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Enable blowfish-ctr by default. It's been tested and found working.

Thanks to der Mouse for help with the testing.

[originally from svn r5701]
This commit is contained in:
Ben Harris 2005-04-28 08:56:03 +00:00
parent a33339b3f1
commit fe83afa6ec

View File

@ -389,7 +389,6 @@ static void blowfish_msb_decrypt_cbc(unsigned char *blk, int len,
ctx->iv1 = iv1; ctx->iv1 = iv1;
} }
#ifdef ENABLE_BLOWFISH_SSH2_CTR
static void blowfish_msb_sdctr(unsigned char *blk, int len, static void blowfish_msb_sdctr(unsigned char *blk, int len,
BlowfishContext * ctx) BlowfishContext * ctx)
{ {
@ -415,7 +414,6 @@ static void blowfish_msb_sdctr(unsigned char *blk, int len,
ctx->iv0 = iv0; ctx->iv0 = iv0;
ctx->iv1 = iv1; ctx->iv1 = iv1;
} }
#endif
static void blowfish_setkey(BlowfishContext * ctx, static void blowfish_setkey(BlowfishContext * ctx,
const unsigned char *key, short keybytes) const unsigned char *key, short keybytes)
@ -502,13 +500,11 @@ static void blowfish_key(void *handle, unsigned char *key)
blowfish_setkey(ctx, key, 16); blowfish_setkey(ctx, key, 16);
} }
#ifdef ENABLE_BLOWFISH_SSH2_CTR
static void blowfish256_key(void *handle, unsigned char *key) static void blowfish256_key(void *handle, unsigned char *key)
{ {
BlowfishContext *ctx = (BlowfishContext *)handle; BlowfishContext *ctx = (BlowfishContext *)handle;
blowfish_setkey(ctx, key, 32); blowfish_setkey(ctx, key, 32);
} }
#endif
static void blowfish_iv(void *handle, unsigned char *key) static void blowfish_iv(void *handle, unsigned char *key)
{ {
@ -554,14 +550,12 @@ static void blowfish_ssh2_decrypt_blk(void *handle, unsigned char *blk,
blowfish_msb_decrypt_cbc(blk, len, ctx); blowfish_msb_decrypt_cbc(blk, len, ctx);
} }
#ifdef ENABLE_BLOWFISH_SSH2_CTR
static void blowfish_ssh2_sdctr(void *handle, unsigned char *blk, static void blowfish_ssh2_sdctr(void *handle, unsigned char *blk,
int len) int len)
{ {
BlowfishContext *ctx = (BlowfishContext *)handle; BlowfishContext *ctx = (BlowfishContext *)handle;
blowfish_msb_sdctr(blk, len, ctx); blowfish_msb_sdctr(blk, len, ctx);
} }
#endif
const struct ssh_cipher ssh_blowfish_ssh1 = { const struct ssh_cipher ssh_blowfish_ssh1 = {
blowfish_ssh1_make_context, blowfish_free_context, blowfish_sesskey, blowfish_ssh1_make_context, blowfish_free_context, blowfish_sesskey,
@ -576,25 +570,15 @@ static const struct ssh2_cipher ssh_blowfish_ssh2 = {
8, 128, SSH_CIPHER_IS_CBC, "Blowfish-128 CBC" 8, 128, SSH_CIPHER_IS_CBC, "Blowfish-128 CBC"
}; };
#ifdef ENABLE_BLOWFISH_SSH2_CTR
static const struct ssh2_cipher ssh_blowfish_ssh2_ctr = { static const struct ssh2_cipher ssh_blowfish_ssh2_ctr = {
blowfish_make_context, blowfish_free_context, blowfish_iv, blowfish256_key, blowfish_make_context, blowfish_free_context, blowfish_iv, blowfish256_key,
blowfish_ssh2_sdctr, blowfish_ssh2_sdctr, blowfish_ssh2_sdctr, blowfish_ssh2_sdctr,
"blowfish-ctr", "blowfish-ctr",
8, 256, 0, "Blowfish-256 SDCTR" 8, 256, 0, "Blowfish-256 SDCTR"
}; };
#endif
/*
* "blowfish-ctr" is disabled because it hasn't had any interoperability
* testing, which is in turn because I couldn't find another implementation
* to test against. Once it's been tested, it can be enabled in standard
* builds.
*/
static const struct ssh2_cipher *const blowfish_list[] = { static const struct ssh2_cipher *const blowfish_list[] = {
#ifdef ENABLE_BLOWFISH_SSH2_CTR
&ssh_blowfish_ssh2_ctr, &ssh_blowfish_ssh2_ctr,
#endif
&ssh_blowfish_ssh2 &ssh_blowfish_ssh2
}; };