X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fevp%2Fevp_lib.c;h=52a3b287bee51aa017b7aaa9853fa7d2ed3c30c8;hb=641e6ef2cbc6f58bb02504a7c6bdb07a41715482;hp=69784eb5554019757912c64b9f1d95d7b223de3d;hpb=58964a492275ca9a59a0cd9c8155cb2491b4b909;p=oweals%2Fopenssl.git

diff --git a/crypto/evp/evp_lib.c b/crypto/evp/evp_lib.c
index 69784eb555..52a3b287be 100644
--- a/crypto/evp/evp_lib.c
+++ b/crypto/evp/evp_lib.c
@@ -58,12 +58,10 @@
 
 #include <stdio.h>
 #include "cryptlib.h"
-#include "evp.h"
-#include "objects.h"
+#include <openssl/evp.h>
+#include <openssl/objects.h>
 
-int EVP_CIPHER_param_to_asn1(c,type)
-EVP_CIPHER_CTX *c;
-ASN1_TYPE *type;
+int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	{
 	int ret;
 
@@ -74,9 +72,7 @@ ASN1_TYPE *type;
 	return(ret);
 	}
 
-int EVP_CIPHER_asn1_to_param(c,type)
-EVP_CIPHER_CTX *c;
-ASN1_TYPE *type;
+int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	{
 	int ret;
 
@@ -87,31 +83,62 @@ ASN1_TYPE *type;
 	return(ret);
 	}
 
-int EVP_CIPHER_get_asn1_iv(c,type)
-EVP_CIPHER_CTX *c;
-ASN1_TYPE *type;
+int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	{
 	int i=0,l;
 
 	if (type != NULL) 
 		{
 		l=EVP_CIPHER_CTX_iv_length(c);
+		OPENSSL_assert(l <= sizeof c->iv);
 		i=ASN1_TYPE_get_octetstring(type,c->oiv,l);
-		memcpy(c->iv,c->oiv,l);
+		if (i != l)
+			return(-1);
+		else if (i > 0)
+			memcpy(c->iv,c->oiv,l);
 		}
 	return(i);
 	}
 
-int EVP_CIPHER_set_asn1_iv(c,type)
-EVP_CIPHER_CTX *c;
-ASN1_TYPE *type;
+int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	{
 	int i=0,j;
 
 	if (type != NULL)
 		{
 		j=EVP_CIPHER_CTX_iv_length(c);
+		OPENSSL_assert(j <= sizeof c->iv);
 		i=ASN1_TYPE_set_octetstring(type,c->oiv,j);
 		}
 	return(i);
 	}
+
+/* Convert the various cipher NIDs and dummies to a proper OID NID */
+int EVP_CIPHER_type(const EVP_CIPHER *ctx)
+{
+	int nid;
+	ASN1_OBJECT *otmp;
+	nid = EVP_CIPHER_nid(ctx);
+
+	switch(nid) {
+
+		case NID_rc2_cbc:
+		case NID_rc2_64_cbc:
+		case NID_rc2_40_cbc:
+
+		return NID_rc2_cbc;
+
+		case NID_rc4:
+		case NID_rc4_40:
+
+		return NID_rc4;
+
+		default:
+		/* Check it has an OID and it is valid */
+		otmp = OBJ_nid2obj(nid);
+		if(!otmp || !otmp->data) nid = NID_undef;
+		ASN1_OBJECT_free(otmp);
+		return nid;
+	}
+}
+