1 /* crypto/asn1/n_pkey.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
70 typedef struct netscape_pkey_st
72 ASN1_INTEGER
*version
;
74 ASN1_OCTET_STRING
*private_key
;
78 * ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ERR_R_ASN1_LENGTH_MISMATCH);
79 * ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_DECODING_ERROR);
80 * ASN1err(ASN1_F_D2I_NETSCAPE_PKEY,ASN1_R_DECODING_ERROR);
81 * ASN1err(ASN1_F_NETSCAPE_PKEY_NEW,ASN1_R_DECODING_ERROR);
84 static int i2d_NETSCAPE_PKEY(NETSCAPE_PKEY
*a
, unsigned char **pp
);
85 static NETSCAPE_PKEY
*d2i_NETSCAPE_PKEY(NETSCAPE_PKEY
**a
,unsigned char **pp
, long length
);
86 static NETSCAPE_PKEY
*NETSCAPE_PKEY_new(void);
87 static void NETSCAPE_PKEY_free(NETSCAPE_PKEY
*);
89 static int i2d_NETSCAPE_PKEY();
90 static NETSCAPE_PKEY
*d2i_NETSCAPE_PKEY();
91 static NETSCAPE_PKEY
*NETSCAPE_PKEY_new();
92 static void NETSCAPE_PKEY_free();
95 int i2d_Netscape_RSA(a
,pp
,cb
)
102 unsigned char buf
[256],*zz
;
103 unsigned char key
[EVP_MAX_KEY_LENGTH
];
105 X509_ALGOR
*alg
=NULL
;
106 ASN1_OCTET_STRING os
,os2
;
109 if (a
== NULL
) return(0);
112 r
=r
; /* shut the damn compiler up :-) */
115 os
.data
=os2
.data
=NULL
;
116 if ((pkey
=NETSCAPE_PKEY_new()) == NULL
) goto err
;
117 if (!ASN1_INTEGER_set(pkey
->version
,0)) goto err
;
119 if (pkey
->algor
->algorithm
!= NULL
)
120 ASN1_OBJECT_free(pkey
->algor
->algorithm
);
121 pkey
->algor
->algorithm
=OBJ_nid2obj(NID_rsaEncryption
);
122 if ((pkey
->algor
->parameter
=ASN1_TYPE_new()) == NULL
) goto err
;
123 pkey
->algor
->parameter
->type
=V_ASN1_NULL
;
125 l
[0]=i2d_RSAPrivateKey(a
,NULL
);
126 pkey
->private_key
->length
=l
[0];
128 os2
.length
=i2d_NETSCAPE_PKEY(pkey
,NULL
);
129 l
[1]=i2d_ASN1_OCTET_STRING(&os2
,NULL
);
131 if ((alg
=X509_ALGOR_new()) == NULL
) goto err
;
132 if (alg
->algorithm
!= NULL
)
133 ASN1_OBJECT_free(alg
->algorithm
);
134 alg
->algorithm
=OBJ_nid2obj(NID_rc4
);
135 if ((alg
->parameter
=ASN1_TYPE_new()) == NULL
) goto err
;
136 alg
->parameter
->type
=V_ASN1_NULL
;
138 l
[2]=i2d_X509_ALGOR(alg
,NULL
);
139 l
[3]=ASN1_object_size(1,l
[2]+l
[1],V_ASN1_SEQUENCE
);
141 os
.data
=(unsigned char *)"private-key";
143 l
[4]=i2d_ASN1_OCTET_STRING(&os
,NULL
);
145 l
[5]=ASN1_object_size(1,l
[4]+l
[3],V_ASN1_SEQUENCE
);
149 if (pkey
!= NULL
) NETSCAPE_PKEY_free(pkey
);
150 if (alg
!= NULL
) X509_ALGOR_free(alg
);
154 if (pkey
->private_key
->data
!= NULL
)
155 Free((char *)pkey
->private_key
->data
);
156 if ((pkey
->private_key
->data
=(unsigned char *)Malloc(l
[0])) == NULL
)
158 ASN1err(ASN1_F_I2D_NETSCAPE_RSA
,ERR_R_MALLOC_FAILURE
);
161 zz
=pkey
->private_key
->data
;
162 i2d_RSAPrivateKey(a
,&zz
);
164 if ((os2
.data
=(unsigned char *)Malloc(os2
.length
)) == NULL
)
166 ASN1err(ASN1_F_I2D_NETSCAPE_RSA
,ERR_R_MALLOC_FAILURE
);
170 i2d_NETSCAPE_PKEY(pkey
,&zz
);
173 cb
=EVP_read_pw_string
;
174 i
=cb(buf
,256,"Enter Private Key password:",1);
177 ASN1err(ASN1_F_I2D_NETSCAPE_RSA
,ASN1_R_BAD_PASSWORD_READ
);
180 EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL
,buf
,
181 strlen((char *)buf
),1,key
,NULL
);
184 EVP_CIPHER_CTX_init(&ctx
);
185 EVP_EncryptInit(&ctx
,EVP_rc4(),key
,NULL
);
186 EVP_EncryptUpdate(&ctx
,os2
.data
,&i
,os2
.data
,os2
.length
);
187 EVP_EncryptFinal(&ctx
,&(os2
.data
[i
]),&j
);
188 EVP_CIPHER_CTX_cleanup(&ctx
);
191 ASN1_put_object(&p
,1,l
[4]+l
[3],V_ASN1_SEQUENCE
,V_ASN1_UNIVERSAL
);
192 i2d_ASN1_OCTET_STRING(&os
,&p
);
193 ASN1_put_object(&p
,1,l
[2]+l
[1],V_ASN1_SEQUENCE
,V_ASN1_UNIVERSAL
);
194 i2d_X509_ALGOR(alg
,&p
);
195 i2d_ASN1_OCTET_STRING(&os2
,&p
);
198 if (os2
.data
!= NULL
) Free((char *)os2
.data
);
199 if (alg
!= NULL
) X509_ALGOR_free(alg
);
200 if (pkey
!= NULL
) NETSCAPE_PKEY_free(pkey
);
205 RSA
*d2i_Netscape_RSA(a
,pp
,length
,cb
)
212 ASN1_OCTET_STRING
*os
=NULL
;
216 c
.error
=ASN1_R_DECODING_ERROR
;
219 M_ASN1_D2I_start_sequence();
220 M_ASN1_D2I_get(os
,d2i_ASN1_OCTET_STRING
);
221 if ((os
->length
!= 11) || (strncmp("private-key",
222 (char *)os
->data
,os
->length
) != 0))
224 ASN1err(ASN1_F_D2I_NETSCAPE_RSA
,ASN1_R_PRIVATE_KEY_HEADER_MISSING
);
225 ASN1_BIT_STRING_free(os
);
228 ASN1_BIT_STRING_free(os
);
230 if ((ret
=d2i_Netscape_RSA_2(a
,&c
.p
,c
.slen
,cb
)) == NULL
) goto err
;
233 M_ASN1_D2I_Finish(a
,RSA_free
,ASN1_F_D2I_NETSCAPE_RSA
);
236 RSA
*d2i_Netscape_RSA_2(a
,pp
,length
,cb
)
242 NETSCAPE_PKEY
*pkey
=NULL
;
245 unsigned char buf
[256],*zz
;
246 unsigned char key
[EVP_MAX_KEY_LENGTH
];
248 X509_ALGOR
*alg
=NULL
;
249 ASN1_OCTET_STRING
*os
=NULL
;
252 c
.error
=ERR_R_NESTED_ASN1_ERROR
;
256 M_ASN1_D2I_start_sequence();
257 M_ASN1_D2I_get(alg
,d2i_X509_ALGOR
);
258 if (OBJ_obj2nid(alg
->algorithm
) != NID_rc4
)
260 ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2
,ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM
);
263 M_ASN1_D2I_get(os
,d2i_ASN1_OCTET_STRING
);
265 cb
=EVP_read_pw_string
;
266 i
=cb(buf
,256,"Enter Private Key password:",0);
269 ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2
,ASN1_R_BAD_PASSWORD_READ
);
273 EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL
,buf
,
274 strlen((char *)buf
),1,key
,NULL
);
277 EVP_CIPHER_CTX_init(&ctx
);
278 EVP_DecryptInit(&ctx
,EVP_rc4(),key
,NULL
);
279 EVP_DecryptUpdate(&ctx
,os
->data
,&i
,os
->data
,os
->length
);
280 EVP_DecryptFinal(&ctx
,&(os
->data
[i
]),&j
);
281 EVP_CIPHER_CTX_cleanup(&ctx
);
286 if ((pkey
=d2i_NETSCAPE_PKEY(NULL
,&zz
,os
->length
)) == NULL
)
288 ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2
,ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE_KEY
);
292 zz
=pkey
->private_key
->data
;
293 if ((ret
=d2i_RSAPrivateKey(a
,&zz
,pkey
->private_key
->length
)) == NULL
)
295 ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2
,ASN1_R_UNABLE_TO_DECODE_RSA_KEY
);
298 if (!asn1_Finish(&c
)) goto err
;
301 if (pkey
!= NULL
) NETSCAPE_PKEY_free(pkey
);
302 if (os
!= NULL
) ASN1_BIT_STRING_free(os
);
303 if (alg
!= NULL
) X509_ALGOR_free(alg
);
307 static int i2d_NETSCAPE_PKEY(a
,pp
)
314 M_ASN1_I2D_len(a
->version
, i2d_ASN1_INTEGER
);
315 M_ASN1_I2D_len(a
->algor
, i2d_X509_ALGOR
);
316 M_ASN1_I2D_len(a
->private_key
, i2d_ASN1_OCTET_STRING
);
318 M_ASN1_I2D_seq_total();
320 M_ASN1_I2D_put(a
->version
, i2d_ASN1_INTEGER
);
321 M_ASN1_I2D_put(a
->algor
, i2d_X509_ALGOR
);
322 M_ASN1_I2D_put(a
->private_key
, i2d_ASN1_OCTET_STRING
);
327 static NETSCAPE_PKEY
*d2i_NETSCAPE_PKEY(a
,pp
,length
)
332 M_ASN1_D2I_vars(a
,NETSCAPE_PKEY
*,NETSCAPE_PKEY_new
);
335 M_ASN1_D2I_start_sequence();
336 M_ASN1_D2I_get(ret
->version
,d2i_ASN1_INTEGER
);
337 M_ASN1_D2I_get(ret
->algor
,d2i_X509_ALGOR
);
338 M_ASN1_D2I_get(ret
->private_key
,d2i_ASN1_OCTET_STRING
);
339 M_ASN1_D2I_Finish(a
,NETSCAPE_PKEY_free
,ASN1_F_D2I_NETSCAPE_PKEY
);
342 static NETSCAPE_PKEY
*NETSCAPE_PKEY_new()
344 NETSCAPE_PKEY
*ret
=NULL
;
347 M_ASN1_New_Malloc(ret
,NETSCAPE_PKEY
);
348 M_ASN1_New(ret
->version
,ASN1_INTEGER_new
);
349 M_ASN1_New(ret
->algor
,X509_ALGOR_new
);
350 M_ASN1_New(ret
->private_key
,ASN1_OCTET_STRING_new
);
352 M_ASN1_New_Error(ASN1_F_NETSCAPE_PKEY_NEW
);
355 static void NETSCAPE_PKEY_free(a
)
358 if (a
== NULL
) return;
359 ASN1_INTEGER_free(a
->version
);
360 X509_ALGOR_free(a
->algor
);
361 ASN1_OCTET_STRING_free(a
->private_key
);