SHA-1¶
Implementation of the SHA-1 hashing function.
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void
sha1_init
(sha1_context * ctx)¶ Initialize SHA-1 message digest context.
Parameters
ctx: Pointer to the SHA-1 context to initialize
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void
sha1_update
(sha1_context * ctx, const void * data,msp430_types.h::size_t
len)¶ Update the SHA-1 context with a portion of the message being hashed.
Parameters
ctx: Pointer to the SHA-1 context to update data: Input data len: Length of data
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void
sha1_final
(sha1_context * ctx, void * digest)¶ Finalizes the SHA-1 message digest.
Parameters
ctx: Pointer to the SHA-1 context digest: Result location, must be 20 byte
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void
sha1
(void * digest, const void * data,msp430_types.h::size_t
len)¶ Calculate a SHA1 hash from the given data.
Parameters
digest: Result location, must be 20 byte data: Input data len: Length of buf
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void
sha1_init_hmac
(sha1_context * ctx, const void * key,msp430_types.h::size_t
key_length)¶ Initialize SHA-1 message digest context with MAC.
Parameters
ctx: Pointer to the SHA-1 context to initialize key: Key used in the HMAC-SHA1 computation key_length: The size in bytes of key
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void
sha1_final_hmac
(sha1_context * ctx, void * digest)¶ Finalizes the SHA-1 message digest with MAC.
Parameters
ctx: Pointer to the SHA-1 context digest: Result location, must be 20 byte
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SHA1_DIGEST_LENGTH
¶ Length of SHA-1 digests in byte.
1
(20)
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SHA1_BLOCK_LENGTH
¶ Length of SHA-1 block in byte.
1
(64)
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struct
sha1_context
¶ SHA-1 algorithm context.
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uint32_t
buffer
()¶ internal buffer
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uint32_t
state
()¶ buffering current state of hashing
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uint32_t
byte_count
¶ already processed bytes
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uint8_t
buffer_offset
¶ internal state variable to keep track if the buffer is filled before proceeding to hash this block
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uint8_t
key_buffer
()¶ internal state of the key buffer
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uint8_t
inner_hash
()¶ temporary buffer for the inner hashing
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uint32_t