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/*
* Convenience functions to encrypt and decrypt OpenSSH PEM format for
* SSH-2 private key files. This uses triple-DES in SSH-2 style (one
* CBC layer), with three distinct keys, and an IV also generated from
* the passphrase.
*/
#include "ssh.h"
static ssh_cipher *des3_pubkey_ossh_cipher(const void *vkey, const void *viv)
{
ssh_cipher *c = ssh_cipher_new(&ssh_3des_ssh2);
ssh_cipher_setkey(c, vkey);
ssh_cipher_setiv(c, viv);
return c;
}
void des3_decrypt_pubkey_ossh(const void *vkey, const void *viv,
void *vblk, int len)
{
ssh_cipher *c = des3_pubkey_ossh_cipher(vkey, viv);
ssh_cipher_decrypt(c, vblk, len);
ssh_cipher_free(c);
}
void des3_encrypt_pubkey_ossh(const void *vkey, const void *viv,
void *vblk, int len)
{
ssh_cipher *c = des3_pubkey_ossh_cipher(vkey, viv);
ssh_cipher_encrypt(c, vblk, len);
ssh_cipher_free(c);
}
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