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Set min value for the --ssh-rsa-bits flag

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Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>
This commit is contained in:
Stefan Prodan 2023-08-21 19:39:19 +03:00
parent a9e09b856f
commit 2c76c70205
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GPG key ID: 3299AEB0E4085BAF
2 changed files with 6 additions and 3 deletions
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5
internal/flags/rsa_key_bits.go
View file

@ -39,6 +39,9 @@ func (b *RSAKeyBits) Set(str string) error {
if err != nil { if err != nil {
return err return err
} }
if bits < 1024 {
return fmt.Errorf("RSA key bit size must be at least 1024")
}
if bits == 0 || bits%8 != 0 { if bits == 0 || bits%8 != 0 {
return fmt.Errorf("RSA key bit size must be a multiples of 8") return fmt.Errorf("RSA key bit size must be a multiples of 8")
} }
@ -51,5 +54,5 @@ func (b *RSAKeyBits) Type() string {
} }
func (b *RSAKeyBits) Description() string { func (b *RSAKeyBits) Description() string {
return "SSH RSA public key bit size (multiplies of 8)" return "SSH RSA public key bit size (multiplies of 8, min 1024)"
} }

4
internal/flags/rsa_key_bits_test.go
View file

@ -32,8 +32,8 @@ func TestRSAKeyBits_Set(t *testing.T) {
}{ }{
{"supported", "4096", "4096", false}, {"supported", "4096", "4096", false},
{"empty (default)", "", "2048", false}, {"empty (default)", "", "2048", false},
{"unsupported", "0", "0", true}, {"unsupported", "512", "0", true},
{"unsupported", "123", "0", true}, {"unsupported", "1025", "0", true},
} }
for _, tt := range tests { for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) { t.Run(tt.name, func(t *testing.T) {