/src/openssl30/crypto/rsa/rsa_asn1.c

Source (jump to first uncovered line)
/*
 * Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

/*
 * RSA low level APIs are deprecated for public use, but still ok for
 * internal use.
 */
#include "internal/deprecated.h"

#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/bn.h>
#include <openssl/x509.h>
#include <openssl/asn1t.h>
#include "rsa_local.h"

/*
 * Override the default free and new methods,
 * and calculate helper products for multi-prime
 * RSA keys.
 */
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 != NULL)
            return 2;
        return 0;
    } else if (operation == ASN1_OP_FREE_PRE) {
        RSA_free((RSA *)*pval);
        *pval = NULL;
        return 2;
    } else if (operation == ASN1_OP_D2I_POST) {
        if (((RSA *)*pval)->version != RSA_ASN1_VERSION_MULTI) {
            /* not a multi-prime key, skip */
            return 1;
        }
        return (ossl_rsa_multip_calc_product((RSA *)*pval) == 1) ? 2 : 0;
    }
    return 1;
}

/* Based on definitions in RFC 8017 appendix A.1.2 */
ASN1_SEQUENCE(RSA_PRIME_INFO) = {
        ASN1_SIMPLE(RSA_PRIME_INFO, r, CBIGNUM),
        ASN1_SIMPLE(RSA_PRIME_INFO, d, CBIGNUM),
        ASN1_SIMPLE(RSA_PRIME_INFO, t, CBIGNUM),
} ASN1_SEQUENCE_END(RSA_PRIME_INFO)

ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = {
        ASN1_EMBED(RSA, version, INT32),
        ASN1_SIMPLE(RSA, n, BIGNUM),
        ASN1_SIMPLE(RSA, e, BIGNUM),
        ASN1_SIMPLE(RSA, d, CBIGNUM),
        ASN1_SIMPLE(RSA, p, CBIGNUM),
        ASN1_SIMPLE(RSA, q, CBIGNUM),
        ASN1_SIMPLE(RSA, dmp1, CBIGNUM),
        ASN1_SIMPLE(RSA, dmq1, CBIGNUM),
        ASN1_SIMPLE(RSA, iqmp, CBIGNUM),
        ASN1_SEQUENCE_OF_OPT(RSA, prime_infos, RSA_PRIME_INFO)
} ASN1_SEQUENCE_END_cb(RSA, RSAPrivateKey)


ASN1_SEQUENCE_cb(RSAPublicKey, rsa_cb) = {
        ASN1_SIMPLE(RSA, n, BIGNUM),
        ASN1_SIMPLE(RSA, e, BIGNUM),
} ASN1_SEQUENCE_END_cb(RSA, RSAPublicKey)

/* Free up maskHash */
static int rsa_pss_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
                      void *exarg)
{
    if (operation == ASN1_OP_FREE_PRE) {
        RSA_PSS_PARAMS *pss = (RSA_PSS_PARAMS *)*pval;
        X509_ALGOR_free(pss->maskHash);
    }
    return 1;
}

ASN1_SEQUENCE_cb(RSA_PSS_PARAMS, rsa_pss_cb) = {
        ASN1_EXP_OPT(RSA_PSS_PARAMS, hashAlgorithm, X509_ALGOR,0),
        ASN1_EXP_OPT(RSA_PSS_PARAMS, maskGenAlgorithm, X509_ALGOR,1),
        ASN1_EXP_OPT(RSA_PSS_PARAMS, saltLength, ASN1_INTEGER,2),
        ASN1_EXP_OPT(RSA_PSS_PARAMS, trailerField, ASN1_INTEGER,3)
} ASN1_SEQUENCE_END_cb(RSA_PSS_PARAMS, RSA_PSS_PARAMS)

IMPLEMENT_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
IMPLEMENT_ASN1_DUP_FUNCTION(RSA_PSS_PARAMS)

/* Free up maskHash */
static int rsa_oaep_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
                       void *exarg)
{
    if (operation == ASN1_OP_FREE_PRE) {
        RSA_OAEP_PARAMS *oaep = (RSA_OAEP_PARAMS *)*pval;
        X509_ALGOR_free(oaep->maskHash);
    }
    return 1;
}

ASN1_SEQUENCE_cb(RSA_OAEP_PARAMS, rsa_oaep_cb) = {
        ASN1_EXP_OPT(RSA_OAEP_PARAMS, hashFunc, X509_ALGOR, 0),
        ASN1_EXP_OPT(RSA_OAEP_PARAMS, maskGenFunc, X509_ALGOR, 1),
        ASN1_EXP_OPT(RSA_OAEP_PARAMS, pSourceFunc, X509_ALGOR, 2),
} ASN1_SEQUENCE_END_cb(RSA_OAEP_PARAMS, RSA_OAEP_PARAMS)

IMPLEMENT_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)

IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(RSA, RSAPrivateKey, RSAPrivateKey)

IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(RSA, RSAPublicKey, RSAPublicKey)

RSA *RSAPublicKey_dup(const RSA *rsa)
{
    return ASN1_item_dup(ASN1_ITEM_rptr(RSAPublicKey), rsa);
}

RSA *RSAPrivateKey_dup(const RSA *rsa)
{
    return ASN1_item_dup(ASN1_ITEM_rptr(RSAPrivateKey), rsa);
}

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		/*
11		* RSA low level APIs are deprecated for public use, but still ok for
12		* internal use.
13		*/
14		#include "internal/deprecated.h"
15
16		#include <stdio.h>
17		#include "internal/cryptlib.h"
18		#include <openssl/bn.h>
19		#include <openssl/x509.h>
20		#include <openssl/asn1t.h>
21		#include "rsa_local.h"
22
23		/*
24		* Override the default free and new methods,
25		* and calculate helper products for multi-prime
26		* RSA keys.
27		*/
28		static int rsa_cb(int operation, ASN1_VALUE *pval, const ASN1_ITEM it,
29		void *exarg)
30	737k	{
31	737k	if (operation == ASN1_OP_NEW_PRE) {
32	240k	pval = (ASN1_VALUE )RSA_new();
33	240k	if (*pval != NULL)
34	240k	return 2;
35	0	return 0;
36	497k	} else if (operation == ASN1_OP_FREE_PRE) {
37	161k	RSA_free((RSA )pval);
38	161k	*pval = NULL;
39	161k	return 2;
40	335k	} else if (operation == ASN1_OP_D2I_POST) {
41	81.2k	if (((RSA )pval)->version != RSA_ASN1_VERSION_MULTI) {
42		/* not a multi-prime key, skip */
43	78.3k	return 1;
44	78.3k	}
45	2.86k	return (ossl_rsa_multip_calc_product((RSA )pval) == 1) ? 2 : 0;
46	81.2k	}
47	254k	return 1;
48	737k	}
49
50		/* Based on definitions in RFC 8017 appendix A.1.2 */
51		ASN1_SEQUENCE(RSA_PRIME_INFO) = {
52		ASN1_SIMPLE(RSA_PRIME_INFO, r, CBIGNUM),
53		ASN1_SIMPLE(RSA_PRIME_INFO, d, CBIGNUM),
54		ASN1_SIMPLE(RSA_PRIME_INFO, t, CBIGNUM),
55		} ASN1_SEQUENCE_END(RSA_PRIME_INFO)
56
57		ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = {
58		ASN1_EMBED(RSA, version, INT32),
59		ASN1_SIMPLE(RSA, n, BIGNUM),
60		ASN1_SIMPLE(RSA, e, BIGNUM),
61		ASN1_SIMPLE(RSA, d, CBIGNUM),
62		ASN1_SIMPLE(RSA, p, CBIGNUM),
63		ASN1_SIMPLE(RSA, q, CBIGNUM),
64		ASN1_SIMPLE(RSA, dmp1, CBIGNUM),
65		ASN1_SIMPLE(RSA, dmq1, CBIGNUM),
66		ASN1_SIMPLE(RSA, iqmp, CBIGNUM),
67		ASN1_SEQUENCE_OF_OPT(RSA, prime_infos, RSA_PRIME_INFO)
68		} ASN1_SEQUENCE_END_cb(RSA, RSAPrivateKey)
69
70
71		ASN1_SEQUENCE_cb(RSAPublicKey, rsa_cb) = {
72		ASN1_SIMPLE(RSA, n, BIGNUM),
73		ASN1_SIMPLE(RSA, e, BIGNUM),
74		} ASN1_SEQUENCE_END_cb(RSA, RSAPublicKey)
75
76		/* Free up maskHash */
77		static int rsa_pss_cb(int operation, ASN1_VALUE *pval, const ASN1_ITEM it,
78		void *exarg)
79	252k	{
80	252k	if (operation == ASN1_OP_FREE_PRE) {
81	46.9k	RSA_PSS_PARAMS pss = (RSA_PSS_PARAMS )*pval;
82	46.9k	X509_ALGOR_free(pss->maskHash);
83	46.9k	}
84	252k	return 1;
85	252k	}
86
87		ASN1_SEQUENCE_cb(RSA_PSS_PARAMS, rsa_pss_cb) = {
88		ASN1_EXP_OPT(RSA_PSS_PARAMS, hashAlgorithm, X509_ALGOR,0),
89		ASN1_EXP_OPT(RSA_PSS_PARAMS, maskGenAlgorithm, X509_ALGOR,1),
90		ASN1_EXP_OPT(RSA_PSS_PARAMS, saltLength, ASN1_INTEGER,2),
91		ASN1_EXP_OPT(RSA_PSS_PARAMS, trailerField, ASN1_INTEGER,3)
92		} ASN1_SEQUENCE_END_cb(RSA_PSS_PARAMS, RSA_PSS_PARAMS)
93
94		IMPLEMENT_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
95		IMPLEMENT_ASN1_DUP_FUNCTION(RSA_PSS_PARAMS)
96
97		/* Free up maskHash */
98		static int rsa_oaep_cb(int operation, ASN1_VALUE *pval, const ASN1_ITEM it,
99		void *exarg)
100	144k	{
101	144k	if (operation == ASN1_OP_FREE_PRE) {
102	28.9k	RSA_OAEP_PARAMS oaep = (RSA_OAEP_PARAMS )*pval;
103	28.9k	X509_ALGOR_free(oaep->maskHash);
104	28.9k	}
105	144k	return 1;
106	144k	}
107
108		ASN1_SEQUENCE_cb(RSA_OAEP_PARAMS, rsa_oaep_cb) = {
109		ASN1_EXP_OPT(RSA_OAEP_PARAMS, hashFunc, X509_ALGOR, 0),
110		ASN1_EXP_OPT(RSA_OAEP_PARAMS, maskGenFunc, X509_ALGOR, 1),
111		ASN1_EXP_OPT(RSA_OAEP_PARAMS, pSourceFunc, X509_ALGOR, 2),
112		} ASN1_SEQUENCE_END_cb(RSA_OAEP_PARAMS, RSA_OAEP_PARAMS)
113
114		IMPLEMENT_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)
115
116		IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(RSA, RSAPrivateKey, RSAPrivateKey)
117
118		IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(RSA, RSAPublicKey, RSAPublicKey)
119
120		RSA RSAPublicKey_dup(const RSA rsa)
121	0	{
122	0	return ASN1_item_dup(ASN1_ITEM_rptr(RSAPublicKey), rsa);
123	0	}
124
125		RSA RSAPrivateKey_dup(const RSA rsa)
126	0	{
127	0	return ASN1_item_dup(ASN1_ITEM_rptr(RSAPrivateKey), rsa);
128	0	}

Coverage Report

Created: 2023-09-25 06:45