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Preliminary support for RSA user authentication in SSH2! Most of the

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error messages are currently wrong, and Pageant doesn't yet support
the new key type, and I haven't thoroughly tested that falling back
to password authentication and trying invalid keys etc all work. But
what I have here has successfully performed a public key
authentication, so it's working to at least some extent.

[originally from svn r973]
This commit is contained in:
Simon Tatham
2001-03-03 11:54:34 +00:00
parent d894658913
commit 28b1fc766c
15 changed files with 1406 additions and 255 deletions
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32
sshaes.c
View File

@ -1023,7 +1023,21 @@ static void aes_ssh2_decrypt_blk(unsigned char *blk, int len) {
aes_decrypt_cbc(blk, len, &scctx);
}
static struct ssh2_cipher ssh_aes128 = {
void aes256_encrypt_pubkey(unsigned char *key, unsigned char *blk, int len) {
AESContext ctx;
aes_setup(&ctx, 16, key, 32);
memset(ctx.iv, 0, sizeof(ctx.iv));
aes_encrypt_cbc(blk, len, &ctx);
}
void aes256_decrypt_pubkey(unsigned char *key, unsigned char *blk, int len) {
AESContext ctx;
aes_setup(&ctx, 16, key, 32);
memset(ctx.iv, 0, sizeof(ctx.iv));
aes_decrypt_cbc(blk, len, &ctx);
}
static const struct ssh2_cipher ssh_aes128 = {
aes_csiv, aes128_cskey,
aes_sciv, aes128_sckey,
aes_ssh2_encrypt_blk,
@ -1032,7 +1046,7 @@ static struct ssh2_cipher ssh_aes128 = {
16, 128
};
static struct ssh2_cipher ssh_aes192 = {
static const struct ssh2_cipher ssh_aes192 = {
aes_csiv, aes192_cskey,
aes_sciv, aes192_sckey,
aes_ssh2_encrypt_blk,
@ -1041,7 +1055,7 @@ static struct ssh2_cipher ssh_aes192 = {
16, 192
};
static struct ssh2_cipher ssh_aes256 = {
static const struct ssh2_cipher ssh_aes256 = {
aes_csiv, aes256_cskey,
aes_sciv, aes256_sckey,
aes_ssh2_encrypt_blk,
@ -1050,7 +1064,7 @@ static struct ssh2_cipher ssh_aes256 = {
16, 256
};
static struct ssh2_cipher ssh_rijndael128 = {
static const struct ssh2_cipher ssh_rijndael128 = {
aes_csiv, aes128_cskey,
aes_sciv, aes128_sckey,
aes_ssh2_encrypt_blk,
@ -1059,7 +1073,7 @@ static struct ssh2_cipher ssh_rijndael128 = {
16, 128
};
static struct ssh2_cipher ssh_rijndael192 = {
static const struct ssh2_cipher ssh_rijndael192 = {
aes_csiv, aes192_cskey,
aes_sciv, aes192_sckey,
aes_ssh2_encrypt_blk,
@ -1068,7 +1082,7 @@ static struct ssh2_cipher ssh_rijndael192 = {
16, 192
};
static struct ssh2_cipher ssh_rijndael256 = {
static const struct ssh2_cipher ssh_rijndael256 = {
aes_csiv, aes256_cskey,
aes_sciv, aes256_sckey,
aes_ssh2_encrypt_blk,
@ -1077,7 +1091,7 @@ static struct ssh2_cipher ssh_rijndael256 = {
16, 256
};
static struct ssh2_cipher ssh_rijndael_lysator = {
static const struct ssh2_cipher ssh_rijndael_lysator = {
aes_csiv, aes256_cskey,
aes_sciv, aes256_sckey,
aes_ssh2_encrypt_blk,
@ -1086,7 +1100,7 @@ static struct ssh2_cipher ssh_rijndael_lysator = {
16, 256
};
static struct ssh2_cipher *aes_list[] = {
static const struct ssh2_cipher *const aes_list[] = {
&ssh_aes256,
&ssh_rijndael256,
&ssh_rijndael_lysator,
@ -1096,7 +1110,7 @@ static struct ssh2_cipher *aes_list[] = {
&ssh_rijndael128,
};
struct ssh2_ciphers ssh2_aes = {
const struct ssh2_ciphers ssh2_aes = {
sizeof(aes_list) / sizeof(*aes_list),
aes_list
};