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Submitted by: "Victor B. Wagner" <vitus@cryptocom.ru>

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Make {d2i,i2d}_PrivateKey() fall back to PKCS#8 format if no legacy format
supported. Add support in d2i_AutoPrivateKey().
This commit is contained in:
Dr. Stephen Henson 2007-11-20 13:37:51 +00:00
parent f670738987
commit 94e6ae7a69
4 changed files with 45 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
crypto/asn1/asn1.h
View File

@ -1185,6 +1185,7 @@ void ERR_load_ASN1_strings(void);
#define ASN1_F_D2I_ASN1_TYPE_BYTES 149
#define ASN1_F_D2I_ASN1_UINTEGER 150
#define ASN1_F_D2I_ASN1_UTCTIME 151
#define ASN1_F_D2I_AUTOPRIVATEKEY 207
#define ASN1_F_D2I_NETSCAPE_RSA 152
#define ASN1_F_D2I_NETSCAPE_RSA_2 153
#define ASN1_F_D2I_PRIVATEKEY 154

3
crypto/asn1/asn1_err.c
View File

@ -1,6 +1,6 @@
/* crypto/asn1/asn1_err.c */
/* ====================================================================
* Copyright (c) 1999-2006 The OpenSSL Project. All rights reserved.
* Copyright (c) 1999-2007 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
@ -147,6 +147,7 @@ static ERR_STRING_DATA ASN1_str_functs[]=
{ERR_FUNC(ASN1_F_D2I_ASN1_TYPE_BYTES), "d2i_ASN1_type_bytes"},
{ERR_FUNC(ASN1_F_D2I_ASN1_UINTEGER), "d2i_ASN1_UINTEGER"},
{ERR_FUNC(ASN1_F_D2I_ASN1_UTCTIME), "D2I_ASN1_UTCTIME"},
{ERR_FUNC(ASN1_F_D2I_AUTOPRIVATEKEY), "d2i_AutoPrivateKey"},
{ERR_FUNC(ASN1_F_D2I_NETSCAPE_RSA), "d2i_Netscape_RSA"},
{ERR_FUNC(ASN1_F_D2I_NETSCAPE_RSA_2), "D2I_NETSCAPE_RSA_2"},
{ERR_FUNC(ASN1_F_D2I_PRIVATEKEY), "d2i_PrivateKey"},

38
crypto/asn1/d2i_pr.c
View File

@ -64,6 +64,7 @@
#ifndef OPENSSL_NO_ENGINE
#include <openssl/engine.h>
#endif
#include <openssl/x509.h>
#include <openssl/asn1.h>
#include "asn1_locl.h"
@ -101,9 +102,22 @@ EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
if (!ret->ameth->old_priv_decode ||
!ret->ameth->old_priv_decode(ret, pp, length))
{
ASN1err(ASN1_F_D2I_PRIVATEKEY,ERR_R_ASN1_LIB);
goto err;
}
if (ret->ameth->priv_decode)
{
PKCS8_PRIV_KEY_INFO *p8=NULL;
p8=d2i_PKCS8_PRIV_KEY_INFO(NULL,pp,length);
if (!p8) goto err;
EVP_PKEY_free(ret);
ret = EVP_PKCS82PKEY(p8);
PKCS8_PRIV_KEY_INFO_free(p8);
}
else
{
ASN1err(ASN1_F_D2I_PRIVATEKEY,ERR_R_ASN1_LIB);
goto err;
}
}
if (a != NULL) (*a)=ret;
return(ret);
err:
@ -132,6 +146,24 @@ EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
keytype = EVP_PKEY_DSA;
else if (sk_ASN1_TYPE_num(inkey) == 4)
keytype = EVP_PKEY_EC;
else if (sk_ASN1_TYPE_num(inkey) == 3)
{ /* This seems to be PKCS8, not traditional format */
PKCS8_PRIV_KEY_INFO *p8 = d2i_PKCS8_PRIV_KEY_INFO(NULL,pp,length);
EVP_PKEY *ret;
sk_ASN1_TYPE_pop_free(inkey, ASN1_TYPE_free);
if (!p8)
{
ASN1err(ASN1_F_D2I_AUTOPRIVATEKEY,ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE);
return NULL;
}
ret = EVP_PKCS82PKEY(p8);
PKCS8_PRIV_KEY_INFO_free(p8);
if (a) {
*a = ret;
}
return ret;
}
else keytype = EVP_PKEY_RSA;
sk_ASN1_TYPE_pop_free(inkey, ASN1_TYPE_free);
return d2i_PrivateKey(keytype, a, pp, length);

7
crypto/asn1/i2d_pr.c
View File

@ -59,6 +59,7 @@
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/evp.h>
#include <openssl/x509.h>
#include "asn1_locl.h"
int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp)
@ -67,6 +68,12 @@ int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp)
{
return a->ameth->old_priv_encode(a, pp);
}
if (a->ameth && a->ameth->priv_encode) {
PKCS8_PRIV_KEY_INFO *p8 = EVP_PKEY2PKCS8(a);
int ret = i2d_PKCS8_PRIV_KEY_INFO(p8,pp);
PKCS8_PRIV_KEY_INFO_free(p8);
return ret;
}
ASN1err(ASN1_F_I2D_PRIVATEKEY,ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE);
return(-1);
}