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Common hash API

Types​

noxtls_sha_ctx_t​

Opaque context for incremental SHA/MD4/MD5 hashing. Used by noxtls_sha_init, noxtls_sha_update, noxtls_sha_finish, and by MD4, MD5, SHA-1, SHA-256, RIPEMD-160 APIs. Allocate and pass to init; do not access fields directly.

noxtls_hash_algos_t​

Enumeration of supported hash algorithms (e.g. SHA-224, SHA-256, SHA-384, SHA-512). Used when initializing a noxtls_sha_ctx_t for the common SHA API.

API​

noxtls_add_padding_length​

void noxtls_add_padding_length(uint8_t * data, uint32_t block_size, uint64_t length, uint8_t length_size);

Adds padding length to the data

Parameters:

  • data — is the data to
  • block_size — is the block size being processed in bytes
  • length — is the length of the data in bytes
  • length_size — is the size of length in bytes

noxtls_add_padding_length_little​

void noxtls_add_padding_length_little(uint8_t * data, uint32_t block_size, uint64_t length, uint8_t length_size);

Adds padding length to the data

Parameters:

  • data — is the data to
  • block_size — is the block size being processed in bytes
  • length — is the length of the data in bytes
  • length_size — is the size of length in bytes

noxtls_sha_init​

noxtls_return_t noxtls_sha_init(noxtls_sha_ctx_t * ctx, noxtls_hash_algos_t algo);

Initialize SHA

Parameters:

Returns: noxtls_return_t: NOXTLS_RETURN_SUCCESS on success, NOXTLS_RETURN_NULL if ctx is NULL

noxtls_sha_update​

noxtls_return_t noxtls_sha_update(noxtls_sha_ctx_t * ctx, uint8_t * data, uint32_t len);

Update SHA

Parameters:

Returns: noxtls_return_t: NOXTLS_RETURN_SUCCESS on success, NOXTLS_RETURN_NULL if ctx is NULL

noxtls_sha_finish​

noxtls_return_t noxtls_sha_finish(noxtls_sha_ctx_t * ctx, uint8_t * hash);

Finish SHA

Parameters:

Returns: noxtls_return_t: NOXTLS_RETURN_SUCCESS on success, NOXTLS_RETURN_NULL if ctx is NULL