luzifer/go-dhparam
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Lint: Follow more linter advices

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Signed-off-by: Knut Ahlers <knut@ahlers.me>
This commit is contained in:
Knut Ahlers 2018-10-08 11:18:14 +02:00
parent 35bb50a88a
commit c996879f8a
Signed by: luzifer
GPG key ID: DC2729FDD34BE99E
1 changed files with 20 additions and 20 deletions
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40
validate.go
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@ -6,17 +6,17 @@ import (
"github.com/pkg/errors" "github.com/pkg/errors"
) )
const dh_check_p_not_prime = 0x01 const dhCheckPNotPrime = 0x01
const dh_check_p_not_safe_prime = 0x02 const dhCheckPNotSafePrime = 0x02
const dh_unable_to_check_generator = 0x04 const dhUnableToCheckGenerator = 0x04
const dh_not_suitable_generator = 0x08 const dhNotSuitableGenerator = 0x08
const dh_check_q_not_prime = 0x10 const dhCheckQNotPrime = 0x10
const dh_check_invalid_q_value = 0x20 const dhCheckInvalidQValue = 0x20
const dh_check_invalid_j_value = 0x40 const dhCheckInvalidJValue = 0x40
// ErrAllParametersOK is defined to check whether the returned error from Check is indeed no error // ErrAllParametersOK is defined to check whether the returned error from Check is indeed no error
// For simplicity reasons it is defined as an error instead of an additional result parameter // For simplicity reasons it is defined as an error instead of an additional result parameter
var ErrAllParametersOK = errors.New("DH parameters appear to be ok.") var ErrAllParametersOK = errors.New("DH parameters appear to be ok")
// Check returns a number of errors and an "ok" bool. If the "ok" bool is set to true, still one // Check returns a number of errors and an "ok" bool. If the "ok" bool is set to true, still one
// error is returned: ErrAllParametersOK. If "ok" is false, the error list will contain at least // error is returned: ErrAllParametersOK. If "ok" is false, the error list will contain at least
@ -29,37 +29,37 @@ func (d DH) Check() ([]error, bool) {
i := d.check() i := d.check()
if i&dh_check_p_not_prime > 0 { if i&dhCheckPNotPrime > 0 {
result = append(result, errors.New("WARNING: p value is not prime")) result = append(result, errors.New("WARNING: p value is not prime"))
ok = false ok = false
} }
if i&dh_check_p_not_safe_prime > 0 { if i&dhCheckPNotSafePrime > 0 {
result = append(result, errors.New("WARNING: p value is not a safe prime")) result = append(result, errors.New("WARNING: p value is not a safe prime"))
ok = false ok = false
} }
if i&dh_check_q_not_prime > 0 { if i&dhCheckQNotPrime > 0 {
result = append(result, errors.New("WARNING: q value is not a prime")) result = append(result, errors.New("WARNING: q value is not a prime"))
ok = false ok = false
} }
if i&dh_check_invalid_q_value > 0 { if i&dhCheckInvalidQValue > 0 {
result = append(result, errors.New("WARNING: q value is invalid")) result = append(result, errors.New("WARNING: q value is invalid"))
ok = false ok = false
} }
if i&dh_check_invalid_j_value > 0 { if i&dhCheckInvalidJValue > 0 {
result = append(result, errors.New("WARNING: j value is invalid")) result = append(result, errors.New("WARNING: j value is invalid"))
ok = false ok = false
} }
if i&dh_unable_to_check_generator > 0 { if i&dhUnableToCheckGenerator > 0 {
result = append(result, errors.New("WARNING: unable to check the generator value")) result = append(result, errors.New("WARNING: unable to check the generator value"))
ok = false ok = false
} }
if i&dh_not_suitable_generator > 0 { if i&dhNotSuitableGenerator > 0 {
result = append(result, errors.New("WARNING: the g value is not a generator")) result = append(result, errors.New("WARNING: the g value is not a generator"))
ok = false ok = false
} }
@ -79,24 +79,24 @@ func (d DH) check() int {
case 2: case 2:
l := new(big.Int) l := new(big.Int)
if l.Mod(d.P, big.NewInt(24)); l.Int64() != 11 { if l.Mod(d.P, big.NewInt(24)); l.Int64() != 11 {
ret |= DH_NOT_SUITABLE_GENERATOR ret |= dhNotSuitableGenerator
} }
case 5: case 5:
l := new(big.Int) l := new(big.Int)
if l.Mod(d.P, big.NewInt(10)); l.Int64() != 3 && l.Int64() != 7 { if l.Mod(d.P, big.NewInt(10)); l.Int64() != 3 && l.Int64() != 7 {
ret |= DH_NOT_SUITABLE_GENERATOR ret |= dhNotSuitableGenerator
} }
default: default:
ret |= DH_UNABLE_TO_CHECK_GENERATOR ret |= dhUnableToCheckGenerator
} }
if !d.P.ProbablyPrime(1) { if !d.P.ProbablyPrime(1) {
ret |= DH_CHECK_P_NOT_PRIME ret |= dhCheckPNotPrime
} else { } else {
t1 := new(big.Int) t1 := new(big.Int)
t1.Rsh(d.P, 1) t1.Rsh(d.P, 1)
if !t1.ProbablyPrime(1) { if !t1.ProbablyPrime(1) {
ret |= DH_CHECK_P_NOT_SAFE_PRIME ret |= dhCheckPNotSafePrime
} }
} }