36 #if !defined(POLARSSL_CONFIG_FILE)
39 #include POLARSSL_CONFIG_FILE
42 #if defined(POLARSSL_PKCS5_C)
49 #if defined(POLARSSL_PLATFORM_C)
52 #define polarssl_printf printf
55 static int pkcs5_parse_pbkdf2_params(
const asn1_buf *params,
61 unsigned char *p = params->
p;
62 const unsigned char *end = params->
p + params->
len;
113 const unsigned char *pwd,
size_t pwdlen,
114 const unsigned char *data,
size_t datalen,
115 unsigned char *output )
117 int ret, iterations = 0, keylen = 0;
118 unsigned char *p, *end;
119 asn1_buf kdf_alg_oid, enc_scheme_oid, kdf_alg_params, enc_scheme_params;
122 unsigned char key[32], iv[32];
131 end = p + pbe_params->
len;
143 if( ( ret =
asn1_get_alg( &p, end, &kdf_alg_oid, &kdf_alg_params ) ) != 0 )
151 if( ( ret = pkcs5_parse_pbkdf2_params( &kdf_alg_params,
152 &salt, &iterations, &keylen,
159 if( md_info == NULL )
163 &enc_scheme_params ) ) != 0 )
172 if( cipher_info == NULL )
182 enc_scheme_params.
len != cipher_info->
iv_size )
190 memcpy( iv, enc_scheme_params.
p, enc_scheme_params.
len );
192 if( ( ret =
md_init_ctx( &md_ctx, md_info ) ) != 0 )
196 iterations, keylen, key ) ) != 0 )
204 if( ( ret =
cipher_setkey( &cipher_ctx, key, 8 * keylen, mode ) ) != 0 )
208 data, datalen, output, &olen ) ) != 0 )
219 size_t plen,
const unsigned char *salt,
size_t slen,
220 unsigned int iteration_count,
221 uint32_t key_length,
unsigned char *output )
229 unsigned char *out_p = output;
230 unsigned char counter[4];
232 memset( counter, 0, 4 );
235 if( iteration_count > 0xFFFFFFFF )
254 memcpy( md1, work, md_size );
256 for( i = 1; i < iteration_count; i++ )
271 for( j = 0; j < md_size; j++ )
275 use_len = ( key_length < md_size ) ? key_length : md_size;
276 memcpy( out_p, work, use_len );
278 key_length -= (uint32_t) use_len;
281 for( i = 4; i > 0; i-- )
282 if( ++counter[i - 1] != 0 )
289 #if defined(POLARSSL_SELF_TEST)
291 #if !defined(POLARSSL_SHA1_C)
305 size_t plen[MAX_TESTS] =
306 { 8, 8, 8, 8, 24, 9 };
308 unsigned char password[MAX_TESTS][32] =
314 "passwordPASSWORDpassword",
318 size_t slen[MAX_TESTS] =
319 { 4, 4, 4, 4, 36, 5 };
321 unsigned char salt[MAX_TESTS][40] =
327 "saltSALTsaltSALTsaltSALTsaltSALTsalt",
331 uint32_t it_cnt[MAX_TESTS] =
332 { 1, 2, 4096, 16777216, 4096, 4096 };
334 uint32_t key_len[MAX_TESTS] =
335 { 20, 20, 20, 20, 25, 16 };
338 unsigned char result_key[MAX_TESTS][32] =
340 { 0x0c, 0x60, 0xc8, 0x0f, 0x96, 0x1f, 0x0e, 0x71,
341 0xf3, 0xa9, 0xb5, 0x24, 0xaf, 0x60, 0x12, 0x06,
342 0x2f, 0xe0, 0x37, 0xa6 },
343 { 0xea, 0x6c, 0x01, 0x4d, 0xc7, 0x2d, 0x6f, 0x8c,
344 0xcd, 0x1e, 0xd9, 0x2a, 0xce, 0x1d, 0x41, 0xf0,
345 0xd8, 0xde, 0x89, 0x57 },
346 { 0x4b, 0x00, 0x79, 0x01, 0xb7, 0x65, 0x48, 0x9a,
347 0xbe, 0xad, 0x49, 0xd9, 0x26, 0xf7, 0x21, 0xd0,
348 0x65, 0xa4, 0x29, 0xc1 },
349 { 0xee, 0xfe, 0x3d, 0x61, 0xcd, 0x4d, 0xa4, 0xe4,
350 0xe9, 0x94, 0x5b, 0x3d, 0x6b, 0xa2, 0x15, 0x8c,
351 0x26, 0x34, 0xe9, 0x84 },
352 { 0x3d, 0x2e, 0xec, 0x4f, 0xe4, 0x1c, 0x84, 0x9b,
353 0x80, 0xc8, 0xd8, 0x36, 0x62, 0xc0, 0xe4, 0x4a,
354 0x8b, 0x29, 0x1a, 0x96, 0x4c, 0xf2, 0xf0, 0x70,
356 { 0x56, 0xfa, 0x6a, 0xa7, 0x55, 0x48, 0x09, 0x9d,
357 0xcc, 0x37, 0xd7, 0xf0, 0x34, 0x25, 0xe0, 0xc3 },
365 unsigned char key[64];
370 if( info_sha1 == NULL )
376 if( ( ret =
md_init_ctx( &sha1_ctx, info_sha1 ) ) != 0 )
385 for( i = 0; i < MAX_TESTS; i++ )
391 slen[i], it_cnt[i], key_len[i], key );
393 memcmp( result_key[i], key, key_len[i] ) != 0 )