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int SHA224_init(void **shaState);
int SHA224_destroy(void *shaState);
int SHA224_update(void *hs,
const uint8_t *buf,
size_t len);
int SHA224_digest(const void *shaState,
uint8_t *digest,
size_t digest_size);
int SHA224_copy(const void *src, void *dst);
int SHA224_pbkdf2_hmac_assist(const void *inner,
const void *outer,
const uint8_t *first_digest,
uint8_t *final_digest,
size_t iterations,
size_t digest_size);
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SHA224Hasha� A SHA-224 hash object.
Do not instantiate directly.
Use the :func:`new` function.
:ivar oid: ASN.1 Object ID
:vartype oid: string
:ivar block_size: the size in bytes of the internal message block,
input to the compression function
:vartype block_size: integer
:ivar digest_size: the size in bytes of the resulting hash
:vartype digest_size: integer
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|� � � }|rt d|z � �y)z�Continue hashing of a message by consuming the next chunk of data.
Args:
data (byte string/byte array/memoryview): The next chunk of the message being hashed.
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r �lenr )r r r s r r zSHA224Hash.updateS sX � � !�.�.�t�{�{���/@�/:�4�/@�/7��D� �/B�D�� � � F� %� &� '�
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| j � � }|rt d|z � �t |� S )z�Return the **binary** (non-printable) digest of the message that has been hashed so far.
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:rtype: byte string
z#Error %d while making SHA224 digest) r � digest_sizer �
SHA224_digestr r r r r )r �bfrr s r �digestzSHA224Hash.digesta sm � � #�4�#3�#3�4�� �.�.�t�{�{���/@�/2�/7��8H�8H�/I�K�� � � B� %� &� '�
'� �c�"�"r c �~ � dj | j � D �cg c] }dt |� z �� c}� S c c}w )z�Return the **printable** digest of the message that has been hashed so far.
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Hexadecimal encoded.
:rtype: string
� z%02x)�joinr& r )r �xs r � hexdigestzSHA224Hash.hexdigests s0 � � �w�w�$�+�+�-�@�Q���a��(�@�A�A��@s �:c �� � t � }t j | j j � |j j � � }|rt d|z � �|S )a4 Return a copy ("clone") of the hash object.
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object.
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share a common initial substring.
:return: A hash object of the same type
z Error %d while copying SHA224)r r � SHA224_copyr r r )r �cloner s r �copyzSHA224Hash.copy} sR � � � �� �,�,�T�[�[�_�_�->�-2�\�\�-=�-=�-?�A�� � � <�v� E�F� F�� r c � � t |� S )z#Create a fresh SHA-224 hash object.)r )r r s r �newzSHA224Hash.new� s � � �$� � r �N)
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"�C� � '� #�$B��$ r r Nc �4 � t � j | � S )a Create a new hash object.
:parameter data:
Optional. The very first chunk of the message to hash.
It is equivalent to an early call to :meth:`SHA224Hash.update`.
:type data: byte string/byte array/memoryview
:Return: A :class:`SHA224Hash` hash object
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