Commit 3adff46e authored by Niels Möller's avatar Niels Möller

Expanded the

comment describing the file format, and moved to rsa-session.h.

Rev: src/nettle/examples/rsa-encrypt.c:1.3
Rev: src/nettle/examples/rsa-session.h:1.2
parent 38c7d4dc
......@@ -21,32 +21,6 @@
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
/* Encryption program using the following file format:
uint32_t version = 1;
uint32_t xsize;
uint8_t x[xsize];
uint8_t encrypted[n];
uint8_t hmac[SHA1_DIGEST_SIZE];
"x" is the data
uint32_t version = 1;
uint8_t aes_key[AES_KEY_SIZE];
uint8_t iv[AES_BLOCK_SIZE];
uint8_t hmac_key[SHA1_DIGEST_SIZE];
of size (4 + AES_KEY_SIZE + AES_BLOCK_SIZE + SHA1_DIGEST_SIZE) = 72
bytes, encrypted using rsa-pkcs1.
"encrypted" is the cleartext processed with aes-cbc. The final block is padded as
| data | random octets | padding length |
where the last octet is the padding length, a number between 1 and
AES_BLOCK_SIZE (inclusive).
*/
#if HAVE_CONFIG_H
# include "config.h"
......
......@@ -27,6 +27,14 @@
of size (4 + AES_KEY_SIZE + AES_BLOCK_SIZE + SHA1_DIGEST_SIZE) = 72
bytes, encrypted using rsa-pkcs1.
The cleartext input is encrypted using aes-cbc. The final block is
padded as
| data | random octets | padding length |
where the last octet is the padding length, a number between 1 and
AES_BLOCK_SIZE (inclusive).
*/
struct rsa_session
......
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