35#define MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE -0x5080
37#define MBEDTLS_ERR_MD_BAD_INPUT_DATA -0x5100
39#define MBEDTLS_ERR_MD_ALLOC_FAILED -0x5180
41#define MBEDTLS_ERR_MD_FILE_IO_ERROR -0x5200
66#if defined(MBEDTLS_SHA512_C)
67#define MBEDTLS_MD_MAX_SIZE 64
69#define MBEDTLS_MD_MAX_SIZE 32
72#if defined(MBEDTLS_SHA512_C)
73#define MBEDTLS_MD_MAX_BLOCK_SIZE 128
75#define MBEDTLS_MD_MAX_BLOCK_SIZE 64
333 unsigned char *output );
335#if defined(MBEDTLS_FS_IO)
355 unsigned char *output );
466 const unsigned char *input,
size_t ilen,
467 unsigned char *output );
Build-time configuration info.
const int * mbedtls_md_list(void)
This function returns the list of digests supported by the generic digest module.
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_finish(mbedtls_md_context_t *ctx, unsigned char *output)
This function finishes the digest operation, and writes the result to the output buffer.
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_hmac(const mbedtls_md_info_t *md_info, const unsigned char *key, size_t keylen, const unsigned char *input, size_t ilen, unsigned char *output)
This function calculates the full generic HMAC on the input buffer with the provided key.
mbedtls_md_type_t
Supported message digests.
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_hmac_finish(mbedtls_md_context_t *ctx, unsigned char *output)
This function finishes the HMAC operation, and writes the result to the output buffer.
const char * mbedtls_md_get_name(const mbedtls_md_info_t *md_info)
This function extracts the message-digest name from the message-digest information structure.
struct mbedtls_md_info_t mbedtls_md_info_t
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_hmac_reset(mbedtls_md_context_t *ctx)
This function prepares to authenticate a new message with the same key as the previous HMAC operation...
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_starts(mbedtls_md_context_t *ctx)
This function starts a message-digest computation.
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_hmac_update(mbedtls_md_context_t *ctx, const unsigned char *input, size_t ilen)
This function feeds an input buffer into an ongoing HMAC computation.
mbedtls_md_type_t mbedtls_md_get_type(const mbedtls_md_info_t *md_info)
This function extracts the message-digest type from the message-digest information structure.
const mbedtls_md_info_t * mbedtls_md_info_from_type(mbedtls_md_type_t md_type)
This function returns the message-digest information associated with the given digest type.
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_clone(mbedtls_md_context_t *dst, const mbedtls_md_context_t *src)
This function clones the state of a message-digest context.
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_setup(mbedtls_md_context_t *ctx, const mbedtls_md_info_t *md_info, int hmac)
This function selects the message digest algorithm to use, and allocates internal structures.
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md(const mbedtls_md_info_t *md_info, const unsigned char *input, size_t ilen, unsigned char *output)
This function calculates the message-digest of a buffer, with respect to a configurable message-diges...
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_process(mbedtls_md_context_t *ctx, const unsigned char *data)
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_update(mbedtls_md_context_t *ctx, const unsigned char *input, size_t ilen)
This function feeds an input buffer into an ongoing message-digest computation.
void mbedtls_md_init(mbedtls_md_context_t *ctx)
This function initializes a message-digest context without binding it to a particular message-digest ...
const mbedtls_md_info_t * mbedtls_md_info_from_string(const char *md_name)
This function returns the message-digest information associated with the given digest name.
unsigned char mbedtls_md_get_size(const mbedtls_md_info_t *md_info)
This function extracts the message-digest size from the message-digest information structure.
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_file(const mbedtls_md_info_t *md_info, const char *path, unsigned char *output)
This function calculates the message-digest checksum result of the contents of the provided file.
const mbedtls_md_info_t * mbedtls_md_info_from_ctx(const mbedtls_md_context_t *ctx)
This function returns the message-digest information from the given context.
void mbedtls_md_free(mbedtls_md_context_t *ctx)
This function clears the internal structure of ctx and frees any embedded internal structure,...
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_md_hmac_starts(mbedtls_md_context_t *ctx, const unsigned char *key, size_t keylen)
This function sets the HMAC key and prepares to authenticate a new message.
Macro wrapper for struct's members.
#define MBEDTLS_PRIVATE(member)