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