X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fevp%2Fe_rc4.c;h=55baad7446dcef1925232574092a32e54b55cf59;hb=f092a073a75be72731e57b175d2df73d2d0eddd8;hp=1552379a49a84b6d56ee2b073c7f1d49c20c06e1;hpb=6b691a5c85ddc4e407e32781841fee5c029506cd;p=oweals%2Fopenssl.git

diff --git a/crypto/evp/e_rc4.c b/crypto/evp/e_rc4.c
index 1552379a49..55baad7446 100644
--- a/crypto/evp/e_rc4.c
+++ b/crypto/evp/e_rc4.c
@@ -56,66 +56,82 @@
  * [including the GNU Public Licence.]
  */
 
-#ifndef NO_RC4
-
 #include <stdio.h>
 #include "cryptlib.h"
-#include "evp.h"
-#include "objects.h"
 
-#ifndef NOPROTO
-static void rc4_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
-	unsigned char *iv,int enc);
-static void rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
-	unsigned char *in, unsigned int inl);
-#else
-static void rc4_init_key();
-static void rc4_cipher();
-#endif
+#ifndef OPENSSL_NO_RC4
+
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/rc4.h>
+#include "evp_locl.h"
+
+/* FIXME: surely this is available elsewhere? */
+#define EVP_RC4_KEY_SIZE		16
+
+typedef struct
+    {
+    RC4_KEY ks;	/* working key */
+    } EVP_RC4_KEY;
 
-static EVP_CIPHER r4_cipher=
+#define data(ctx) ((EVP_RC4_KEY *)(ctx)->cipher_data)
+
+static int rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+			const unsigned char *iv,int enc);
+static int rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+		      const unsigned char *in, unsigned int inl);
+static const EVP_CIPHER r4_cipher=
 	{
 	NID_rc4,
 	1,EVP_RC4_KEY_SIZE,0,
+	EVP_CIPH_VARIABLE_LENGTH,
 	rc4_init_key,
 	rc4_cipher,
 	NULL,
-	sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+
-		sizeof((((EVP_CIPHER_CTX *)NULL)->c.rc4)),
+	sizeof(EVP_RC4_KEY),
+	NULL,
 	NULL,
 	NULL,
+	NULL
 	};
 
-static EVP_CIPHER r4_40_cipher=
+static const EVP_CIPHER r4_40_cipher=
 	{
 	NID_rc4_40,
 	1,5 /* 40 bit */,0,
+	EVP_CIPH_VARIABLE_LENGTH,
 	rc4_init_key,
 	rc4_cipher,
+	NULL,
+	sizeof(EVP_RC4_KEY),
+	NULL, 
+	NULL,
+	NULL,
+	NULL
 	};
 
-EVP_CIPHER *EVP_rc4(void)
+const EVP_CIPHER *EVP_rc4(void)
 	{
 	return(&r4_cipher);
 	}
 
-EVP_CIPHER *EVP_rc4_40(void)
+const EVP_CIPHER *EVP_rc4_40(void)
 	{
 	return(&r4_40_cipher);
 	}
 
-static void rc4_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
-	     unsigned char *iv, int enc)
+static int rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+			const unsigned char *iv, int enc)
 	{
-	if (key != NULL)
-		memcpy(&(ctx->c.rc4.key[0]),key,EVP_CIPHER_CTX_key_length(ctx));
-	RC4_set_key(&(ctx->c.rc4.ks),EVP_CIPHER_CTX_key_length(ctx),
-		ctx->c.rc4.key);
+	RC4_set_key(&data(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx),
+		    key);
+	return 1;
 	}
 
-static void rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
-	     unsigned char *in, unsigned int inl)
+static int rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+		      const unsigned char *in, unsigned int inl)
 	{
-	RC4(&(ctx->c.rc4.ks),inl,in,out);
+	RC4(&data(ctx)->ks,inl,in,out);
+	return 1;
 	}
 #endif