result_t PKey::copy(const pk_context &key)
{
pk_type_t type = pk_get_type(&key);
int ret;
if (type == POLARSSL_PK_RSA)
{
rsa_context *rsa = pk_rsa(key);
ret = pk_init_ctx(&m_key, pk_info_from_type(POLARSSL_PK_RSA));
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
rsa_context *rsa1 = pk_rsa(m_key);
ret = rsa_copy(rsa1, rsa);
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
return 0;
}
if (type == POLARSSL_PK_ECKEY)
{
ecp_keypair *ecp = pk_ec(key);
ret = pk_init_ctx(&m_key, pk_info_from_type(POLARSSL_PK_ECKEY));
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
ecp_keypair *ecp1 = pk_ec(m_key);
ret = ecp_group_copy(&ecp1->grp, &ecp->grp);
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
ret = mpi_copy(&ecp1->d, &ecp->d);
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
ret = ecp_copy(&ecp1->Q, &ecp->Q);
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
return 0;
}
return CHECK_ERROR(CALL_E_INVALID_CALL);
}
result_t PKey::genEcKey(const char *curve, exlib::AsyncEvent *ac)
{
if (switchToAsync(ac))
return CHECK_ERROR(CALL_E_NOSYNC);
const ecp_curve_info *curve_info;
curve_info = ecp_curve_info_from_name(curve);
if (curve_info == NULL)
return CHECK_ERROR(Runtime::setError("PKey: Unknown curve"));
int ret;
clear();
ret = pk_init_ctx(&m_key, pk_info_from_type(POLARSSL_PK_ECKEY));
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
ret = ecp_gen_key(curve_info->grp_id, pk_ec(m_key),
ctr_drbg_random, &g_ssl.ctr_drbg);
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
return 0;
}
/*
* SubjectPublicKeyInfo ::= SEQUENCE {
* algorithm AlgorithmIdentifier,
* subjectPublicKey BIT STRING }
*/
int pk_parse_subpubkey( unsigned char **p, const unsigned char *end,
pk_context *pk )
{
int ret;
size_t len;
asn1_buf alg_params;
pk_type_t pk_alg = POLARSSL_PK_NONE;
const pk_info_t *pk_info;
if( ( ret = asn1_get_tag( p, end, &len,
ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
{
return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
}
end = *p + len;
if( ( ret = pk_get_pk_alg( p, end, &pk_alg, &alg_params ) ) != 0 )
return( ret );
if( ( ret = asn1_get_bitstring_null( p, end, &len ) ) != 0 )
return( POLARSSL_ERR_PK_INVALID_PUBKEY + ret );
if( *p + len != end )
return( POLARSSL_ERR_PK_INVALID_PUBKEY +
POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
if( ( pk_info = pk_info_from_type( pk_alg ) ) == NULL )
return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
if( ( ret = pk_init_ctx( pk, pk_info ) ) != 0 )
return( ret );
#if defined(POLARSSL_RSA_C)
if( pk_alg == POLARSSL_PK_RSA )
{
ret = pk_get_shrsapubkey( p, end, pk_rsa( *pk ) );
} else
#endif /* POLARSSL_RSA_C */
#if defined(POLARSSL_ECP_C)
if( pk_alg == POLARSSL_PK_ECKEY_DH || pk_alg == POLARSSL_PK_ECKEY )
{
ret = pk_use_ecparams( &alg_params, &pk_ec( *pk )->grp );
if( ret == 0 )
ret = pk_get_ecpubkey( p, end, pk_ec( *pk ) );
} else
#endif /* POLARSSL_ECP_C */
ret = POLARSSL_ERR_PK_UNKNOWN_PK_ALG;
if( ret == 0 && *p != end )
ret = POLARSSL_ERR_PK_INVALID_PUBKEY
POLARSSL_ERR_ASN1_LENGTH_MISMATCH;
if( ret != 0 )
pk_free( pk );
return( ret );
}
cPubKey(rsa_context * a_Rsa) :
m_IsValid(false)
{
pk_init(&m_Key);
if (pk_init_ctx(&m_Key, pk_info_from_type(POLARSSL_PK_RSA)) != 0)
{
ASSERT(!"Cannot init PrivKey context");
return;
}
if (rsa_copy(pk_rsa(m_Key), a_Rsa) != 0)
{
ASSERT(!"Cannot copy PrivKey to PK context");
return;
}
m_IsValid = true;
}
result_t PKey::genRsaKey(int32_t size, exlib::AsyncEvent *ac)
{
if (size < 128 || size > 8192)
return CHECK_ERROR(Runtime::setError("PKey: Invalid key size"));
if (switchToAsync(ac))
return CHECK_ERROR(CALL_E_NOSYNC);
int ret;
clear();
ret = pk_init_ctx(&m_key, pk_info_from_type(POLARSSL_PK_RSA));
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
ret = rsa_gen_key(pk_rsa(m_key), ctr_drbg_random, &g_ssl.ctr_drbg,
size, 65537);
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
return 0;
}
/*
* Parse an unencrypted PKCS#8 encoded private key
*/
static int pk_parse_key_pkcs8_unencrypted_der(
pk_context *pk,
const unsigned char* key,
size_t keylen )
{
int ret, version;
size_t len;
asn1_buf params;
unsigned char *p = (unsigned char *) key;
unsigned char *end = p + keylen;
pk_type_t pk_alg = POLARSSL_PK_NONE;
const pk_info_t *pk_info;
/*
* This function parses the PrivatKeyInfo object (PKCS#8 v1.2 = RFC 5208)
*
* PrivateKeyInfo ::= SEQUENCE {
* version Version,
* privateKeyAlgorithm PrivateKeyAlgorithmIdentifier,
* privateKey PrivateKey,
* attributes [0] IMPLICIT Attributes OPTIONAL }
*
* Version ::= INTEGER
* PrivateKeyAlgorithmIdentifier ::= AlgorithmIdentifier
* PrivateKey ::= OCTET STRING
*
* The PrivateKey OCTET STRING is a SEC1 ECPrivateKey
*/
if( ( ret = asn1_get_tag( &p, end, &len,
ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
{
return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
}
end = p + len;
if( ( ret = asn1_get_int( &p, end, &version ) ) != 0 )
return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
if( version != 0 )
return( POLARSSL_ERR_PK_KEY_INVALID_VERSION + ret );
if( ( ret = pk_get_pk_alg( &p, end, &pk_alg, ¶ms ) ) != 0 )
return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
if( ( ret = asn1_get_tag( &p, end, &len, ASN1_OCTET_STRING ) ) != 0 )
return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
if( len < 1 )
return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT +
POLARSSL_ERR_ASN1_OUT_OF_DATA );
if( ( pk_info = pk_info_from_type( pk_alg ) ) == NULL )
return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
if( ( ret = pk_init_ctx( pk, pk_info ) ) != 0 )
return( ret );
#if defined(POLARSSL_RSA_C)
if( pk_alg == POLARSSL_PK_RSA )
{
if( ( ret = pk_parse_key_pkcs1_der( pk_rsa( *pk ), p, len ) ) != 0 )
{
pk_free( pk );
return( ret );
}
} else
#endif /* POLARSSL_RSA_C */
#if defined(POLARSSL_ECP_C)
if( pk_alg == POLARSSL_PK_ECKEY || pk_alg == POLARSSL_PK_ECKEY_DH )
{
if( ( ret = pk_use_ecparams( ¶ms, &pk_ec( *pk )->grp ) ) != 0 ||
( ret = pk_parse_key_sec1_der( pk_ec( *pk ), p, len ) ) != 0 )
{
pk_free( pk );
return( ret );
}
} else
#endif /* POLARSSL_ECP_C */
return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
return( 0 );
}
/*
* Parse a private key
*/
int pk_parse_key( pk_context *pk,
const unsigned char *key, size_t keylen,
const unsigned char *pwd, size_t pwdlen )
{
int ret;
const pk_info_t *pk_info;
#if defined(POLARSSL_PEM_PARSE_C)
size_t len;
pem_context pem;
pem_init( &pem );
#if defined(POLARSSL_RSA_C)
ret = pem_read_buffer( &pem,
"-----BEGIN RSA PRIVATE KEY-----",
"-----END RSA PRIVATE KEY-----",
key, pwd, pwdlen, &len );
if( ret == 0 )
{
if( ( pk_info = pk_info_from_type( POLARSSL_PK_RSA ) ) == NULL )
return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
if( ( ret = pk_init_ctx( pk, pk_info ) ) != 0 ||
( ret = pk_parse_key_pkcs1_der( pk_rsa( *pk ),
pem.buf, pem.buflen ) ) != 0 )
{
pk_free( pk );
}
pem_free( &pem );
return( ret );
}
else if( ret == POLARSSL_ERR_PEM_PASSWORD_MISMATCH )
return( POLARSSL_ERR_PK_PASSWORD_MISMATCH );
else if( ret == POLARSSL_ERR_PEM_PASSWORD_REQUIRED )
return( POLARSSL_ERR_PK_PASSWORD_REQUIRED );
else if( ret != POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
return( ret );
#endif /* POLARSSL_RSA_C */
#if defined(POLARSSL_ECP_C)
ret = pem_read_buffer( &pem,
"-----BEGIN EC PRIVATE KEY-----",
"-----END EC PRIVATE KEY-----",
key, pwd, pwdlen, &len );
if( ret == 0 )
{
if( ( pk_info = pk_info_from_type( POLARSSL_PK_ECKEY ) ) == NULL )
return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
if( ( ret = pk_init_ctx( pk, pk_info ) ) != 0 ||
( ret = pk_parse_key_sec1_der( pk_ec( *pk ),
pem.buf, pem.buflen ) ) != 0 )
{
pk_free( pk );
}
pem_free( &pem );
return( ret );
}
else if( ret == POLARSSL_ERR_PEM_PASSWORD_MISMATCH )
return( POLARSSL_ERR_PK_PASSWORD_MISMATCH );
else if( ret == POLARSSL_ERR_PEM_PASSWORD_REQUIRED )
return( POLARSSL_ERR_PK_PASSWORD_REQUIRED );
else if( ret != POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
return( ret );
#endif /* POLARSSL_ECP_C */
ret = pem_read_buffer( &pem,
"-----BEGIN PRIVATE KEY-----",
"-----END PRIVATE KEY-----",
key, NULL, 0, &len );
if( ret == 0 )
{
if( ( ret = pk_parse_key_pkcs8_unencrypted_der( pk,
pem.buf, pem.buflen ) ) != 0 )
{
pk_free( pk );
}
pem_free( &pem );
return( ret );
}
else if( ret != POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
return( ret );
#if defined(POLARSSL_PKCS12_C) || defined(POLARSSL_PKCS5_C)
ret = pem_read_buffer( &pem,
"-----BEGIN ENCRYPTED PRIVATE KEY-----",
"-----END ENCRYPTED PRIVATE KEY-----",
key, NULL, 0, &len );
if( ret == 0 )
{
if( ( ret = pk_parse_key_pkcs8_encrypted_der( pk,
pem.buf, pem.buflen,
pwd, pwdlen ) ) != 0 )
{
pk_free( pk );
}
pem_free( &pem );
return( ret );
}
else if( ret != POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
return( ret );
#endif /* POLARSSL_PKCS12_C || POLARSSL_PKCS5_C */
#else
((void) pwd);
((void) pwdlen);
#endif /* POLARSSL_PEM_PARSE_C */
/*
* At this point we only know it's not a PEM formatted key. Could be any
* of the known DER encoded private key formats
*
* We try the different DER format parsers to see if one passes without
* error
*/
#if defined(POLARSSL_PKCS12_C) || defined(POLARSSL_PKCS5_C)
if( ( ret = pk_parse_key_pkcs8_encrypted_der( pk, key, keylen,
pwd, pwdlen ) ) == 0 )
{
return( 0 );
}
pk_free( pk );
if( ret == POLARSSL_ERR_PK_PASSWORD_MISMATCH )
{
return( ret );
}
#endif /* POLARSSL_PKCS12_C || POLARSSL_PKCS5_C */
if( ( ret = pk_parse_key_pkcs8_unencrypted_der( pk, key, keylen ) ) == 0 )
return( 0 );
pk_free( pk );
#if defined(POLARSSL_RSA_C)
if( ( pk_info = pk_info_from_type( POLARSSL_PK_RSA ) ) == NULL )
return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
if( ( ret = pk_init_ctx( pk, pk_info ) ) != 0 ||
( ret = pk_parse_key_pkcs1_der( pk_rsa( *pk ), key, keylen ) ) == 0 )
{
return( 0 );
}
pk_free( pk );
#endif /* POLARSSL_RSA_C */
#if defined(POLARSSL_ECP_C)
if( ( pk_info = pk_info_from_type( POLARSSL_PK_ECKEY ) ) == NULL )
return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
if( ( ret = pk_init_ctx( pk, pk_info ) ) != 0 ||
( ret = pk_parse_key_sec1_der( pk_ec( *pk ), key, keylen ) ) == 0 )
{
return( 0 );
}
pk_free( pk );
#endif /* POLARSSL_ECP_C */
return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT );
}
result_t PKey::get_publicKey(obj_ptr<PKey_base> &retVal)
{
result_t hr;
bool priv;
hr = isPrivate(priv);
if (hr < 0)
return hr;
if (!priv)
return CALL_RETURN_NULL;
pk_type_t type = pk_get_type(&m_key);
int ret;
if (type == POLARSSL_PK_RSA)
{
rsa_context *rsa = pk_rsa(m_key);
obj_ptr<PKey> pk1 = new PKey();
ret = pk_init_ctx(&pk1->m_key, pk_info_from_type(POLARSSL_PK_RSA));
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
rsa_context *rsa1 = pk_rsa(pk1->m_key);
rsa1->len = rsa->len;
rsa1->padding = rsa->padding;
rsa1->hash_id = rsa->hash_id;
ret = mpi_copy(&rsa1->N, &rsa->N);
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
ret = mpi_copy(&rsa1->E, &rsa->E);
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
retVal = pk1;
return 0;
}
if (type == POLARSSL_PK_ECKEY)
{
ecp_keypair *ecp = pk_ec(m_key);
obj_ptr<PKey> pk1 = new PKey();
ret = pk_init_ctx(&pk1->m_key, pk_info_from_type(POLARSSL_PK_ECKEY));
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
ecp_keypair *ecp1 = pk_ec(pk1->m_key);
ret = ecp_group_copy(&ecp1->grp, &ecp->grp);
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
ret = ecp_copy(&ecp1->Q, &ecp->Q);
if (ret != 0)
return CHECK_ERROR(_ssl::setError(ret));
retVal = pk1;
return 0;
}
return CHECK_ERROR(CALL_E_INVALID_CALL);
}
void attacker_send_keys(havege_state *havege_state, void* socket)
//@ requires attacker_invariant(?pub, ?pred, ?kc, havege_state, socket, ?attacker);
//@ ensures attacker_invariant(pub, pred, kc, havege_state, socket, attacker);
{
pk_context context;
pk_context context_pub;
pk_context context_priv;
unsigned int key_size;
//@ open attacker_invariant(pub, pred, kc, havege_state, socket, attacker);
unsigned int temp;
//@ close_havege_util(pub, pred, attacker);
r_u_int_with_bounds(havege_state, &temp, 1024, 8192);
//@ open_havege_util(pub, pred, attacker);
key_size = temp;
char* key = malloc((int) key_size);
if ((key) == 0) abort();
char* pub_key = malloc((int) key_size);
if ((pub_key) == 0) abort();
char* priv_key = malloc((int) key_size);
if ((priv_key) == 0) abort();
//@ close random_request(attacker, temp, true);
if (havege_random(havege_state, key, key_size) != 0) abort();
//@ close pk_context(&context);
pk_init(&context);
//@ close pk_context(&context_pub);
pk_init(&context_pub);
//@ close pk_context(&context_priv);
pk_init(&context_priv);
if (pk_init_ctx(&context, pk_info_from_type(POLARSSL_PK_RSA)) != 0)
abort();
//@ close rsa_key_request(attacker, 0);
//@ close random_state_predicate(havege_state_initialized);
/*@ produce_function_pointer_chunk random_function(
attacker_key_item_havege_random_stub)
(havege_state_initialized)(state, out, len) { call(); } @*/
if (rsa_gen_key(context.pk_ctx, attacker_key_item_havege_random_stub,
havege_state, key_size, 65537) != 0) abort();
if (pk_write_pubkey_pem(&context, pub_key, key_size) != 0) abort();
if (pk_write_key_pem(&context, priv_key, key_size) != 0) abort();
if (pk_parse_public_key(&context_pub, pub_key, key_size) != 0) abort();
if (pk_parse_key(&context_priv, priv_key, key_size, NULL, 0) != 0) abort();
//@ assert is_bad_key_is_public(?proof1, pub, pred);
//@ assert cryptogram(key, key_size, ?key_ccs, ?key_cg);
//@ proof1(key_cg);
//@ public_cryptogram(key, key_cg);
net_send(socket, key, key_size);
//@ assert is_public_key_is_public(?proof2, pub, pred);
//@ assert cryptogram(pub_key, key_size, ?pub_key_ccs, ?pub_key_cg);
//@ proof2(pub_key_cg);
//@ public_cryptogram(pub_key, pub_key_cg);
net_send(socket, pub_key, key_size);
//@ assert is_bad_private_key_is_public(?proof3, pub, pred);
//@ assert cryptogram(priv_key, key_size, ?priv_key_ccs, ?priv_key_cg);
//@ proof3(priv_key_cg);
//@ public_cryptogram(priv_key, priv_key_cg);
net_send(socket, priv_key, key_size);
//@ open random_state_predicate(havege_state_initialized);
//@ pk_release_context_with_keys(&context);
pk_free(&context);
//@ open pk_context(&context);
//@ pk_release_context_with_key(&context_pub);
pk_free(&context_pub);
//@ open pk_context(&context_pub);
//@ pk_release_context_with_key(&context_priv);
pk_free(&context_priv);
//@ open pk_context(&context_priv);
free(key);
free(pub_key);
free(priv_key);
//@ close attacker_invariant(pub, pred, kc, havege_state, socket, attacker);
}
int main( int argc, char *argv[] )
{
int ret = 0;
pk_context key;
char buf[1024];
int i;
char *p, *q;
entropy_context entropy;
ctr_drbg_context ctr_drbg;
const char *pers = "gen_key";
#if defined(POLARSSL_ECP_C)
const ecp_curve_info *curve_info;
#endif
/*
* Set to sane values
*/
pk_init( &key );
memset( buf, 0, sizeof( buf ) );
if( argc == 0 )
{
usage:
ret = 1;
printf( USAGE );
#if defined(POLARSSL_ECP_C)
printf( " availabled ec_curve values:\n" );
curve_info = ecp_curve_list();
printf( " %s (default)\n", curve_info->name );
while( ( ++curve_info )->name != NULL )
printf( " %s\n", curve_info->name );
#endif
goto exit;
}
opt.type = DFL_TYPE;
opt.rsa_keysize = DFL_RSA_KEYSIZE;
opt.ec_curve = DFL_EC_CURVE;
opt.filename = DFL_FILENAME;
opt.format = DFL_FORMAT;
opt.use_dev_random = DFL_USE_DEV_RANDOM;
for( i = 1; i < argc; i++ )
{
p = argv[i];
if( ( q = strchr( p, '=' ) ) == NULL )
goto usage;
*q++ = '\0';
if( strcmp( p, "type" ) == 0 )
{
if( strcmp( q, "rsa" ) == 0 )
opt.type = POLARSSL_PK_RSA;
else if( strcmp( q, "ec" ) == 0 )
opt.type = POLARSSL_PK_ECKEY;
else
goto usage;
}
else if( strcmp( p, "format" ) == 0 )
{
if( strcmp( q, "pem" ) == 0 )
opt.format = FORMAT_PEM;
else if( strcmp( q, "der" ) == 0 )
opt.format = FORMAT_DER;
else
goto usage;
}
else if( strcmp( p, "rsa_keysize" ) == 0 )
{
opt.rsa_keysize = atoi( q );
if( opt.rsa_keysize < 1024 || opt.rsa_keysize > 8192 )
goto usage;
}
else if( strcmp( p, "ec_curve" ) == 0 )
{
if( ( curve_info = ecp_curve_info_from_name( q ) ) == NULL )
goto usage;
opt.ec_curve = curve_info->grp_id;
}
else if( strcmp( p, "filename" ) == 0 )
opt.filename = q;
else if( strcmp( p, "use_dev_random" ) == 0 )
{
opt.use_dev_random = atoi( q );
if( opt.use_dev_random < 0 || opt.use_dev_random > 1 )
goto usage;
}
else
goto usage;
}
printf( "\n . Seeding the random number generator..." );
fflush( stdout );
entropy_init( &entropy );
#if !defined(_WIN32) && defined(POLARSSL_FS_IO)
if( opt.use_dev_random )
{
if( ( ret = entropy_add_source( &entropy, dev_random_entropy_poll,
NULL, DEV_RANDOM_THRESHOLD ) ) != 0 )
{
printf( " failed\n ! entropy_add_source returned -0x%04x\n", -ret );
goto exit;
}
printf("\n Using /dev/random, so can take a long time! " );
fflush( stdout );
}
#endif /* !_WIN32 && POLARSSL_FS_IO */
if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
(const unsigned char *) pers,
strlen( pers ) ) ) != 0 )
{
printf( " failed\n ! ctr_drbg_init returned -0x%04x\n", -ret );
goto exit;
}
/*
* 1.1. Generate the key
*/
printf( "\n . Generating the private key ..." );
fflush( stdout );
if( ( ret = pk_init_ctx( &key, pk_info_from_type( opt.type ) ) ) != 0 )
{
printf( " failed\n ! pk_init_ctx returned -0x%04x", -ret );
goto exit;
}
#if defined(POLARSSL_RSA_C) && defined(POLARSSL_GENPRIME)
if( opt.type == POLARSSL_PK_RSA )
{
ret = rsa_gen_key( pk_rsa( key ), ctr_drbg_random, &ctr_drbg,
opt.rsa_keysize, 65537 );
if( ret != 0 )
{
printf( " failed\n ! rsa_gen_key returned -0x%04x", -ret );
goto exit;
}
}
else
#endif /* POLARSSL_RSA_C */
#if defined(POLARSSL_ECP_C)
if( opt.type == POLARSSL_PK_ECKEY )
{
ret = ecp_gen_key( opt.ec_curve, pk_ec( key ),
ctr_drbg_random, &ctr_drbg );
if( ret != 0 )
{
printf( " failed\n ! rsa_gen_key returned -0x%04x", -ret );
goto exit;
}
}
else
#endif /* POLARSSL_ECP_C */
{
printf( " failed\n ! key type not supported\n" );
goto exit;
}
/*
* 1.2 Print the key
*/
printf( " ok\n . Key information:\n" );
#if defined(POLARSSL_RSA_C)
if( pk_get_type( &key ) == POLARSSL_PK_RSA )
{
rsa_context *rsa = pk_rsa( key );
mpi_write_file( "N: ", &rsa->N, 16, NULL );
mpi_write_file( "E: ", &rsa->E, 16, NULL );
mpi_write_file( "D: ", &rsa->D, 16, NULL );
mpi_write_file( "P: ", &rsa->P, 16, NULL );
mpi_write_file( "Q: ", &rsa->Q, 16, NULL );
mpi_write_file( "DP: ", &rsa->DP, 16, NULL );
mpi_write_file( "DQ: ", &rsa->DQ, 16, NULL );
mpi_write_file( "QP: ", &rsa->QP, 16, NULL );
}
else
#endif
#if defined(POLARSSL_ECP_C)
if( pk_get_type( &key ) == POLARSSL_PK_ECKEY )
{
ecp_keypair *ecp = pk_ec( key );
printf( "curve: %s\n",
ecp_curve_info_from_grp_id( ecp->grp.id )->name );
mpi_write_file( "X_Q: ", &ecp->Q.X, 16, NULL );
mpi_write_file( "Y_Q: ", &ecp->Q.Y, 16, NULL );
mpi_write_file( "D: ", &ecp->d , 16, NULL );
}
else
#endif
printf(" ! key type not supported\n");
write_private_key( &key, opt.filename );
exit:
if( ret != 0 && ret != 1)
{
#ifdef POLARSSL_ERROR_C
polarssl_strerror( ret, buf, sizeof( buf ) );
printf( " - %s\n", buf );
#else
printf("\n");
#endif
}
pk_free( &key );
ctr_drbg_free( &ctr_drbg );
entropy_free( &entropy );
#if defined(_WIN32)
printf( " + Press Enter to exit this program.\n" );
fflush( stdout ); getchar();
#endif
return( ret );
}
