This module includes cryptographic functions.
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void
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otCryptoHmacSha256
(const
otCryptoKey
*aKey, const uint8_t *aBuf, uint16_t aBufLength,
otCryptoSha256Hash
*aHash)
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This function performs HMAC computation.
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void
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otCryptoAesCcm
(const
otCryptoKey
*aKey, uint8_t aTagLength, const void *aNonce, uint8_t aNonceLength, const void *aHeader, uint32_t aHeaderLength, void *aPlainText, void *aCipherText, uint32_t aLength, bool aEncrypt, void *aTag)
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This method performs AES CCM computation.
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otError
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otCryptoEcdsaSign
(uint8_t *aOutput, uint16_t *aOutputLength, const uint8_t *aInputHash, uint16_t aInputHashLength, const uint8_t *aPrivateKey, uint16_t aPrivateKeyLength)
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This method creates ECDSA sign.
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This module includes cryptographic functions.
◆
otCryptoAesCcm()
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void otCryptoAesCcm
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(
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const
otCryptoKey
*
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aKey,
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uint8_t
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aTagLength,
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const void *
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aNonce,
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uint8_t
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aNonceLength,
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const void *
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aHeader,
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uint32_t
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aHeaderLength,
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void *
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aPlainText,
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void *
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aCipherText,
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uint32_t
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aLength,
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bool
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aEncrypt,
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void *
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aTag
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)
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This method performs AES CCM computation.
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Parameters
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[in]
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aKey
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A pointer to the key.
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[in]
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aTagLength
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Length of tag in bytes.
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[in]
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aNonce
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A pointer to the nonce.
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[in]
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aNonceLength
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Length of nonce in bytes.
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[in]
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aHeader
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A pointer to the header.
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[in]
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aHeaderLength
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Length of header in bytes.
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[in,out]
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aPlainText
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A pointer to the plaintext.
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[in,out]
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aCipherText
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A pointer to the ciphertext.
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[in]
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aLength
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Plaintext length in bytes.
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[in]
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aEncrypt
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true
on encrypt and
false
on decrypt.
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[out]
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aTag
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A pointer to the tag.
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◆
otCryptoEcdsaSign()
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otError
otCryptoEcdsaSign
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(
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uint8_t *
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aOutput,
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uint16_t *
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aOutputLength,
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const uint8_t *
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aInputHash,
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uint16_t
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aInputHashLength,
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const uint8_t *
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aPrivateKey,
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uint16_t
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aPrivateKeyLength
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)
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This method creates ECDSA sign.
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Parameters
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[out]
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aOutput
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An output buffer where ECDSA sign should be stored.
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[in,out]
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aOutputLength
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The length of the
aOutput
buffer.
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[in]
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aInputHash
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An input hash.
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[in]
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aInputHashLength
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The length of the
aInputHash
buffer.
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[in]
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aPrivateKey
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A private key in PEM format.
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[in]
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aPrivateKeyLength
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The length of the
aPrivateKey
buffer.
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Return values
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OT_ERROR_NONE
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ECDSA sign has been created successfully.
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OT_ERROR_NO_BUFS
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Output buffer is too small.
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OT_ERROR_INVALID_ARGS
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Private key is not valid EC Private Key.
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OT_ERROR_FAILED
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Error during signing.
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◆
otCryptoHmacSha256()
This function performs HMAC computation.
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Parameters
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[in]
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aKey
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A pointer to the key.
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[in]
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aBuf
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A pointer to the input buffer.
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[in]
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aBufLength
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The length of
aBuf
in bytes.
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[out]
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aHash
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A pointer to a
otCryptoSha256Hash
structure to output the hash value.
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