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import-an-existing-key.md

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Import an existing key

Construct keys in another format to a key representation or import keys from a file.

{% tabs %} {% tab title="V1" %}

Method Type Description
PrivateKey.fromString(<privateKey>) String Converts a private key string to PrivateKey
PublicKey.fromString(<publicKey>) String Converts a public key string to PublicKey
PrivateKey.fromBytes(<privateKey>) byte [] Converts a private key from bytes to PrivateKey
PublicKey.fromBytes(<publicKey>) byte [ ] Converts a public key from bytes to PublicKey
PrivateKey.fromKeystore(<bytes, passphrase>) byte [ ], String Private key from keystore and passphrase
PrivateKey.fromPem(<pemEncoded>) String Private key from pem encoded String
PrivateKey.fromPem(<pem, passphrase>) String, String Parse a private key from a PEM encoded string. The private key may be encrypted, e.g. if it was generated by OpenSSL.

{% code title="Java" %}

//Converts a private key string to PrivateKey
Ed25519PrivateKey privateKey = Ed25519PrivateKey.fromString("302e020100300506032b6570042204201d5b7516488d7010e3730ab7432f7115a7588ad76553153f6e108c62cbd1ff25");

//The public key associated with the private key
Ed25519PublicKey publicKey = Ed25519PublicKey.fromString("302a300506032b6570032100d292412f1c86507224c1db656050c2162c91983540d608f6a31e9b43359bc5e");

//v1.3.2

{% endcode %}

{% code title="JavaScript" %}

//Converts a private key string to PrivateKey
const privateKey = Ed25519PrivateKey.fromString("302e020100300506032b6570042204201d5b7516488d7010e3730ab7432f7115a7588ad76553153f6e108c62cbd1ff25");

//The public key associated with the private key
const publicKey = Ed25519PublicKey.fromString("302a300506032b6570032100d292412f1c86507224c1db656050c2162c91983540d608f6a31e9b43359bc5e");

//v1.4.4

{% endcode %} {% endtab %} {% endtabs %}