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rsa_asn1.c
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1 /* rsa_asn1.c */
2 /* Written by Dr Stephen N Henson ([email protected]) for the OpenSSL
3  * project 2000.
4  */
5 /* ====================================================================
6  * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
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22  * "This product includes software developed by the OpenSSL Project
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36  * "This product includes software developed by the OpenSSL Project
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52  *
53  * This product includes cryptographic software written by Eric Young
54  * ([email protected]). This product includes software written by Tim
55  * Hudson ([email protected]).
56  *
57  */
58 
59 #include <stdio.h>
60 #include "cryptlib.h"
61 #include <openssl/bn.h>
62 #include <openssl/rsa.h>
63 #include <openssl/x509.h>
64 #include <openssl/asn1t.h>
65 
66 /* Override the default free and new methods */
67 static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
68  void *exarg)
69 {
70  if(operation == ASN1_OP_NEW_PRE) {
71  *pval = (ASN1_VALUE *)RSA_new();
72  if(*pval) return 2;
73  return 0;
74  } else if(operation == ASN1_OP_FREE_PRE) {
75  RSA_free((RSA *)*pval);
76  *pval = NULL;
77  return 2;
78  }
79  return 1;
80 }
81 
83  ASN1_SIMPLE(RSA, version, LONG),
84  ASN1_SIMPLE(RSA, n, BIGNUM),
86  ASN1_SIMPLE(RSA, d, BIGNUM),
89  ASN1_SIMPLE(RSA, dmp1, BIGNUM),
90  ASN1_SIMPLE(RSA, dmq1, BIGNUM),
91  ASN1_SIMPLE(RSA, iqmp, BIGNUM)
93 
94 
95 ASN1_SEQUENCE_cb(RSAPublicKey, rsa_cb) = {
96  ASN1_SIMPLE(RSA, n, BIGNUM),
98 } ASN1_SEQUENCE_END_cb(RSA, RSAPublicKey)
99 
101  ASN1_EXP_OPT(RSA_PSS_PARAMS, hashAlgorithm, X509_ALGOR,0),
102  ASN1_EXP_OPT(RSA_PSS_PARAMS, maskGenAlgorithm, X509_ALGOR,1),
103  ASN1_EXP_OPT(RSA_PSS_PARAMS, saltLength, ASN1_INTEGER,2),
104  ASN1_EXP_OPT(RSA_PSS_PARAMS, trailerField, ASN1_INTEGER,3)
106 
108 
110 
111 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPublicKey, RSAPublicKey)
112 
113 RSA *RSAPublicKey_dup(RSA *rsa)
114  {
115  return ASN1_item_dup(ASN1_ITEM_rptr(RSAPublicKey), rsa);
116  }
117 
118 RSA *RSAPrivateKey_dup(RSA *rsa)
119  {
120  return ASN1_item_dup(ASN1_ITEM_rptr(RSAPrivateKey), rsa);
121  }