rsa_key.c File Reference

RSA Key parser/decoder.

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

#include "crypto_types.h"
#include "root_tls_cert/x509/x509_cert.h"
#include "root_tls_cert/pem.h"
#include "root_tls_cert/x509/asn1.h"
#include "crypto_api.h"

Enumerations
enum	RSAKeyParsing {   RSA_N,   RSA_E,   RSA_D,   RSA_P,   RSA_Q,   RSA_DP,   RSA_DQ,   RSA_QINV,   RSA_DONE }
	A state machine for parsing the RSA Private key. It is ordered with the same order of the RSA key elements occurance in the ASN.1 form. More...

Functions
sint8	CryptoDecodeRsaPrivKey (uint8 *pu8RsaKeyFile, uint32 u32KeySize, tstrASN1RSAPrivateKey *pstrRsaPrivKey)
static sint8	ParsePrivKey (uint8 *pu8PrivKey, uint16 u16KeySize, tstrASN1RSAPrivateKey *pstrKey)
static sint8	ParseRsaPrivKey (uint8 *pu8PrivKey, uint16 u16KeySize, tstrASN1RSAPrivateKey *pstrAsn1Key)

enum RSAKeyParsing

A state machine for parsing the RSA Private key. It is ordered with the same order of the RSA key elements occurance in the ASN.1 form.

Enumerator
RSA_N
RSA_E
RSA_D
RSA_P
RSA_Q
RSA_DP
RSA_DQ
RSA_QINV
RSA_DONE

sint8 CryptoDecodeRsaPrivKey	(	uint8 *	pu8RsaKeyFile,
		uint32	u32KeySize,
		tstrASN1RSAPrivateKey *	pstrRsaPrivKey
	)

References DecodeBase64File(), M2M_ERR_FAIL, M2M_SUCCESS, NULL, ParsePrivKey(), ParseRsaPrivKey(), PEM_PRIV_KEY, PEM_RSA_PRIV_KEY, and ret.

Referenced by WriteTlsServerKeyMaterial().

static sint8 ParsePrivKey ( uint8 *  pu8PrivKey, uint16  u16KeySize, tstrASN1RSAPrivateKey *  pstrKey  )

static

References ASN1_GetNextElement(), ASN1_OBJECT_IDENTIFIER, ASN1_Read(), ASN1_SEQUENCE, M2M_ERR_FAIL, NULL, ParseRsaPrivKey(), tstrAsn1Context::pstrTlsBuffer, tstrTlsBuffer::pu8Buff, ret, tstrTlsBuffer::u16BuffSz, tstrTlsBuffer::u16ReadOffset, tstrAsn1Element::u32Length, and tstrAsn1Element::u8Tag.

Referenced by CryptoDecodeRsaPrivKey().

static sint8 ParseRsaPrivKey ( uint8 *  pu8PrivKey, uint16  u16KeySize, tstrASN1RSAPrivateKey *  pstrAsn1Key  )

static

References ASN1_GetNextElement(), ASN1_Read(), ASN1_SEQUENCE, M2M_ERR, M2M_ERR_FAIL, M2M_SUCCESS, NULL, tstrAsn1Context::pstrTlsBuffer, tstrASN1RSAPrivateKey::pu8AllocPtr, tstrTlsBuffer::pu8Buff, tstrRsaPrivateKey::pu8d, tstrRsaPrivateKey::pu8dP, tstrRsaPrivateKey::pu8dQ, tstrRsaPrivateKey::pu8e, tstrRsaPrivateKey::pu8N, tstrRsaPrivateKey::pu8p, tstrRsaPrivateKey::pu8q, tstrRsaPrivateKey::pu8QInv, ret, RSA_D, RSA_DONE, RSA_DP, RSA_DQ, RSA_E, RSA_N, RSA_P, RSA_Q, RSA_QINV, tstrASN1RSAPrivateKey::strRsaPrivKey, tstrTlsBuffer::u16BuffSz, tstrRsaPrivateKey::u16dPSize, tstrRsaPrivateKey::u16dQSize, tstrRsaPrivateKey::u16dSize, tstrRsaPrivateKey::u16eSize, tstrASN1RSAPrivateKey::u16KeyBufSz, tstrRsaPrivateKey::u16NSize, tstrRsaPrivateKey::u16PSize, tstrRsaPrivateKey::u16QInvSize, tstrRsaPrivateKey::u16QSize, tstrTlsBuffer::u16ReadOffset, tstrAsn1Element::u32Length, tstrRsaPrivateKey::u32Version, tstrAsn1Element::u8Tag, and WORD_ALIGN.

Referenced by CryptoDecodeRsaPrivKey(), and ParsePrivKey().