X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fevp%2Fevp_lib.c;h=36213964dd83c9e3f5f9a2560ff83a50d629864b;hp=22ae261c8059cbfa4fe94a4ad1d28998648ec8ea;hb=42eae426dffd0095dec068dfabb0eff8ed104a1d;hpb=6b691a5c85ddc4e407e32781841fee5c029506cd

diff --git a/crypto/evp/evp_lib.c b/crypto/evp/evp_lib.c
index 22ae261c80..36213964dd 100644
--- a/crypto/evp/evp_lib.c
+++ b/crypto/evp/evp_lib.c
@@ -58,8 +58,8 @@
 
 #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(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	{
@@ -68,7 +68,7 @@ int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	if (c->cipher->set_asn1_parameters != NULL)
 		ret=c->cipher->set_asn1_parameters(c,type);
 	else
-		ret=1;
+		ret=-1;
 	return(ret);
 	}
 
@@ -79,19 +79,21 @@ int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	if (c->cipher->get_asn1_parameters != NULL)
 		ret=c->cipher->get_asn1_parameters(c,type);
 	else
-		ret=1;
+		ret=-1;
 	return(ret);
 	}
 
 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	{
-	int i=0,l;
+	int i=0;
+	unsigned int 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);
-		if (i != l)
+		if (i != (int)l)
 			return(-1);
 		else if (i > 0)
 			memcpy(c->iv,c->oiv,l);
@@ -101,12 +103,68 @@ int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 
 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	{
-	int i=0,j;
+	int i=0;
+	unsigned int 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;
+
+		case NID_aes_128_cfb128:
+		case NID_aes_128_cfb8:
+		case NID_aes_128_cfb1:
+
+		return NID_aes_128_cfb128;
+
+		case NID_aes_192_cfb128:
+		case NID_aes_192_cfb8:
+		case NID_aes_192_cfb1:
+
+		return NID_aes_192_cfb128;
+
+		case NID_aes_256_cfb128:
+		case NID_aes_256_cfb8:
+		case NID_aes_256_cfb1:
+
+		return NID_aes_256_cfb128;
+
+		case NID_des_cfb64:
+		case NID_des_cfb8:
+		case NID_des_cfb1:
+
+		return NID_des_cfb64;
+
+		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;
+	}
+}
+