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Diffstat (limited to 'openssl/crypto/evp/e_xcbc_d.c')
-rw-r--r--openssl/crypto/evp/e_xcbc_d.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/openssl/crypto/evp/e_xcbc_d.c b/openssl/crypto/evp/e_xcbc_d.c
index 8832da243..250e88c8c 100644
--- a/openssl/crypto/evp/e_xcbc_d.c
+++ b/openssl/crypto/evp/e_xcbc_d.c
@@ -63,12 +63,13 @@
#include <openssl/evp.h>
#include <openssl/objects.h>
+#include "evp_locl.h"
#include <openssl/des.h>
static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv,int enc);
static int desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, unsigned int inl);
+ const unsigned char *in, size_t inl);
typedef struct
@@ -113,13 +114,25 @@ static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
}
static int desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, unsigned int inl)
+ const unsigned char *in, size_t inl)
{
- DES_xcbc_encrypt(in,out,inl,&data(ctx)->ks,
+ while (inl>=EVP_MAXCHUNK)
+ {
+ DES_xcbc_encrypt(in,out,(long)EVP_MAXCHUNK,&data(ctx)->ks,
(DES_cblock *)&(ctx->iv[0]),
&data(ctx)->inw,
&data(ctx)->outw,
ctx->encrypt);
+ inl-=EVP_MAXCHUNK;
+ in +=EVP_MAXCHUNK;
+ out+=EVP_MAXCHUNK;
+ }
+ if (inl)
+ DES_xcbc_encrypt(in,out,(long)inl,&data(ctx)->ks,
+ (DES_cblock *)&(ctx->iv[0]),
+ &data(ctx)->inw,
+ &data(ctx)->outw,
+ ctx->encrypt);
return 1;
}
#endif