@opendatalabs/vana-sdk/dist/crypto/ecies/constants.cjs.map

A TypeScript library for interacting with Vana Network smart contracts.

{"version":3,"sources":["../../../src/crypto/ecies/constants.ts"],"sourcesContent":["/**\n * ECIES Constants and Format Specification\n *\n * These constants define the eccrypto-compatible ECIES format used throughout the SDK.\n * Maintaining these exact values ensures backward compatibility with data encrypted\n * using the original eccrypto library.\n */\n\n/**\n * Elliptic curve parameters\n */\nexport const CURVE = {\n  /** The elliptic curve used (secp256k1 - same as Bitcoin/Ethereum) */\n  name: \"secp256k1\",\n  /** Private key length in bytes */\n  PRIVATE_KEY_LENGTH: 32,\n  /** Compressed public key length in bytes (0x02 or 0x03 prefix + 32 bytes) */\n  COMPRESSED_PUBLIC_KEY_LENGTH: 33,\n  /** Uncompressed public key length in bytes (0x04 prefix + 64 bytes) */\n  UNCOMPRESSED_PUBLIC_KEY_LENGTH: 65,\n  /** ECDH shared secret X coordinate length */\n  SHARED_SECRET_LENGTH: 32,\n  /** Public key prefixes */\n  PREFIX: {\n    /** Uncompressed public key prefix */\n    UNCOMPRESSED: 0x04,\n    /** Compressed public key prefix for even Y */\n    COMPRESSED_EVEN: 0x02,\n    /** Compressed public key prefix for odd Y */\n    COMPRESSED_ODD: 0x03,\n  },\n  /** X coordinate starts at byte 1 (after prefix) */\n  X_COORDINATE_OFFSET: 1,\n  /** X coordinate ends at byte 33 (1 + 32) */\n  X_COORDINATE_END: 33,\n} as const;\n\n/**\n * Symmetric encryption parameters (AES-256-CBC)\n */\nexport const CIPHER = {\n  /** Cipher algorithm - must match eccrypto */\n  algorithm: \"aes-256-cbc\",\n  /** AES key length in bytes */\n  KEY_LENGTH: 32,\n  /** Initialization vector length in bytes */\n  IV_LENGTH: 16,\n  /** Block size for AES */\n  BLOCK_SIZE: 16,\n} as const;\n\n/**\n * Key derivation function parameters\n */\nexport const KDF = {\n  /** Hash algorithm for key derivation - must match eccrypto */\n  algorithm: \"sha512\",\n  /** Output length of SHA-512 in bytes */\n  OUTPUT_LENGTH: 64,\n  /** Encryption key slice (first 32 bytes of KDF output) */\n  ENCRYPTION_KEY_OFFSET: 0,\n  ENCRYPTION_KEY_LENGTH: 32,\n  /** MAC key slice (last 32 bytes of KDF output) */\n  MAC_KEY_OFFSET: 32,\n  MAC_KEY_LENGTH: 32,\n} as const;\n\n/**\n * Message authentication code parameters\n */\nexport const MAC = {\n  /** MAC algorithm - must match eccrypto */\n  algorithm: \"sha256\",\n  /** HMAC-SHA256 output length in bytes */\n  LENGTH: 32,\n} as const;\n\n/**\n * ECIES encrypted data format offsets and lengths\n * Format: [iv(16)][ephemPublicKey(65)][ciphertext(variable)][mac(32)]\n */\nexport const FORMAT = {\n  /** Offsets for each component in serialized format */\n  IV_OFFSET: 0,\n  IV_LENGTH: CIPHER.IV_LENGTH,\n\n  /** Ephemeral public key (always uncompressed in eccrypto format) */\n  EPHEMERAL_KEY_OFFSET: CIPHER.IV_LENGTH,\n  EPHEMERAL_KEY_LENGTH: CURVE.UNCOMPRESSED_PUBLIC_KEY_LENGTH,\n\n  /** Ciphertext starts after IV and ephemeral key */\n  CIPHERTEXT_OFFSET: CIPHER.IV_LENGTH + CURVE.UNCOMPRESSED_PUBLIC_KEY_LENGTH,\n\n  /** MAC is always the last 32 bytes */\n  MAC_LENGTH: MAC.LENGTH,\n\n  /** Minimum size of encrypted data (IV + ephemKey + MAC, no ciphertext) */\n  MIN_ENCRYPTED_LENGTH:\n    CIPHER.IV_LENGTH + CURVE.UNCOMPRESSED_PUBLIC_KEY_LENGTH + MAC.LENGTH,\n\n  /**\n   * Helper to calculate total length of encrypted data\n   *\n   * @param ciphertextLength - Length of the ciphertext portion\n   * @returns Total length including all components\n   */\n  getTotalLength: (ciphertextLength: number) =>\n    CIPHER.IV_LENGTH +\n    CURVE.UNCOMPRESSED_PUBLIC_KEY_LENGTH +\n    ciphertextLength +\n    MAC.LENGTH,\n} as const;\n\n/**\n * Security constants for data clearing\n */\nexport const SECURITY = {\n  /** Overwrite patterns for secure data clearing */\n  CLEAR_PATTERNS: {\n    ZEROS: 0x00,\n    ONES: 0xff,\n    /** Pattern multiplier for third pass */\n    PATTERN_MULTIPLIER: 7,\n    /** Pattern offset for third pass */\n    PATTERN_OFFSET: 13,\n  },\n} as const;\n"],"mappings":";;;;;;;;;;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAWO,MAAM,QAAQ;AAAA;AAAA,EAEnB,MAAM;AAAA;AAAA,EAEN,oBAAoB;AAAA;AAAA,EAEpB,8BAA8B;AAAA;AAAA,EAE9B,gCAAgC;AAAA;AAAA,EAEhC,sBAAsB;AAAA;AAAA,EAEtB,QAAQ;AAAA;AAAA,IAEN,cAAc;AAAA;AAAA,IAEd,iBAAiB;AAAA;AAAA,IAEjB,gBAAgB;AAAA,EAClB;AAAA;AAAA,EAEA,qBAAqB;AAAA;AAAA,EAErB,kBAAkB;AACpB;AAKO,MAAM,SAAS;AAAA;AAAA,EAEpB,WAAW;AAAA;AAAA,EAEX,YAAY;AAAA;AAAA,EAEZ,WAAW;AAAA;AAAA,EAEX,YAAY;AACd;AAKO,MAAM,MAAM;AAAA;AAAA,EAEjB,WAAW;AAAA;AAAA,EAEX,eAAe;AAAA;AAAA,EAEf,uBAAuB;AAAA,EACvB,uBAAuB;AAAA;AAAA,EAEvB,gBAAgB;AAAA,EAChB,gBAAgB;AAClB;AAKO,MAAM,MAAM;AAAA;AAAA,EAEjB,WAAW;AAAA;AAAA,EAEX,QAAQ;AACV;AAMO,MAAM,SAAS;AAAA;AAAA,EAEpB,WAAW;AAAA,EACX,WAAW,OAAO;AAAA;AAAA,EAGlB,sBAAsB,OAAO;AAAA,EAC7B,sBAAsB,MAAM;AAAA;AAAA,EAG5B,mBAAmB,OAAO,YAAY,MAAM;AAAA;AAAA,EAG5C,YAAY,IAAI;AAAA;AAAA,EAGhB,sBACE,OAAO,YAAY,MAAM,iCAAiC,IAAI;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EAQhE,gBAAgB,CAAC,qBACf,OAAO,YACP,MAAM,iCACN,mBACA,IAAI;AACR;AAKO,MAAM,WAAW;AAAA;AAAA,EAEtB,gBAAgB;AAAA,IACd,OAAO;AAAA,IACP,MAAM;AAAA;AAAA,IAEN,oBAAoB;AAAA;AAAA,IAEpB,gBAAgB;AAAA,EAClB;AACF;","names":[]}