0x4c, 0x31, 0xd9, 0x7d, 0xdb, 0x1f, 0x40, 0x6d, 0xb3, 0x76, 0x9c, 0xc4, 0x1a, +0x43 +}; + +/* Prime q: */ +const uint8_t q2[] = { +0x01, 0x2b, 0x65, 0x2f, 0x30, 0x40, 0x3b, 0x38, 0xb4, 0x09, 0x95, 0xfd, 0x6f, 0xf4, 0x1a, 0x1a, +0xcc, 0x8a, 0xda, 0x70, 0x37, 0x32, 0x36, 0xb7, 0x20, 0x2d, 0x39, 0xb2, 0xee, 0x30, 0xcf, 0xb4, +0x6d, 0xb0, 0x95, 0x11, 0xf6, 0xf3, 0x07, 0xcc, 0x61, 0xcc, 0x21, 0x60, 0x6c, 0x18, 0xa7, 0x5b, +0x8a, 0x62, 0xf8, 0x22, 0xdf, 0x03, 0x1b, 0xa0, 0xdf, 0x0d, 0xaf, 0xd5, 0x50, 0x6f, 0x56, 0x8b, +0xd7 +}; + +/* p's CRT exponent dP: */ +const uint8_t dp2[] = { +0x43, 0x6e, 0xf5, 0x08, 0xde, 0x73, 0x65, 0x19, 0xc2, 0xda, 0x4c, 0x58, 0x0d, 0x98, 0xc8, 0x2c, +0xb7, 0x45, 0x2a, 0x3f, 0xb5, 0xef, 0xad, 0xc3, 0xb9, 0xc7, 0x78, 0x9a, 0x1b, 0xc6, 0x58, 0x4f, +0x79, 0x5a, 0xdd, 0xbb, 0xd3, 0x24, 0x39, 0xc7, 0x46, 0x86, 0x55, 0x2e, 0xcb, 0x6c, 0x2c, 0x30, +0x7a, 0x4d, 0x3a, 0xf7, 0xf5, 0x39, 0xee, 0xc1, 0x57, 0x24, 0x8c, 0x7b, 0x31, 0xf1, 0xa2, 0x55 +}; + +/* q's CRT exponent dQ: */ +const uint8_t dq2[] = { +0x01, 0x2b, 0x15, 0xa8, 0x9f, 0x3d, 0xfb, 0x2b, 0x39, 0x07, 0x3e, 0x73, 0xf0, 0x2b, 0xdd, 0x0c, +0x1a, 0x7b, 0x37, 0x9d, 0xd4, 0x35, 0xf0, 0x5c, 0xdd, 0xe2, 0xef, 0xf9, 0xe4, 0x62, 0x94, 0x8b, +0x7c, 0xec, 0x62, 0xee, 0x90, 0x50, 0xd5, 0xe0, 0x81, 0x6e, 0x07, 0x85, 0xa8, 0x56, 0xb4, 0x91, +0x08, 0xdc, 0xb7, 0x5f, 0x36, 0x83, 0x87, 0x4d, 0x1c, 0xa6, 0x32, 0x9a, 0x19, 0x01, 0x30, 0x66, +0xff +}; + +/* CRT coefficient qInv: */ +const uint8_t qinv2[] = { +0x02, 0x70, 0xdb, 0x17, 0xd5, 0x91, 0x4b, 0x01, 0x8d, 0x76, 0x11, 0x8b, 0x24, 0x38, 0x9a, 0x73, +0x50, 0xec, 0x83, 0x6b, 0x00, 0x63, 0xa2, 0x17, 0x21, 0x23, 0x6f, 0xd8, 0xed, 0xb6, 0xd8, 0x9b, +0x51, 0xe7, 0xee, 0xb8, 0x7b, 0x61, 0x1b, 0x71, 0x32, 0xcb, 0x7e, 0xa7, 0x35, 0x6c, 0x23, 0x15, +0x1c, 0x1e, 0x77, 0x51, 0x50, 0x7c, 0x78, 0x6d, 0x9e, 0xe1, 0x79, 0x41, 0x70, 0xa8, 0xc8, 0xe8 +}; + +#endif +/**********************************************************************************************/ + + +uint8_t keys_allocated = 0; rsa_publickey_t pub_key; rsa_privatekey_t priv_key; +#if 0 + #define MSG message + #define SEED seed + #define ENCRYPTED encrypted + #define MODULUS modulus + #define PUB_EXPONENT public_exponent + #define PRIV_EXPONENT private_exponent + #define P p + #define Q q + #define DP dp + #define DQ dq + #define QINV qinv +#else + #define MSG message4 + #define SEED seed4 + #define ENCRYPTED encrypted4 + #define MODULUS modulus2 + #define PUB_EXPONENT public_exponent2 + #define PRIV_EXPONENT private_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; +} + +char* own_utoa(unsigned value, char* str, uint8_t radix){ + char *p = str, *b = str; + char t; + div_t d; + if(radix>36){ + return NULL; + } + if(value == 0){ + *p++ = '0'; + *p = '\0'; + return str; + } + while(value){ + d = div(value, radix); + value = d.quot; + if(d.rem < 10){ + *p++ = '0' + d.rem; + }else{ + *p++ = 'a' + d.rem - 10; + } + } + *p = '\0'; + while(strwordv = (bigint_word_t*)buffer; + a->length_B = (read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t); + bigint_changeendianess(a); + bigint_adjust(a); + return 0; +} + +uint8_t pre_alloc_key_crt(void){ + uint8_t c; + pub_key.modulus = malloc(sizeof(bigint_t)); + if(!pub_key.modulus){ + cli_putstr("\r\nERROR: OOM!"); + return 2; + } + priv_key.modulus = pub_key.modulus; + priv_key.n = 5; + priv_key.components = malloc(5 * sizeof(bigint_t*)); + if(!priv_key.components){ + cli_putstr("\r\nERROR: OOM!"); + return 2; + } + pub_key.exponent = malloc(sizeof(bigint_t)); + if(!pub_key.exponent){ + cli_putstr("\r\nERROR: OOM!"); + return 2; + } + for(c=0; c<5; ++c){ + priv_key.components[c] = malloc(sizeof(bigint_t)); + if(!priv_key.components[c]){ + 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); + free(pub_key.modulus); + pub_key.modulus = priv_key.modulus = NULL; + free(pub_key.exponent); + pub_key.exponent = NULL; + for(c = 0; c < priv_key.n; ++c){ + free(priv_key.components[c]->wordv); + free(priv_key.components[c]); + } + free(priv_key.components); + priv_key.components = NULL; +} + +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 ="); + 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) =="); + pub_key.modulus = malloc(sizeof(bigint_t)); + if(!pub_key.modulus){ + cli_putstr("\r\nERROR: OOM!"); + return 2; + } + r = read_bigint(pub_key.modulus,"\r\n = module ="); + if(r) return r; + priv_key.modulus = pub_key.modulus; + priv_key.n = 1; + pub_key.exponent = malloc(sizeof(bigint_t)); + if(!pub_key.exponent){ + cli_putstr("\r\nERROR: OOM!"); + return 2; + } + priv_key.components = malloc(sizeof(bigint_t*)); + if(!priv_key.components){ + cli_putstr("\r\nERROR: OOM!"); + return 2; + } + priv_key.components[0] = malloc(sizeof(bigint_t)); + if(!priv_key.components[0]){ + 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){ bigint_t *epriv; epriv = malloc(sizeof(bigint_t)); @@ -177,13 +564,13 @@ void load_priv_conventional(void){ cli_putstr("\r\nERROR: OOM!"); return; } - epriv->length_B = (sizeof(private_exponent) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t); + epriv->length_B = (sizeof(PRIV_EXPONENT) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t); epriv->wordv = malloc(epriv->length_B * sizeof(bigint_word_t)); if(!epriv->wordv){ cli_putstr("\r\nERROR: OOM!"); return; } - memcpy(epriv->wordv, private_exponent, sizeof(private_exponent)); + memcpy(epriv->wordv, PRIV_EXPONENT, sizeof(PRIV_EXPONENT)); priv_key.components = malloc(sizeof(bigint_t*)); priv_key.components[0] = epriv; priv_key.n = 1; @@ -194,8 +581,8 @@ void load_priv_conventional(void){ 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)}; + 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){ @@ -224,73 +611,77 @@ void load_priv_crt_mono(void){ } } - -void load_fix_rsa(void){ - bigint_t *m, *epub; - m = malloc(sizeof(bigint_t)); - epub = malloc(sizeof(bigint_t)); - if(!m || !epub){ +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; + 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; +} - m->length_B = (sizeof(modulus) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t); - epub->length_B = (sizeof(public_exponent) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t); - - m->wordv = malloc(m->length_B * sizeof(bigint_word_t)); - epub->wordv = malloc(epub->length_B * sizeof(bigint_word_t)); +void load_fix_rsa(void){ + if(keys_allocated){ + free_key(); + } + keys_allocated = 1; - if(!m->wordv || !epub->wordv){ + if(pre_alloc_key_crt()){ cli_putstr("\r\nOOM!\r\n"); return; } - memcpy(m->wordv, modulus, sizeof(modulus)); - memcpy(epub->wordv, public_exponent, sizeof(public_exponent)); - - pub_key.modulus = priv_key.modulus = m; - pub_key.exponent = epub; - - bigint_changeendianess(m); - bigint_adjust(m); - bigint_changeendianess(epub); - bigint_adjust(epub); + 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; + 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(); +// load_priv_crt_mono(); } - -#define MSG message2 -#define SEED seed2 -#define ENCRYPTED encrypted2 - void quick_test(void){ uint8_t *ciphertext, *plaintext, rc; + uint8_t seed[sizeof(SEED)]; uint16_t clen, plen; ciphertext = malloc(clen = pub_key.modulus->length_B * sizeof(bigint_word_t)); plaintext = malloc(pub_key.modulus->length_B * sizeof(bigint_word_t)); -// memcpy(ciphertext, message1, sizeof(message1)); + memcpy(plaintext, MSG, sizeof(MSG)); + memcpy(seed, SEED, sizeof(SEED)); cli_putstr("\r\nplaintext:"); - cli_hexdump_block(MSG, sizeof(MSG), 4, 8); - uart_flush(0); - rc = rsa_encrypt_oaep(ciphertext, &clen, MSG, sizeof(MSG), &pub_key, NULL, NULL, SEED); + cli_hexdump_block(plaintext, sizeof(MSG), 4, 8); + cli_putstr("\r\nencrypting: ..."); + rc = rsa_encrypt_oaep(ciphertext, &clen, plaintext, sizeof(MSG), &pub_key, NULL, NULL, seed); if(rc){ cli_putstr("\r\nERROR: rsa_encrypt_oaep returned: "); cli_hexdump_byte(rc); return; } + cli_putstr("\r\n\r\nciphertext:"); cli_hexdump_block(ciphertext, clen, 4, 8); - if(clen!=sizeof(ENCRYPTED) || memcmp(ENCRYPTED, ciphertext, clen)){ - cli_putstr("\r\n>>FAIL<<"); + if(clen!=sizeof(ENCRYPTED)){ + cli_putstr("\r\n>>FAIL (no size match)<<"); }else{ - cli_putstr("\r\n>>OK<<"); + if(memcmp(ciphertext, ENCRYPTED, clen)){ + cli_putstr("\r\n>>FAIL (no content match)<<"); + }else{ + cli_putstr("\r\n>>OK<<"); + } } - uart_flush(0); - + cli_putstr("\r\ndecrypting: ..."); rc = rsa_decrypt_oaep(plaintext, &plen, ciphertext, clen, &priv_key, NULL, NULL, NULL); if(rc){ cli_putstr("\r\nERROR: rsa_decrypt_oaep returned: "); @@ -304,6 +695,77 @@ void quick_test(void){ free(plaintext); } +void run_seed_test(void){ + uint8_t *msg, *ciph, *msg_; + uint16_t msg_len, ciph_len, msg_len_; + uint8_t seed[20], seed_out[20]; + 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; + } + ciph = malloc(bigint_length_B(pub_key.modulus)); + if(!ciph){ + cli_putstr("\r\nERROR: OOM!"); + return; + } + msg_ = malloc(bigint_length_B(pub_key.modulus)); + if(!msg_){ + cli_putstr("\r\nERROR: OOM!"); + return; + } + cli_putstr("\r\n data: "); + read_os(msg, msg_len, NULL); + cli_putstr("\r\n seed (20 bytes): "); + read_os(seed, 20, NULL); + + cli_putstr("\r\n encrypting ..."); + rsa_encrypt_oaep(ciph, &ciph_len, msg, msg_len, &pub_key, NULL, NULL, seed); + cli_putstr("\r\n ciphertext:"); + cli_hexdump_block(ciph, ciph_len, 4, 16); + cli_putstr("\r\n decrypting ... "); + rsa_decrypt_oaep(msg_, &msg_len_, ciph, ciph_len, &priv_key, NULL, NULL, seed_out); + cli_putstr("[done]"); + if(msg_len != msg_len_){ + char tstr[16]; + cli_putstr("\r\nERROR: wrong decrypted message length ("); + + own_utoa(msg_len_, tstr, 10); + cli_putstr(tstr); + cli_putstr(" instead of "); + own_utoa(msg_len, tstr, 10); + cli_putstr(tstr); + cli_putc(')'); + goto end; + } + if(memcmp(msg, msg_, msg_len)){ + cli_putstr("\r\nERROR: wrong decrypted message:"); + cli_hexdump_block(msg_, msg_len_, 4, 16); + cli_putstr("\r\nreference:"); + cli_hexdump_block(msg, msg_len, 4, 16); + goto end; + } + + if(memcmp(seed, seed_out, 20)){ + cli_putstr("\r\nERROR: wrong decrypted seed:"); + cli_hexdump_block(seed_out, 20, 4, 16); + cli_putstr("\r\nreference:"); + cli_hexdump_block(seed, 20, 4, 16); + goto end; + } + cli_putstr("\r\n >>OK<<"); +end: + free(msg); + free(msg_); + free(ciph); +} + void reset_prng(void){ uint8_t buf[16]; memset(buf, 0, 16); @@ -312,23 +774,50 @@ void reset_prng(void){ } void rsa_init(void){ - load_fix_rsa(); 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 seed_test_str[] = "seed-test"; +const char dump_test_str[] = "dump-test"; const char performance_str[] = "performance"; const char echo_str[] = "echo"; -cmdlist_entry_t cmdlist[] = { +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 }, + { seed_test_str, NULL, run_seed_test }, + { dump_test_str, NULL, test_dump }, // { performance_str, NULL, testrun_performance_bigint }, { echo_str, (void*)1, (void_fpt)echo_ctrl }, { NULL, NULL, NULL }