From: Dr. Stephen Henson <steve@openssl.org>
Date: Fri, 24 Mar 2006 13:46:58 +0000 (+0000)
Subject: Initial support for generalized public key parameters.
X-Git-Tag: OpenSSL_0_9_8k^2~1480
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=db98bbc1144cb7ac412562a54aaba0e4d2cde080;p=oweals%2Fopenssl.git

Initial support for generalized public key parameters.
---

diff --git a/crypto/asn1/ameth_lib.c b/crypto/asn1/ameth_lib.c
index c95ccf0831..3616816c1c 100644
--- a/crypto/asn1/ameth_lib.c
+++ b/crypto/asn1/ameth_lib.c
@@ -70,15 +70,23 @@ extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth;
 /* Keep this sorted in type order !! */
 const EVP_PKEY_ASN1_METHOD *standard_methods[] = 
 	{
+#ifndef OPENSSL_NO_RSA
 	&rsa_asn1_meths[0],
 	&rsa_asn1_meths[1],
+#endif
+#ifndef OPENSSL_NO_DH
 	&dh_asn1_meth,
+#endif
+#ifndef OPENSSL_NO_DSA
 	&dsa_asn1_meths[0],
 	&dsa_asn1_meths[1],
 	&dsa_asn1_meths[2],
 	&dsa_asn1_meths[3],
 	&dsa_asn1_meths[4],
+#endif
+#ifndef OPENSSL_NO_EC
 	&eckey_asn1_meth
+#endif
 	};
 
 typedef int sk_cmp_fn_type(const char * const *a, const char * const *b);
@@ -209,11 +217,9 @@ EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id,
 	ameth->pub_cmp = 0;
 	ameth->pub_print = 0;
 
-
 	ameth->priv_decode = 0;
 	ameth->priv_encode = 0;
 	ameth->priv_print = 0;
-	
 
 	ameth->pkey_size = 0;
 	ameth->pkey_bits = 0;
@@ -225,7 +231,6 @@ EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id,
 	ameth->param_cmp = 0;
 	ameth->param_print = 0;
 
-
 	ameth->pkey_free = 0;
 	ameth->pkey_ctrl = 0;
 
@@ -279,8 +284,9 @@ void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
 	}
 
 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
-		int (*param_decode)(const EVP_PKEY *pk, X509_PUBKEY *pub),
-		int (*param_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk),
+		int (*param_decode)(EVP_PKEY *pkey,
+				const unsigned char **pder, int derlen),
+		int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder),
 		int (*param_missing)(const EVP_PKEY *pk),
 		int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from),
 		int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
diff --git a/crypto/asn1/asn1_locl.h b/crypto/asn1/asn1_locl.h
index 3acb4392d5..d21108d9bb 100644
--- a/crypto/asn1/asn1_locl.h
+++ b/crypto/asn1/asn1_locl.h
@@ -1,9 +1,9 @@
 /* asn1t.h */
 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 2005.
+ * project 2006.
  */
 /* ====================================================================
- * Copyright (c) 2005 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 2006 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
@@ -97,8 +97,9 @@ struct evp_pkey_asn1_method_st
 	int (*pkey_size)(const EVP_PKEY *pk);
 	int (*pkey_bits)(const EVP_PKEY *pk);
 
-	int (*param_decode)(const EVP_PKEY *pk, X509_PUBKEY *pub);
-	int (*param_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk);
+	int (*param_decode)(EVP_PKEY *pkey,
+				const unsigned char **pder, int derlen);
+	int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder);
 	int (*param_missing)(const EVP_PKEY *pk);
 	int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from);
 	int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
diff --git a/crypto/evp/evp.h b/crypto/evp/evp.h
index 76ed8764c9..a367ff9717 100644
--- a/crypto/evp/evp.h
+++ b/crypto/evp/evp.h
@@ -777,6 +777,7 @@ int		EVP_PKEY_type(int type);
 int		EVP_PKEY_bits(EVP_PKEY *pkey);
 int		EVP_PKEY_size(EVP_PKEY *pkey);
 int 		EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
+void *		EVP_PKEY_get0(EVP_PKEY *pkey);
 
 #ifndef OPENSSL_NO_RSA
 struct rsa_st;
@@ -868,14 +869,17 @@ void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
 		int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk),
 		int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
 							ASN1_PCTX *pctx));
+
 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
-		int (*param_decode)(const EVP_PKEY *pk, X509_PUBKEY *pub),
-		int (*param_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk),
+		int (*param_decode)(EVP_PKEY *pkey,
+				const unsigned char **pder, int derlen),
+		int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder),
 		int (*param_missing)(const EVP_PKEY *pk),
 		int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from),
 		int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
 		int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
 							ASN1_PCTX *pctx));
+
 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
 		void (*pkey_free)(EVP_PKEY *pkey));
 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c
index f18ac62a0f..0d3a69b48a 100644
--- a/crypto/evp/p_lib.c
+++ b/crypto/evp/p_lib.c
@@ -199,6 +199,11 @@ int EVP_PKEY_assign(EVP_PKEY *pkey, int type, char *key)
 	return(key != NULL);
 	}
 
+void *EVP_PKEY_get0(EVP_PKEY *pkey)
+	{
+	return pkey->pkey.ptr;
+	}
+
 #ifndef OPENSSL_NO_RSA
 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key)
 {
diff --git a/crypto/pem/pem.h b/crypto/pem/pem.h
index f2c5f329ad..b273007c0e 100644
--- a/crypto/pem/pem.h
+++ b/crypto/pem/pem.h
@@ -133,6 +133,7 @@ extern "C" {
 #define PEM_STRING_ECDSA_PUBLIC "ECDSA PUBLIC KEY"
 #define PEM_STRING_ECPARAMETERS "EC PARAMETERS"
 #define PEM_STRING_ECPRIVATEKEY	"EC PRIVATE KEY"
+#define PEM_STRING_PARAMETERS	"PARAMETERS"
 
   /* Note that this structure is initialised by PEM_SealInit and cleaned up
      by PEM_SealFinal (at least for now) */
@@ -724,6 +725,7 @@ void ERR_load_PEM_strings(void);
 #define PEM_F_PEM_PK8PKEY				 119
 #define PEM_F_PEM_READ					 108
 #define PEM_F_PEM_READ_BIO				 109
+#define PEM_F_PEM_READ_BIO_PARAMETERS			 140
 #define PEM_F_PEM_READ_BIO_PRIVATEKEY			 123
 #define PEM_F_PEM_READ_PRIVATEKEY			 124
 #define PEM_F_PEM_SEALFINAL				 110
diff --git a/crypto/pem/pem_err.c b/crypto/pem/pem_err.c
index c43585564b..d3352080e1 100644
--- a/crypto/pem/pem_err.c
+++ b/crypto/pem/pem_err.c
@@ -98,6 +98,7 @@ static ERR_STRING_DATA PEM_str_functs[]=
 {ERR_FUNC(PEM_F_PEM_PK8PKEY),	"PEM_PK8PKEY"},
 {ERR_FUNC(PEM_F_PEM_READ),	"PEM_read"},
 {ERR_FUNC(PEM_F_PEM_READ_BIO),	"PEM_read_bio"},
+{ERR_FUNC(PEM_F_PEM_READ_BIO_PARAMETERS),	"PEM_READ_BIO_PARAMETERS"},
 {ERR_FUNC(PEM_F_PEM_READ_BIO_PRIVATEKEY),	"PEM_READ_BIO_PRIVATEKEY"},
 {ERR_FUNC(PEM_F_PEM_READ_PRIVATEKEY),	"PEM_READ_PRIVATEKEY"},
 {ERR_FUNC(PEM_F_PEM_SEALFINAL),	"PEM_SealFinal"},
diff --git a/crypto/pem/pem_pkey.c b/crypto/pem/pem_pkey.c
index aea826e04e..b9067e0745 100644
--- a/crypto/pem/pem_pkey.c
+++ b/crypto/pem/pem_pkey.c
@@ -149,6 +149,60 @@ int PEM_write_bio_PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
 				pem_str,bp,(char *)x,enc,kstr,klen,cb,u);
 	}
 
+EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
+	{
+	char *nm=NULL;
+	const unsigned char *p=NULL;
+	unsigned char *data=NULL;
+	long len;
+	int slen;
+	EVP_PKEY *ret=NULL;
+
+	if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_PARAMETERS,
+								bp, cb, u))
+		return NULL;
+	p = data;
+
+	if ((slen = pem_check_suffix(nm, "PARAMETERS")) > 0)
+		{
+		const EVP_PKEY_ASN1_METHOD *ameth;
+		ameth = EVP_PKEY_asn1_find_str(nm, slen);
+		if (!ameth || !ameth->param_decode)
+			goto err;
+		ret = EVP_PKEY_new();
+		if (!ret)
+			goto err;
+		if (!ameth->param_decode(ret, &p, len))
+			{
+			EVP_PKEY_free(ret);
+			ret = NULL;
+			goto err;
+			}
+		if(x)
+			{
+			if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
+			*x = ret;
+			}
+		}
+err:
+	if (ret == NULL)
+		PEMerr(PEM_F_PEM_READ_BIO_PARAMETERS,ERR_R_ASN1_LIB);
+	OPENSSL_free(nm);
+	OPENSSL_free(data);
+	return(ret);
+	}
+
+int PEM_write_bio_Paramters(BIO *bp, EVP_PKEY *x)
+	{
+	char pem_str[80];
+	if (!x->ameth || !x->ameth->param_encode)
+		return 0;
+
+	BIO_snprintf(pem_str, 80, "%s PARAMETERS", x->ameth->pem_str);
+	return PEM_ASN1_write_bio(
+		(i2d_of_void *)openssl_fcast(x->ameth->param_encode),
+				pem_str,bp,(char *)x,NULL,NULL,0,0,NULL);
+	}
 
 #ifndef OPENSSL_NO_FP_API
 EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)