@libp2p/crypto/src/keys/keys.ts

Crypto primitives for libp2p

import { decodeMessage, encodeMessage, enumeration, message } from 'protons-runtime'
import type { Codec, DecodeOptions } from 'protons-runtime'
import type { Uint8ArrayList } from 'uint8arraylist'

export enum KeyType {
  RSA = 'RSA',
  Ed25519 = 'Ed25519',
  secp256k1 = 'secp256k1',
  ECDSA = 'ECDSA'
}

enum __KeyTypeValues {
  RSA = 0,
  Ed25519 = 1,
  secp256k1 = 2,
  ECDSA = 3
}

export namespace KeyType {
  export const codec = (): Codec<KeyType> => {
    return enumeration<KeyType>(__KeyTypeValues)
  }
}
export interface PublicKey {
  Type?: KeyType
  Data?: Uint8Array
}

export namespace PublicKey {
  let _codec: Codec<PublicKey>

  export const codec = (): Codec<PublicKey> => {
    if (_codec == null) {
      _codec = message<PublicKey>((obj, w, opts = {}) => {
        if (opts.lengthDelimited !== false) {
          w.fork()
        }

        if (obj.Type != null) {
          w.uint32(8)
          KeyType.codec().encode(obj.Type, w)
        }

        if (obj.Data != null) {
          w.uint32(18)
          w.bytes(obj.Data)
        }

        if (opts.lengthDelimited !== false) {
          w.ldelim()
        }
      }, (reader, length, opts = {}) => {
        const obj: any = {}

        const end = length == null ? reader.len : reader.pos + length

        while (reader.pos < end) {
          const tag = reader.uint32()

          switch (tag >>> 3) {
            case 1: {
              obj.Type = KeyType.codec().decode(reader)
              break
            }
            case 2: {
              obj.Data = reader.bytes()
              break
            }
            default: {
              reader.skipType(tag & 7)
              break
            }
          }
        }

        return obj
      })
    }

    return _codec
  }

  export const encode = (obj: Partial<PublicKey>): Uint8Array => {
    return encodeMessage(obj, PublicKey.codec())
  }

  export const decode = (buf: Uint8Array | Uint8ArrayList, opts?: DecodeOptions<PublicKey>): PublicKey => {
    return decodeMessage(buf, PublicKey.codec(), opts)
  }
}

export interface PrivateKey {
  Type?: KeyType
  Data?: Uint8Array
}

export namespace PrivateKey {
  let _codec: Codec<PrivateKey>

  export const codec = (): Codec<PrivateKey> => {
    if (_codec == null) {
      _codec = message<PrivateKey>((obj, w, opts = {}) => {
        if (opts.lengthDelimited !== false) {
          w.fork()
        }

        if (obj.Type != null) {
          w.uint32(8)
          KeyType.codec().encode(obj.Type, w)
        }

        if (obj.Data != null) {
          w.uint32(18)
          w.bytes(obj.Data)
        }

        if (opts.lengthDelimited !== false) {
          w.ldelim()
        }
      }, (reader, length, opts = {}) => {
        const obj: any = {}

        const end = length == null ? reader.len : reader.pos + length

        while (reader.pos < end) {
          const tag = reader.uint32()

          switch (tag >>> 3) {
            case 1: {
              obj.Type = KeyType.codec().decode(reader)
              break
            }
            case 2: {
              obj.Data = reader.bytes()
              break
            }
            default: {
              reader.skipType(tag & 7)
              break
            }
          }
        }

        return obj
      })
    }

    return _codec
  }

  export const encode = (obj: Partial<PrivateKey>): Uint8Array => {
    return encodeMessage(obj, PrivateKey.codec())
  }

  export const decode = (buf: Uint8Array | Uint8ArrayList, opts?: DecodeOptions<PrivateKey>): PrivateKey => {
    return decodeMessage(buf, PrivateKey.codec(), opts)
  }
}