ECDH.computeSecret method | Node.js crypto module | Bun
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computeSecretMcomputeSecret
method
crypto.ECDH.computeSecretcomputeSecret(otherPublicKey: ArrayBufferView): NonSharedBuffer;
Computes the shared secret using otherPublicKey as the other party's public key and returns the computed shared secret. The supplied key is interpreted using specified inputEncoding, and the returned secret is encoded using the specified outputEncoding. If the inputEncoding is not provided, otherPublicKey is expected to be a Buffer, TypedArray, or DataView.
If outputEncoding is given a string will be returned; otherwise a Buffer is returned.
ecdh.computeSecret will throw anERR_CRYPTO_ECDH_INVALID_PUBLIC_KEY error when otherPublicKey lies outside of the elliptic curve. Since otherPublicKey is usually supplied from a remote user over an insecure network, be sure to handle this exception accordingly.
computeSecret(otherPublicKey: string,inputEncoding:
BinaryToTextEncoding): NonSharedBuffer;
Computes the shared secret using otherPublicKey as the other party's public key and returns the computed shared secret. The supplied key is interpreted using specified inputEncoding, and the returned secret is encoded using the specified outputEncoding. If the inputEncoding is not provided, otherPublicKey is expected to be a Buffer, TypedArray, or DataView.
If outputEncoding is given a string will be returned; otherwise a Buffer is returned.
ecdh.computeSecret will throw anERR_CRYPTO_ECDH_INVALID_PUBLIC_KEY error when otherPublicKey lies outside of the elliptic curve. Since otherPublicKey is usually supplied from a remote user over an insecure network, be sure to handle this exception accordingly.
@param inputEncoding
The encoding of the otherPublicKey string.
computeSecret(otherPublicKey: ArrayBufferView,outputEncoding:
BinaryToTextEncoding): string;
Computes the shared secret using otherPublicKey as the other party's public key and returns the computed shared secret. The supplied key is interpreted using specified inputEncoding, and the returned secret is encoded using the specified outputEncoding. If the inputEncoding is not provided, otherPublicKey is expected to be a Buffer, TypedArray, or DataView.
If outputEncoding is given a string will be returned; otherwise a Buffer is returned.
ecdh.computeSecret will throw anERR_CRYPTO_ECDH_INVALID_PUBLIC_KEY error when otherPublicKey lies outside of the elliptic curve. Since otherPublicKey is usually supplied from a remote user over an insecure network, be sure to handle this exception accordingly.
@param outputEncoding
The encoding of the return value.
computeSecret(otherPublicKey: string,inputEncoding:
BinaryToTextEncoding,outputEncoding:
BinaryToTextEncoding): string;
Computes the shared secret using otherPublicKey as the other party's public key and returns the computed shared secret. The supplied key is interpreted using specified inputEncoding, and the returned secret is encoded using the specified outputEncoding. If the inputEncoding is not provided, otherPublicKey is expected to be a Buffer, TypedArray, or DataView.
If outputEncoding is given a string will be returned; otherwise a Buffer is returned.
ecdh.computeSecret will throw anERR_CRYPTO_ECDH_INVALID_PUBLIC_KEY error when otherPublicKey lies outside of the elliptic curve. Since otherPublicKey is usually supplied from a remote user over an insecure network, be sure to handle this exception accordingly.
@param inputEncoding
The encoding of the otherPublicKey string.
@param outputEncoding
The encoding of the return value.
Referenced typestype
BinaryToTextEncoding = 'base64' | 'base64url' | 'hex' | 'binary'
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