Group PJLIB_UTIL_HMAC_SHA1¶
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group
PJLIB_UTIL_HMAC_SHA1
This module contains the implementation of HMAC: Keyed-Hashing for Message Authentication, as described in RFC 2104.
Functions
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void
pj_hmac_sha1
(const pj_uint8_t *input, unsigned input_len, const pj_uint8_t *key, unsigned key_len, pj_uint8_t digest[20])¶ Calculate HMAC-SHA1 digest for the specified input and key with this single function call.
- Parameters
input – Pointer to the input stream.
input_len – Length of input stream in bytes.
key – Pointer to the authentication key.
key_len – Length of the authentication key.
digest – Buffer to be filled with HMAC SHA1 digest.
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void
pj_hmac_sha1_init
(pj_hmac_sha1_context *hctx, const pj_uint8_t *key, unsigned key_len)¶ Initiate HMAC-SHA1 context for incremental hashing.
- Parameters
hctx – HMAC-SHA1 context.
key – Pointer to the authentication key.
key_len – Length of the authentication key.
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void
pj_hmac_sha1_update
(pj_hmac_sha1_context *hctx, const pj_uint8_t *input, unsigned input_len)¶ Append string to the message.
- Parameters
hctx – HMAC-SHA1 context.
input – Pointer to the input stream.
input_len – Length of input stream in bytes.
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void
pj_hmac_sha1_final
(pj_hmac_sha1_context *hctx, pj_uint8_t digest[20])¶ Finish the message and return the digest.
- Parameters
hctx – HMAC-SHA1 context.
digest – Buffer to be filled with HMAC SHA1 digest.
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struct
pj_hmac_sha1_context
¶ - #include <hmac_sha1.h>
The HMAC-SHA1 context used in the incremental HMAC calculation.
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void