* [including the GNU Public Licence.]
*/
-#ifndef NO_RSA
#include <stdio.h>
#include "cryptlib.h"
+#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#include <openssl/objects.h>
+#include <openssl/asn1t.h>
#include <openssl/asn1_mac.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
-#ifndef NO_RC4
+#ifndef OPENSSL_NO_RC4
typedef struct netscape_pkey_st
{
- ASN1_INTEGER *version;
+ long version;
X509_ALGOR *algor;
ASN1_OCTET_STRING *private_key;
} NETSCAPE_PKEY;
-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 *);
-
-int i2d_Netscape_RSA(RSA *a, unsigned char **pp, int (*cb)())
+typedef struct netscape_encrypted_pkey_st
+ {
+ ASN1_OCTET_STRING *os;
+ /* This is the same structure as DigestInfo so use it:
+ * although this isn't really anything to do with
+ * digests.
+ */
+ X509_SIG *enckey;
+ } NETSCAPE_ENCRYPTED_PKEY;
+
+
+ASN1_BROKEN_SEQUENCE(NETSCAPE_ENCRYPTED_PKEY) = {
+ ASN1_SIMPLE(NETSCAPE_ENCRYPTED_PKEY, os, ASN1_OCTET_STRING),
+ ASN1_SIMPLE(NETSCAPE_ENCRYPTED_PKEY, enckey, X509_SIG)
+} ASN1_BROKEN_SEQUENCE_END(NETSCAPE_ENCRYPTED_PKEY)
+
+DECLARE_ASN1_FUNCTIONS_const(NETSCAPE_ENCRYPTED_PKEY)
+DECLARE_ASN1_ENCODE_FUNCTIONS_const(NETSCAPE_ENCRYPTED_PKEY,NETSCAPE_ENCRYPTED_PKEY)
+IMPLEMENT_ASN1_FUNCTIONS_const(NETSCAPE_ENCRYPTED_PKEY)
+
+ASN1_SEQUENCE(NETSCAPE_PKEY) = {
+ ASN1_SIMPLE(NETSCAPE_PKEY, version, LONG),
+ ASN1_SIMPLE(NETSCAPE_PKEY, algor, X509_ALGOR),
+ ASN1_SIMPLE(NETSCAPE_PKEY, private_key, ASN1_OCTET_STRING)
+} ASN1_SEQUENCE_END(NETSCAPE_PKEY)
+
+DECLARE_ASN1_FUNCTIONS_const(NETSCAPE_PKEY)
+DECLARE_ASN1_ENCODE_FUNCTIONS_const(NETSCAPE_PKEY,NETSCAPE_PKEY)
+IMPLEMENT_ASN1_FUNCTIONS_const(NETSCAPE_PKEY)
+
+static RSA *d2i_RSA_NET_2(RSA **a, ASN1_OCTET_STRING *os,
+ int (*cb)(char *buf, int len, const char *prompt,
+ int verify),
+ int sgckey);
+
+int i2d_Netscape_RSA(const RSA *a, unsigned char **pp,
+ int (*cb)(char *buf, int len, const char *prompt,
+ int verify))
+{
+ return i2d_RSA_NET(a, pp, cb, 0);
+}
+
+int i2d_RSA_NET(const RSA *a, unsigned char **pp,
+ int (*cb)(char *buf, int len, const char *prompt, int verify),
+ int sgckey)
{
- int i,j,l[6];
- NETSCAPE_PKEY *pkey;
+ int i, j, ret = 0;
+ int rsalen, pkeylen, olen;
+ NETSCAPE_PKEY *pkey = NULL;
+ NETSCAPE_ENCRYPTED_PKEY *enckey = NULL;
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);
+ EVP_CIPHER_CTX_init(&ctx);
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 ((enckey=NETSCAPE_ENCRYPTED_PKEY_new()) == NULL) goto err;
+ pkey->version = 0;
- 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];
+ rsalen = i2d_RSAPrivateKey(a, NULL);
- os2.length=i2d_NETSCAPE_PKEY(pkey,NULL);
- l[1]=i2d_ASN1_OCTET_STRING(&os2,NULL);
+ /* Fake some octet strings just for the initial length
+ * calculation.
+ */
- 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;
+ pkey->private_key->length=rsalen;
- l[2]=i2d_X509_ALGOR(alg,NULL);
- l[3]=ASN1_object_size(1,l[2]+l[1],V_ASN1_SEQUENCE);
+ pkeylen=i2d_NETSCAPE_PKEY(pkey,NULL);
-#ifndef CONST_STRICT
- os.data=(unsigned char *)"private-key";
-#endif
- os.length=11;
- l[4]=i2d_ASN1_OCTET_STRING(&os,NULL);
+ enckey->enckey->digest->length = pkeylen;
+
+ enckey->os->length = 11; /* "private-key" */
- l[5]=ASN1_object_size(1,l[4]+l[3],V_ASN1_SEQUENCE);
+ enckey->enckey->algor->algorithm=OBJ_nid2obj(NID_rc4);
+ if ((enckey->enckey->algor->parameter=ASN1_TYPE_new()) == NULL) goto err;
+ enckey->enckey->algor->parameter->type=V_ASN1_NULL;
if (pp == NULL)
{
- if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
- if (alg != NULL) X509_ALGOR_free(alg);
- return(l[5]);
+ olen = i2d_NETSCAPE_ENCRYPTED_PKEY(enckey, NULL);
+ NETSCAPE_PKEY_free(pkey);
+ NETSCAPE_ENCRYPTED_PKEY_free(enckey);
+ return olen;
}
- if (pkey->private_key->data != NULL)
- Free((char *)pkey->private_key->data);
- if ((pkey->private_key->data=(unsigned char *)Malloc(l[0])) == NULL)
+
+ /* Since its RC4 encrypted length is actual length */
+ if ((zz=(unsigned char *)OPENSSL_malloc(rsalen)) == NULL)
{
- ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE);
+ ASN1err(ASN1_F_I2D_RSA_NET,ERR_R_MALLOC_FAILURE);
goto err;
}
- zz=pkey->private_key->data;
+
+ pkey->private_key->data = zz;
+ /* Write out private key encoding */
i2d_RSAPrivateKey(a,&zz);
- if ((os2.data=(unsigned char *)Malloc(os2.length)) == NULL)
+ if ((zz=OPENSSL_malloc(pkeylen)) == NULL)
+ {
+ ASN1err(ASN1_F_I2D_RSA_NET,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (!ASN1_STRING_set(enckey->os, "private-key", -1))
{
- ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE);
+ ASN1err(ASN1_F_I2D_RSA_NET,ERR_R_MALLOC_FAILURE);
goto err;
}
- zz=os2.data;
+ enckey->enckey->digest->data = zz;
i2d_NETSCAPE_PKEY(pkey,&zz);
+
+ /* Wipe the private key encoding */
+ OPENSSL_cleanse(pkey->private_key->data, rsalen);
if (cb == NULL)
cb=EVP_read_pw_string;
- i=cb(buf,256,"Enter Private Key password:",1);
+ i=cb((char *)buf,256,"Enter Private Key password:",1);
if (i != 0)
{
- ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ASN1_R_BAD_PASSWORD_READ);
+ ASN1err(ASN1_F_I2D_RSA_NET,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);
+ i = strlen((char *)buf);
+ /* If the key is used for SGC the algorithm is modified a little. */
+ if(sgckey) {
+ if (!EVP_Digest(buf, i, buf, NULL, EVP_md5(), NULL))
+ goto err;
+ memcpy(buf + 16, "SGCKEYSALT", 10);
+ i = 26;
+ }
- EVP_CIPHER_CTX_init(&ctx);
- 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);
+ if (!EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,i,1,key,NULL))
+ goto err;
+ OPENSSL_cleanse(buf,256);
+
+ /* Encrypt private key in place */
+ zz = enckey->enckey->digest->data;
+ if (!EVP_EncryptInit_ex(&ctx,EVP_rc4(),NULL,key,NULL))
+ goto err;
+ if (!EVP_EncryptUpdate(&ctx,zz,&i,zz,pkeylen))
+ goto err;
+ if (!EVP_EncryptFinal_ex(&ctx,zz + i,&j))
+ goto err;
- 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];
+ ret = i2d_NETSCAPE_ENCRYPTED_PKEY(enckey, pp);
err:
- if (os2.data != NULL) Free(os2.data);
- if (alg != NULL) X509_ALGOR_free(alg);
- if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
- r=r;
+ EVP_CIPHER_CTX_cleanup(&ctx);
+ NETSCAPE_ENCRYPTED_PKEY_free(enckey);
+ NETSCAPE_PKEY_free(pkey);
return(ret);
}
-RSA *d2i_Netscape_RSA(RSA **a, unsigned char **pp, long length, int (*cb)())
+
+RSA *d2i_Netscape_RSA(RSA **a, const unsigned char **pp, long length,
+ int (*cb)(char *buf, int len, const char *prompt,
+ int verify))
+{
+ return d2i_RSA_NET(a, pp, length, cb, 0);
+}
+
+RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length,
+ int (*cb)(char *buf, int len, const char *prompt, int verify),
+ int sgckey)
{
RSA *ret=NULL;
- ASN1_OCTET_STRING *os=NULL;
- ASN1_CTX c;
+ const unsigned char *p;
+ NETSCAPE_ENCRYPTED_PKEY *enckey = NULL;
- c.pp=pp;
- c.error=ASN1_R_DECODING_ERROR;
+ p = *pp;
- 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))
+ enckey = d2i_NETSCAPE_ENCRYPTED_PKEY(NULL, &p, length);
+ if(!enckey) {
+ ASN1err(ASN1_F_D2I_RSA_NET,ASN1_R_DECODING_ERROR);
+ return NULL;
+ }
+
+ if ((enckey->os->length != 11) || (strncmp("private-key",
+ (char *)enckey->os->data,11) != 0))
{
- ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_PRIVATE_KEY_HEADER_MISSING);
- ASN1_BIT_STRING_free(os);
- goto err;
+ ASN1err(ASN1_F_D2I_RSA_NET,ASN1_R_PRIVATE_KEY_HEADER_MISSING);
+ NETSCAPE_ENCRYPTED_PKEY_free(enckey);
+ return NULL;
}
- 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);
+ if (OBJ_obj2nid(enckey->enckey->algor->algorithm) != NID_rc4)
+ {
+ ASN1err(ASN1_F_D2I_RSA_NET,ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM);
+ goto err;
+ }
+ if (cb == NULL)
+ cb=EVP_read_pw_string;
+ if ((ret=d2i_RSA_NET_2(a, enckey->enckey->digest,cb, sgckey)) == NULL) goto err;
+
+ *pp = p;
+
+ err:
+ NETSCAPE_ENCRYPTED_PKEY_free(enckey);
+ return ret;
- M_ASN1_D2I_Finish(a,RSA_free,ASN1_F_D2I_NETSCAPE_RSA);
}
-RSA *d2i_Netscape_RSA_2(RSA **a, unsigned char **pp, long length,
- int (*cb)())
+static RSA *d2i_RSA_NET_2(RSA **a, ASN1_OCTET_STRING *os,
+ int (*cb)(char *buf, int len, const char *prompt,
+ int verify), int sgckey)
{
NETSCAPE_PKEY *pkey=NULL;
RSA *ret=NULL;
int i,j;
- unsigned char buf[256],*zz;
+ unsigned char buf[256];
+ const unsigned char *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=ERR_R_NESTED_ASN1_ERROR;
- c.pp=pp;
+ EVP_CIPHER_CTX_init(&ctx);
- 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);
+ i=cb((char *)buf,256,"Enter Private Key password:",0);
if (i != 0)
{
- ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_BAD_PASSWORD_READ);
+ ASN1err(ASN1_F_D2I_RSA_NET_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);
+ i = strlen((char *)buf);
+ if(sgckey){
+ if (!EVP_Digest(buf, i, buf, NULL, EVP_md5(), NULL))
+ goto err;
+ memcpy(buf + 16, "SGCKEYSALT", 10);
+ i = 26;
+ }
+
+ if (!EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,i,1,key,NULL))
+ goto err;
+ OPENSSL_cleanse(buf,256);
- EVP_CIPHER_CTX_init(&ctx);
- 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);
+ if (!EVP_DecryptInit_ex(&ctx,EVP_rc4(),NULL, key,NULL))
+ goto err;
+ if (!EVP_DecryptUpdate(&ctx,os->data,&i,os->data,os->length))
+ goto err;
+ if (!EVP_DecryptFinal_ex(&ctx,&(os->data[i]),&j))
+ goto err;
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);
+ ASN1err(ASN1_F_D2I_RSA_NET_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);
+ ASN1err(ASN1_F_D2I_RSA_NET_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);
+ EVP_CIPHER_CTX_cleanup(&ctx);
+ NETSCAPE_PKEY_free(pkey);
return(ret);
}
-static int i2d_NETSCAPE_PKEY(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();
+#endif /* OPENSSL_NO_RC4 */
- 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);
+#else /* !OPENSSL_NO_RSA */
- M_ASN1_I2D_finish();
- }
-
-static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY(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(void)
- {
- NETSCAPE_PKEY *ret=NULL;
- ASN1_CTX c;
-
- 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(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);
- }
+# if PEDANTIC
+static void *dummy=&dummy;
+# endif
-#endif /* NO_RC4 */
#endif
projects / openssl.git / blobdiff