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Refactored RSA to have random generator in every RSA operation

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Primarily so that rsa_private() receives an RNG for blinding purposes.
This commit is contained in:
Paul Bakker 2013-08-30 10:30:02 +02:00
parent ca174fef80
commit 548957dd49
11 changed files with 132 additions and 49 deletions
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1
ChangeLog
View File

@ -39,6 +39,7 @@ Changes
* Renamed error_strerror() to the less conflicting polarssl_strerror()
(Ability to keep old as well with POLARSSL_ERROR_STRERROR_BC)
* SHA2 renamed to SHA256, SHA4 renamed to SHA512 and functions accordingly
* All RSA operations require a random generator for blinding purposes
Bugfix
* Fixed parse error in ssl_parse_certificate_request()

46
include/polarssl/rsa.h
View File

@ -176,6 +176,8 @@ int rsa_public( rsa_context *ctx,
* \brief Do an RSA private key operation
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for blinding)
* \param p_rng RNG parameter
* \param input input buffer
* \param output output buffer
*
@ -185,6 +187,8 @@ int rsa_public( rsa_context *ctx,
* enough (eg. 128 bytes if RSA-1024 is used).
*/
int rsa_private( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
const unsigned char *input,
unsigned char *output );
@ -194,7 +198,8 @@ int rsa_private( rsa_context *ctx,
* RSA operation.
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for padding and PKCS#1 v2.1 encoding)
* \param f_rng RNG function (Needed for padding and PKCS#1 v2.1 encoding
* and RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param ilen contains the plaintext length
@ -217,7 +222,7 @@ int rsa_pkcs1_encrypt( rsa_context *ctx,
* \brief Perform a PKCS#1 v1.5 encryption (RSAES-PKCS1-v1_5-ENCRYPT)
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for padding)
* \param f_rng RNG function (Needed for padding and RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param ilen contains the plaintext length
@ -240,7 +245,8 @@ int rsa_rsaes_pkcs1_v15_encrypt( rsa_context *ctx,
* \brief Perform a PKCS#1 v2.1 OAEP encryption (RSAES-OAEP-ENCRYPT)
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for padding and PKCS#1 v2.1 encoding)
* \param f_rng RNG function (Needed for padding and PKCS#1 v2.1 encoding
* and RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param label buffer holding the custom label to use
@ -269,6 +275,8 @@ int rsa_rsaes_oaep_encrypt( rsa_context *ctx,
* the message padding
*
* \param ctx RSA context
* \param f_rng RNG function (Only required for RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param olen will contain the plaintext length
* \param input buffer holding the encrypted data
@ -282,6 +290,8 @@ int rsa_rsaes_oaep_encrypt( rsa_context *ctx,
* an error is thrown.
*/
int rsa_pkcs1_decrypt( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode, size_t *olen,
const unsigned char *input,
unsigned char *output,
@ -291,6 +301,8 @@ int rsa_pkcs1_decrypt( rsa_context *ctx,
* \brief Perform a PKCS#1 v1.5 decryption (RSAES-PKCS1-v1_5-DECRYPT)
*
* \param ctx RSA context
* \param f_rng RNG function (Only required for RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param olen will contain the plaintext length
* \param input buffer holding the encrypted data
@ -304,6 +316,8 @@ int rsa_pkcs1_decrypt( rsa_context *ctx,
* an error is thrown.
*/
int rsa_rsaes_pkcs1_v15_decrypt( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode, size_t *olen,
const unsigned char *input,
unsigned char *output,
@ -313,6 +327,8 @@ int rsa_rsaes_pkcs1_v15_decrypt( rsa_context *ctx,
* \brief Perform a PKCS#1 v2.1 OAEP decryption (RSAES-OAEP-DECRYPT)
*
* \param ctx RSA context
* \param f_rng RNG function (Only required for RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param label buffer holding the custom label to use
* \param label_len contains the label length
@ -328,6 +344,8 @@ int rsa_rsaes_pkcs1_v15_decrypt( rsa_context *ctx,
* an error is thrown.
*/
int rsa_rsaes_oaep_decrypt( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
const unsigned char *label, size_t label_len,
size_t *olen,
@ -341,7 +359,8 @@ int rsa_rsaes_oaep_decrypt( rsa_context *ctx,
* a message digest
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for PKCS#1 v2.1 encoding)
* \param f_rng RNG function (Needed for PKCS#1 v2.1 encoding and for
* RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param md_alg a POLARSSL_MD_* (use POLARSSL_MD_NONE for signing raw data)
@ -374,6 +393,8 @@ int rsa_pkcs1_sign( rsa_context *ctx,
* \brief Perform a PKCS#1 v1.5 signature (RSASSA-PKCS1-v1_5-SIGN)
*
* \param ctx RSA context
* \param f_rng RNG function (Only required for RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param md_alg a POLARSSL_MD_* (use POLARSSL_MD_NONE for signing raw data)
* \param hashlen message digest length (for POLARSSL_MD_NONE only)
@ -387,6 +408,8 @@ int rsa_pkcs1_sign( rsa_context *ctx,
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int rsa_rsassa_pkcs1_v15_sign( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
md_type_t md_alg,
unsigned int hashlen,
@ -397,7 +420,8 @@ int rsa_rsassa_pkcs1_v15_sign( rsa_context *ctx,
* \brief Perform a PKCS#1 v2.1 PSS signature (RSASSA-PSS-SIGN)
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for PKCS#1 v2.1 encoding)
* \param f_rng RNG function (Needed for PKCS#1 v2.1 encoding and for
* RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param md_alg a POLARSSL_MD_* (use POLARSSL_MD_NONE for signing raw data)
@ -432,6 +456,8 @@ int rsa_rsassa_pss_sign( rsa_context *ctx,
* the message digest
*
* \param ctx points to an RSA public key
* \param f_rng RNG function (Only required for RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param md_alg a POLARSSL_MD_* (use POLARSSL_MD_NONE for signing raw data)
* \param hashlen message digest length (for POLARSSL_MD_NONE only)
@ -451,6 +477,8 @@ int rsa_rsassa_pss_sign( rsa_context *ctx,
* keep both hashes the same.
*/
int rsa_pkcs1_verify( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
md_type_t md_alg,
unsigned int hashlen,
@ -461,6 +489,8 @@ int rsa_pkcs1_verify( rsa_context *ctx,
* \brief Perform a PKCS#1 v1.5 verification (RSASSA-PKCS1-v1_5-VERIFY)
*
* \param ctx points to an RSA public key
* \param f_rng RNG function (Only required for RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param md_alg a POLARSSL_MD_* (use POLARSSL_MD_NONE for signing raw data)
* \param hashlen message digest length (for POLARSSL_MD_NONE only)
@ -474,6 +504,8 @@ int rsa_pkcs1_verify( rsa_context *ctx,
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int rsa_rsassa_pkcs1_v15_verify( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
md_type_t md_alg,
unsigned int hashlen,
@ -485,6 +517,8 @@ int rsa_rsassa_pkcs1_v15_verify( rsa_context *ctx,
* \brief Do a public RSA and check the message digest
*
* \param ctx points to an RSA public key
* \param f_rng RNG function (Only required for RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param md_alg a POLARSSL_MD_* (use POLARSSL_MD_NONE for signing raw data)
* \param hashlen message digest length (for POLARSSL_MD_NONE only)
@ -504,6 +538,8 @@ int rsa_rsassa_pkcs1_v15_verify( rsa_context *ctx,
* keep both hashes the same.
*/
int rsa_rsassa_pss_verify( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
md_type_t md_alg,
unsigned int hashlen,

7
library/pk_wrap.c
View File

@ -67,7 +67,7 @@ static int rsa_verify_wrap( void *ctx, md_type_t md_alg,
if( sig_len != ((rsa_context *) ctx)->len )
return( POLARSSL_ERR_RSA_VERIFY_FAILED );
return( rsa_pkcs1_verify( (rsa_context *) ctx,
return( rsa_pkcs1_verify( (rsa_context *) ctx, NULL, NULL,
RSA_PUBLIC, md_alg, hash_len, hash, sig ) );
}
@ -87,13 +87,10 @@ static int rsa_decrypt_wrap( void *ctx,
unsigned char *output, size_t *olen, size_t osize,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
{
((void) f_rng);
((void) p_rng);
if( ilen != ((rsa_context *) ctx)->len )
return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
return( rsa_pkcs1_decrypt( (rsa_context *) ctx,
return( rsa_pkcs1_decrypt( (rsa_context *) ctx, f_rng, p_rng,
RSA_PRIVATE, olen, input, output, osize ) );
}

55
library/rsa.c
View File

@ -257,12 +257,16 @@ cleanup:
* Do an RSA private key operation
*/
int rsa_private( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
const unsigned char *input,
unsigned char *output )
{
int ret;
size_t olen;
mpi T, T1, T2;
((void) f_rng);
((void) p_rng);
mpi_init( &T ); mpi_init( &T1 ); mpi_init( &T2 );
@ -430,7 +434,7 @@ int rsa_rsaes_oaep_encrypt( rsa_context *ctx,
return( ( mode == RSA_PUBLIC )
? rsa_public( ctx, output, output )
: rsa_private( ctx, output, output ) );
: rsa_private( ctx, f_rng, p_rng, output, output ) );
}
#endif /* POLARSSL_PKCS1_V21 */
@ -492,7 +496,7 @@ int rsa_rsaes_pkcs1_v15_encrypt( rsa_context *ctx,
return( ( mode == RSA_PUBLIC )
? rsa_public( ctx, output, output )
: rsa_private( ctx, output, output ) );
: rsa_private( ctx, f_rng, p_rng, output, output ) );
}
/*
@ -527,6 +531,8 @@ int rsa_pkcs1_encrypt( rsa_context *ctx,
* Implementation of the PKCS#1 v2.1 RSAES-OAEP-DECRYPT function
*/
int rsa_rsaes_oaep_decrypt( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
const unsigned char *label, size_t label_len,
size_t *olen,
@ -553,7 +559,7 @@ int rsa_rsaes_oaep_decrypt( rsa_context *ctx,
ret = ( mode == RSA_PUBLIC )
? rsa_public( ctx, input, buf )
: rsa_private( ctx, input, buf );
: rsa_private( ctx, f_rng, p_rng, input, buf );
if( ret != 0 )
return( ret );
@ -618,6 +624,8 @@ int rsa_rsaes_oaep_decrypt( rsa_context *ctx,
* Implementation of the PKCS#1 v2.1 RSAES-PKCS1-V1_5-DECRYPT function
*/
int rsa_rsaes_pkcs1_v15_decrypt( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode, size_t *olen,
const unsigned char *input,
unsigned char *output,
@ -639,7 +647,7 @@ int rsa_rsaes_pkcs1_v15_decrypt( rsa_context *ctx,
ret = ( mode == RSA_PUBLIC )
? rsa_public( ctx, input, buf )
: rsa_private( ctx, input, buf );
: rsa_private( ctx, f_rng, p_rng, input, buf );
if( ret != 0 )
return( ret );
@ -711,6 +719,8 @@ int rsa_rsaes_pkcs1_v15_decrypt( rsa_context *ctx,
* Do an RSA operation, then remove the message padding
*/
int rsa_pkcs1_decrypt( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode, size_t *olen,
const unsigned char *input,
unsigned char *output,
@ -719,13 +729,14 @@ int rsa_pkcs1_decrypt( rsa_context *ctx,
switch( ctx->padding )
{
case RSA_PKCS_V15:
return rsa_rsaes_pkcs1_v15_decrypt( ctx, mode, olen, input, output,
output_max_len );
return rsa_rsaes_pkcs1_v15_decrypt( ctx, f_rng, p_rng, mode, olen,
input, output, output_max_len );
#if defined(POLARSSL_PKCS1_V21)
case RSA_PKCS_V21:
return rsa_rsaes_oaep_decrypt( ctx, mode, NULL, 0, olen, input,
output, output_max_len );
return rsa_rsaes_oaep_decrypt( ctx, f_rng, p_rng, mode, NULL, 0,
olen, input, output,
output_max_len );
#endif
default:
@ -827,7 +838,7 @@ int rsa_rsassa_pss_sign( rsa_context *ctx,
return( ( mode == RSA_PUBLIC )
? rsa_public( ctx, sig, sig )
: rsa_private( ctx, sig, sig ) );
: rsa_private( ctx, f_rng, p_rng, sig, sig ) );
}
#endif /* POLARSSL_PKCS1_V21 */
@ -838,6 +849,8 @@ int rsa_rsassa_pss_sign( rsa_context *ctx,
* Do an RSA operation to sign the message digest
*/
int rsa_rsassa_pkcs1_v15_sign( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
md_type_t md_alg,
unsigned int hashlen,
@ -912,7 +925,7 @@ int rsa_rsassa_pkcs1_v15_sign( rsa_context *ctx,
return( ( mode == RSA_PUBLIC )
? rsa_public( ctx, sig, sig )
: rsa_private( ctx, sig, sig ) );
: rsa_private( ctx, f_rng, p_rng, sig, sig ) );
}
/*
@ -930,7 +943,7 @@ int rsa_pkcs1_sign( rsa_context *ctx,
switch( ctx->padding )
{
case RSA_PKCS_V15:
return rsa_rsassa_pkcs1_v15_sign( ctx, mode, md_alg,
return rsa_rsassa_pkcs1_v15_sign( ctx, f_rng, p_rng, mode, md_alg,
hashlen, hash, sig );
#if defined(POLARSSL_PKCS1_V21)
@ -949,6 +962,8 @@ int rsa_pkcs1_sign( rsa_context *ctx,
* Implementation of the PKCS#1 v2.1 RSASSA-PSS-VERIFY function
*/
int rsa_rsassa_pss_verify( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
md_type_t md_alg,
unsigned int hashlen,
@ -976,7 +991,7 @@ int rsa_rsassa_pss_verify( rsa_context *ctx,
ret = ( mode == RSA_PUBLIC )
? rsa_public( ctx, sig, buf )
: rsa_private( ctx, sig, buf );
: rsa_private( ctx, f_rng, p_rng, sig, buf );
if( ret != 0 )
return( ret );
@ -1059,6 +1074,8 @@ int rsa_rsassa_pss_verify( rsa_context *ctx,
* Implementation of the PKCS#1 v2.1 RSASSA-PKCS1-v1_5-VERIFY function
*/
int rsa_rsassa_pkcs1_v15_verify( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
md_type_t md_alg,
unsigned int hashlen,
@ -1083,7 +1100,7 @@ int rsa_rsassa_pkcs1_v15_verify( rsa_context *ctx,
ret = ( mode == RSA_PUBLIC )
? rsa_public( ctx, sig, buf )
: rsa_private( ctx, sig, buf );
: rsa_private( ctx, f_rng, p_rng, sig, buf );
if( ret != 0 )
return( ret );
@ -1173,6 +1190,8 @@ int rsa_rsassa_pkcs1_v15_verify( rsa_context *ctx,
* Do an RSA operation and check the message digest
*/
int rsa_pkcs1_verify( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
md_type_t md_alg,
unsigned int hashlen,
@ -1182,12 +1201,12 @@ int rsa_pkcs1_verify( rsa_context *ctx,
switch( ctx->padding )
{
case RSA_PKCS_V15:
return rsa_rsassa_pkcs1_v15_verify( ctx, mode, md_alg,
return rsa_rsassa_pkcs1_v15_verify( ctx, f_rng, p_rng, mode, md_alg,
hashlen, hash, sig );
#if defined(POLARSSL_PKCS1_V21)
case RSA_PKCS_V21:
return rsa_rsassa_pss_verify( ctx, mode, md_alg,
return rsa_rsassa_pss_verify( ctx, f_rng, p_rng, mode, md_alg,
hashlen, hash, sig );
#endif
@ -1355,7 +1374,7 @@ int rsa_self_test( int verbose )
memcpy( rsa_plaintext, RSA_PT, PT_LEN );
if( rsa_pkcs1_encrypt( &rsa, &myrand, NULL, RSA_PUBLIC, PT_LEN,
if( rsa_pkcs1_encrypt( &rsa, myrand, NULL, RSA_PUBLIC, PT_LEN,
rsa_plaintext, rsa_ciphertext ) != 0 )
{
if( verbose != 0 )
@ -1367,7 +1386,7 @@ int rsa_self_test( int verbose )
if( verbose != 0 )
printf( "passed\n PKCS#1 decryption : " );
if( rsa_pkcs1_decrypt( &rsa, RSA_PRIVATE, &len,
if( rsa_pkcs1_decrypt( &rsa, myrand, NULL, RSA_PRIVATE, &len,
rsa_ciphertext, rsa_decrypted,
sizeof(rsa_decrypted) ) != 0 )
{
@ -1403,7 +1422,7 @@ int rsa_self_test( int verbose )
if( verbose != 0 )
printf( "passed\n PKCS#1 sig. verify: " );
if( rsa_pkcs1_verify( &rsa, RSA_PUBLIC, POLARSSL_MD_SHA1, 0,
if( rsa_pkcs1_verify( &rsa, NULL, NULL, RSA_PUBLIC, POLARSSL_MD_SHA1, 0,
sha1sum, rsa_ciphertext ) != 0 )
{
if( verbose != 0 )

4
programs/pkey/dh_client.c
View File

@ -205,8 +205,8 @@ int main( int argc, char *argv[] )
sha1( buf, (int)( p - 2 - buf ), hash );
if( ( ret = rsa_pkcs1_verify( &rsa, RSA_PUBLIC, POLARSSL_MD_SHA1,
0, hash, p ) ) != 0 )
if( ( ret = rsa_pkcs1_verify( &rsa, NULL, NULL, RSA_PUBLIC,
POLARSSL_MD_SHA1, 0, hash, p ) ) != 0 )
{
printf( " failed\n ! rsa_pkcs1_verify returned %d\n\n", ret );
goto exit;

26
programs/pkey/rsa_decrypt.c
View File

@ -33,16 +33,20 @@
#include "polarssl/config.h"
#include "polarssl/rsa.h"
#include "polarssl/entropy.h"
#include "polarssl/ctr_drbg.h"
#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) || \
!defined(POLARSSL_FS_IO)
!defined(POLARSSL_FS_IO) || !defined(POLARSSL_ENTROPY_C) || \
!defined(POLARSSL_CTR_DRBG_C)
int main( int argc, char *argv[] )
{
((void) argc);
((void) argv);
printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
"POLARSSL_FS_IO not defined.\n");
"POLARSSL_FS_IO and/or POLARSSL_ENTROPY_C and/or "
"POLARSSL_CTR_DRBG_C not defined.\n");
return( 0 );
}
#else
@ -52,8 +56,11 @@ int main( int argc, char *argv[] )
int ret, c;
size_t i;
rsa_context rsa;
entropy_context entropy;
ctr_drbg_context ctr_drbg;
unsigned char result[1024];
unsigned char buf[512];
const char *pers = "rsa_decrypt";
((void) argv);
memset(result, 0, sizeof( result ) );
@ -70,6 +77,18 @@ int main( int argc, char *argv[] )
goto exit;
}
printf( "\n . Seeding the random number generator..." );
fflush( stdout );
entropy_init( &entropy );
if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
(const unsigned char *) pers,
strlen( pers ) ) ) != 0 )
{
printf( " failed\n ! ctr_drbg_init returned %d\n", ret );
goto exit;
}
printf( "\n . Reading private key from rsa_priv.txt" );
fflush( stdout );
@ -130,7 +149,8 @@ int main( int argc, char *argv[] )
printf( "\n . Decrypting the encrypted data" );
fflush( stdout );
if( ( ret = rsa_pkcs1_decrypt( &rsa, RSA_PRIVATE, &i, buf, result,
if( ( ret = rsa_pkcs1_decrypt( &rsa, ctr_drbg_random, &ctr_drbg,
RSA_PRIVATE, &i, buf, result,
1024 ) ) != 0 )
{
printf( " failed\n ! rsa_pkcs1_decrypt returned %d\n\n", ret );

4
programs/pkey/rsa_verify.c
View File

@ -131,8 +131,8 @@ int main( int argc, char *argv[] )
goto exit;
}
if( ( ret = rsa_pkcs1_verify( &rsa, RSA_PUBLIC, POLARSSL_MD_SHA1,
20, hash, buf ) ) != 0 )
if( ( ret = rsa_pkcs1_verify( &rsa, NULL, NULL, RSA_PUBLIC,
POLARSSL_MD_SHA1, 20, hash, buf ) ) != 0 )
{
printf( " failed\n ! rsa_pkcs1_verify returned -0x%0x\n\n", -ret );
goto exit;

4
programs/pkey/rsa_verify_pss.c
View File

@ -124,8 +124,8 @@ int main( int argc, char *argv[] )
goto exit;
}
if( ( ret = rsa_pkcs1_verify( &rsa, RSA_PUBLIC, POLARSSL_MD_SHA1,
20, hash, buf ) ) != 0 )
if( ( ret = rsa_pkcs1_verify( &rsa, NULL, NULL, RSA_PUBLIC,
POLARSSL_MD_SHA1, 20, hash, buf ) ) != 0 )
{
printf( " failed\n ! rsa_pkcs1_verify returned %d\n\n", ret );
goto exit;

4
programs/test/o_p_test.c
View File

@ -197,7 +197,7 @@ int main( int argc, char *argv[] )
printf( " . Generating the RSA decrypted value for OpenSSL (PUBLIC) with PolarSSL (PRIVATE) ..." );
fflush( stdout );
if( ( ret = rsa_pkcs1_decrypt( &p_rsa, RSA_PRIVATE, &olen, o_pub_encrypted, p_pub_decrypted, 1024 ) ) != 0 )
if( ( ret = rsa_pkcs1_decrypt( &p_rsa, ctr_drbg_random, &ctr_drbg, RSA_PRIVATE, &olen, o_pub_encrypted, p_pub_decrypted, 1024 ) ) != 0 )
{
printf( " failed\n ! rsa_pkcs1_decrypt returned %d\n\n", ret );
}
@ -221,7 +221,7 @@ int main( int argc, char *argv[] )
printf( " . Generating the RSA decrypted value for OpenSSL (PRIVATE) with PolarSSL (PUBLIC) ..." );
fflush( stdout );
if( ( ret = rsa_pkcs1_decrypt( &p_rsa, RSA_PUBLIC, &olen, o_priv_encrypted, p_priv_decrypted, 1024 ) ) != 0 )
if( ( ret = rsa_pkcs1_decrypt( &p_rsa, NULL, NULL, RSA_PUBLIC, &olen, o_priv_encrypted, p_priv_decrypted, 1024 ) ) != 0 )
{
printf( " failed\n ! rsa_pkcs1_decrypt returned %d\n\n", ret );
}

6
tests/suites/test_suite_pkcs1_v21.function
View File

@ -69,6 +69,7 @@ void pkcs1_rsaes_oaep_decrypt( int mod, int radix_P, char *input_P,
rsa_context ctx;
mpi P1, Q1, H, G;
size_t output_len;
rnd_pseudo_info rnd_info;
((void) seed);
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
@ -77,6 +78,7 @@ void pkcs1_rsaes_oaep_decrypt( int mod, int radix_P, char *input_P,
memset( message_str, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
ctx.len = mod / 8 + ( ( mod % 8 ) ? 1 : 0 );
TEST_ASSERT( mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
@ -97,7 +99,7 @@ void pkcs1_rsaes_oaep_decrypt( int mod, int radix_P, char *input_P,
unhexify( message_str, message_hex_string );
TEST_ASSERT( rsa_pkcs1_decrypt( &ctx, RSA_PRIVATE, &output_len, message_str, output, 1000 ) == result );
TEST_ASSERT( rsa_pkcs1_decrypt( &ctx, &rnd_pseudo_rand, &rnd_info, RSA_PRIVATE, &output_len, message_str, output, 1000 ) == result );
if( result == 0 )
{
hexify( output_str, output, ctx.len );
@ -203,7 +205,7 @@ void pkcs1_rsassa_pss_verify( int mod, int radix_N, char *input_N, int radix_E,
if( md_info_from_type( digest ) != NULL )
TEST_ASSERT( md( md_info_from_type( digest ), message_str, msg_len, hash_result ) == 0 );
TEST_ASSERT( rsa_pkcs1_verify( &ctx, RSA_PUBLIC, digest, 0, hash_result, result_str ) == result );
TEST_ASSERT( rsa_pkcs1_verify( &ctx, NULL, NULL, RSA_PUBLIC, digest, 0, hash_result, result_str ) == result );
rsa_free( &ctx );
}

20
tests/suites/test_suite_rsa.function
View File

@ -28,6 +28,7 @@ void rsa_pkcs1_sign( char *message_hex_string, int padding_mode, int digest,
rsa_context ctx;
mpi P1, Q1, H, G;
int msg_len;
rnd_pseudo_info rnd_info;
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
rsa_init( &ctx, padding_mode, 0 );
@ -36,6 +37,7 @@ void rsa_pkcs1_sign( char *message_hex_string, int padding_mode, int digest,
memset( hash_result, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
@ -59,7 +61,7 @@ void rsa_pkcs1_sign( char *message_hex_string, int padding_mode, int digest,
if( md_info_from_type( digest ) != NULL )
TEST_ASSERT( md( md_info_from_type( digest ), message_str, msg_len, hash_result ) == 0 );
TEST_ASSERT( rsa_pkcs1_sign( &ctx, NULL, NULL, RSA_PRIVATE, digest, 0, hash_result, output ) == result );
TEST_ASSERT( rsa_pkcs1_sign( &ctx, &rnd_pseudo_rand, &rnd_info, RSA_PRIVATE, digest, 0, hash_result, output ) == result );
if( result == 0 )
{
hexify( output_str, output, ctx.len );
@ -100,7 +102,7 @@ void rsa_pkcs1_verify( char *message_hex_string, int padding_mode, int digest,
if( md_info_from_type( digest ) != NULL )
TEST_ASSERT( md( md_info_from_type( digest ), message_str, msg_len, hash_result ) == 0 );
TEST_ASSERT( rsa_pkcs1_verify( &ctx, RSA_PUBLIC, digest, 0, hash_result, result_str ) == result );
TEST_ASSERT( rsa_pkcs1_verify( &ctx, NULL, NULL, RSA_PUBLIC, digest, 0, hash_result, result_str ) == result );
rsa_free( &ctx );
}
@ -121,6 +123,7 @@ void rsa_pkcs1_sign_raw( char *message_hex_string, char *hash_result_string,
rsa_context ctx;
mpi P1, Q1, H, G;
int hash_len;
rnd_pseudo_info rnd_info;
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
rsa_init( &ctx, padding_mode, 0 );
@ -129,6 +132,7 @@ void rsa_pkcs1_sign_raw( char *message_hex_string, char *hash_result_string,
memset( hash_result, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
@ -150,7 +154,7 @@ void rsa_pkcs1_sign_raw( char *message_hex_string, char *hash_result_string,
unhexify( message_str, message_hex_string );
hash_len = unhexify( hash_result, hash_result_string );
TEST_ASSERT( rsa_pkcs1_sign( &ctx, NULL, NULL, RSA_PRIVATE, POLARSSL_MD_NONE, hash_len, hash_result, output ) == 0 );
TEST_ASSERT( rsa_pkcs1_sign( &ctx, &rnd_pseudo_rand, &rnd_info, RSA_PRIVATE, POLARSSL_MD_NONE, hash_len, hash_result, output ) == 0 );
hexify( output_str, output, ctx.len );
@ -188,7 +192,7 @@ void rsa_pkcs1_verify_raw( char *message_hex_string, char *hash_result_string,
hash_len = unhexify( hash_result, hash_result_string );
unhexify( result_str, result_hex_str );
TEST_ASSERT( rsa_pkcs1_verify( &ctx, RSA_PUBLIC, POLARSSL_MD_NONE, hash_len, hash_result, result_str ) == correct );
TEST_ASSERT( rsa_pkcs1_verify( &ctx, NULL, NULL, RSA_PUBLIC, POLARSSL_MD_NONE, hash_len, hash_result, result_str ) == correct );
rsa_free( &ctx );
}
@ -282,6 +286,7 @@ void rsa_pkcs1_decrypt( char *message_hex_string, int padding_mode, int mod,
rsa_context ctx;
mpi P1, Q1, H, G;
size_t output_len;
rnd_pseudo_info rnd_info;
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
rsa_init( &ctx, padding_mode, 0 );
@ -289,6 +294,7 @@ void rsa_pkcs1_decrypt( char *message_hex_string, int padding_mode, int mod,
memset( message_str, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
@ -310,7 +316,7 @@ void rsa_pkcs1_decrypt( char *message_hex_string, int padding_mode, int mod,
unhexify( message_str, message_hex_string );
output_len = 0;
TEST_ASSERT( rsa_pkcs1_decrypt( &ctx, RSA_PRIVATE, &output_len, message_str, output, max_output ) == result );
TEST_ASSERT( rsa_pkcs1_decrypt( &ctx, rnd_pseudo_rand, &rnd_info, RSA_PRIVATE, &output_len, message_str, output, max_output ) == result );
if( result == 0 )
{
hexify( output_str, output, ctx.len );
@ -367,6 +373,7 @@ void rsa_private( char *message_hex_string, int mod, int radix_P, char *input_P,
unsigned char output_str[1000];
rsa_context ctx;
mpi P1, Q1, H, G;
rnd_pseudo_info rnd_info;
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
rsa_init( &ctx, RSA_PKCS_V15, 0 );
@ -374,6 +381,7 @@ void rsa_private( char *message_hex_string, int mod, int radix_P, char *input_P,
memset( message_str, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
@ -394,7 +402,7 @@ void rsa_private( char *message_hex_string, int mod, int radix_P, char *input_P,
unhexify( message_str, message_hex_string );
TEST_ASSERT( rsa_private( &ctx, message_str, output ) == result );
TEST_ASSERT( rsa_private( &ctx, rnd_pseudo_rand, &rnd_info, message_str, output ) == result );
if( result == 0 )
{
hexify( output_str, output, ctx.len );