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#ifndef OSTREAM_ENCRYPT_H
#define OSTREAM_ENCRYPT_H

struct dcrypt_public_key;
struct dcrypt_context_symmetric;

/**
 * algorithm is in form AES-256-CBC-SHA1, recommended
 * AES-256-GCM-SHA256
 *
 * Algorithms (both crypto and digest) *MUST* have OID to use it.
 *
 */

struct ostream *
o_stream_create_encrypt(struct ostream *output, const char *algorithm,
			struct dcrypt_public_key *box_pub,
			enum io_stream_encrypt_flags flags);

/* create context for performing encryption with
   preset crypto context. do not call ctx_sym_init.

   no header or mac is written, just plain crypto
   data.
 */
struct ostream *
o_stream_create_sym_encrypt(struct ostream *output,
			    struct dcrypt_context_symmetric *ctx);

#endif