pem.c File Reference

This module implements Base64 Decoder.

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

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "common/include/nm_common.h"
#include "pem.h"

Data Structures
struct	tstrPemDecInfo

Functions
sint8	Base64_Decode (uint8 *pu8EncData, uint32 u32EncLength, uint8 **ppu8DecData, uint32 *pu32DecLen)
static void	Base64_DecodeBlock (uint8 *pu8B64Data, uint8 *pu8BinData)
sint8	DecodeBase64File (uint8 *pu8B64File, uint32 u32FileSize, uint8 **ppu8Key, uint32 *pu32KeySize, tenuPEMEncType *penuPemType)
sint8	DecodeX509Certificate (uint8 *pu8X509File, uint32 u32X509FileSz, uint8 **ppu8X509Der, uint32 *pu32X509Size)

Variables
const tstrPemDecInfo	gastrPemTypes []
static const uint8	gpau8Ascii2B64 [128]

sint8 Base64_Decode	(	uint8 *	pu8EncData,
		uint32	u32EncLength,
		uint8 **	ppu8DecData,
		uint32 *	pu32DecLen
	)

References Base64_DecodeBlock(), and NULL.

Referenced by DecodeBase64File().

static void Base64_DecodeBlock ( uint8 *  pu8B64Data, uint8 *  pu8BinData  )

static

References gpau8Ascii2B64.

Referenced by Base64_Decode().

sint8 DecodeBase64File	(	uint8 *	pu8B64File,
		uint32	u32FileSize,
		uint8 **	ppu8Key,
		uint32 *	pu32KeySize,
		tenuPEMEncType *	penuPemType
	)

References tstrPemDecInfo::acBeginPhrase, tstrPemDecInfo::acEndPhrase, Base64_Decode(), tstrPemDecInfo::enuType, gastrPemTypes, M2M_ERR_FAIL, M2M_SUCCESS, NULL, and PEM_TYPE_NONE.

Referenced by CryptoDecodeRsaPrivKey(), and DecodeX509Certificate().

sint8 DecodeX509Certificate	(	uint8 *	pu8X509File,
		uint32	u32X509FileSz,
		uint8 **	ppu8X509Der,
		uint32 *	pu32X509Size
	)

References DecodeBase64File().

Referenced by GetRootCertificate(), and WriteTlsServerKeyMaterial().

const tstrPemDecInfo gastrPemTypes[]

Initial value:

= {
    {PEM_X509_CERT      , "-----BEGIN CERTIFICATE-----"     , "-----END CERTIFICATE-----"},
    {PEM_PRIV_KEY       , "-----BEGIN PRIVATE KEY-----"     , "-----END PRIVATE KEY-----"},
    {PEM_RSA_PRIV_KEY   , "-----BEGIN RSA PRIVATE KEY-----" , "-----END RSA PRIVATE KEY-----"}
}

Referenced by DecodeBase64File().

const uint8 gpau8Ascii2B64[128]

static

Initial value:

= {
    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,     
    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
    0xFF, 0xFF, 0xFF, 0x3E, 0xFF, 0xFF, 0xFF, 0x3F, 
    0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B,
    0x3C, 0x3D, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
    0xFF, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
    0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
    0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
    0x17, 0x18, 0x19, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
    0xFF, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
    0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
    0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30,
    0x31, 0x32, 0x33, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
}

Referenced by Base64_DecodeBlock().