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#define SHA1_DIGEST_SIZE 20
int SHA1_init(void **shaState);
int SHA1_destroy(void *shaState);
int SHA1_update(void *hs,
const uint8_t *buf,
size_t len);
int SHA1_digest(const void *shaState,
uint8_t digest[SHA1_DIGEST_SIZE]);
int SHA1_copy(const void *src, void *dst);
int SHA1_pbkdf2_hmac_assist(const void *inner,
const void *outer,
const uint8_t first_digest[SHA1_DIGEST_SIZE],
uint8_t final_digest[SHA1_DIGEST_SIZE],
size_t iterations);
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Do not instantiate directly.
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: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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:Return: A :class:`SHA1Hash` hash object
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