diff options
Diffstat (limited to 'lib/algorithms/mac.c')
| -rw-r--r-- | lib/algorithms/mac.c | 236 |
1 files changed, 115 insertions, 121 deletions
diff --git a/lib/algorithms/mac.c b/lib/algorithms/mac.c index a2fc83688d..595eab348e 100644 --- a/lib/algorithms/mac.c +++ b/lib/algorithms/mac.c @@ -26,19 +26,24 @@ #include <x509/common.h> static const mac_entry_st hash_algorithms[] = { - {"SHA1", HASH_OID_SHA1, GNUTLS_MAC_SHA1, 20, 20, 0, 0, 1, 64}, - {"MD5", HASH_OID_MD5, GNUTLS_MAC_MD5, 16, 16, 0, 0, 0, 64}, - {"SHA256", HASH_OID_SHA256, GNUTLS_MAC_SHA256, 32, 32, 0, 0, 1, 64}, - {"SHA384", HASH_OID_SHA384, GNUTLS_MAC_SHA384, 48, 48, 0, 0, 1, 64}, - {"SHA512", HASH_OID_SHA512, GNUTLS_MAC_SHA512, 64, 64, 0, 0, 1, 64}, - {"SHA224", HASH_OID_SHA224, GNUTLS_MAC_SHA224, 28, 28, 0, 0, 1, 64}, - {"UMAC-96", NULL, GNUTLS_MAC_UMAC_96, 12, 16, 8, 0, 1, 0}, - {"UMAC-128", NULL, GNUTLS_MAC_UMAC_128, 16, 16, 8, 0, 1, 0}, - {"AEAD", NULL, GNUTLS_MAC_AEAD, 0, 0, 0, 1, 1, 0}, - {"MD2", HASH_OID_MD2, GNUTLS_MAC_MD2, 0, 0, 0, 0, 0, 0}, /* not used as MAC */ - {"RIPEMD160", HASH_OID_RMD160, GNUTLS_MAC_RMD160, 20, 20, 0, 0, 1, 64}, - {"MAC-NULL", NULL, GNUTLS_MAC_NULL, 0, 0, 0, 0, 0, 0}, - {0, 0, 0, 0, 0, 0, 0, 0} + {"SHA1", HASH_OID_SHA1, GNUTLS_MAC_SHA1, 20, 20, 0, 0, 1, 64}, + {"MD5", HASH_OID_MD5, GNUTLS_MAC_MD5, 16, 16, 0, 0, 0, 64}, + {"SHA256", HASH_OID_SHA256, GNUTLS_MAC_SHA256, 32, 32, 0, 0, 1, + 64}, + {"SHA384", HASH_OID_SHA384, GNUTLS_MAC_SHA384, 48, 48, 0, 0, 1, + 64}, + {"SHA512", HASH_OID_SHA512, GNUTLS_MAC_SHA512, 64, 64, 0, 0, 1, + 64}, + {"SHA224", HASH_OID_SHA224, GNUTLS_MAC_SHA224, 28, 28, 0, 0, 1, + 64}, + {"UMAC-96", NULL, GNUTLS_MAC_UMAC_96, 12, 16, 8, 0, 1, 0}, + {"UMAC-128", NULL, GNUTLS_MAC_UMAC_128, 16, 16, 8, 0, 1, 0}, + {"AEAD", NULL, GNUTLS_MAC_AEAD, 0, 0, 0, 1, 1, 0}, + {"MD2", HASH_OID_MD2, GNUTLS_MAC_MD2, 0, 0, 0, 0, 0, 0}, /* not used as MAC */ + {"RIPEMD160", HASH_OID_RMD160, GNUTLS_MAC_RMD160, 20, 20, 0, 0, 1, + 64}, + {"MAC-NULL", NULL, GNUTLS_MAC_NULL, 0, 0, 0, 0, 0, 0}, + {0, 0, 0, 0, 0, 0, 0, 0} }; @@ -49,24 +54,24 @@ static const mac_entry_st hash_algorithms[] = { #define GNUTLS_HASH_ALG_LOOP(a) \ GNUTLS_HASH_LOOP( if(p->id == algorithm) { a; break; } ) -const mac_entry_st* mac_to_entry(gnutls_mac_algorithm_t c) +const mac_entry_st *mac_to_entry(gnutls_mac_algorithm_t c) { - GNUTLS_HASH_LOOP (if (c==p->id) return p); + GNUTLS_HASH_LOOP(if (c == p->id) return p); - return NULL; + return NULL; } int -_gnutls_mac_priority (gnutls_session_t session, - gnutls_mac_algorithm_t algorithm) -{ /* actually returns the priority */ - unsigned int i; - for (i = 0; i < session->internals.priorities.mac.algorithms; i++) - { - if (session->internals.priorities.mac.priority[i] == algorithm) - return i; - } - return -1; +_gnutls_mac_priority(gnutls_session_t session, + gnutls_mac_algorithm_t algorithm) +{ /* actually returns the priority */ + unsigned int i; + for (i = 0; i < session->internals.priorities.mac.algorithms; i++) { + if (session->internals.priorities.mac.priority[i] == + algorithm) + return i; + } + return -1; } /** @@ -78,15 +83,14 @@ _gnutls_mac_priority (gnutls_session_t session, * Returns: a string that contains the name of the specified MAC * algorithm, or %NULL. **/ -const char * -gnutls_mac_get_name (gnutls_mac_algorithm_t algorithm) +const char *gnutls_mac_get_name(gnutls_mac_algorithm_t algorithm) { - const char *ret = NULL; + const char *ret = NULL; - /* avoid prefix */ - GNUTLS_HASH_ALG_LOOP (ret = p->name); + /* avoid prefix */ + GNUTLS_HASH_ALG_LOOP(ret = p->name); - return ret; + return ret; } /** @@ -98,20 +102,18 @@ gnutls_mac_get_name (gnutls_mac_algorithm_t algorithm) * Returns: a string that contains the name of the specified digest * algorithm, or %NULL. **/ -const char * -gnutls_digest_get_name (gnutls_digest_algorithm_t algorithm) +const char *gnutls_digest_get_name(gnutls_digest_algorithm_t algorithm) { - const char *ret = NULL; + const char *ret = NULL; - GNUTLS_HASH_LOOP ( - if (algorithm == (unsigned)p->id && p->oid != NULL) - { - ret = p->name; - break; - } - ); + GNUTLS_HASH_LOOP( + if (algorithm == (unsigned) p->id && p->oid != NULL) { + ret = p->name; + break; + } + ); - return ret; + return ret; } /** @@ -124,20 +126,18 @@ gnutls_digest_get_name (gnutls_digest_algorithm_t algorithm) * Returns: a #gnutls_digest_algorithm_t id of the specified MAC * algorithm string, or %GNUTLS_DIG_UNKNOWN on failures. **/ -gnutls_digest_algorithm_t -gnutls_digest_get_id (const char *name) +gnutls_digest_algorithm_t gnutls_digest_get_id(const char *name) { - gnutls_digest_algorithm_t ret = GNUTLS_DIG_UNKNOWN; + gnutls_digest_algorithm_t ret = GNUTLS_DIG_UNKNOWN; - GNUTLS_HASH_LOOP ( - if (p->oid != NULL && strcasecmp (p->name, name) == 0) - { - ret = p->id; - break; - } - ); + GNUTLS_HASH_LOOP( + if (p->oid != NULL && strcasecmp(p->name, name) == 0) { + ret = p->id; + break; + } + ); - return ret; + return ret; } /** @@ -150,20 +150,18 @@ gnutls_digest_get_id (const char *name) * Returns: a #gnutls_mac_algorithm_t id of the specified MAC * algorithm string, or %GNUTLS_MAC_UNKNOWN on failures. **/ -gnutls_mac_algorithm_t -gnutls_mac_get_id (const char *name) +gnutls_mac_algorithm_t gnutls_mac_get_id(const char *name) { - gnutls_mac_algorithm_t ret = GNUTLS_MAC_UNKNOWN; + gnutls_mac_algorithm_t ret = GNUTLS_MAC_UNKNOWN; - GNUTLS_HASH_LOOP ( - if (strcasecmp (p->name, name) == 0) - { - ret = p->id; - break; - } - ); + GNUTLS_HASH_LOOP( + if (strcasecmp(p->name, name) == 0) { + ret = p->id; + break; + } + ); - return ret; + return ret; } /** @@ -175,15 +173,14 @@ gnutls_mac_get_id (const char *name) * Returns: length (in bytes) of the given MAC key size, or 0 if the * given MAC algorithm is invalid. **/ -size_t -gnutls_mac_get_key_size (gnutls_mac_algorithm_t algorithm) +size_t gnutls_mac_get_key_size(gnutls_mac_algorithm_t algorithm) { - size_t ret = 0; + size_t ret = 0; - /* avoid prefix */ - GNUTLS_HASH_ALG_LOOP (ret = p->key_size); + /* avoid prefix */ + GNUTLS_HASH_ALG_LOOP(ret = p->key_size); - return ret; + return ret; } /** @@ -196,15 +193,14 @@ gnutls_mac_get_key_size (gnutls_mac_algorithm_t algorithm) * * Since: 3.2.0 **/ -size_t -gnutls_mac_get_nonce_size (gnutls_mac_algorithm_t algorithm) +size_t gnutls_mac_get_nonce_size(gnutls_mac_algorithm_t algorithm) { - size_t ret = 0; + size_t ret = 0; - /* avoid prefix */ - GNUTLS_HASH_ALG_LOOP (ret = p->nonce_size); + /* avoid prefix */ + GNUTLS_HASH_ALG_LOOP(ret = p->nonce_size); - return ret; + return ret; } /** @@ -217,23 +213,21 @@ gnutls_mac_get_nonce_size (gnutls_mac_algorithm_t algorithm) * Returns: Return a (0)-terminated list of #gnutls_mac_algorithm_t * integers indicating the available MACs. **/ -const gnutls_mac_algorithm_t * -gnutls_mac_list (void) +const gnutls_mac_algorithm_t *gnutls_mac_list(void) { -static gnutls_mac_algorithm_t supported_macs[MAX_ALGOS] = { 0 }; + static gnutls_mac_algorithm_t supported_macs[MAX_ALGOS] = { 0 }; - if (supported_macs[0] == 0) - { - int i = 0; + if (supported_macs[0] == 0) { + int i = 0; - GNUTLS_HASH_LOOP ( - if (p->placeholder != 0 || _gnutls_mac_exists(p->id)) - supported_macs[i++]=p->id; - ); - supported_macs[i++]=0; - } + GNUTLS_HASH_LOOP( + if (p->placeholder != 0 || _gnutls_mac_exists(p->id)) + supported_macs[i++] = p->id; + ); + supported_macs[i++] = 0; + } - return supported_macs; + return supported_macs; } /** @@ -246,39 +240,39 @@ static gnutls_mac_algorithm_t supported_macs[MAX_ALGOS] = { 0 }; * Returns: Return a (0)-terminated list of #gnutls_digest_algorithm_t * integers indicating the available digests. **/ -const gnutls_digest_algorithm_t * -gnutls_digest_list (void) +const gnutls_digest_algorithm_t *gnutls_digest_list(void) { -static gnutls_digest_algorithm_t supported_digests[MAX_ALGOS] = { 0 }; - - if (supported_digests[0] == 0) - { - int i = 0; - - GNUTLS_HASH_LOOP ( - if (p->oid != NULL && (p->placeholder != 0 || _gnutls_mac_exists(p->id))) - supported_digests[i++]=p->id; - ); - supported_digests[i++]=0; - } - - return supported_digests; + static gnutls_digest_algorithm_t supported_digests[MAX_ALGOS] = + { 0 }; + + if (supported_digests[0] == 0) { + int i = 0; + + GNUTLS_HASH_LOOP( + if (p->oid != NULL && (p->placeholder != 0 || + _gnutls_mac_exists(p->id))) { + + supported_digests[i++] = p->id; + } + ); + supported_digests[i++] = 0; + } + + return supported_digests; } -gnutls_digest_algorithm_t -_gnutls_x509_oid_to_digest (const char *oid) +gnutls_digest_algorithm_t _gnutls_x509_oid_to_digest(const char *oid) { - gnutls_digest_algorithm_t ret = 0; - - GNUTLS_HASH_LOOP (if (p->oid && strcmp (oid, p->oid) == 0) - { - ret = (gnutls_digest_algorithm_t)p->id; - break; - } - ); - - if (ret == 0) - return GNUTLS_DIG_UNKNOWN; - return ret; + gnutls_digest_algorithm_t ret = 0; + + GNUTLS_HASH_LOOP( + if (p->oid && strcmp(oid, p->oid) == 0) { + ret = (gnutls_digest_algorithm_t) p->id; + break; + } + ); + + if (ret == 0) + return GNUTLS_DIG_UNKNOWN; + return ret; } - |