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New vtable API for keygen progress reporting.

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The old API was one of those horrible things I used to do when I was
young and foolish, in which you have just one function, and indicate
which of lots of things it's doing by passing in flags. It was crying
out to be replaced with a vtable.

While I'm at it, I've reworked the code on the Windows side that
decides what to do with the progress bar, so that it's based on
actually justifiable estimates of probability rather than magic
integer constants.

Since computers are generally faster now than they were at the start
of this project, I've also decided there's no longer any point in
making the fixed final part of RSA key generation bother to report
progress at all. So the progress bars are now only for the variable
part, i.e. the actual prime generations.
This commit is contained in:
Simon Tatham
2020-02-23 15:29:40 +00:00
parent 63b8f537f2
commit a7bdefb394
13 changed files with 569 additions and 400 deletions
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12
testcrypt.c
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@ -1047,18 +1047,18 @@ strbuf *rsa1_save_sb_wrapper(RSAKey *key, const char *comment,
#define return_void(out, expression) (expression)
static void no_progress(void *param, int action, int phase, int iprogress) {}
static ProgressReceiver null_progress = { .vt = &null_progress_vt };
mp_int *primegen_wrapper(PrimeCandidateSource *pcs)
{
return primegen(pcs, 0, no_progress, NULL);
return primegen(pcs, &null_progress);
}
#define primegen primegen_wrapper
RSAKey *rsa1_generate(int bits)
{
RSAKey *rsakey = snew(RSAKey);
rsa_generate(rsakey, bits, no_progress, NULL);
rsa_generate(rsakey, bits, &null_progress);
rsakey->comment = NULL;
return rsakey;
}
@ -1072,7 +1072,7 @@ ssh_key *rsa_generate_wrapper(int bits)
ssh_key *dsa_generate_wrapper(int bits)
{
struct dss_key *dsskey = snew(struct dss_key);
dsa_generate(dsskey, bits, no_progress, NULL);
dsa_generate(dsskey, bits, &null_progress);
return &dsskey->sshk;
}
#define dsa_generate dsa_generate_wrapper
@ -1080,7 +1080,7 @@ ssh_key *dsa_generate_wrapper(int bits)
ssh_key *ecdsa_generate_wrapper(int bits)
{
struct ecdsa_key *ek = snew(struct ecdsa_key);
if (!ecdsa_generate(ek, bits, no_progress, NULL)) {
if (!ecdsa_generate(ek, bits)) {
sfree(ek);
return NULL;
}
@ -1091,7 +1091,7 @@ ssh_key *ecdsa_generate_wrapper(int bits)
ssh_key *eddsa_generate_wrapper(int bits)
{
struct eddsa_key *ek = snew(struct eddsa_key);
if (!eddsa_generate(ek, bits, no_progress, NULL)) {
if (!eddsa_generate(ek, bits)) {
sfree(ek);
return NULL;
}