Import of old SSLeay release: SSLeay 0.8.1b

1 files changed, 364 insertions, 0 deletions

diff --git a/crypto/asn1/n_pkey.c b/crypto/asn1/n_pkey.c
new file mode 100644
index 0000000000..6353d18c53
--- /dev/null
+++ b/crypto/asn1/n_pkey.c
@@ -0,0 +1,364 @@
+/* crypto/asn1/n_pkey.c */
+/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ * 
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ * 
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ * 
+ * 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 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 acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from 
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ * 
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ * 
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include "rsa.h"
+#include "objects.h"
+#include "asn1_mac.h"
+#include "evp.h"
+#include "x509.h"
+
+
+#ifndef NO_RC4
+
+typedef struct netscape_pkey_st
+	{
+	ASN1_INTEGER *version;
+	X509_ALGOR *algor;
+	ASN1_OCTET_STRING *private_key;
+	} NETSCAPE_PKEY;
+
+/*
+ * ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_LENGTH_MISMATCH);
+ * ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_DECODING_ERROR);
+ * ASN1err(ASN1_F_D2I_NETSCAPE_PKEY,ASN1_R_DECODING_ERROR);
+ * ASN1err(ASN1_F_NETSCAPE_PKEY_NEW,ASN1_R_DECODING_ERROR);
+ */
+#ifndef NOPROTO
+static RSA *d2i_Netscape_RSA_2(RSA **a, unsigned char **pp, long length,
+	int (*cb)());
+static int i2d_NETSCAPE_PKEY(NETSCAPE_PKEY *a, unsigned char **pp);
+static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY(NETSCAPE_PKEY **a,unsigned char **pp, long length);
+static NETSCAPE_PKEY *NETSCAPE_PKEY_new(void);
+static void NETSCAPE_PKEY_free(NETSCAPE_PKEY *);
+#else
+static RSA *d2i_Netscape_RSA_2();
+static int i2d_NETSCAPE_PKEY();
+static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY();
+static NETSCAPE_PKEY *NETSCAPE_PKEY_new();
+static void NETSCAPE_PKEY_free();
+#endif
+
+int i2d_Netscape_RSA(a,pp,cb)
+RSA *a;
+unsigned char **pp;
+int (*cb)();
+	{
+	int i,j,l[6];
+	NETSCAPE_PKEY *pkey;
+	unsigned char buf[256],*zz;
+	unsigned char key[EVP_MAX_KEY_LENGTH];
+	EVP_CIPHER_CTX ctx;
+	X509_ALGOR *alg=NULL;
+	ASN1_OCTET_STRING os,os2;
+	M_ASN1_I2D_vars(a);
+
+	if (a == NULL) return(0);
+
+#ifdef WIN32
+	r=r; /* shut the damn compiler up :-) */
+#endif
+
+	os.data=os2.data=NULL;
+	if ((pkey=NETSCAPE_PKEY_new()) == NULL) goto err;
+	if (!ASN1_INTEGER_set(pkey->version,0)) goto err;
+
+	if (pkey->algor->algorithm != NULL)
+		ASN1_OBJECT_free(pkey->algor->algorithm);
+	pkey->algor->algorithm=OBJ_nid2obj(NID_rsaEncryption);
+	if ((pkey->algor->parameter=ASN1_TYPE_new()) == NULL) goto err;
+	pkey->algor->parameter->type=V_ASN1_NULL;
+
+	l[0]=i2d_RSAPrivateKey(a,NULL);
+	pkey->private_key->length=l[0];
+
+	os2.length=i2d_NETSCAPE_PKEY(pkey,NULL);
+	l[1]=i2d_ASN1_OCTET_STRING(&os2,NULL);
+
+	if ((alg=X509_ALGOR_new()) == NULL) goto err;
+	if (alg->algorithm != NULL)
+		ASN1_OBJECT_free(alg->algorithm);
+	alg->algorithm=OBJ_nid2obj(NID_rc4);
+	if ((alg->parameter=ASN1_TYPE_new()) == NULL) goto err;
+	alg->parameter->type=V_ASN1_NULL;
+
+	l[2]=i2d_X509_ALGOR(alg,NULL);
+	l[3]=ASN1_object_size(1,l[2]+l[1],V_ASN1_SEQUENCE);
+
+	os.data=(unsigned char *)"private-key";
+	os.length=11;
+	l[4]=i2d_ASN1_OCTET_STRING(&os,NULL);
+
+	l[5]=ASN1_object_size(1,l[4]+l[3],V_ASN1_SEQUENCE);
+
+	if (pp == NULL)
+		{
+		if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
+		if (alg != NULL) X509_ALGOR_free(alg);
+		return(l[5]);
+		}
+
+	if (pkey->private_key->data != NULL)
+		Free((char *)pkey->private_key->data);
+	if ((pkey->private_key->data=(unsigned char *)Malloc(l[0])) == NULL)
+		{
+		ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE);
+		goto err;
+		}
+	zz=pkey->private_key->data;
+	i2d_RSAPrivateKey(a,&zz);
+
+	if ((os2.data=(unsigned char *)Malloc(os2.length)) == NULL)
+		{
+		ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE);
+		goto err;
+		}
+	zz=os2.data;
+	i2d_NETSCAPE_PKEY(pkey,&zz);
+		
+	if (cb == NULL)
+		cb=EVP_read_pw_string;
+	i=cb(buf,256,"Enter Private Key password:",1);
+	if (i != 0)
+		{
+		ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ASN1_R_BAD_PASSWORD_READ);
+		goto err;
+		}
+	EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,
+		strlen((char *)buf),1,key,NULL);
+	memset(buf,0,256);
+	EVP_EncryptInit(&ctx,EVP_rc4(),key,NULL);
+	EVP_EncryptUpdate(&ctx,os2.data,&i,os2.data,os2.length);
+	EVP_EncryptFinal(&ctx,&(os2.data[i]),&j);
+	EVP_CIPHER_CTX_cleanup(&ctx);
+
+	p= *pp;
+	ASN1_put_object(&p,1,l[4]+l[3],V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
+	i2d_ASN1_OCTET_STRING(&os,&p);
+	ASN1_put_object(&p,1,l[2]+l[1],V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
+	i2d_X509_ALGOR(alg,&p);
+	i2d_ASN1_OCTET_STRING(&os2,&p);
+	ret=l[5];
+err:
+	if (os2.data != NULL) Free((char *)os2.data);
+	if (alg != NULL) X509_ALGOR_free(alg);
+	if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
+	r=r;
+	return(ret);
+	}
+
+RSA *d2i_Netscape_RSA(a,pp,length,cb)
+RSA **a;
+unsigned char **pp;
+long length;
+int (*cb)();
+	{
+	RSA *ret=NULL;
+	ASN1_OCTET_STRING *os=NULL;
+	ASN1_CTX c;
+
+	c.pp=pp;
+	c.error=ASN1_R_DECODING_ERROR;
+
+	M_ASN1_D2I_Init();
+	M_ASN1_D2I_start_sequence();
+	M_ASN1_D2I_get(os,d2i_ASN1_OCTET_STRING);
+	if ((os->length != 11) || (strncmp("private-key",
+		(char *)os->data,os->length) != 0))
+		{
+		ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_PRIVATE_KEY_HEADER_MISSING);
+		ASN1_BIT_STRING_free(os);
+		goto err;
+		}
+	ASN1_BIT_STRING_free(os);
+	c.q=c.p;
+	if ((ret=d2i_Netscape_RSA_2(a,&c.p,c.slen,cb)) == NULL) goto err;
+	c.slen-=(c.p-c.q);
+
+	M_ASN1_D2I_Finish(a,RSA_free,ASN1_F_D2I_NETSCAPE_RSA);
+	}
+
+static RSA *d2i_Netscape_RSA_2(a,pp,length,cb)
+RSA **a;
+unsigned char **pp;
+long length;
+int (*cb)();
+	{
+	NETSCAPE_PKEY *pkey=NULL;
+	RSA *ret=NULL;
+	int i,j;
+	unsigned char buf[256],*zz;
+	unsigned char key[EVP_MAX_KEY_LENGTH];
+	EVP_CIPHER_CTX ctx;
+	X509_ALGOR *alg=NULL;
+	ASN1_OCTET_STRING *os=NULL;
+	ASN1_CTX c;
+
+	c.error=ASN1_R_ERROR_STACK;
+	c.pp=pp;
+
+	M_ASN1_D2I_Init();
+	M_ASN1_D2I_start_sequence();
+	M_ASN1_D2I_get(alg,d2i_X509_ALGOR);
+	if (OBJ_obj2nid(alg->algorithm) != NID_rc4)
+		{
+		ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM);
+		goto err;
+		}
+	M_ASN1_D2I_get(os,d2i_ASN1_OCTET_STRING);
+	if (cb == NULL)
+		cb=EVP_read_pw_string;
+	i=cb(buf,256,"Enter Private Key password:",0);
+	if (i != 0)
+		{
+		ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_BAD_PASSWORD_READ);
+		goto err;
+		}
+
+	EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,
+		strlen((char *)buf),1,key,NULL);
+	memset(buf,0,256);
+	EVP_DecryptInit(&ctx,EVP_rc4(),key,NULL);
+	EVP_DecryptUpdate(&ctx,os->data,&i,os->data,os->length);
+	EVP_DecryptFinal(&ctx,&(os->data[i]),&j);
+	EVP_CIPHER_CTX_cleanup(&ctx);
+	os->length=i+j;
+
+	zz=os->data;
+
+	if ((pkey=d2i_NETSCAPE_PKEY(NULL,&zz,os->length)) == NULL)
+		{
+		ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE_KEY);
+		goto err;
+		}
+		
+	zz=pkey->private_key->data;
+	if ((ret=d2i_RSAPrivateKey(a,&zz,pkey->private_key->length)) == NULL)
+		{
+		ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNABLE_TO_DECODE_RSA_KEY);
+		goto err;
+		}
+	if (!asn1_Finish(&c)) goto err;
+	*pp=c.p;
+err:
+	if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
+	if (os != NULL) ASN1_BIT_STRING_free(os);
+	if (alg != NULL) X509_ALGOR_free(alg);
+	return(ret);
+	}
+
+static int i2d_NETSCAPE_PKEY(a,pp)
+NETSCAPE_PKEY *a;
+unsigned char **pp;
+	{
+	M_ASN1_I2D_vars(a);
+
+
+	M_ASN1_I2D_len(a->version,	i2d_ASN1_INTEGER);
+	M_ASN1_I2D_len(a->algor,	i2d_X509_ALGOR);
+	M_ASN1_I2D_len(a->private_key,	i2d_ASN1_OCTET_STRING);
+
+	M_ASN1_I2D_seq_total();
+
+	M_ASN1_I2D_put(a->version,	i2d_ASN1_INTEGER);
+	M_ASN1_I2D_put(a->algor,	i2d_X509_ALGOR);
+	M_ASN1_I2D_put(a->private_key,	i2d_ASN1_OCTET_STRING);
+
+	M_ASN1_I2D_finish();
+	}
+
+static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY(a,pp,length)
+NETSCAPE_PKEY **a;
+unsigned char **pp;
+long length;
+	{
+	M_ASN1_D2I_vars(a,NETSCAPE_PKEY *,NETSCAPE_PKEY_new);
+
+	M_ASN1_D2I_Init();
+	M_ASN1_D2I_start_sequence();
+	M_ASN1_D2I_get(ret->version,d2i_ASN1_INTEGER);
+	M_ASN1_D2I_get(ret->algor,d2i_X509_ALGOR);
+	M_ASN1_D2I_get(ret->private_key,d2i_ASN1_OCTET_STRING);
+	M_ASN1_D2I_Finish(a,NETSCAPE_PKEY_free,ASN1_F_D2I_NETSCAPE_PKEY);
+	}
+
+static NETSCAPE_PKEY *NETSCAPE_PKEY_new()
+	{
+	NETSCAPE_PKEY *ret=NULL;
+
+	M_ASN1_New_Malloc(ret,NETSCAPE_PKEY);
+	M_ASN1_New(ret->version,ASN1_INTEGER_new);
+	M_ASN1_New(ret->algor,X509_ALGOR_new);
+	M_ASN1_New(ret->private_key,ASN1_OCTET_STRING_new);
+	return(ret);
+	M_ASN1_New_Error(ASN1_F_NETSCAPE_PKEY_NEW);
+	}
+
+static void NETSCAPE_PKEY_free(a)
+NETSCAPE_PKEY *a;
+	{
+	if (a == NULL) return;
+	ASN1_INTEGER_free(a->version);
+	X509_ALGOR_free(a->algor);
+	ASN1_OCTET_STRING_free(a->private_key);
+	Free((char *)a);
+	}
+
+#endif /* NO_RC4 */
+