nl:: Weave:: Crypto
Esse namespace inclui todas as interfaces no Weave para suporte criptográfico compartilhado.
Resumo
Enumerações |
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X963EncodedPointFormat
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enum |
Typedefs |
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AES128CTRDRBG
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typedef |
AES128CTRMode
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typedef |
AES256CTRMode
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typedef |
EntropyFunct)(uint8_t *buf, size_t bufSize)
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typedefint(*
Assinatura de uma função usada para coletar dados aleatórios de uma fonte de entropia. |
HKDFSHA1
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typedef |
HKDFSHA256
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typedef |
HMACSHA1
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typedef |
HMACSHA256
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typedef |
Funções |
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ClearSecretData(uint8_t *buf, uint32_t len)
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NL_DLL_EXPORT void
Limpa os primeiros
len bytes da área de memória buf . |
ConstantTimeCompare(const uint8_t *buf1, const uint8_t *buf2, uint16_t len)
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bool
Compara os primeiros
len bytes da área de memória buf1 e da área de memória buf2 . |
DecodeBIGNUMValueLE(BIGNUM & val, uint16_t size, const uint8_t *& p)
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DecodeECDSASignature(const EncodedECDSASignature & encodedSig, ECDSA_SIG *& sig)
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DecodeECKey(OID curveOID, const EncodedECPrivateKey *encodedPrivKey, const EncodedECPublicKey *encodedPubKey, EC_KEY *& ecKey)
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NL_DLL_EXPORT WEAVE_ERROR
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DecodeX962ECPoint(const uint8_t *encodedPoint, uint16_t encodedPointLen, EC_GROUP *group, EC_POINT *& point)
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NL_DLL_EXPORT WEAVE_ERROR
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DecodeX962ECPoint(const uint8_t *encodedPoint, uint16_t encodedPointLen, BIGNUM *& x, BIGNUM *& y)
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ECDHComputeSharedSecret(OID curveOID, const EC_GROUP *ecGroup, const EC_POINT *pubKeyPoint, const BIGNUM *privKeyBN, uint8_t *sharedSecretBuf, uint16_t sharedSecretBufSize, uint16_t & sharedSecretLen)
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NL_DLL_EXPORT WEAVE_ERROR
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ECDHComputeSharedSecret(OID curveOID, const EncodedECPublicKey & encodedPubKey, const EncodedECPrivateKey & encodedPrivKey, uint8_t *sharedSecretBuf, uint16_t sharedSecretBufSize, uint16_t & sharedSecretLen)
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ECDSASigToFixedLenSig(OID curveOID, const ECDSA_SIG *ecSig, uint8_t *fixedLenSig)
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ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps)
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void
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ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s)
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int
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EncodeBIGNUMValueLE(const BIGNUM & val, uint16_t size, uint8_t *& p)
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EncodeECDSASignature(const ECDSA_SIG *sig, EncodedECDSASignature & encodedSig)
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EncodeX962ECPoint(OID curveOID, EC_GROUP *ecGroup, const EC_POINT *point, uint8_t *buf, uint16_t bufSize, uint16_t & encodedPointLen)
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NL_DLL_EXPORT WEAVE_ERROR
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FixedLenSigToECDSASig(OID curveOID, const uint8_t *fixedLenSig, ECDSA_SIG *& ecSig)
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GenerateAndEncodeWeaveHMACSignature(OID sigAlgoOID, TLVWriter & writer, uint64_t tag, const uint8_t *data, uint16_t dataLen, const uint8_t *key, uint16_t keyLen)
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Gere e codifique uma assinatura HMAC do Weave.
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GenerateAndEncodeWeaveRSASignature(OID sigAlgoOID, TLVWriter & writer, uint64_t tag, const uint8_t *hash, uint8_t hashLen, const uint8_t *keyDER, uint16_t keyDERLen)
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Gere e codifique uma assinatura RSA do Weave.
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GenerateECDHKey(OID curveOID, EncodedECPublicKey & encodedPubKey, EncodedECPrivateKey & encodedPrivKey)
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GenerateECDSASignature(OID curveOID, const uint8_t *msgHash, uint8_t msgHashLen, const EncodedECPrivateKey & encodedPrivKey, EncodedECDSASignature & encodedSig)
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GenerateECDSASignature(OID curveOID, const uint8_t *msgHash, uint8_t msgHashLen, const EncodedECPrivateKey & encodedPrivKey, uint8_t *fixedLenSig)
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GetCurveG(OID curveOID, EncodedECPublicKey & encodedPubKey)
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GetCurveSize(const OID curveOID, const EC_GROUP *ecGroup)
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int
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GetCurveSize(const OID curveOID)
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int
Encontra o tamanho da curva elíptica (em bytes).
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GetECGroupForCurve(OID curveOID, EC_GROUP *& ecGroup)
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NL_DLL_EXPORT WEAVE_ERROR
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ReverseBytes(uint8_t *buf, size_t len)
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void
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ShaNIDFromSigAlgoOID(OID sigAlgoOID)
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int
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VerifyECDSASignature(OID curveOID, const uint8_t *msgHash, uint8_t msgHashLen, const EncodedECDSASignature & encodedSig, const EncodedECPublicKey & encodedPubKey)
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VerifyECDSASignature(OID curveOID, const uint8_t *msgHash, uint8_t msgHashLen, const uint8_t *fixedLenSig, const EncodedECPublicKey & encodedPubKey)
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VerifyHMACSignature(OID sigAlgoOID, const uint8_t *data, uint16_t dataLen, const EncodedHMACSignature & sig, const uint8_t *key, uint16_t keyLen)
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Verifique uma assinatura HMAC do Weave.
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VerifyRSASignature(OID sigAlgoOID, const uint8_t *hash, uint8_t hashLen, const EncodedRSASignature & sig, const uint8_t *certDER, uint16_t certDERLen)
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Verifique uma assinatura RSA do Weave.
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Enumerações
X963EncodedPointFormat
X963EncodedPointFormat
Typedefs
AES128CTRDRBG
CTR_DRBG< Platform::Security::AES128BlockCipherEnc > AES128CTRDRBG
Modo AES128CTR
CTRMode< Platform::Security::AES128BlockCipherEnc > AES128CTRMode
Modo AES256CTR
CTRMode< Platform::Security::AES256BlockCipherEnc > AES256CTRMode
EntropyFunct
int(* EntropyFunct)(uint8_t *buf, size_t bufSize)
Assinatura de uma função usada para coletar dados aleatórios de uma fonte de entropia.
HKDFSHA1
HKDF< Platform::Security::SHA1 > HKDFSHA1
HKDFSHA256
HKDF< Platform::Security::SHA256 > HKDFSHA256
HMACSHA1
HMAC< Platform::Security::SHA1 > HMACSHA1
HMACSHA256
HMAC< Platform::Security::SHA256 > HMACSHA256
Funções
ClearSecretData
NL_DLL_EXPORT void ClearSecretData( uint8_t *buf, uint32_t len )
Limpa os primeiros len
bytes da área de memória buf
.
Nesta implementação, os primeiros len
bytes da área de memória buf
são preenchidos com zeros.
Detalhes | |||||
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Parâmetros |
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ConstantTimeCompare
bool ConstantTimeCompare( const uint8_t *buf1, const uint8_t *buf2, uint16_t len )
Compara os primeiros len
bytes da área de memória buf1
e da área de memória buf2
.
O tempo gasto por essa função é independente dos dados nas áreas buf1
e buf2
da memória.
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Parâmetros |
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Valores de retorno |
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DecodeBIGNUMValueLE
WEAVE_ERROR DecodeBIGNUMValueLE( BIGNUM & val, uint16_t size, const uint8_t *& p )
DecodeECDSASignature
WEAVE_ERROR DecodeECDSASignature( const EncodedECDSASignature & encodedSig, ECDSA_SIG *& sig )
DecodeECKey
NL_DLL_EXPORT WEAVE_ERROR DecodeECKey( OID curveOID, const EncodedECPrivateKey *encodedPrivKey, const EncodedECPublicKey *encodedPubKey, EC_KEY *& ecKey )
DecodeX962ECPoint
NL_DLL_EXPORT WEAVE_ERROR DecodeX962ECPoint( const uint8_t *encodedPoint, uint16_t encodedPointLen, EC_GROUP *group, EC_POINT *& point )
DecodeX962ECPoint
WEAVE_ERROR DecodeX962ECPoint( const uint8_t *encodedPoint, uint16_t encodedPointLen, BIGNUM *& x, BIGNUM *& y )
ECDHComputeSharedSecret
NL_DLL_EXPORT 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 )
ECDHComputeSharedSecret
WEAVE_ERROR ECDHComputeSharedSecret( OID curveOID, const EncodedECPublicKey & encodedPubKey, const EncodedECPrivateKey & encodedPrivKey, uint8_t *sharedSecretBuf, uint16_t sharedSecretBufSize, uint16_t & sharedSecretLen )
ECDSASigToFixedLenSig
WEAVE_ERROR ECDSASigToFixedLenSig( OID curveOID, const ECDSA_SIG *ecSig, uint8_t *fixedLenSig )
ECDSA_SIG_get0
void ECDSA_SIG_get0( const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps )
ECDSA_SIG_set0
int ECDSA_SIG_set0( ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s )
EncodeBIGNUMValueLE
WEAVE_ERROR EncodeBIGNUMValueLE( const BIGNUM & val, uint16_t size, uint8_t *& p )
EncodeECDSASignature
WEAVE_ERROR EncodeECDSASignature( const ECDSA_SIG *sig, EncodedECDSASignature & encodedSig )
EncodeX962ECPoint
NL_DLL_EXPORT WEAVE_ERROR EncodeX962ECPoint( OID curveOID, EC_GROUP *ecGroup, const EC_POINT *point, uint8_t *buf, uint16_t bufSize, uint16_t & encodedPointLen )
FixedLenSigToECDSASig
WEAVE_ERROR FixedLenSigToECDSASig( OID curveOID, const uint8_t *fixedLenSig, ECDSA_SIG *& ecSig )
GenerateAndEncodeWeaveHMACSignature
WEAVE_ERROR GenerateAndEncodeWeaveHMACSignature( OID sigAlgoOID, TLVWriter & writer, uint64_t tag, const uint8_t *data, uint16_t dataLen, const uint8_t *key, uint16_t keyLen )
Gere e codifique uma assinatura HMAC do Weave.
Calcula uma assinatura HMAC para determinados dados usando uma chave secreta e grava a assinatura como uma estrutura HMACSignature do Weave no gravador TLV especificado com a tag especificada.
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GenerateAndEncodeWeaveRSASignature
WEAVE_ERROR GenerateAndEncodeWeaveRSASignature( OID sigAlgoOID, TLVWriter & writer, uint64_t tag, const uint8_t *hash, uint8_t hashLen, const uint8_t *keyDER, uint16_t keyDERLen )
Gere e codifique uma assinatura RSA do Weave.
Calcula uma assinatura RSA usando uma determinada chave privada RSA e hash de mensagem codificada em X509 e grava a assinatura como uma estrutura RSASignature do Weave no gravador TLV especificado com a tag especificada.
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GenerateECDHKey
WEAVE_ERROR GenerateECDHKey( OID curveOID, EncodedECPublicKey & encodedPubKey, EncodedECPrivateKey & encodedPrivKey )
GenerateECDSASignature
WEAVE_ERROR GenerateECDSASignature( OID curveOID, const uint8_t *msgHash, uint8_t msgHashLen, const EncodedECPrivateKey & encodedPrivKey, EncodedECDSASignature & encodedSig )
GenerateECDSASignature
WEAVE_ERROR GenerateECDSASignature( OID curveOID, const uint8_t *msgHash, uint8_t msgHashLen, const EncodedECPrivateKey & encodedPrivKey, uint8_t *fixedLenSig )
GetCurveG
WEAVE_ERROR GetCurveG( OID curveOID, EncodedECPublicKey & encodedPubKey )
GetCurveSize
int GetCurveSize( const OID curveOID, const EC_GROUP *ecGroup )
GetCurveSize
int GetCurveSize( const OID curveOID )
Encontra o tamanho da curva elíptica (em bytes).
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Parâmetros |
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Valores de retorno |
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GetECGroupForCurve
NL_DLL_EXPORT WEAVE_ERROR GetECGroupForCurve( OID curveOID, EC_GROUP *& ecGroup )
ReverseBytes
void ReverseBytes( uint8_t *buf, size_t len )
ShaNIDFromSigAlgoOID
int ShaNIDFromSigAlgoOID( OID sigAlgoOID )
VerifyECDSASignature
WEAVE_ERROR VerifyECDSASignature( OID curveOID, const uint8_t *msgHash, uint8_t msgHashLen, const EncodedECDSASignature & encodedSig, const EncodedECPublicKey & encodedPubKey )
VerifyECDSASignature
WEAVE_ERROR VerifyECDSASignature( OID curveOID, const uint8_t *msgHash, uint8_t msgHashLen, const uint8_t *fixedLenSig, const EncodedECPublicKey & encodedPubKey )
VerifyHMACSignature
WEAVE_ERROR VerifyHMACSignature( OID sigAlgoOID, const uint8_t *data, uint16_t dataLen, const EncodedHMACSignature & sig, const uint8_t *key, uint16_t keyLen )
Verifique uma assinatura HMAC do Weave.
Verifica uma assinatura HMAC usando os dados fornecidos e uma chave secreta a ser usada para verificar a assinatura.
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VerifyRSASignature
WEAVE_ERROR VerifyRSASignature( OID sigAlgoOID, const uint8_t *hash, uint8_t hashLen, const EncodedRSASignature & sig, const uint8_t *certDER, uint16_t certDERLen )
Verifique uma assinatura RSA do Weave.
Verifica uma assinatura RSA usando o hash de dados fornecido e um certificado RSA codificado em X509 contendo a chave pública a ser usada para verificar a assinatura.
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