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Code Activity

chacha: packet decryption

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Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Aris Adamantiadis
2018-02-28 10:24:54 -06:00
committed by Andreas Schneider
parent d038c4dee7
commit 8a735d5eb7
7 changed files with 275 additions and 103 deletions
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4
include/libssh/crypto.h
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@@ -155,6 +155,10 @@ struct ssh_cipher_struct {
unsigned long len);
void (*aead_encrypt)(struct ssh_cipher_struct *cipher, void *in, void *out,
size_t len, uint8_t *mac, uint64_t seq);
int (*aead_decrypt_length)(struct ssh_cipher_struct *cipher, void *in,
uint8_t *out, size_t len, uint64_t seq);
int (*aead_decrypt)(struct ssh_cipher_struct *cipher, void *complete_packet, uint8_t *out,
size_t encrypted_size, uint64_t seq);
void (*cleanup)(struct ssh_cipher_struct *cipher);
};

5
include/libssh/packet.h
View File

@@ -78,8 +78,9 @@ void ssh_packet_set_default_callbacks(ssh_session session);
void ssh_packet_process(ssh_session session, uint8_t type);
/* PACKET CRYPT */
uint32_t ssh_packet_decrypt_len(ssh_session session, char *crypted);
int ssh_packet_decrypt(ssh_session session, void *packet, unsigned int len);
uint32_t ssh_packet_decrypt_len(ssh_session session, uint8_t *destination, uint8_t *source);
int ssh_packet_decrypt(ssh_session session, uint8_t *destination, uint8_t *source,
size_t start, size_t encrypted_size);
unsigned char *ssh_packet_encrypt(ssh_session session,
void *packet,
unsigned int len);