add px5g (moved from LuCI trunk)

SVN-Revision: 20429

1 files changed, 750 insertions, 0 deletions

diff --git a/package/px5g/src/library/rsa.c b/package/px5g/src/library/rsa.c
new file mode 100644
index 0000000000..131b6c6c9c
--- /dev/null
+++ b/package/px5g/src/library/rsa.c
@@ -0,0 +1,750 @@
+/*
+ *  The RSA public-key cryptosystem
+ *
+ *  Based on XySSL: Copyright (C) 2006-2008  Christophe Devine
+ *
+ *  Copyright (C) 2009  Paul Bakker <polarssl_maintainer at polarssl dot org>
+ *
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *  
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * Neither the names of PolarSSL or XySSL nor the names of its contributors
+ *      may be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *  
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/*
+ *  RSA was designed by Ron Rivest, Adi Shamir and Len Adleman.
+ *
+ *  http://theory.lcs.mit.edu/~rivest/rsapaper.pdf
+ *  http://www.cacr.math.uwaterloo.ca/hac/about/chap8.pdf
+ */
+
+#include "polarssl/config.h"
+
+#if defined(POLARSSL_RSA_C)
+
+#include "polarssl/rsa.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+/*
+ * Initialize an RSA context
+ */
+void rsa_init( rsa_context *ctx,
+               int padding,
+               int hash_id,
+               int (*f_rng)(void *),
+               void *p_rng )
+{
+    memset( ctx, 0, sizeof( rsa_context ) );
+
+    ctx->padding = padding;
+    ctx->hash_id = hash_id;
+
+    ctx->f_rng = f_rng;
+    ctx->p_rng = p_rng;
+}
+
+#if defined(POLARSSL_GENPRIME)
+
+/*
+ * Generate an RSA keypair
+ */
+int rsa_gen_key( rsa_context *ctx, int nbits, int exponent )
+{
+    int ret;
+    mpi P1, Q1, H, G;
+
+    if( ctx->f_rng == NULL || nbits < 128 || exponent < 3 )
+        return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
+
+    mpi_init( &P1, &Q1, &H, &G, NULL );
+
+    /*
+     * find primes P and Q with Q < P so that:
+     * GCD( E, (P-1)*(Q-1) ) == 1
+     */
+    MPI_CHK( mpi_lset( &ctx->E, exponent ) );
+
+    do
+    {
+        MPI_CHK( mpi_gen_prime( &ctx->P, ( nbits + 1 ) >> 1, 0, 
+                                ctx->f_rng, ctx->p_rng ) );
+
+        MPI_CHK( mpi_gen_prime( &ctx->Q, ( nbits + 1 ) >> 1, 0,
+                                ctx->f_rng, ctx->p_rng ) );
+
+        if( mpi_cmp_mpi( &ctx->P, &ctx->Q ) < 0 )
+            mpi_swap( &ctx->P, &ctx->Q );
+
+        if( mpi_cmp_mpi( &ctx->P, &ctx->Q ) == 0 )
+            continue;
+
+        MPI_CHK( mpi_mul_mpi( &ctx->N, &ctx->P, &ctx->Q ) );
+        if( mpi_msb( &ctx->N ) != nbits )
+            continue;
+
+        MPI_CHK( mpi_sub_int( &P1, &ctx->P, 1 ) );
+        MPI_CHK( mpi_sub_int( &Q1, &ctx->Q, 1 ) );
+        MPI_CHK( mpi_mul_mpi( &H, &P1, &Q1 ) );
+        MPI_CHK( mpi_gcd( &G, &ctx->E, &H  ) );
+    }
+    while( mpi_cmp_int( &G, 1 ) != 0 );
+
+    /*
+     * D  = E^-1 mod ((P-1)*(Q-1))
+     * DP = D mod (P - 1)
+     * DQ = D mod (Q - 1)
+     * QP = Q^-1 mod P
+     */
+    MPI_CHK( mpi_inv_mod( &ctx->D , &ctx->E, &H  ) );
+    MPI_CHK( mpi_mod_mpi( &ctx->DP, &ctx->D, &P1 ) );
+    MPI_CHK( mpi_mod_mpi( &ctx->DQ, &ctx->D, &Q1 ) );
+    MPI_CHK( mpi_inv_mod( &ctx->QP, &ctx->Q, &ctx->P ) );
+
+    ctx->len = ( mpi_msb( &ctx->N ) + 7 ) >> 3;
+
+cleanup:
+
+    mpi_free( &G, &H, &Q1, &P1, NULL );
+
+    if( ret != 0 )
+    {
+        rsa_free( ctx );
+        return( POLARSSL_ERR_RSA_KEY_GEN_FAILED | ret );
+    }
+
+    return( 0 );   
+}
+
+#endif
+
+/*
+ * Check a public RSA key
+ */
+int rsa_check_pubkey( rsa_context *ctx )
+{
+    if( ( ctx->N.p[0] & 1 ) == 0 || 
+        ( ctx->E.p[0] & 1 ) == 0 )
+        return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED );
+
+    if( mpi_msb( &ctx->N ) < 128 ||
+        mpi_msb( &ctx->N ) > 4096 )
+        return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED );
+
+    if( mpi_msb( &ctx->E ) < 2 ||
+        mpi_msb( &ctx->E ) > 64 )
+        return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED );
+
+    return( 0 );
+}
+
+/*
+ * Check a private RSA key
+ */
+int rsa_check_privkey( rsa_context *ctx )
+{
+    int ret;
+    mpi PQ, DE, P1, Q1, H, I, G;
+
+    if( ( ret = rsa_check_pubkey( ctx ) ) != 0 )
+        return( ret );
+
+    mpi_init( &PQ, &DE, &P1, &Q1, &H, &I, &G, NULL );
+
+    MPI_CHK( mpi_mul_mpi( &PQ, &ctx->P, &ctx->Q ) );
+    MPI_CHK( mpi_mul_mpi( &DE, &ctx->D, &ctx->E ) );
+    MPI_CHK( mpi_sub_int( &P1, &ctx->P, 1 ) );
+    MPI_CHK( mpi_sub_int( &Q1, &ctx->Q, 1 ) );
+    MPI_CHK( mpi_mul_mpi( &H, &P1, &Q1 ) );
+    MPI_CHK( mpi_mod_mpi( &I, &DE, &H  ) );
+    MPI_CHK( mpi_gcd( &G, &ctx->E, &H  ) );
+
+    if( mpi_cmp_mpi( &PQ, &ctx->N ) == 0 &&
+        mpi_cmp_int( &I, 1 ) == 0 &&
+        mpi_cmp_int( &G, 1 ) == 0 )
+    {
+        mpi_free( &G, &I, &H, &Q1, &P1, &DE, &PQ, NULL );
+        return( 0 );
+    }
+
+cleanup:
+
+    mpi_free( &G, &I, &H, &Q1, &P1, &DE, &PQ, NULL );
+    return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED | ret );
+}
+
+/*
+ * Do an RSA public key operation
+ */
+int rsa_public( rsa_context *ctx,
+                unsigned char *input,
+                unsigned char *output )
+{
+    int ret, olen;
+    mpi T;
+
+    mpi_init( &T, NULL );
+
+    MPI_CHK( mpi_read_binary( &T, input, ctx->len ) );
+
+    if( mpi_cmp_mpi( &T, &ctx->N ) >= 0 )
+    {
+        mpi_free( &T, NULL );
+        return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
+    }
+
+    olen = ctx->len;
+    MPI_CHK( mpi_exp_mod( &T, &T, &ctx->E, &ctx->N, &ctx->RN ) );
+    MPI_CHK( mpi_write_binary( &T, output, olen ) );
+
+cleanup:
+
+    mpi_free( &T, NULL );
+
+    if( ret != 0 )
+        return( POLARSSL_ERR_RSA_PUBLIC_FAILED | ret );
+
+    return( 0 );
+}
+
+/*
+ * Do an RSA private key operation
+ */
+int rsa_private( rsa_context *ctx,
+                 unsigned char *input,
+                 unsigned char *output )
+{
+    int ret, olen;
+    mpi T, T1, T2;
+
+    mpi_init( &T, &T1, &T2, NULL );
+
+    MPI_CHK( mpi_read_binary( &T, input, ctx->len ) );
+
+    if( mpi_cmp_mpi( &T, &ctx->N ) >= 0 )
+    {
+        mpi_free( &T, NULL );
+        return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
+    }
+
+#if 0
+    MPI_CHK( mpi_exp_mod( &T, &T, &ctx->D, &ctx->N, &ctx->RN ) );
+#else
+    /*
+     * faster decryption using the CRT
+     *
+     * T1 = input ^ dP mod P
+     * T2 = input ^ dQ mod Q
+     */
+    MPI_CHK( mpi_exp_mod( &T1, &T, &ctx->DP, &ctx->P, &ctx->RP ) );
+    MPI_CHK( mpi_exp_mod( &T2, &T, &ctx->DQ, &ctx->Q, &ctx->RQ ) );
+
+    /*
+     * T = (T1 - T2) * (Q^-1 mod P) mod P
+     */
+    MPI_CHK( mpi_sub_mpi( &T, &T1, &T2 ) );
+    MPI_CHK( mpi_mul_mpi( &T1, &T, &ctx->QP ) );
+    MPI_CHK( mpi_mod_mpi( &T, &T1, &ctx->P ) );
+
+    /*
+     * output = T2 + T * Q
+     */
+    MPI_CHK( mpi_mul_mpi( &T1, &T, &ctx->Q ) );
+    MPI_CHK( mpi_add_mpi( &T, &T2, &T1 ) );
+#endif
+
+    olen = ctx->len;
+    MPI_CHK( mpi_write_binary( &T, output, olen ) );
+
+cleanup:
+
+    mpi_free( &T, &T1, &T2, NULL );
+
+    if( ret != 0 )
+        return( POLARSSL_ERR_RSA_PRIVATE_FAILED | ret );
+
+    return( 0 );
+}
+
+/*
+ * Add the message padding, then do an RSA operation
+ */
+int rsa_pkcs1_encrypt( rsa_context *ctx,
+                       int mode, int  ilen,
+                       unsigned char *input,
+                       unsigned char *output )
+{
+    int nb_pad, olen;
+    unsigned char *p = output;
+
+    olen = ctx->len;
+
+    switch( ctx->padding )
+    {
+        case RSA_PKCS_V15:
+
+            if( ilen < 0 || olen < ilen + 11 )
+                return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
+
+            nb_pad = olen - 3 - ilen;
+
+            *p++ = 0;
+            *p++ = RSA_CRYPT;
+
+            while( nb_pad-- > 0 )
+            {
+                do {
+                    *p = (unsigned char) rand();
+                } while( *p == 0 );
+                p++;
+            }
+            *p++ = 0;
+            memcpy( p, input, ilen );
+            break;
+
+        default:
+
+            return( POLARSSL_ERR_RSA_INVALID_PADDING );
+    }
+
+    return( ( mode == RSA_PUBLIC )
+            ? rsa_public(  ctx, output, output )
+            : rsa_private( ctx, output, output ) );
+}
+
+/*
+ * Do an RSA operation, then remove the message padding
+ */
+int rsa_pkcs1_decrypt( rsa_context *ctx,
+                       int mode, int *olen,
+                       unsigned char *input,
+                       unsigned char *output,
+		       int output_max_len)
+{
+    int ret, ilen;
+    unsigned char *p;
+    unsigned char buf[512];
+
+    ilen = ctx->len;
+
+    if( ilen < 16 || ilen > (int) sizeof( buf ) )
+        return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
+
+    ret = ( mode == RSA_PUBLIC )
+          ? rsa_public(  ctx, input, buf )
+          : rsa_private( ctx, input, buf );
+
+    if( ret != 0 )
+        return( ret );
+
+    p = buf;
+
+    switch( ctx->padding )
+    {
+        case RSA_PKCS_V15:
+
+            if( *p++ != 0 || *p++ != RSA_CRYPT )
+                return( POLARSSL_ERR_RSA_INVALID_PADDING );
+
+            while( *p != 0 )
+            {
+                if( p >= buf + ilen - 1 )
+                    return( POLARSSL_ERR_RSA_INVALID_PADDING );
+                p++;
+            }
+            p++;
+            break;
+
+        default:
+
+            return( POLARSSL_ERR_RSA_INVALID_PADDING );
+    }
+
+    if (ilen - (int)(p - buf) > output_max_len)
+    	return( POLARSSL_ERR_RSA_OUTPUT_TO_LARGE );
+
+    *olen = ilen - (int)(p - buf);
+    memcpy( output, p, *olen );
+
+    return( 0 );
+}
+
+/*
+ * Do an RSA operation to sign the message digest
+ */
+int rsa_pkcs1_sign( rsa_context *ctx,
+                    int mode,
+                    int hash_id,
+                    int hashlen,
+                    unsigned char *hash,
+                    unsigned char *sig )
+{
+    int nb_pad, olen;
+    unsigned char *p = sig;
+
+    olen = ctx->len;
+
+    switch( ctx->padding )
+    {
+        case RSA_PKCS_V15:
+
+            switch( hash_id )
+            {
+                case RSA_RAW:
+                    nb_pad = olen - 3 - hashlen;
+                    break;
+
+                case RSA_MD2:
+                case RSA_MD4:
+                case RSA_MD5:
+                    nb_pad = olen - 3 - 34;
+                    break;
+
+                case RSA_SHA1:
+                    nb_pad = olen - 3 - 35;
+                    break;
+
+                default:
+                    return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
+            }
+
+            if( nb_pad < 8 )
+                return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
+
+            *p++ = 0;
+            *p++ = RSA_SIGN;
+            memset( p, 0xFF, nb_pad );
+            p += nb_pad;
+            *p++ = 0;
+            break;
+
+        default:
+
+            return( POLARSSL_ERR_RSA_INVALID_PADDING );
+    }
+
+    switch( hash_id )
+    {
+        case RSA_RAW:
+            memcpy( p, hash, hashlen );
+            break;
+
+        case RSA_MD2:
+            memcpy( p, ASN1_HASH_MDX, 18 );
+            memcpy( p + 18, hash, 16 );
+            p[13] = 2; break;
+
+        case RSA_MD4:
+            memcpy( p, ASN1_HASH_MDX, 18 );
+            memcpy( p + 18, hash, 16 );
+            p[13] = 4; break;
+
+        case RSA_MD5:
+            memcpy( p, ASN1_HASH_MDX, 18 );
+            memcpy( p + 18, hash, 16 );
+            p[13] = 5; break;
+
+        case RSA_SHA1:
+            memcpy( p, ASN1_HASH_SHA1, 15 );
+            memcpy( p + 15, hash, 20 );
+            break;
+
+        default:
+            return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
+    }
+
+    return( ( mode == RSA_PUBLIC )
+            ? rsa_public(  ctx, sig, sig )
+            : rsa_private( ctx, sig, sig ) );
+}
+
+/*
+ * Do an RSA operation and check the message digest
+ */
+int rsa_pkcs1_verify( rsa_context *ctx,
+                      int mode,
+                      int hash_id,
+                      int hashlen,
+                      unsigned char *hash,
+                      unsigned char *sig )
+{
+    int ret, len, siglen;
+    unsigned char *p, c;
+    unsigned char buf[512];
+
+    siglen = ctx->len;
+
+    if( siglen < 16 || siglen > (int) sizeof( buf ) )
+        return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
+
+    ret = ( mode == RSA_PUBLIC )
+          ? rsa_public(  ctx, sig, buf )
+          : rsa_private( ctx, sig, buf );
+
+    if( ret != 0 )
+        return( ret );
+
+    p = buf;
+
+    switch( ctx->padding )
+    {
+        case RSA_PKCS_V15:
+
+            if( *p++ != 0 || *p++ != RSA_SIGN )
+                return( POLARSSL_ERR_RSA_INVALID_PADDING );
+
+            while( *p != 0 )
+            {
+                if( p >= buf + siglen - 1 || *p != 0xFF )
+                    return( POLARSSL_ERR_RSA_INVALID_PADDING );
+                p++;
+            }
+            p++;
+            break;
+
+        default:
+
+            return( POLARSSL_ERR_RSA_INVALID_PADDING );
+    }
+
+    len = siglen - (int)( p - buf );
+
+    if( len == 34 )
+    {
+        c = p[13];
+        p[13] = 0;
+
+        if( memcmp( p, ASN1_HASH_MDX, 18 ) != 0 )
+            return( POLARSSL_ERR_RSA_VERIFY_FAILED );
+
+        if( ( c == 2 && hash_id == RSA_MD2 ) ||
+            ( c == 4 && hash_id == RSA_MD4 ) ||
+            ( c == 5 && hash_id == RSA_MD5 ) )
+        {
+            if( memcmp( p + 18, hash, 16 ) == 0 ) 
+                return( 0 );
+            else
+                return( POLARSSL_ERR_RSA_VERIFY_FAILED );
+        }
+    }
+
+    if( len == 35 && hash_id == RSA_SHA1 )
+    {
+        if( memcmp( p, ASN1_HASH_SHA1, 15 ) == 0 &&
+            memcmp( p + 15, hash, 20 ) == 0 )
+            return( 0 );
+        else
+            return( POLARSSL_ERR_RSA_VERIFY_FAILED );
+    }
+
+    if( len == hashlen && hash_id == RSA_RAW )
+    {
+        if( memcmp( p, hash, hashlen ) == 0 )
+            return( 0 );
+        else
+            return( POLARSSL_ERR_RSA_VERIFY_FAILED );
+    }
+
+    return( POLARSSL_ERR_RSA_INVALID_PADDING );
+}
+
+/*
+ * Free the components of an RSA key
+ */
+void rsa_free( rsa_context *ctx )
+{
+    mpi_free( &ctx->RQ, &ctx->RP, &ctx->RN,
+              &ctx->QP, &ctx->DQ, &ctx->DP,
+              &ctx->Q,  &ctx->P,  &ctx->D,
+              &ctx->E,  &ctx->N,  NULL );
+}
+
+#if defined(POLARSSL_SELF_TEST)
+
+#include "polarssl/sha1.h"
+
+/*
+ * Example RSA-1024 keypair, for test purposes
+ */
+#define KEY_LEN 128
+
+#define RSA_N   "9292758453063D803DD603D5E777D788" \
+                "8ED1D5BF35786190FA2F23EBC0848AEA" \
+                "DDA92CA6C3D80B32C4D109BE0F36D6AE" \
+                "7130B9CED7ACDF54CFC7555AC14EEBAB" \
+                "93A89813FBF3C4F8066D2D800F7C38A8" \
+                "1AE31942917403FF4946B0A83D3D3E05" \
+                "EE57C6F5F5606FB5D4BC6CD34EE0801A" \
+                "5E94BB77B07507233A0BC7BAC8F90F79"
+
+#define RSA_E   "10001"
+
+#define RSA_D   "24BF6185468786FDD303083D25E64EFC" \
+                "66CA472BC44D253102F8B4A9D3BFA750" \
+                "91386C0077937FE33FA3252D28855837" \
+                "AE1B484A8A9A45F7EE8C0C634F99E8CD" \
+                "DF79C5CE07EE72C7F123142198164234" \
+                "CABB724CF78B8173B9F880FC86322407" \
+                "AF1FEDFDDE2BEB674CA15F3E81A1521E" \
+                "071513A1E85B5DFA031F21ECAE91A34D"
+
+#define RSA_P   "C36D0EB7FCD285223CFB5AABA5BDA3D8" \
+                "2C01CAD19EA484A87EA4377637E75500" \
+                "FCB2005C5C7DD6EC4AC023CDA285D796" \
+                "C3D9E75E1EFC42488BB4F1D13AC30A57"
+
+#define RSA_Q   "C000DF51A7C77AE8D7C7370C1FF55B69" \
+                "E211C2B9E5DB1ED0BF61D0D9899620F4" \
+                "910E4168387E3C30AA1E00C339A79508" \
+                "8452DD96A9A5EA5D9DCA68DA636032AF"
+
+#define RSA_DP  "C1ACF567564274FB07A0BBAD5D26E298" \
+                "3C94D22288ACD763FD8E5600ED4A702D" \
+                "F84198A5F06C2E72236AE490C93F07F8" \
+                "3CC559CD27BC2D1CA488811730BB5725"
+
+#define RSA_DQ  "4959CBF6F8FEF750AEE6977C155579C7" \
+                "D8AAEA56749EA28623272E4F7D0592AF" \
+                "7C1F1313CAC9471B5C523BFE592F517B" \
+                "407A1BD76C164B93DA2D32A383E58357"
+
+#define RSA_QP  "9AE7FBC99546432DF71896FC239EADAE" \
+                "F38D18D2B2F0E2DD275AA977E2BF4411" \
+                "F5A3B2A5D33605AEBBCCBA7FEB9F2D2F" \
+                "A74206CEC169D74BF5A8C50D6F48EA08"
+
+#define PT_LEN  24
+#define RSA_PT  "\xAA\xBB\xCC\x03\x02\x01\x00\xFF\xFF\xFF\xFF\xFF" \
+                "\x11\x22\x33\x0A\x0B\x0C\xCC\xDD\xDD\xDD\xDD\xDD"
+
+/*
+ * Checkup routine
+ */
+int rsa_self_test( int verbose )
+{
+    int len;
+    rsa_context rsa;
+    unsigned char sha1sum[20];
+    unsigned char rsa_plaintext[PT_LEN];
+    unsigned char rsa_decrypted[PT_LEN];
+    unsigned char rsa_ciphertext[KEY_LEN];
+
+    memset( &rsa, 0, sizeof( rsa_context ) );
+
+    rsa.len = KEY_LEN;
+    mpi_read_string( &rsa.N , 16, RSA_N  );
+    mpi_read_string( &rsa.E , 16, RSA_E  );
+    mpi_read_string( &rsa.D , 16, RSA_D  );
+    mpi_read_string( &rsa.P , 16, RSA_P  );
+    mpi_read_string( &rsa.Q , 16, RSA_Q  );
+    mpi_read_string( &rsa.DP, 16, RSA_DP );
+    mpi_read_string( &rsa.DQ, 16, RSA_DQ );
+    mpi_read_string( &rsa.QP, 16, RSA_QP );
+
+    if( verbose != 0 )
+        printf( "  RSA key validation: " );
+
+    if( rsa_check_pubkey(  &rsa ) != 0 ||
+        rsa_check_privkey( &rsa ) != 0 )
+    {
+        if( verbose != 0 )
+            printf( "failed\n" );
+
+        return( 1 );
+    }
+
+    if( verbose != 0 )
+        printf( "passed\n  PKCS#1 encryption : " );
+
+    memcpy( rsa_plaintext, RSA_PT, PT_LEN );
+
+    if( rsa_pkcs1_encrypt( &rsa, RSA_PUBLIC, PT_LEN,
+                           rsa_plaintext, rsa_ciphertext ) != 0 )
+    {
+        if( verbose != 0 )
+            printf( "failed\n" );
+
+        return( 1 );
+    }
+
+    if( verbose != 0 )
+        printf( "passed\n  PKCS#1 decryption : " );
+
+    if( rsa_pkcs1_decrypt( &rsa, RSA_PRIVATE, &len,
+                           rsa_ciphertext, rsa_decrypted,
+			   sizeof(rsa_decrypted) ) != 0 )
+    {
+        if( verbose != 0 )
+            printf( "failed\n" );
+
+        return( 1 );
+    }
+
+    if( memcmp( rsa_decrypted, rsa_plaintext, len ) != 0 )
+    {
+        if( verbose != 0 )
+            printf( "failed\n" );
+
+        return( 1 );
+    }
+
+    if( verbose != 0 )
+        printf( "passed\n  PKCS#1 data sign  : " );
+
+    sha1( rsa_plaintext, PT_LEN, sha1sum );
+
+    if( rsa_pkcs1_sign( &rsa, RSA_PRIVATE, RSA_SHA1, 20,
+                        sha1sum, rsa_ciphertext ) != 0 )
+    {
+        if( verbose != 0 )
+            printf( "failed\n" );
+
+        return( 1 );
+    }
+
+    if( verbose != 0 )
+        printf( "passed\n  PKCS#1 sig. verify: " );
+
+    if( rsa_pkcs1_verify( &rsa, RSA_PUBLIC, RSA_SHA1, 20,
+                          sha1sum, rsa_ciphertext ) != 0 )
+    {
+        if( verbose != 0 )
+            printf( "failed\n" );
+
+        return( 1 );
+    }
+
+    if( verbose != 0 )
+        printf( "passed\n\n" );
+
+    rsa_free( &rsa );
+
+    return( 0 );
+}
+
+#endif
+
+#endif