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Group MD_LIGHT and MD_C parts of md.c

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Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This commit is contained in:
Manuel Pégourié-Gonnard 2023-02-23 20:45:26 +01:00
parent 623c73b46d
commit 1e57abd3ec
1 changed files with 124 additions and 122 deletions
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246
library/md.c
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@ -31,6 +31,8 @@
* most hash metadata (everything except string names); is it * most hash metadata (everything except string names); is it
* automatically set whenever MBEDTLS_MD_C is defined. * automatically set whenever MBEDTLS_MD_C is defined.
* *
* In this file, functions from MD_LIGHT are at the top, MD_C at the end.
*
* In the future we may want to change the contract of some functions * In the future we may want to change the contract of some functions
* (behaviour with NULL arguments) depending on whether MD_C is defined or * (behaviour with NULL arguments) depending on whether MD_C is defined or
* only MD_LIGHT. Also, the exact scope of MD_LIGHT might vary. * only MD_LIGHT. Also, the exact scope of MD_LIGHT might vary.
@ -121,93 +123,6 @@ const mbedtls_md_info_t mbedtls_sha512_info = {
}; };
#endif #endif
/*
* Reminder: update profiles in x509_crt.c when adding a new hash!
*/
#if defined(MBEDTLS_MD_C)
static const int supported_digests[] = {
#if defined(MBEDTLS_SHA512_C)
MBEDTLS_MD_SHA512,
#endif
#if defined(MBEDTLS_SHA384_C)
MBEDTLS_MD_SHA384,
#endif
#if defined(MBEDTLS_SHA256_C)
MBEDTLS_MD_SHA256,
#endif
#if defined(MBEDTLS_SHA224_C)
MBEDTLS_MD_SHA224,
#endif
#if defined(MBEDTLS_SHA1_C)
MBEDTLS_MD_SHA1,
#endif
#if defined(MBEDTLS_RIPEMD160_C)
MBEDTLS_MD_RIPEMD160,
#endif
#if defined(MBEDTLS_MD5_C)
MBEDTLS_MD_MD5,
#endif
MBEDTLS_MD_NONE
};
const int *mbedtls_md_list(void)
{
return supported_digests;
}
const mbedtls_md_info_t *mbedtls_md_info_from_string(const char *md_name)
{
if (NULL == md_name) {
return NULL;
}
/* Get the appropriate digest information */
#if defined(MBEDTLS_MD5_C)
if (!strcmp("MD5", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_MD5);
}
#endif
#if defined(MBEDTLS_RIPEMD160_C)
if (!strcmp("RIPEMD160", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_RIPEMD160);
}
#endif
#if defined(MBEDTLS_SHA1_C)
if (!strcmp("SHA1", md_name) || !strcmp("SHA", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_SHA1);
}
#endif
#if defined(MBEDTLS_SHA224_C)
if (!strcmp("SHA224", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_SHA224);
}
#endif
#if defined(MBEDTLS_SHA256_C)
if (!strcmp("SHA256", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_SHA256);
}
#endif
#if defined(MBEDTLS_SHA384_C)
if (!strcmp("SHA384", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_SHA384);
}
#endif
#if defined(MBEDTLS_SHA512_C)
if (!strcmp("SHA512", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_SHA512);
}
#endif
return NULL;
}
#endif /* MBEDTLS_MD_C */
const mbedtls_md_info_t *mbedtls_md_info_from_type(mbedtls_md_type_t md_type) const mbedtls_md_info_t *mbedtls_md_info_from_type(mbedtls_md_type_t md_type)
{ {
switch (md_type) { switch (md_type) {
@ -244,18 +159,6 @@ const mbedtls_md_info_t *mbedtls_md_info_from_type(mbedtls_md_type_t md_type)
} }
} }
#if defined(MBEDTLS_MD_C)
const mbedtls_md_info_t *mbedtls_md_info_from_ctx(
const mbedtls_md_context_t *ctx)
{
if (ctx == NULL) {
return NULL;
}
return ctx->MBEDTLS_PRIVATE(md_info);
}
#endif /* MBEDTLS_MD_C */
void mbedtls_md_init(mbedtls_md_context_t *ctx) void mbedtls_md_init(mbedtls_md_context_t *ctx)
{ {
memset(ctx, 0, sizeof(mbedtls_md_context_t)); memset(ctx, 0, sizeof(mbedtls_md_context_t));
@ -604,7 +507,126 @@ int mbedtls_md(const mbedtls_md_info_t *md_info, const unsigned char *input, siz
} }
} }
#if defined(MBEDTLS_FS_IO) && defined(MBEDTLS_MD_C) unsigned char mbedtls_md_get_size(const mbedtls_md_info_t *md_info)
{
if (md_info == NULL) {
return 0;
}
return md_info->size;
}
mbedtls_md_type_t mbedtls_md_get_type(const mbedtls_md_info_t *md_info)
{
if (md_info == NULL) {
return MBEDTLS_MD_NONE;
}
return md_info->type;
}
/************************************************************************
* Functions above this separator are part of MBEDTLS_MD_LIGHT, *
* functions below are only available when MBEDTLS_MD_C is set. *
************************************************************************/
#if defined(MBEDTLS_MD_C)
/*
* Reminder: update profiles in x509_crt.c when adding a new hash!
*/
static const int supported_digests[] = {
#if defined(MBEDTLS_SHA512_C)
MBEDTLS_MD_SHA512,
#endif
#if defined(MBEDTLS_SHA384_C)
MBEDTLS_MD_SHA384,
#endif
#if defined(MBEDTLS_SHA256_C)
MBEDTLS_MD_SHA256,
#endif
#if defined(MBEDTLS_SHA224_C)
MBEDTLS_MD_SHA224,
#endif
#if defined(MBEDTLS_SHA1_C)
MBEDTLS_MD_SHA1,
#endif
#if defined(MBEDTLS_RIPEMD160_C)
MBEDTLS_MD_RIPEMD160,
#endif
#if defined(MBEDTLS_MD5_C)
MBEDTLS_MD_MD5,
#endif
MBEDTLS_MD_NONE
};
const int *mbedtls_md_list(void)
{
return supported_digests;
}
const mbedtls_md_info_t *mbedtls_md_info_from_string(const char *md_name)
{
if (NULL == md_name) {
return NULL;
}
/* Get the appropriate digest information */
#if defined(MBEDTLS_MD5_C)
if (!strcmp("MD5", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_MD5);
}
#endif
#if defined(MBEDTLS_RIPEMD160_C)
if (!strcmp("RIPEMD160", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_RIPEMD160);
}
#endif
#if defined(MBEDTLS_SHA1_C)
if (!strcmp("SHA1", md_name) || !strcmp("SHA", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_SHA1);
}
#endif
#if defined(MBEDTLS_SHA224_C)
if (!strcmp("SHA224", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_SHA224);
}
#endif
#if defined(MBEDTLS_SHA256_C)
if (!strcmp("SHA256", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_SHA256);
}
#endif
#if defined(MBEDTLS_SHA384_C)
if (!strcmp("SHA384", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_SHA384);
}
#endif
#if defined(MBEDTLS_SHA512_C)
if (!strcmp("SHA512", md_name)) {
return mbedtls_md_info_from_type(MBEDTLS_MD_SHA512);
}
#endif
return NULL;
}
const mbedtls_md_info_t *mbedtls_md_info_from_ctx(
const mbedtls_md_context_t *ctx)
{
if (ctx == NULL) {
return NULL;
}
return ctx->MBEDTLS_PRIVATE(md_info);
}
#if defined(MBEDTLS_FS_IO)
int mbedtls_md_file(const mbedtls_md_info_t *md_info, const char *path, unsigned char *output) int mbedtls_md_file(const mbedtls_md_info_t *md_info, const char *path, unsigned char *output)
{ {
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
@ -653,9 +675,8 @@ cleanup:
return ret; return ret;
} }
#endif /* MBEDTLS_FS_IO && MBEDTLS_MD_C */ #endif /* MBEDTLS_FS_IO */
#if defined(MBEDTLS_MD_C)
int mbedtls_md_hmac_starts(mbedtls_md_context_t *ctx, const unsigned char *key, size_t keylen) int mbedtls_md_hmac_starts(mbedtls_md_context_t *ctx, const unsigned char *key, size_t keylen)
{ {
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
@ -792,27 +813,7 @@ cleanup:
return ret; return ret;
} }
#endif /* MBEDTLS_MD_C */
unsigned char mbedtls_md_get_size(const mbedtls_md_info_t *md_info)
{
if (md_info == NULL) {
return 0;
}
return md_info->size;
}
mbedtls_md_type_t mbedtls_md_get_type(const mbedtls_md_info_t *md_info)
{
if (md_info == NULL) {
return MBEDTLS_MD_NONE;
}
return md_info->type;
}
#if defined(MBEDTLS_MD_C)
const char *mbedtls_md_get_name(const mbedtls_md_info_t *md_info) const char *mbedtls_md_get_name(const mbedtls_md_info_t *md_info)
{ {
if (md_info == NULL) { if (md_info == NULL) {
@ -821,6 +822,7 @@ const char *mbedtls_md_get_name(const mbedtls_md_info_t *md_info)
return md_info->name; return md_info->name;
} }
#endif /* MBEDTLS_MD_C */ #endif /* MBEDTLS_MD_C */
#endif /* MBEDTLS_MD_LIGHT */ #endif /* MBEDTLS_MD_LIGHT */