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authorBen Laurie <ben@openssl.org>2001-07-30 23:57:25 +0000
committerBen Laurie <ben@openssl.org>2001-07-30 23:57:25 +0000
commitdbad169019598981174ff46c7a9bf58373b0e53a (patch)
treece8ca1188d5614648f24b03967785543f1edc8f5 /crypto/evp/e_rc5.c
parent3ba5d1cf2eb6ef28ac5f6d9f3d28020d00c5be50 (diff)
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Really add the EVP and all of the DES changes.
Diffstat (limited to 'crypto/evp/e_rc5.c')
-rw-r--r--crypto/evp/e_rc5.c63
1 files changed, 35 insertions, 28 deletions
diff --git a/crypto/evp/e_rc5.c b/crypto/evp/e_rc5.c
index b8e44f2..e22aedd 100644
--- a/crypto/evp/e_rc5.c
+++ b/crypto/evp/e_rc5.c
@@ -63,55 +63,62 @@
#include <openssl/evp.h>
#include <openssl/objects.h>
#include "evp_locl.h"
+#include <openssl/rc5.h>
static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv,int enc);
static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
-IMPLEMENT_BLOCK_CIPHER(rc5_32_12_16, rc5.ks, RC5_32, rc5, NID_rc5,
- 8, EVP_RC5_32_12_16_KEY_SIZE, 8,
- EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT,
- r_32_12_16_init_key, NULL,
- NULL, NULL, rc5_ctrl)
+typedef struct
+ {
+ int rounds; /* number of rounds */
+ RC5_32_KEY ks; /* key schedule */
+ } EVP_RC5_KEY;
+#define data(ctx) EVP_C_DATA(EVP_RC5_KEY,ctx)
+IMPLEMENT_BLOCK_CIPHER(rc5_32_12_16, ks, RC5_32, EVP_RC5_KEY, NID_rc5,
+ 8, RC5_32_KEY_LENGTH, 8,
+ EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT,
+ r_32_12_16_init_key, NULL,
+ NULL, NULL, rc5_ctrl)
static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
{
- switch(type) {
-
- case EVP_CTRL_INIT:
- c->c.rc5.rounds = RC5_12_ROUNDS;
- return 1;
+ switch(type)
+ {
+ case EVP_CTRL_INIT:
+ data(c)->rounds = RC5_12_ROUNDS;
+ return 1;
- case EVP_CTRL_GET_RC5_ROUNDS:
- *(int *)ptr = c->c.rc5.rounds;
- return 1;
-
+ case EVP_CTRL_GET_RC5_ROUNDS:
+ *(int *)ptr = data(c)->rounds;
+ return 1;
- case EVP_CTRL_SET_RC5_ROUNDS:
- switch(arg) {
- case RC5_8_ROUNDS:
- case RC5_12_ROUNDS:
- case RC5_16_ROUNDS:
- c->c.rc5.rounds = arg;
- return 1;
+ case EVP_CTRL_SET_RC5_ROUNDS:
+ switch(arg)
+ {
+ case RC5_8_ROUNDS:
+ case RC5_12_ROUNDS:
+ case RC5_16_ROUNDS:
+ data(c)->rounds = arg;
+ return 1;
- default:
- EVPerr(EVP_F_RC5_CTRL, EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS);
- return 0;
+ default:
+ EVPerr(EVP_F_RC5_CTRL, EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS);
+ return 0;
}
- default:
- return -1;
+ default:
+ return -1;
}
}
static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
- RC5_32_set_key(&(ctx->c.rc5.ks),EVP_CIPHER_CTX_key_length(ctx),
- key,ctx->c.rc5.rounds);
+ RC5_32_set_key(&data(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx),
+ key,data(ctx)->rounds);
return 1;
}