1/* BEGIN_HEADER */
2#include "mbedtls/rsa.h"
3#include "mbedtls/md.h"
4/* END_HEADER */
5
6/* BEGIN_DEPENDENCIES
7 * depends_on:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_SHA1_C
8 * END_DEPENDENCIES
9 */
10
11/* BEGIN_CASE */
12void pkcs1_rsaes_v15_encrypt( int mod, int radix_N, char *input_N, int radix_E,
13                               char *input_E, int hash,
14                               char *message_hex_string, char *seed,
15                               char *result_hex_str, int result )
16{
17    unsigned char message_str[1000];
18    unsigned char output[1000];
19    unsigned char output_str[1000];
20    unsigned char rnd_buf[1000];
21    mbedtls_rsa_context ctx;
22    size_t msg_len;
23    rnd_buf_info info;
24
25    info.length = unhexify( rnd_buf, seed );
26    info.buf = rnd_buf;
27
28    mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
29    memset( message_str, 0x00, 1000 );
30    memset( output, 0x00, 1000 );
31    memset( output_str, 0x00, 1000 );
32
33    ctx.len = mod / 8 + ( ( mod % 8 ) ? 1 : 0 );
34    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
35    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
36
37    TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
38
39    msg_len = unhexify( message_str, message_hex_string );
40
41    TEST_ASSERT( mbedtls_rsa_pkcs1_encrypt( &ctx, &rnd_buffer_rand, &info, MBEDTLS_RSA_PUBLIC, msg_len, message_str, output ) == result );
42    if( result == 0 )
43    {
44        hexify( output_str, output, ctx.len );
45
46        TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
47    }
48
49exit:
50    mbedtls_rsa_free( &ctx );
51}
52/* END_CASE */
53
54/* BEGIN_CASE */
55void pkcs1_rsaes_v15_decrypt( int mod, int radix_P, char *input_P,
56                               int radix_Q, char *input_Q, int radix_N,
57                               char *input_N, int radix_E, char *input_E,
58                               int hash, char *result_hex_str, char *seed,
59                               char *message_hex_string, int result )
60{
61    unsigned char message_str[1000];
62    unsigned char output[1000];
63    unsigned char output_str[1000];
64    mbedtls_rsa_context ctx;
65    mbedtls_mpi P1, Q1, H, G;
66    size_t output_len;
67    rnd_pseudo_info rnd_info;
68    ((void) seed);
69
70    mbedtls_mpi_init( &P1 ); mbedtls_mpi_init( &Q1 ); mbedtls_mpi_init( &H ); mbedtls_mpi_init( &G );
71    mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
72
73    memset( message_str, 0x00, 1000 );
74    memset( output, 0x00, 1000 );
75    memset( output_str, 0x00, 1000 );
76    memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
77
78    ctx.len = mod / 8 + ( ( mod % 8 ) ? 1 : 0 );
79    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
80    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
81    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
82    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
83
84    TEST_ASSERT( mbedtls_mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
85    TEST_ASSERT( mbedtls_mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
86    TEST_ASSERT( mbedtls_mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
87    TEST_ASSERT( mbedtls_mpi_gcd( &G, &ctx.E, &H  ) == 0 );
88    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.D , &ctx.E, &H  ) == 0 );
89    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
90    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
91    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );
92
93    TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
94
95    unhexify( message_str, message_hex_string );
96
97    TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, &rnd_pseudo_rand, &rnd_info, MBEDTLS_RSA_PRIVATE, &output_len, message_str, output, 1000 ) == result );
98    if( result == 0 )
99    {
100        hexify( output_str, output, ctx.len );
101
102        TEST_ASSERT( strncasecmp( (char *) output_str, result_hex_str, strlen( result_hex_str ) ) == 0 );
103    }
104
105exit:
106    mbedtls_mpi_free( &P1 ); mbedtls_mpi_free( &Q1 ); mbedtls_mpi_free( &H ); mbedtls_mpi_free( &G );
107    mbedtls_rsa_free( &ctx );
108}
109/* END_CASE */
110
111/* BEGIN_CASE */
112void pkcs1_rsassa_v15_sign( int mod, int radix_P, char *input_P, int radix_Q,
113                            char *input_Q, int radix_N, char *input_N,
114                            int radix_E, char *input_E, int digest, int hash,
115                            char *message_hex_string, char *salt,
116                            char *result_hex_str, int result )
117{
118    unsigned char message_str[1000];
119    unsigned char hash_result[1000];
120    unsigned char output[1000];
121    unsigned char output_str[1000];
122    unsigned char rnd_buf[1000];
123    mbedtls_rsa_context ctx;
124    mbedtls_mpi P1, Q1, H, G;
125    size_t msg_len;
126    rnd_buf_info info;
127
128    info.length = unhexify( rnd_buf, salt );
129    info.buf = rnd_buf;
130
131    mbedtls_mpi_init( &P1 ); mbedtls_mpi_init( &Q1 ); mbedtls_mpi_init( &H ); mbedtls_mpi_init( &G );
132    mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
133
134    memset( message_str, 0x00, 1000 );
135    memset( hash_result, 0x00, 1000 );
136    memset( output, 0x00, 1000 );
137    memset( output_str, 0x00, 1000 );
138
139    ctx.len = mod / 8 + ( ( mod % 8 ) ? 1 : 0 );
140    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
141    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
142    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
143    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
144
145    TEST_ASSERT( mbedtls_mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
146    TEST_ASSERT( mbedtls_mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
147    TEST_ASSERT( mbedtls_mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
148    TEST_ASSERT( mbedtls_mpi_gcd( &G, &ctx.E, &H  ) == 0 );
149    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.D , &ctx.E, &H  ) == 0 );
150    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
151    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
152    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );
153
154    TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
155
156    msg_len = unhexify( message_str, message_hex_string );
157
158    if( mbedtls_md_info_from_type( digest ) != NULL )
159        TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), message_str, msg_len, hash_result ) == 0 );
160
161    TEST_ASSERT( mbedtls_rsa_pkcs1_sign( &ctx, &rnd_buffer_rand, &info, MBEDTLS_RSA_PRIVATE, digest, 0, hash_result, output ) == result );
162    if( result == 0 )
163    {
164        hexify( output_str, output, ctx.len);
165
166        TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
167    }
168
169exit:
170    mbedtls_mpi_free( &P1 ); mbedtls_mpi_free( &Q1 ); mbedtls_mpi_free( &H ); mbedtls_mpi_free( &G );
171    mbedtls_rsa_free( &ctx );
172}
173/* END_CASE */
174
175/* BEGIN_CASE */
176void pkcs1_rsassa_v15_verify( int mod, int radix_N, char *input_N, int radix_E,
177                              char *input_E, int digest, int hash,
178                              char *message_hex_string, char *salt,
179                              char *result_hex_str, int result )
180{
181    unsigned char message_str[1000];
182    unsigned char hash_result[1000];
183    unsigned char result_str[1000];
184    mbedtls_rsa_context ctx;
185    size_t msg_len;
186    ((void) salt);
187
188    mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
189    memset( message_str, 0x00, 1000 );
190    memset( hash_result, 0x00, 1000 );
191    memset( result_str, 0x00, 1000 );
192
193    ctx.len = mod / 8 + ( ( mod % 8 ) ? 1 : 0 );
194    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
195    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
196
197    TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
198
199    msg_len = unhexify( message_str, message_hex_string );
200    unhexify( result_str, result_hex_str );
201
202    if( mbedtls_md_info_from_type( digest ) != NULL )
203        TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), message_str, msg_len, hash_result ) == 0 );
204
205    TEST_ASSERT( mbedtls_rsa_pkcs1_verify( &ctx, NULL, NULL, MBEDTLS_RSA_PUBLIC, digest, 0, hash_result, result_str ) == result );
206
207exit:
208    mbedtls_rsa_free( &ctx );
209}
210/* END_CASE */
211