#include <openssl/evp.h>
#include <openssl/objects.h>
-static void null_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
- unsigned char *iv,int enc);
-static void null_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- unsigned char *in, unsigned int inl);
+static int null_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv,int enc);
+static int null_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int inl);
static EVP_CIPHER n_cipher=
{
NID_undef,
return(&n_cipher);
}
-static void null_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key,
- unsigned char *iv, int enc)
+static int null_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
{
memset(&(ctx->c),0,sizeof(ctx->c));
+ return 1;
}
-static void null_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- unsigned char *in, unsigned int inl)
+static int null_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int inl)
{
if (in != out)
memcpy((char *)out,(char *)in,(int)inl);
+ return 1;
}