| version 1.22.2.2, 2003/09/16 21:20:25 |
version 1.23, 2002/11/21 22:22:50 |
|
|
| |
|
| if ((f = fopen(_PATH_DH_MODULI, "r")) == NULL && |
if ((f = fopen(_PATH_DH_MODULI, "r")) == NULL && |
| (f = fopen(_PATH_DH_PRIMES, "r")) == NULL) { |
(f = fopen(_PATH_DH_PRIMES, "r")) == NULL) { |
| logit("WARNING: %s does not exist, using old modulus", _PATH_DH_MODULI); |
log("WARNING: %s does not exist, using old modulus", _PATH_DH_MODULI); |
| return (dh_new_group1()); |
return (dh_new_group1()); |
| } |
} |
| |
|
|
|
| |
|
| if (bestcount == 0) { |
if (bestcount == 0) { |
| fclose(f); |
fclose(f); |
| logit("WARNING: no suitable primes in %s", _PATH_DH_PRIMES); |
log("WARNING: no suitable primes in %s", _PATH_DH_PRIMES); |
| return (NULL); |
return (NULL); |
| } |
} |
| |
|
|
|
| int bits_set = 0; |
int bits_set = 0; |
| |
|
| if (dh_pub->neg) { |
if (dh_pub->neg) { |
| logit("invalid public DH value: negativ"); |
log("invalid public DH value: negativ"); |
| return 0; |
return 0; |
| } |
} |
| for (i = 0; i <= n; i++) |
for (i = 0; i <= n; i++) |
|
|
| /* if g==2 and bits_set==1 then computing log_g(dh_pub) is trivial */ |
/* if g==2 and bits_set==1 then computing log_g(dh_pub) is trivial */ |
| if (bits_set > 1 && (BN_cmp(dh_pub, dh->p) == -1)) |
if (bits_set > 1 && (BN_cmp(dh_pub, dh->p) == -1)) |
| return 1; |
return 1; |
| logit("invalid public DH value (%d/%d)", bits_set, BN_num_bits(dh->p)); |
log("invalid public DH value (%d/%d)", bits_set, BN_num_bits(dh->p)); |
| return 0; |
return 0; |
| } |
} |
| |
|
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