diff options
Diffstat (limited to 'thirdparty/mbedtls/include/mbedtls/asn1.h')
| -rw-r--r-- | thirdparty/mbedtls/include/mbedtls/asn1.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/thirdparty/mbedtls/include/mbedtls/asn1.h b/thirdparty/mbedtls/include/mbedtls/asn1.h index fde328a12..96c1c9a8a 100644 --- a/thirdparty/mbedtls/include/mbedtls/asn1.h +++ b/thirdparty/mbedtls/include/mbedtls/asn1.h @@ -88,6 +88,21 @@ #define MBEDTLS_ASN1_PRIMITIVE 0x00 #define MBEDTLS_ASN1_CONSTRUCTED 0x20 #define MBEDTLS_ASN1_CONTEXT_SPECIFIC 0x80 + +/* + * Bit masks for each of the components of an ASN.1 tag as specified in + * ITU X.690 (08/2015), section 8.1 "General rules for encoding", + * paragraph 8.1.2.2: + * + * Bit 8 7 6 5 1 + * +-------+-----+------------+ + * | Class | P/C | Tag number | + * +-------+-----+------------+ + */ +#define MBEDTLS_ASN1_TAG_CLASS_MASK 0xC0 +#define MBEDTLS_ASN1_TAG_PC_MASK 0x20 +#define MBEDTLS_ASN1_TAG_VALUE_MASK 0x1F + /* \} name */ /* \} addtogroup asn1_module */ |