static int cipher_desx_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
int ret = DESX_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
switch (ret)
{
case RE_LEN:
RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
break;
case 0:
break;
default:
RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_UNKNOWN_FAULT);
}
return !ret;
}
static int rsaref_public_encrypt(int len, const unsigned char *from, unsigned char *to,
RSA *rsa, int padding)
{
int outlen= -1;
int i;
R_RSA_PUBLIC_KEY RSAkey;
R_RANDOM_STRUCT rnd;
unsigned char buf[16];
if (padding != RSA_PKCS1_PADDING && padding != RSA_SSLV23_PADDING)
{
RSAREFerr(RSAREF_F_RSAREF_PUBLIC_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
goto err;
}
R_RandomInit(&rnd);
R_GetRandomBytesNeeded((unsigned int *)&i,&rnd);
while (i > 0)
{
if (RAND_bytes(buf,16) <= 0)
goto err;
R_RandomUpdate(&rnd,buf,(unsigned int)((i>16)?16:i));
i-=16;
}
if (!RSAref_Public_eay2ref(rsa,&RSAkey))
goto err;
if ((i=RSAPublicEncrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey,&rnd)) != 0)
{
RSAREFerr(RSAREF_F_RSAREF_PUBLIC_ENCRYPT,i);
outlen= -1;
goto err;
}
err:
memset(&RSAkey,0,sizeof(RSAkey));
R_RandomFinal(&rnd);
memset(&rnd,0,sizeof(rnd));
return(outlen);
}
static int rsaref_private_encrypt(int len, const unsigned char *from, unsigned char *to,
RSA *rsa, int padding)
{
int i,outlen= -1;
R_RSA_PRIVATE_KEY RSAkey;
if (padding != RSA_PKCS1_PADDING)
{
RSAREFerr(RSAREF_F_RSAREF_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
goto err;
}
if (!RSAref_Private_eay2ref(rsa,&RSAkey))
goto err;
if ((i=RSAPrivateEncrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
{
RSAREFerr(RSAREF_F_RSAREF_PRIVATE_ENCRYPT,i);
outlen= -1;
}
err:
memset(&RSAkey,0,sizeof(RSAkey));
return(outlen);
}
/* unsigned char *to: [max] */
static int RSAref_bn2bin(BIGNUM *from, unsigned char *to, int max)
{
int i;
i = BN_num_bytes(from);
if (i > max) {
RSAREFerr(RSAREF_F_RSAREF_BN2BIN, RSAREF_R_LEN);
return (0);
}
memset(to, 0, (unsigned int)max);
if (!BN_bn2bin(from, &(to[max - i])))
return (0);
return (1);
}
static int rsaref_public_decrypt(int len, const unsigned char *from, unsigned char *to,
RSA *rsa, int padding)
{
int i,outlen= -1;
R_RSA_PUBLIC_KEY RSAkey;
if (!RSAref_Public_eay2ref(rsa,&RSAkey))
goto err;
if ((i=RSAPublicDecrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
{
RSAREFerr(RSAREF_F_RSAREF_PUBLIC_DECRYPT,i);
outlen= -1;
}
err:
memset(&RSAkey,0,sizeof(RSAkey));
return(outlen);
}
static int bnref_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
{
RSAREFerr(RSAREF_F_BNREF_MOD_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return(0);
}
static int rsaref_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
{
RSAREFerr(RSAREF_F_RSAREF_MOD_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return(0);
}