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int SHA512_init(void **shaState,
size_t digest_size);
int SHA512_destroy(void *shaState);
int SHA512_update(void *hs,
const uint8_t *buf,
size_t len);
int SHA512_digest(const void *shaState,
uint8_t *digest,
size_t digest_size);
int SHA512_copy(const void *src, void *dst);
int SHA512_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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SHA512Hasha A SHA-512 hash object (possibly in its truncated version SHA-512/224 or
SHA-512/256.
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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data (byte string/byte array/memoryview): The next chunk of the message being hashed.
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| j }|rt d|z t | S )zReturn the **binary** (non-printable) digest of the message that has been hashed so far.
:return: The hash digest, computed over the data processed so far.
Binary form.
:rtype: byte string
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r r )r bfrr$ s r% digestzSHA512Hash.digestm s #4#344 ..t{/@/@/2/78H/I/IK K ' B % & ' '
' c"""r' c d d d | D S )zReturn the **printable** digest of the message that has been hashed so far.
:return: The hash digest, computed over the data processed so far.
Hexadecimal encoded.
:rtype: string
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d|z |S )a4 Return a copy ("clone") of the hash object.
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object.
This can be used to efficiently compute the digests of strings that
share a common initial substring.
:return: A hash object of the same type
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r r SHA512_copyr r r )r cloner$ s r% copyzSHA512Hash.copy sm 4 00 ,,T[__->->-2\-=-=-?-?A A G <v EFF F r' Nc , t || j S )z#Create a fresh SHA-512 hash object.)r
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Nc " t | | S )a Create a new hash object.
Args:
data (bytes/bytearray/memoryview):
Optional. The very first chunk of the message to hash.
It is equivalent to an early call to :meth:`SHA512Hash.update`.
truncate (string):
Optional. The desired length of the digest. It can be either "224" or
"256". If not present, the digest is 512 bits long.
Passing this parameter is **not** equivalent to simply truncating
the output digest.
:Return: A :class:`SHA512Hash` hash object
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