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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| package caddypki | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| ) | ||
|
|
||
| // The key type to be used for signing the CSR. The possible types are: | ||
| // EC, RSA, and OKP. | ||
| type keyType string | ||
|
|
||
| const ( | ||
| keyTypeEC keyType = "EC" | ||
| keyTypeRSA keyType = "RSA" | ||
| keyTypeOKP keyType = "OKP" | ||
| ) | ||
|
|
||
| var stringToKey = map[string]keyType{ | ||
| "EC": keyTypeEC, | ||
| "RSA": keyTypeRSA, | ||
| "OKP": keyTypeOKP, | ||
| } | ||
|
|
||
| func (kt *keyType) UnmarshalJSON(b []byte) error { | ||
| var s string | ||
| if err := json.Unmarshal(b, &s); err != nil { | ||
| return err | ||
| } | ||
| switch s { | ||
| case string(keyTypeEC), string(keyTypeRSA), string(keyTypeOKP): | ||
| *kt = stringToKey[s] | ||
| default: | ||
| return fmt.Errorf("unknown key type: %s", s) | ||
| } | ||
| return nil | ||
| } | ||
| func (kt keyType) String() string { | ||
| return string(kt) | ||
| } | ||
|
|
||
| // The curve to use with key types EC and OKP. | ||
| // If the Type is OKP, then acceptable curves are: Ed25519, or X25519 | ||
| // If the Type is EC, then acceptable curves are: P-256, P-384, or P-521 | ||
| type curve string | ||
|
|
||
| const ( | ||
| curveEd25519 curve = "Ed25519" | ||
| curveX25519 curve = "X25519" | ||
| curveP256 curve = "P-256" | ||
| curveP384 curve = "P-384" | ||
| curveP521 curve = "P-521" | ||
| ) | ||
|
|
||
| var stringToCurve = map[string]curve{ | ||
| "Ed25519": curveEd25519, | ||
| "X25519": curveX25519, | ||
| "P-256": curveP256, | ||
| "P-384": curveP384, | ||
| "P-521": curveP521, | ||
| } | ||
|
|
||
| func (c *curve) UnmarshalJSON(b []byte) error { | ||
| var s string | ||
| if err := json.Unmarshal(b, &s); err != nil { | ||
| return err | ||
| } | ||
| switch s { | ||
| case string(curveEd25519), string(curveX25519), string(curveP256), string(curveP384), string(curveP521): | ||
| *c = stringToCurve[s] | ||
| default: | ||
| return fmt.Errorf("unknown curve: %s", s) | ||
| } | ||
| return nil | ||
| } | ||
| func (c curve) String() string { | ||
| return string(c) | ||
| } | ||
|
|
||
| type keyParameters struct { | ||
| // The key type to be used for signing the CSR. The possible types are: | ||
| // EC, RSA, and OKP. | ||
| Type keyType `json:"type"` | ||
|
|
||
| // The curve to use with key types EC and OKP. | ||
| // If the Type is OKP, then acceptable curves are: Ed25519, or X25519 | ||
| // If the Type is EC, then acceptable curves are: P-256, P-384, or P-521 | ||
| Curve curve `json:"curve,omitempty"` | ||
|
|
||
| // Only used with RSA keys and accepts minimum of 2048. | ||
| Size int `json:"size,omitempty"` | ||
| } | ||
|
|
||
| func (kp *keyParameters) validate() error { | ||
| if kp == nil { | ||
| return nil | ||
| } | ||
|
|
||
| if kp.Type == keyTypeRSA { | ||
| if kp.Size < 2048 { | ||
| return fmt.Errorf("minimum RSA key size is 2048 bits: %v", kp.Size) | ||
| } | ||
| } | ||
| if kp.Type == keyTypeEC { | ||
| switch kp.Curve { | ||
| case curveP256, curveP384, curveP521: | ||
| return nil | ||
| default: | ||
| return fmt.Errorf("unrecognized EC curve: %v", kp.Curve) | ||
| } | ||
| } | ||
| if kp.Type == keyTypeOKP { | ||
| switch kp.Curve { | ||
| case curveEd25519, curveX25519: | ||
| return nil | ||
| default: | ||
| return fmt.Errorf("unrecognized OKP curve: %v", kp.Curve) | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| type csrRequest struct { | ||
| // Custom name assigned to the CSR key. If empty, UUID is generated and assigned. | ||
| ID string `json:"id,omitempty"` | ||
|
|
||
| // Customization knobs of the generated/loaded key, if desired. The format is: | ||
| // { | ||
| // // Valid values for type are: EC, RSA, and OKP. | ||
| // "type": "", | ||
| // | ||
| // // The curve to use with key types EC and OKP. | ||
| // // If the Type is OKP, then acceptable curves are: Ed25519, or X25519 | ||
| // // If the Type is EC, then acceptable curves are: P-256, P-384, or P-521 | ||
| // "curve": "", | ||
| // | ||
| // // Only used with RSA keys and accepts minimum of 2048. | ||
| // "size": 0 | ||
| // } | ||
| // | ||
| // If empty, sane defaults will be managed internally without exposing their details | ||
| // to the user. At the moment, the default parameters are: | ||
| // { | ||
| // "type": "EC", | ||
| // "curve": "P-256" | ||
| // } | ||
| Key *keyParameters `json:"key,omitempty"` | ||
|
|
||
| // SANs is a list of subject alternative names for the certificate. | ||
| SANs []string `json:"sans"` | ||
| } | ||
|
|
||
| func (c csrRequest) validate() error { | ||
| return c.Key.validate() | ||
| } | ||
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