pineapple/externals/libressl/crypto/rsa/rsa_asn1.c
2020-12-28 15:15:37 +00:00

408 lines
9.8 KiB
C
Executable file

/* $OpenBSD: rsa_asn1.c,v 1.15 2019/10/25 14:40:18 jsing Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2000.
*/
/* ====================================================================
* Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS 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.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <openssl/asn1t.h>
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/x509.h>
#include "rsa_locl.h"
/* Override the default free and new methods */
static int
rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
{
if (operation == ASN1_OP_NEW_PRE) {
*pval = (ASN1_VALUE *)RSA_new();
if (*pval)
return 2;
return 0;
} else if (operation == ASN1_OP_FREE_PRE) {
RSA_free((RSA *)*pval);
*pval = NULL;
return 2;
}
return 1;
}
static const ASN1_AUX RSAPrivateKey_aux = {
.app_data = NULL,
.flags = 0,
.ref_offset = 0,
.ref_lock = 0,
.asn1_cb = rsa_cb,
.enc_offset = 0,
};
static const ASN1_TEMPLATE RSAPrivateKey_seq_tt[] = {
{
.flags = 0,
.tag = 0,
.offset = offsetof(RSA, version),
.field_name = "version",
.item = &LONG_it,
},
{
.flags = 0,
.tag = 0,
.offset = offsetof(RSA, n),
.field_name = "n",
.item = &BIGNUM_it,
},
{
.flags = 0,
.tag = 0,
.offset = offsetof(RSA, e),
.field_name = "e",
.item = &BIGNUM_it,
},
{
.flags = 0,
.tag = 0,
.offset = offsetof(RSA, d),
.field_name = "d",
.item = &BIGNUM_it,
},
{
.flags = 0,
.tag = 0,
.offset = offsetof(RSA, p),
.field_name = "p",
.item = &BIGNUM_it,
},
{
.flags = 0,
.tag = 0,
.offset = offsetof(RSA, q),
.field_name = "q",
.item = &BIGNUM_it,
},
{
.flags = 0,
.tag = 0,
.offset = offsetof(RSA, dmp1),
.field_name = "dmp1",
.item = &BIGNUM_it,
},
{
.flags = 0,
.tag = 0,
.offset = offsetof(RSA, dmq1),
.field_name = "dmq1",
.item = &BIGNUM_it,
},
{
.flags = 0,
.tag = 0,
.offset = offsetof(RSA, iqmp),
.field_name = "iqmp",
.item = &BIGNUM_it,
},
};
const ASN1_ITEM RSAPrivateKey_it = {
.itype = ASN1_ITYPE_SEQUENCE,
.utype = V_ASN1_SEQUENCE,
.templates = RSAPrivateKey_seq_tt,
.tcount = sizeof(RSAPrivateKey_seq_tt) / sizeof(ASN1_TEMPLATE),
.funcs = &RSAPrivateKey_aux,
.size = sizeof(RSA),
.sname = "RSA",
};
static const ASN1_AUX RSAPublicKey_aux = {
.app_data = NULL,
.flags = 0,
.ref_offset = 0,
.ref_lock = 0,
.asn1_cb = rsa_cb,
.enc_offset = 0,
};
static const ASN1_TEMPLATE RSAPublicKey_seq_tt[] = {
{
.flags = 0,
.tag = 0,
.offset = offsetof(RSA, n),
.field_name = "n",
.item = &BIGNUM_it,
},
{
.flags = 0,
.tag = 0,
.offset = offsetof(RSA, e),
.field_name = "e",
.item = &BIGNUM_it,
},
};
const ASN1_ITEM RSAPublicKey_it = {
.itype = ASN1_ITYPE_SEQUENCE,
.utype = V_ASN1_SEQUENCE,
.templates = RSAPublicKey_seq_tt,
.tcount = sizeof(RSAPublicKey_seq_tt) / sizeof(ASN1_TEMPLATE),
.funcs = &RSAPublicKey_aux,
.size = sizeof(RSA),
.sname = "RSA",
};
static int
rsa_pss_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
{
/* Free up maskHash */
if (operation == ASN1_OP_FREE_PRE) {
RSA_PSS_PARAMS *pss = (RSA_PSS_PARAMS *)*pval;
X509_ALGOR_free(pss->maskHash);
}
return 1;
}
static const ASN1_AUX RSA_PSS_PARAMS_aux = {
.app_data = NULL,
.flags = 0,
.ref_offset = 0,
.ref_lock = 0,
.asn1_cb = rsa_pss_cb,
.enc_offset = 0,
};
static const ASN1_TEMPLATE RSA_PSS_PARAMS_seq_tt[] = {
{
.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
.tag = 0,
.offset = offsetof(RSA_PSS_PARAMS, hashAlgorithm),
.field_name = "hashAlgorithm",
.item = &X509_ALGOR_it,
},
{
.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
.tag = 1,
.offset = offsetof(RSA_PSS_PARAMS, maskGenAlgorithm),
.field_name = "maskGenAlgorithm",
.item = &X509_ALGOR_it,
},
{
.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
.tag = 2,
.offset = offsetof(RSA_PSS_PARAMS, saltLength),
.field_name = "saltLength",
.item = &ASN1_INTEGER_it,
},
{
.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
.tag = 3,
.offset = offsetof(RSA_PSS_PARAMS, trailerField),
.field_name = "trailerField",
.item = &ASN1_INTEGER_it,
},
};
const ASN1_ITEM RSA_PSS_PARAMS_it = {
.itype = ASN1_ITYPE_SEQUENCE,
.utype = V_ASN1_SEQUENCE,
.templates = RSA_PSS_PARAMS_seq_tt,
.tcount = sizeof(RSA_PSS_PARAMS_seq_tt) / sizeof(ASN1_TEMPLATE),
.funcs = &RSA_PSS_PARAMS_aux,
.size = sizeof(RSA_PSS_PARAMS),
.sname = "RSA_PSS_PARAMS",
};
RSA_PSS_PARAMS *
d2i_RSA_PSS_PARAMS(RSA_PSS_PARAMS **a, const unsigned char **in, long len)
{
return (RSA_PSS_PARAMS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
&RSA_PSS_PARAMS_it);
}
int
i2d_RSA_PSS_PARAMS(RSA_PSS_PARAMS *a, unsigned char **out)
{
return ASN1_item_i2d((ASN1_VALUE *)a, out, &RSA_PSS_PARAMS_it);
}
RSA_PSS_PARAMS *
RSA_PSS_PARAMS_new(void)
{
return (RSA_PSS_PARAMS *)ASN1_item_new(&RSA_PSS_PARAMS_it);
}
void
RSA_PSS_PARAMS_free(RSA_PSS_PARAMS *a)
{
ASN1_item_free((ASN1_VALUE *)a, &RSA_PSS_PARAMS_it);
}
static int
rsa_oaep_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
{
/* Free up maskHash */
if (operation == ASN1_OP_FREE_PRE) {
RSA_OAEP_PARAMS *oaep = (RSA_OAEP_PARAMS *)*pval;
X509_ALGOR_free(oaep->maskHash);
}
return 1;
}
static const ASN1_AUX RSA_OAEP_PARAMS_aux = {
.app_data = NULL,
.flags = 0,
.ref_offset = 0,
.ref_lock = 0,
.asn1_cb = rsa_oaep_cb,
.enc_offset = 0,
};
static const ASN1_TEMPLATE RSA_OAEP_PARAMS_seq_tt[] = {
{
.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
.tag = 0,
.offset = offsetof(RSA_OAEP_PARAMS, hashFunc),
.field_name = "hashFunc",
.item = &X509_ALGOR_it,
},
{
.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
.tag = 1,
.offset = offsetof(RSA_OAEP_PARAMS, maskGenFunc),
.field_name = "maskGenFunc",
.item = &X509_ALGOR_it,
},
{
.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
.tag = 2,
.offset = offsetof(RSA_OAEP_PARAMS, pSourceFunc),
.field_name = "pSourceFunc",
.item = &X509_ALGOR_it,
},
};
const ASN1_ITEM RSA_OAEP_PARAMS_it = {
.itype = ASN1_ITYPE_SEQUENCE,
.utype = V_ASN1_SEQUENCE,
.templates = RSA_OAEP_PARAMS_seq_tt,
.tcount = sizeof(RSA_OAEP_PARAMS_seq_tt) / sizeof(ASN1_TEMPLATE),
.funcs = &RSA_OAEP_PARAMS_aux,
.size = sizeof(RSA_OAEP_PARAMS),
.sname = "RSA_OAEP_PARAMS",
};
RSA_OAEP_PARAMS *
d2i_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS **a, const unsigned char **in, long len)
{
return (RSA_OAEP_PARAMS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
&RSA_OAEP_PARAMS_it);
}
int
i2d_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS *a, unsigned char **out)
{
return ASN1_item_i2d((ASN1_VALUE *)a, out, &RSA_OAEP_PARAMS_it);
}
RSA_OAEP_PARAMS *
RSA_OAEP_PARAMS_new(void)
{
return (RSA_OAEP_PARAMS *)ASN1_item_new(&RSA_OAEP_PARAMS_it);
}
void
RSA_OAEP_PARAMS_free(RSA_OAEP_PARAMS *a)
{
ASN1_item_free((ASN1_VALUE *)a, &RSA_OAEP_PARAMS_it);
}
RSA *
d2i_RSAPrivateKey(RSA **a, const unsigned char **in, long len)
{
return (RSA *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
&RSAPrivateKey_it);
}
int
i2d_RSAPrivateKey(const RSA *a, unsigned char **out)
{
return ASN1_item_i2d((ASN1_VALUE *)a, out, &RSAPrivateKey_it);
}
RSA *
d2i_RSAPublicKey(RSA **a, const unsigned char **in, long len)
{
return (RSA *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
&RSAPublicKey_it);
}
int
i2d_RSAPublicKey(const RSA *a, unsigned char **out)
{
return ASN1_item_i2d((ASN1_VALUE *)a, out, &RSAPublicKey_it);
}
RSA *
RSAPublicKey_dup(RSA *rsa)
{
return ASN1_item_dup(&RSAPublicKey_it, rsa);
}
RSA *
RSAPrivateKey_dup(RSA *rsa)
{
return ASN1_item_dup(&RSAPrivateKey_it, rsa);
}