-/* crypto/evp/e_idea.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
+#include <stdio.h>
+#include "internal/cryptlib.h"
+
#ifndef OPENSSL_NO_IDEA
+# include <openssl/evp.h>
+# include <openssl/objects.h>
+# include "internal/evp_int.h"
+# include <openssl/idea.h>
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/evp.h>
-#include <openssl/objects.h>
-#include "evp_locl.h"
-#include <openssl/idea.h>
+/* Can't use IMPLEMENT_BLOCK_CIPHER because IDEA_ecb_encrypt is different */
+
+typedef struct {
+ IDEA_KEY_SCHEDULE ks;
+} EVP_IDEA_KEY;
static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv,int enc);
+ const unsigned char *iv, int enc);
-/* NB idea_ecb_encrypt doesn't take an 'encrypt' argument so we treat it as a special
- * case
+/*
+ * NB IDEA_ecb_encrypt doesn't take an 'encrypt' argument so we treat it as a
+ * special case
*/
static int idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, unsigned int inl)
+ const unsigned char *in, size_t inl)
{
- BLOCK_CIPHER_ecb_loop()
- idea_ecb_encrypt(in + i, out + i, ctx->cipher_data);
- return 1;
+ BLOCK_CIPHER_ecb_loop()
+ IDEA_ecb_encrypt(in + i, out + i, &EVP_C_DATA(EVP_IDEA_KEY,ctx)->ks);
+ return 1;
}
-/* Can't use IMPLEMENT_BLOCK_CIPHER because idea_ecb_encrypt is different */
-
-typedef struct
- {
- IDEA_KEY_SCHEDULE ks;
- } EVP_IDEA_KEY;
+BLOCK_CIPHER_func_cbc(idea, IDEA, EVP_IDEA_KEY, ks)
+BLOCK_CIPHER_func_ofb(idea, IDEA, 64, EVP_IDEA_KEY, ks)
+BLOCK_CIPHER_func_cfb(idea, IDEA, 64, EVP_IDEA_KEY, ks)
-BLOCK_CIPHER_func_cbc(idea, idea, EVP_IDEA_KEY, ks)
-BLOCK_CIPHER_func_ofb(idea, idea, EVP_IDEA_KEY, ks)
-BLOCK_CIPHER_func_cfb(idea, idea, EVP_IDEA_KEY, ks)
-
-BLOCK_CIPHER_defs(idea, IDEA_KEY_SCHEDULE, NID_idea, 8, 16, 8,
- 0, idea_init_key, NULL,
- EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
+BLOCK_CIPHER_defs(idea, IDEA_KEY_SCHEDULE, NID_idea, 8, 16, 8, 64,
+ 0, idea_init_key, NULL,
+ EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
- {
- if(!enc) {
- if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE) enc = 1;
- else if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB_MODE) enc = 1;
- }
- if (enc) idea_set_encrypt_key(key,ctx->cipher_data);
- else
- {
- IDEA_KEY_SCHEDULE tmp;
+ const unsigned char *iv, int enc)
+{
+ if (!enc) {
+ if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE)
+ enc = 1;
+ else if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB_MODE)
+ enc = 1;
+ }
+ if (enc)
+ IDEA_set_encrypt_key(key, &EVP_C_DATA(EVP_IDEA_KEY,ctx)->ks);
+ else {
+ IDEA_KEY_SCHEDULE tmp;
- idea_set_encrypt_key(key,&tmp);
- idea_set_decrypt_key(&tmp,ctx->cipher_data);
- memset((unsigned char *)&tmp,0,
- sizeof(IDEA_KEY_SCHEDULE));
- }
- return 1;
- }
+ IDEA_set_encrypt_key(key, &tmp);
+ IDEA_set_decrypt_key(&tmp, &EVP_C_DATA(EVP_IDEA_KEY,ctx)->ks);
+ OPENSSL_cleanse((unsigned char *)&tmp, sizeof(IDEA_KEY_SCHEDULE));
+ }
+ return 1;
+}
#endif
projects / openssl.git / blobdiff