mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 20:47:44 +00:00
331 lines
11 KiB
C++
331 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim:set ts=2 sw=2 sts=2 et cindent: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef mozilla_dom_WebCryptoCommon_h
|
|
#define mozilla_dom_WebCryptoCommon_h
|
|
|
|
#include "pk11pub.h"
|
|
#include "nsString.h"
|
|
#include "nsContentUtils.h"
|
|
#include "mozilla/dom/CryptoBuffer.h"
|
|
#include "js/StructuredClone.h"
|
|
|
|
// WebCrypto algorithm names
|
|
#define WEBCRYPTO_ALG_AES_CBC "AES-CBC"
|
|
#define WEBCRYPTO_ALG_AES_CTR "AES-CTR"
|
|
#define WEBCRYPTO_ALG_AES_GCM "AES-GCM"
|
|
#define WEBCRYPTO_ALG_AES_KW "AES-KW"
|
|
#define WEBCRYPTO_ALG_SHA1 "SHA-1"
|
|
#define WEBCRYPTO_ALG_SHA256 "SHA-256"
|
|
#define WEBCRYPTO_ALG_SHA384 "SHA-384"
|
|
#define WEBCRYPTO_ALG_SHA512 "SHA-512"
|
|
#define WEBCRYPTO_ALG_HMAC "HMAC"
|
|
#define WEBCRYPTO_ALG_PBKDF2 "PBKDF2"
|
|
#define WEBCRYPTO_ALG_RSASSA_PKCS1 "RSASSA-PKCS1-v1_5"
|
|
#define WEBCRYPTO_ALG_RSA_OAEP "RSA-OAEP"
|
|
#define WEBCRYPTO_ALG_ECDH "ECDH"
|
|
#define WEBCRYPTO_ALG_ECDSA "ECDSA"
|
|
#define WEBCRYPTO_ALG_DH "DH"
|
|
|
|
// WebCrypto key formats
|
|
#define WEBCRYPTO_KEY_FORMAT_RAW "raw"
|
|
#define WEBCRYPTO_KEY_FORMAT_PKCS8 "pkcs8"
|
|
#define WEBCRYPTO_KEY_FORMAT_SPKI "spki"
|
|
#define WEBCRYPTO_KEY_FORMAT_JWK "jwk"
|
|
|
|
// WebCrypto key types
|
|
#define WEBCRYPTO_KEY_TYPE_PUBLIC "public"
|
|
#define WEBCRYPTO_KEY_TYPE_PRIVATE "private"
|
|
#define WEBCRYPTO_KEY_TYPE_SECRET "secret"
|
|
|
|
// WebCrypto key usages
|
|
#define WEBCRYPTO_KEY_USAGE_ENCRYPT "encrypt"
|
|
#define WEBCRYPTO_KEY_USAGE_DECRYPT "decrypt"
|
|
#define WEBCRYPTO_KEY_USAGE_SIGN "sign"
|
|
#define WEBCRYPTO_KEY_USAGE_VERIFY "verify"
|
|
#define WEBCRYPTO_KEY_USAGE_DERIVEKEY "deriveKey"
|
|
#define WEBCRYPTO_KEY_USAGE_DERIVEBITS "deriveBits"
|
|
#define WEBCRYPTO_KEY_USAGE_WRAPKEY "wrapKey"
|
|
#define WEBCRYPTO_KEY_USAGE_UNWRAPKEY "unwrapKey"
|
|
|
|
// WebCrypto named curves
|
|
#define WEBCRYPTO_NAMED_CURVE_P256 "P-256"
|
|
#define WEBCRYPTO_NAMED_CURVE_P384 "P-384"
|
|
#define WEBCRYPTO_NAMED_CURVE_P521 "P-521"
|
|
|
|
// JWK key types
|
|
#define JWK_TYPE_SYMMETRIC "oct"
|
|
#define JWK_TYPE_RSA "RSA"
|
|
#define JWK_TYPE_EC "EC"
|
|
|
|
// JWK algorithms
|
|
#define JWK_ALG_A128CBC "A128CBC" // CBC
|
|
#define JWK_ALG_A192CBC "A192CBC"
|
|
#define JWK_ALG_A256CBC "A256CBC"
|
|
#define JWK_ALG_A128CTR "A128CTR" // CTR
|
|
#define JWK_ALG_A192CTR "A192CTR"
|
|
#define JWK_ALG_A256CTR "A256CTR"
|
|
#define JWK_ALG_A128GCM "A128GCM" // GCM
|
|
#define JWK_ALG_A192GCM "A192GCM"
|
|
#define JWK_ALG_A256GCM "A256GCM"
|
|
#define JWK_ALG_A128KW "A128KW" // KW
|
|
#define JWK_ALG_A192KW "A192KW"
|
|
#define JWK_ALG_A256KW "A256KW"
|
|
#define JWK_ALG_HS1 "HS1" // HMAC
|
|
#define JWK_ALG_HS256 "HS256"
|
|
#define JWK_ALG_HS384 "HS384"
|
|
#define JWK_ALG_HS512 "HS512"
|
|
#define JWK_ALG_RS1 "RS1" // RSASSA-PKCS1
|
|
#define JWK_ALG_RS256 "RS256"
|
|
#define JWK_ALG_RS384 "RS384"
|
|
#define JWK_ALG_RS512 "RS512"
|
|
#define JWK_ALG_RSA_OAEP "RSA-OAEP" // RSA-OAEP
|
|
#define JWK_ALG_RSA_OAEP_256 "RSA-OAEP-256"
|
|
#define JWK_ALG_RSA_OAEP_384 "RSA-OAEP-384"
|
|
#define JWK_ALG_RSA_OAEP_512 "RSA-OAEP-512"
|
|
#define JWK_ALG_ECDSA_P_256 "ES256"
|
|
#define JWK_ALG_ECDSA_P_384 "ES384"
|
|
#define JWK_ALG_ECDSA_P_521 "ES521"
|
|
|
|
// JWK usages
|
|
#define JWK_USE_ENC "enc"
|
|
#define JWK_USE_SIG "sig"
|
|
|
|
// Define an unknown mechanism type
|
|
#define UNKNOWN_CK_MECHANISM CKM_VENDOR_DEFINED+1
|
|
|
|
// python security/pkix/tools/DottedOIDToCode.py id-ecDH 1.3.132.112
|
|
static const uint8_t id_ecDH[] = { 0x2b, 0x81, 0x04, 0x70 };
|
|
const SECItem SEC_OID_DATA_EC_DH = { siBuffer, (unsigned char*)id_ecDH,
|
|
PR_ARRAY_SIZE(id_ecDH) };
|
|
|
|
// python security/pkix/tools/DottedOIDToCode.py dhKeyAgreement 1.2.840.113549.1.3.1
|
|
static const uint8_t dhKeyAgreement[] = {
|
|
0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x03, 0x01
|
|
};
|
|
const SECItem SEC_OID_DATA_DH_KEY_AGREEMENT = { siBuffer,
|
|
(unsigned char*)dhKeyAgreement,
|
|
PR_ARRAY_SIZE(dhKeyAgreement) };
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
// Helper functions for structured cloning
|
|
inline bool
|
|
ReadString(JSStructuredCloneReader* aReader, nsString& aString)
|
|
{
|
|
bool read;
|
|
uint32_t nameLength, zero;
|
|
read = JS_ReadUint32Pair(aReader, &nameLength, &zero);
|
|
if (!read) {
|
|
return false;
|
|
}
|
|
|
|
aString.SetLength(nameLength);
|
|
size_t charSize = sizeof(nsString::char_type);
|
|
read = JS_ReadBytes(aReader, (void*) aString.BeginWriting(), nameLength * charSize);
|
|
if (!read) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
inline bool
|
|
WriteString(JSStructuredCloneWriter* aWriter, const nsString& aString)
|
|
{
|
|
size_t charSize = sizeof(nsString::char_type);
|
|
return JS_WriteUint32Pair(aWriter, aString.Length(), 0) &&
|
|
JS_WriteBytes(aWriter, aString.get(), aString.Length() * charSize);
|
|
}
|
|
|
|
inline bool
|
|
ReadBuffer(JSStructuredCloneReader* aReader, CryptoBuffer& aBuffer)
|
|
{
|
|
uint32_t length, zero;
|
|
bool ret = JS_ReadUint32Pair(aReader, &length, &zero);
|
|
if (!ret) {
|
|
return false;
|
|
}
|
|
|
|
if (length > 0) {
|
|
if (!aBuffer.SetLength(length)) {
|
|
return false;
|
|
}
|
|
ret = JS_ReadBytes(aReader, aBuffer.Elements(), aBuffer.Length());
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
inline bool
|
|
WriteBuffer(JSStructuredCloneWriter* aWriter, const CryptoBuffer& aBuffer)
|
|
{
|
|
bool ret = JS_WriteUint32Pair(aWriter, aBuffer.Length(), 0);
|
|
if (ret && aBuffer.Length() > 0) {
|
|
ret = JS_WriteBytes(aWriter, aBuffer.Elements(), aBuffer.Length());
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
inline CK_MECHANISM_TYPE
|
|
MapAlgorithmNameToMechanism(const nsString& aName)
|
|
{
|
|
CK_MECHANISM_TYPE mechanism(UNKNOWN_CK_MECHANISM);
|
|
|
|
// Set mechanism based on algorithm name
|
|
if (aName.EqualsLiteral(WEBCRYPTO_ALG_AES_CBC)) {
|
|
mechanism = CKM_AES_CBC_PAD;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_AES_CTR)) {
|
|
mechanism = CKM_AES_CTR;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_AES_GCM)) {
|
|
mechanism = CKM_AES_GCM;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_AES_KW)) {
|
|
mechanism = CKM_NSS_AES_KEY_WRAP;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_SHA1)) {
|
|
mechanism = CKM_SHA_1;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_SHA256)) {
|
|
mechanism = CKM_SHA256;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_SHA384)) {
|
|
mechanism = CKM_SHA384;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_SHA512)) {
|
|
mechanism = CKM_SHA512;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_PBKDF2)) {
|
|
mechanism = CKM_PKCS5_PBKD2;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_RSASSA_PKCS1)) {
|
|
mechanism = CKM_RSA_PKCS;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_RSA_OAEP)) {
|
|
mechanism = CKM_RSA_PKCS_OAEP;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_ECDH)) {
|
|
mechanism = CKM_ECDH1_DERIVE;
|
|
} else if (aName.EqualsLiteral(WEBCRYPTO_ALG_DH)) {
|
|
mechanism = CKM_DH_PKCS_DERIVE;
|
|
}
|
|
|
|
return mechanism;
|
|
}
|
|
|
|
#define NORMALIZED_EQUALS(aTest, aConst) \
|
|
nsContentUtils::EqualsIgnoreASCIICase(aTest, NS_LITERAL_STRING(aConst))
|
|
|
|
inline bool
|
|
NormalizeToken(const nsString& aName, nsString& aDest)
|
|
{
|
|
// Algorithm names
|
|
if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_AES_CBC)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_AES_CBC);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_AES_CTR)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_AES_CTR);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_AES_GCM)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_AES_GCM);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_AES_KW)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_AES_KW);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_SHA1)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_SHA1);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_SHA256)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_SHA256);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_SHA384)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_SHA384);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_SHA512)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_SHA512);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_HMAC)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_HMAC);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_PBKDF2)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_PBKDF2);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_RSASSA_PKCS1)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_RSASSA_PKCS1);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_RSA_OAEP)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_RSA_OAEP);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_ECDH)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_ECDH);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_ECDSA)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_ECDSA);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_ALG_DH)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_ALG_DH);
|
|
// Named curve values
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_NAMED_CURVE_P256)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_NAMED_CURVE_P256);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_NAMED_CURVE_P384)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_NAMED_CURVE_P384);
|
|
} else if (NORMALIZED_EQUALS(aName, WEBCRYPTO_NAMED_CURVE_P521)) {
|
|
aDest.AssignLiteral(WEBCRYPTO_NAMED_CURVE_P521);
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
inline bool
|
|
CheckEncodedECParameters(const SECItem* aEcParams)
|
|
{
|
|
// Need at least two bytes for a valid ASN.1 encoding.
|
|
if (aEcParams->len < 2) {
|
|
return false;
|
|
}
|
|
|
|
// Check the ASN.1 tag.
|
|
if (aEcParams->data[0] != SEC_ASN1_OBJECT_ID) {
|
|
return false;
|
|
}
|
|
|
|
// OID tags are short, we never need more than one length byte.
|
|
if (aEcParams->data[1] >= 128) {
|
|
return false;
|
|
}
|
|
|
|
// Check that the SECItem's length is correct.
|
|
if (aEcParams->len != (unsigned)aEcParams->data[1] + 2) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
inline SECItem*
|
|
CreateECParamsForCurve(const nsString& aNamedCurve, PLArenaPool* aArena)
|
|
{
|
|
SECOidTag curveOIDTag;
|
|
|
|
if (aNamedCurve.EqualsLiteral(WEBCRYPTO_NAMED_CURVE_P256)) {
|
|
curveOIDTag = SEC_OID_SECG_EC_SECP256R1;
|
|
} else if (aNamedCurve.EqualsLiteral(WEBCRYPTO_NAMED_CURVE_P384)) {
|
|
curveOIDTag = SEC_OID_SECG_EC_SECP384R1;
|
|
} else if (aNamedCurve.EqualsLiteral(WEBCRYPTO_NAMED_CURVE_P521)) {
|
|
curveOIDTag = SEC_OID_SECG_EC_SECP521R1;
|
|
} else {
|
|
return nullptr;
|
|
}
|
|
|
|
// Retrieve curve data by OID tag.
|
|
SECOidData* oidData = SECOID_FindOIDByTag(curveOIDTag);
|
|
if (!oidData) {
|
|
return nullptr;
|
|
}
|
|
|
|
// Create parameters.
|
|
SECItem* params = ::SECITEM_AllocItem(aArena, nullptr, 2 + oidData->oid.len);
|
|
if (!params) {
|
|
return nullptr;
|
|
}
|
|
|
|
// Set parameters.
|
|
params->data[0] = SEC_ASN1_OBJECT_ID;
|
|
params->data[1] = oidData->oid.len;
|
|
memcpy(params->data + 2, oidData->oid.data, oidData->oid.len);
|
|
|
|
// Sanity check the params we just created.
|
|
if (!CheckEncodedECParameters(params)) {
|
|
return nullptr;
|
|
}
|
|
|
|
return params;
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_dom_WebCryptoCommon_h
|