aesni TLS GCM support

[openssl.git] / crypto / evp / e_rc2.c

diff --git a/crypto/evp/e_rc2.c b/crypto/evp/e_rc2.c
index 5065e67e515a36be1312ffd1a1e17172ac4ac890..d4c33b58d4d5374d6b28577591e0104b60216e4c 100644 (file)
--- a/crypto/evp/e_rc2.c
+++ b/crypto/evp/e_rc2.c
@@ -56,13 +56,15 @@
  * [including the GNU Public Licence.]
  */
 
-#ifndef OPENSSL_NO_RC2
-
 #include <stdio.h>
 #include "cryptlib.h"
+
+#ifndef OPENSSL_NO_RC2
+
 #include <openssl/evp.h>
 #include <openssl/objects.h>
 #include "evp_locl.h"
+#include <openssl/rc2.h>
 
 static int rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
                        const unsigned char *iv,int enc);
@@ -72,9 +74,17 @@ static int rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
 static int rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
 static int rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
 
-IMPLEMENT_BLOCK_CIPHER(rc2, rc2.ks, RC2, rc2, NID_rc2,
+typedef struct
+       {
+       int key_bits;   /* effective key bits */
+       RC2_KEY ks;     /* key schedule */
+       } EVP_RC2_KEY;
+
+#define data(ctx)      ((EVP_RC2_KEY *)(ctx)->cipher_data)
+
+IMPLEMENT_BLOCK_CIPHER(rc2, ks, RC2, EVP_RC2_KEY, NID_rc2,
                        8,
-                       EVP_RC2_KEY_SIZE, 8,
+                       RC2_KEY_LENGTH, 8, 64,
                        EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT,
                        rc2_init_key, NULL,
                        rc2_set_asn1_type_and_iv, rc2_get_asn1_type_and_iv, 
@@ -84,7 +94,7 @@ IMPLEMENT_BLOCK_CIPHER(rc2, rc2.ks, RC2, rc2, NID_rc2,
 #define RC2_64_MAGIC   0x78
 #define RC2_128_MAGIC  0x3a
 
-static EVP_CIPHER r2_64_cbc_cipher=
+static const EVP_CIPHER r2_64_cbc_cipher=
        {
        NID_rc2_64_cbc,
        8,8 /* 64 bit */,8,
@@ -92,15 +102,14 @@ static EVP_CIPHER r2_64_cbc_cipher=
        rc2_init_key,
        rc2_cbc_cipher,
        NULL,
-       sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+
-               sizeof((((EVP_CIPHER_CTX *)NULL)->c.rc2)),
+       sizeof(EVP_RC2_KEY),
        rc2_set_asn1_type_and_iv,
        rc2_get_asn1_type_and_iv,
        rc2_ctrl,
        NULL
        };
 
-static EVP_CIPHER r2_40_cbc_cipher=
+static const EVP_CIPHER r2_40_cbc_cipher=
        {
        NID_rc2_40_cbc,
        8,5 /* 40 bit */,8,
@@ -108,20 +117,19 @@ static EVP_CIPHER r2_40_cbc_cipher=
        rc2_init_key,
        rc2_cbc_cipher,
        NULL,
-       sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+
-               sizeof((((EVP_CIPHER_CTX *)NULL)->c.rc2)),
+       sizeof(EVP_RC2_KEY),
        rc2_set_asn1_type_and_iv,
        rc2_get_asn1_type_and_iv,
        rc2_ctrl,
        NULL
        };
 
-EVP_CIPHER *EVP_rc2_64_cbc(void)
+const EVP_CIPHER *EVP_rc2_64_cbc(void)
        {
        return(&r2_64_cbc_cipher);
        }
 
-EVP_CIPHER *EVP_rc2_40_cbc(void)
+const EVP_CIPHER *EVP_rc2_40_cbc(void)
        {
        return(&r2_40_cbc_cipher);
        }
@@ -129,8 +137,8 @@ EVP_CIPHER *EVP_rc2_40_cbc(void)
 static int rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
                        const unsigned char *iv, int enc)
        {
-       RC2_set_key(&(ctx->c.rc2.ks),EVP_CIPHER_CTX_key_length(ctx),
-                       key,ctx->c.rc2.key_bits);
+       RC2_set_key(&data(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx),
+                   key,data(ctx)->key_bits);
        return 1;
        }
 
@@ -160,20 +168,23 @@ static int rc2_magic_to_meth(int i)
 static int rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
        {
        long num=0;
-       int i=0,l;
+       int i=0;
        int key_bits;
+       unsigned int l;
        unsigned char iv[EVP_MAX_IV_LENGTH];
 
        if (type != NULL)
                {
                l=EVP_CIPHER_CTX_iv_length(c);
+               OPENSSL_assert(l <= sizeof(iv));
                i=ASN1_TYPE_get_int_octetstring(type,&num,iv,l);
-               if (i != l)
+               if (i != (int)l)
                        return(-1);
                key_bits =rc2_magic_to_meth((int)num);
                if (!key_bits)
                        return(-1);
-               if(i > 0) EVP_CipherInit(c, NULL, NULL, iv, -1);
+               if(i > 0 && !EVP_CipherInit_ex(c, NULL, NULL, NULL, iv, -1))
+                       return -1;
                EVP_CIPHER_CTX_ctrl(c, EVP_CTRL_SET_RC2_KEY_BITS, key_bits, NULL);
                EVP_CIPHER_CTX_set_key_length(c, key_bits / 8);
                }
@@ -196,26 +207,31 @@ static int rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 
 static int rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
        {
-               switch(type) {
-
-                       case EVP_CTRL_INIT:
-                       c->c.rc2.key_bits = EVP_CIPHER_CTX_key_length(c) * 8;
-                       return 1;
+       switch(type)
+               {
+       case EVP_CTRL_INIT:
+               data(c)->key_bits = EVP_CIPHER_CTX_key_length(c) * 8;
+               return 1;
 
-                       case EVP_CTRL_GET_RC2_KEY_BITS:
-                       *(int *)ptr = c->c.rc2.key_bits;
-                       return 1;
+       case EVP_CTRL_GET_RC2_KEY_BITS:
+               *(int *)ptr = data(c)->key_bits;
+               return 1;
                        
-                       
-                       case EVP_CTRL_SET_RC2_KEY_BITS:
-                       if(arg > 0) {
-                               c->c.rc2.key_bits = arg;
-                               return 1;
+       case EVP_CTRL_SET_RC2_KEY_BITS:
+               if(arg > 0)
+                       {
+                       data(c)->key_bits = arg;
+                       return 1;
                        }
-                       return 0;
+               return 0;
+#ifdef PBE_PRF_TEST
+       case EVP_CTRL_PBE_PRF_NID:
+               *(int *)ptr = NID_hmacWithMD5;
+               return 1;
+#endif
 
-                       default:
-                       return -1;
+       default:
+               return -1;
                }
        }