asn1.h File Reference

Header file for ASN.1 Decoder for Distinguished Encoding Rules DER.

Copyright (c) 2017-2018 Microchip Technology Inc. and its subsidiaries.

#include "root_tls_cert/crypto/crypto_types.h"
#include "root_tls_cert/crypto/tls_buffer_manager.h"

Data Structures
struct	tstrAsn1Context
struct	tstrAsn1Element

Macros
#define	ASN1_BIT_STRING   0x03
#define	ASN1_BOOLEAN   0x01
#define	ASN1_FAIL   -1
#define	ASN1_GENERALIZED_TIME   0x18
#define	ASN1_INTEGER   0x02
#define	ASN1_INVALID   0x00
#define	ASN1_NULL   0x05
#define	ASN1_OBJECT_IDENTIFIER   0x06
#define	ASN1_OCTET_STRING   0x04
#define	ASN1_PRINTABLE_STRING   0x13
#define	ASN1_SEQUENCE   0x30
#define	ASN1_SET   0x31
#define	ASN1_SUCCESS   0
#define	ASN1_TELETEX_STRING   0x14
#define	ASN1_UTC_TIME   0x17
#define	ASN1_UTF8_DTRING   0x0C

Functions
uint16	ASN1_GetNextElement (tstrAsn1Context *pstrAsn1Ctxt, tstrAsn1Element *pstrElement)
uint16	ASN1_Read (tstrAsn1Context *pstrAsn1Cxt, uint32 u32ReadLength, uint8 *pu8ReadBuffer)

#define ASN1_BIT_STRING   0x03

Referenced by Cert_DecodeECCPubKey(), Cert_DecodeRSAPubKey(), and Cert_DecodeSignature().

#define ASN1_BOOLEAN   0x01

#define ASN1_FAIL   -1

Referenced by Cert_DecodeDistinguishedName().

#define ASN1_GENERALIZED_TIME   0x18

#define ASN1_INTEGER   0x02

Referenced by Cert_DecodeRSAPubKey(), and X509_DecodeEcdsaSignature().

#define ASN1_INVALID   0x00

Referenced by Cert_DecodeValidity().

#define ASN1_NULL   0x05

Referenced by ASN1_GetNextElement(), Cert_DecodeECCPubKey(), and Cert_DecodeRSAPubKey().

#define ASN1_OBJECT_IDENTIFIER   0x06

Referenced by Cert_DecodeAlgID(), Cert_DecodeDistinguishedName(), Cert_DecodeECCPubKey(), and ParsePrivKey().

#define ASN1_OCTET_STRING   0x04

#define ASN1_PRINTABLE_STRING   0x13

#define ASN1_SEQUENCE   0x30

Referenced by Cert_DecodeECCPubKey(), Cert_DecodeRSAPubKey(), Cert_DecodeSubjectPubKey(), Cert_DecodeX520Name(), ParsePrivKey(), ParseRsaPrivKey(), X509_DecodeEcdsaSignature(), and X509Cert_Decode().

#define ASN1_SET   0x31

Referenced by Cert_DecodeX520Name().

#define ASN1_SUCCESS   0

#define ASN1_TELETEX_STRING   0x14

#define ASN1_UTC_TIME   0x17

#define ASN1_UTF8_DTRING   0x0C

uint16 ASN1_GetNextElement	(	tstrAsn1Context *	pstrAsn1Ctxt,
		tstrAsn1Element *	pstrElement
	)

References ASN1_NULL, BIT7, NULL, tstrAsn1Context::pstrTlsBuffer, TLS_BufferRead(), tstrAsn1Element::u32Length, and tstrAsn1Element::u8Tag.

Referenced by Cert_DecodeAlgID(), Cert_DecodeDistinguishedName(), Cert_DecodeECCPubKey(), Cert_DecodeRSAPubKey(), Cert_DecodeSignature(), Cert_DecodeSubjectPubKey(), Cert_DecodeTBSCertificate(), Cert_DecodeValidity(), Cert_DecodeX520Name(), ParsePrivKey(), ParseRsaPrivKey(), X509_DecodeEcdsaSignature(), and X509Cert_Decode().

uint16 ASN1_Read	(	tstrAsn1Context *	pstrAsn1Cxt,
		uint32	u32ReadLength,
		uint8 *	pu8ReadBuffer
	)

References NULL, tstrAsn1Context::pstrTlsBuffer, and TLS_BufferRead().

Referenced by Cert_DecodeAlgID(), Cert_DecodeDistinguishedName(), Cert_DecodeECCPubKey(), Cert_DecodeRSAPubKey(), Cert_DecodeSignature(), Cert_DecodeTBSCertificate(), Cert_DecodeValidity(), ParsePrivKey(), ParseRsaPrivKey(), and X509_DecodeEcdsaSignature().