Class ECDSASECP256R1KeyPair

constructor

• new ECDSASECP256R1KeyPair(
      privateKey?: string | ArrayBuffer | ECDSASECP256R1PrivateKey,
      publicKey?: string | ArrayBuffer | ECDSASECP256R1PublicKey,
  ): ECDSASECP256R1KeyPair

  Parameters

  • OptionalprivateKey: string | ArrayBuffer | ECDSASECP256R1PrivateKey
  • OptionalpublicKey: string | ArrayBuffer | ECDSASECP256R1PublicKey

  Returns ECDSASECP256R1KeyPair

StaticisInstance

hasPrivateKey

• get hasPrivateKey(): boolean

  Determine if this key pair has a private key associated

  Returns boolean

keyType

• get keyType(): AccountKeyAlgorithm

  Get the type of key in use (ECDSA or ED25519) for this key pair

  Returns AccountKeyAlgorithm

publicKey

• get publicKey(): ECDSASECP256R1PublicKey

  Get the public key for this key pair

  Returns ECDSASECP256R1PublicKey

_checkPrivateKey

• _checkPrivateKey(checkKey: ArrayBuffer): undefined | boolean

  Testing interface to validate that a private key is equal to some value (undefined if undecidable)

  Parameters

  • checkKey: ArrayBuffer

  Returns undefined | boolean

decrypt

• decrypt(data: ArrayBuffer): Promise<ArrayBuffer>

  Decrypt some data

  Parameters

  • data: ArrayBuffer

  Returns Promise<ArrayBuffer>

encrypt

• encrypt(data: ArrayBuffer): Promise<ArrayBuffer>

  Encrypt some data

  Parameters

  • data: ArrayBuffer

  Returns Promise<ArrayBuffer>

sign

• sign(
      data: ArrayBuffer,
      options?: signOptionsType,
  ): Promise<BufferStorage | ECDSASECP256R1Signature>

  Sign some data

  Parameters

  • data: ArrayBuffer
  • Optionaloptions: signOptionsType

  Returns Promise<BufferStorage | ECDSASECP256R1Signature>

verify

• verify(
      data: ArrayBuffer,
      signature: ArrayBuffer | BufferStorage | ECDSASECP256R1Signature,
      options?: signOptionsType,
  ): boolean

  Verify a signature

  Parameters

  • data: ArrayBuffer
  • signature: ArrayBuffer | BufferStorage | ECDSASECP256R1Signature
  • Optionaloptions: signOptionsType

  Returns boolean

StaticderivePrivateKeyFromSeed

• derivePrivateKeyFromSeed(
      seed: string | ArrayBuffer,
      index: number,
  ): ECDSASECP256R1PrivateKey

  Create a private key generated from a seed value and an index

  Parameters

  • seed: string | ArrayBuffer
  • index: number

  Returns ECDSASECP256R1PrivateKey

StaticderivePublicKeyFromPrivateKey

• derivePublicKeyFromPrivateKey(
      key: ECDSASECP256R1PrivateKey,
  ): ECDSASECP256R1PublicKey

  Parameters

  • key: ECDSASECP256R1PrivateKey

  Returns ECDSASECP256R1PublicKey

StaticfromSeed

• fromSeed(seed: string | ArrayBuffer, index: number): ECDSASECP256R1KeyPair

  Create a new instance with a private key generated from a seed value and index

  Parameters

  • seed: string | ArrayBuffer
  • index: number

  Returns ECDSASECP256R1KeyPair

StaticsignatureFromDER

• signatureFromDER(signature: number[]): ECDSASECP256R1Signature

  Construct an SEC-like signature from a DER encoded ECDSA [R,S] structure

  Parameters

  • signature: number[]

  Returns ECDSASECP256R1Signature

StaticsignatureToDER

• signatureToDER(signature: ECDSASECP256R1Signature): number[]

  Construct an ASN.1-encoded [R,S] struct from the SEC-like value

  Parameters

  • signature: ECDSASECP256R1Signature

  Returns number[]