static int enc_free(BIO *data);
static long enc_callback_ctrl(BIO *h, int cmd, bio_info_cb *fps);
#define ENC_BLOCK_SIZE (1024*4)
-#define BUF_OFFSET EVP_MAX_BLOCK_LENGTH
+#define BUF_OFFSET (EVP_MAX_BLOCK_LENGTH*2)
typedef struct enc_struct
{
if (a == NULL) return(0);
b=(BIO_ENC_CTX *)a->ptr;
EVP_CIPHER_CTX_cleanup(&(b->cipher));
- memset(a->ptr,0,sizeof(BIO_ENC_CTX));
+ OPENSSL_cleanse(a->ptr,sizeof(BIO_ENC_CTX));
OPENSSL_free(a->ptr);
a->ptr=NULL;
a->init=0;
if (i <= 0)
{
BIO_copy_next_retry(b);
- return(i);
+ return (ret == inl) ? i : ret - inl;
}
n-=i;
ctx->buf_off+=i;
{
i=enc_write(b,NULL,0);
if (i < 0)
- {
- ret=i;
- break;
- }
+ return i;
}
if (!ctx->finished)
case BIO_CTRL_DUP:
dbio=(BIO *)ptr;
dctx=(BIO_ENC_CTX *)dbio->ptr;
- memcpy(&(dctx->cipher),&(ctx->cipher),sizeof(ctx->cipher));
- dbio->init=1;
+ EVP_CIPHER_CTX_init(&dctx->cipher);
+ ret = EVP_CIPHER_CTX_copy(&dctx->cipher,&ctx->cipher);
+ if (ret)
+ dbio->init=1;
break;
default:
ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
}
*/
-void BIO_set_cipher(BIO *b, const EVP_CIPHER *c, unsigned char *k,
- unsigned char *i, int e)
+void BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,
+ const unsigned char *i, int e)
{
BIO_ENC_CTX *ctx;