Enumerations

enum X963EncodedPointFormat

Records

• class CTRMode

• class ECJPAKEStepPart

• class EllipticCurveJPAKE

• class EncodedECDSASignature

• class EncodedECPrivateKey

• class EncodedECPublicKey

• class EncodedHMACSignature

• class HKDF

• class HKDFSHA1Or256

• class HMAC

Functions

• bool ConstantTimeCompare (const uint8_t * buf1, const uint8_t * buf2, uint16_t len)

• void ClearSecretData (uint8_t * buf, uint32_t len)

• WEAVE_ERROR EncodeBIGNUMValueLE (const BIGNUM & val, uint16_t size, uint8_t *& p)

• WEAVE_ERROR DecodeBIGNUMValueLE (BIGNUM & val, uint16_t size, const uint8_t *& p)

• WEAVE_ERROR GenerateAndEncodeWeaveHMACSignature (OID sigAlgoOID, TLVWriter & writer, uint64_t tag, const uint8_t * data, uint16_t dataLen, const uint8_t * key, uint16_t keyLen)

  =============================================================

  Primary HMAC utility functions used by Weave security code.

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• WEAVE_ERROR VerifyHMACSignature (OID sigAlgoOID, const uint8_t * data, uint16_t dataLen, const EncodedHMACSignature & sig, const uint8_t * key, uint16_t keyLen)

• int GetCurveSize (const OID curveOID)

  Get Elliptic Curve size (in bytes).

  Parameters

  curveOID [in] Specified Elliptic Curve OID.

• WEAVE_ERROR GenerateECDSASignature (OID curveOID, const uint8_t * msgHash, uint8_t msgHashLen, const EncodedECPrivateKey & encodedPrivKey, EncodedECDSASignature & encodedSig)

• WEAVE_ERROR VerifyECDSASignature (OID curveOID, const uint8_t * msgHash, uint8_t msgHashLen, const EncodedECDSASignature & encodedSig, const EncodedECPublicKey & encodedPubKey)

• WEAVE_ERROR GenerateECDSASignature (OID curveOID, const uint8_t * msgHash, uint8_t msgHashLen, const EncodedECPrivateKey & encodedPrivKey, uint8_t * fixedLenSig)

• WEAVE_ERROR VerifyECDSASignature (OID curveOID, const uint8_t * msgHash, uint8_t msgHashLen, const uint8_t * fixedLenSig, const EncodedECPublicKey & encodedPubKey)

• WEAVE_ERROR GenerateECDHKey (OID curveOID, EncodedECPublicKey & encodedPubKey, EncodedECPrivateKey & encodedPrivKey)

• WEAVE_ERROR ECDHComputeSharedSecret (OID curveOID, const EncodedECPublicKey & encodedPubKey, const EncodedECPrivateKey & encodedPrivKey, uint8_t * sharedSecretBuf, uint16_t sharedSecretBufSize, uint16_t & sharedSecretLen)

• WEAVE_ERROR GetCurveG (OID curveOID, EncodedECPublicKey & encodedPubKey)

• int GetCurveSize (const OID curveOID, const EC_GROUP * ecGroup)

• WEAVE_ERROR GetECGroupForCurve (OID curveOID, EC_GROUP *& ecGroup)

• WEAVE_ERROR ECDHComputeSharedSecret (OID curveOID, const EC_GROUP * ecGroup, const EC_POINT * pubKeyPoint, const BIGNUM * privKeyBN, uint8_t * sharedSecretBuf, uint16_t sharedSecretBufSize, uint16_t & sharedSecretLen)

• WEAVE_ERROR EncodeX962ECPoint (OID curveOID, EC_GROUP * ecGroup, const EC_POINT * point, uint8_t * buf, uint16_t bufSize, uint16_t & encodedPointLen)

• WEAVE_ERROR DecodeX962ECPoint (const uint8_t * encodedPoint, uint16_t encodedPointLen, EC_GROUP * group, EC_POINT *& point)

• WEAVE_ERROR DecodeX962ECPoint (const uint8_t * encodedPoint, uint16_t encodedPointLen, BIGNUM *& x, BIGNUM *& y)

• WEAVE_ERROR DecodeECKey (OID curveOID, const EncodedECPrivateKey * encodedPrivKey, const EncodedECPublicKey * encodedPubKey, EC_KEY *& ecKey)

• WEAVE_ERROR EncodeECDSASignature (const ECDSA_SIG * sig, EncodedECDSASignature & encodedSig)

• WEAVE_ERROR DecodeECDSASignature (const EncodedECDSASignature & encodedSig, ECDSA_SIG *& sig)

• WEAVE_ERROR ECDSASigToFixedLenSig (OID curveOID, const ECDSA_SIG * ecSig, uint8_t * fixedLenSig)

  EC Utility Functions with Fixed-Length ECDSA Signature Parameter

• WEAVE_ERROR FixedLenSigToECDSASig (OID curveOID, const uint8_t * fixedLenSig, ECDSA_SIG *& ecSig)

• void uECC_point_add (uECC_word_t * resultconst uECC_word_t * leftconst uECC_word_t * rightuECC_Curve curve)

  Points addition: result = left + right