54 lines
1.7 KiB
Go
54 lines
1.7 KiB
Go
// Copyright (c) 2025-2026 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package keys
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import (
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"crypto"
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"crypto/rsa"
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"fmt"
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)
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type Type string
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const (
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// TypeEC256 represents ECDSA with P-256 curve
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TypeEC256 Type = "EC256"
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// TypeEC384 represents ECDSA with P-384 curve
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TypeEC384 Type = "EC384"
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// TypeRSA2048 represents RSA with 2048-bit key
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TypeRSA2048 Type = "RSA2048"
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// TypeRSA4096 represents RSA with 4096-bit key
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TypeRSA4096 Type = "RSA4096"
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)
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// Generate creates a new private key of the specified type
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func Generate(keyType Type) (crypto.Signer, error) {
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switch keyType {
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case TypeEC256:
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return ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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case TypeEC384:
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return ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
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case TypeRSA2048:
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return rsa.GenerateKey(rand.Reader, 2048)
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case TypeRSA4096:
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return rsa.GenerateKey(rand.Reader, 4096)
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default:
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return nil, fmt.Errorf("unsupported key type: %s", keyType)
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}
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}
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