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Diffstat (limited to '')
| -rw-r--r-- | security/nss/lib/softoken/sftkike.c | 1419 |
1 files changed, 1419 insertions, 0 deletions
diff --git a/security/nss/lib/softoken/sftkike.c b/security/nss/lib/softoken/sftkike.c new file mode 100644 index 0000000000..6756040b64 --- /dev/null +++ b/security/nss/lib/softoken/sftkike.c @@ -0,0 +1,1419 @@ +/* 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/. */ +/* + * This file implements PKCS 11 on top of our existing security modules + * + * For more information about PKCS 11 See PKCS 11 Token Inteface Standard. + * This implementation has two slots: + * slot 1 is our generic crypto support. It does not require login. + * It supports Public Key ops, and all they bulk ciphers and hashes. + * It can also support Private Key ops for imported Private keys. It does + * not have any token storage. + * slot 2 is our private key support. It requires a login before use. It + * can store Private Keys and Certs as token objects. Currently only private + * keys and their associated Certificates are saved on the token. + * + * In this implementation, session objects are only visible to the session + * that created or generated them. + */ +#include "seccomon.h" +#include "secitem.h" +#include "secport.h" +#include "blapi.h" +#include "pkcs11.h" +#include "pkcs11i.h" +#include "pkcs1sig.h" +#include "lowkeyi.h" +#include "secder.h" +#include "secdig.h" +#include "lowpbe.h" /* We do PBE below */ +#include "pkcs11t.h" +#include "secoid.h" +#include "alghmac.h" +#include "softoken.h" +#include "secasn1.h" +#include "secerr.h" + +#include "prprf.h" +#include "prenv.h" + +/* + * A common prfContext to handle both hmac and aes xcbc + * hash contexts have non-null hashObj and hmac, aes + * contexts have non-null aes */ +typedef struct prfContextStr { + HASH_HashType hashType; + const SECHashObject *hashObj; + HMACContext *hmac; + AESContext *aes; + unsigned int nextChar; + unsigned char padBuf[AES_BLOCK_SIZE]; + unsigned char macBuf[AES_BLOCK_SIZE]; + unsigned char k1[AES_BLOCK_SIZE]; + unsigned char k2[AES_BLOCK_SIZE]; + unsigned char k3[AES_BLOCK_SIZE]; +} prfContext; + +/* iv full of zeros used in several places in aes xcbc */ +static const unsigned char iv_zero[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +/* + * Generate AES XCBC keys from the AES MAC key. + * k1 is used in the actual mac. + * k2 and k3 are used in the final pad step. + */ +static CK_RV +sftk_aes_xcbc_get_keys(const unsigned char *keyValue, unsigned int keyLen, + unsigned char *k1, unsigned char *k2, unsigned char *k3) +{ + SECStatus rv; + CK_RV crv; + unsigned int tmpLen; + AESContext *aes_context = NULL; + unsigned char newKey[AES_BLOCK_SIZE]; + + /* AES XCBC keys. k1, k2, and k3 are derived by encrypting + * k1data, k2data, and k3data with the mac key. + */ + static const unsigned char k1data[] = { + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 + }; + static const unsigned char k2data[] = { + 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, + 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02 + }; + static const unsigned char k3data[] = { + 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, + 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03 + }; + + /* k1_0 = aes_ecb(0, k1data) */ + static const unsigned char k1_0[] = { + 0xe1, 0x4d, 0x5d, 0x0e, 0xe2, 0x77, 0x15, 0xdf, + 0x08, 0xb4, 0x15, 0x2b, 0xa2, 0x3d, 0xa8, 0xe0 + + }; + /* k2_0 = aes_ecb(0, k2data) */ + static const unsigned char k2_0[] = { + 0x5e, 0xba, 0x73, 0xf8, 0x91, 0x42, 0xc5, 0x48, + 0x80, 0xf6, 0x85, 0x94, 0x37, 0x3c, 0x5c, 0x37 + }; + /* k3_0 = aes_ecb(0, k3data) */ + static const unsigned char k3_0[] = { + 0x8d, 0x34, 0xef, 0xcb, 0x3b, 0xd5, 0x45, 0xca, + 0x06, 0x2a, 0xec, 0xdf, 0xef, 0x7c, 0x0b, 0xfa + }; + + /* first make sure out input key is the correct length + * rfc 4434. If key is shorter, pad with zeros to the + * the right. If key is longer newKey = aes_xcbc(0, key, keyLen). + */ + if (keyLen < AES_BLOCK_SIZE) { + PORT_Memcpy(newKey, keyValue, keyLen); + PORT_Memset(&newKey[keyLen], 0, AES_BLOCK_SIZE - keyLen); + keyValue = newKey; + } else if (keyLen > AES_BLOCK_SIZE) { + /* calculate our new key = aes_xcbc(0, key, keyLen). Because the + * key above is fixed (0), we can precalculate k1, k2, and k3. + * if this code ever needs to be more generic (support any xcbc + * function rather than just aes, we would probably want to just + * recurse here using our prf functions. This would be safe because + * the recurse case would have keyLen == blocksize and thus skip + * this conditional. + */ + aes_context = AES_CreateContext(k1_0, iv_zero, NSS_AES_CBC, + PR_TRUE, AES_BLOCK_SIZE, AES_BLOCK_SIZE); + /* we know the following loop will execute at least once */ + while (keyLen > AES_BLOCK_SIZE) { + rv = AES_Encrypt(aes_context, newKey, &tmpLen, AES_BLOCK_SIZE, + keyValue, AES_BLOCK_SIZE); + if (rv != SECSuccess) { + goto fail; + } + keyValue += AES_BLOCK_SIZE; + keyLen -= AES_BLOCK_SIZE; + } + PORT_Memcpy(newKey, keyValue, keyLen); + sftk_xcbc_mac_pad(newKey, keyLen, AES_BLOCK_SIZE, k2_0, k3_0); + rv = AES_Encrypt(aes_context, newKey, &tmpLen, AES_BLOCK_SIZE, + newKey, AES_BLOCK_SIZE); + if (rv != SECSuccess) { + goto fail; + } + keyValue = newKey; + AES_DestroyContext(aes_context, PR_TRUE); + } + /* the length of the key in keyValue is known to be AES_BLOCK_SIZE, + * either because it was on input, or it was shorter and extended, or + * because it was mac'd down using aes_xcbc_prf. + */ + aes_context = AES_CreateContext(keyValue, iv_zero, + NSS_AES, PR_TRUE, AES_BLOCK_SIZE, AES_BLOCK_SIZE); + if (aes_context == NULL) { + goto fail; + } + rv = AES_Encrypt(aes_context, k1, &tmpLen, AES_BLOCK_SIZE, + k1data, sizeof(k1data)); + if (rv != SECSuccess) { + goto fail; + } + rv = AES_Encrypt(aes_context, k2, &tmpLen, AES_BLOCK_SIZE, + k2data, sizeof(k2data)); + if (rv != SECSuccess) { + goto fail; + } + rv = AES_Encrypt(aes_context, k3, &tmpLen, AES_BLOCK_SIZE, + k3data, sizeof(k3data)); + if (rv != SECSuccess) { + goto fail; + } + AES_DestroyContext(aes_context, PR_TRUE); + PORT_Memset(newKey, 0, AES_BLOCK_SIZE); + return CKR_OK; +fail: + crv = sftk_MapCryptError(PORT_GetError()); + if (aes_context) { + AES_DestroyContext(aes_context, PR_TRUE); + } + PORT_Memset(k1, 0, AES_BLOCK_SIZE); + PORT_Memset(k2, 0, AES_BLOCK_SIZE); + PORT_Memset(k3, 0, AES_BLOCK_SIZE); + PORT_Memset(newKey, 0, AES_BLOCK_SIZE); + return crv; +} + +/* encode the final pad block of aes xcbc, padBuf is modified */ +CK_RV +sftk_xcbc_mac_pad(unsigned char *padBuf, unsigned int bufLen, + unsigned int blockSize, const unsigned char *k2, + const unsigned char *k3) +{ + unsigned int i; + if (bufLen == blockSize) { + for (i = 0; i < blockSize; i++) { + padBuf[i] ^= k2[i]; + } + } else { + padBuf[bufLen++] = 0x80; + for (i = bufLen; i < blockSize; i++) { + padBuf[i] = 0x00; + } + for (i = 0; i < blockSize; i++) { + padBuf[i] ^= k3[i]; + } + } + return CKR_OK; +} + +/* Map the mechanism to the underlying hash. If the type is not a hash + * or HMAC, return HASH_AlgNULL. This can happen legitimately if + * we are doing AES XCBC */ +static HASH_HashType +sftk_map_hmac_to_hash(CK_MECHANISM_TYPE type) +{ + switch (type) { + case CKM_SHA_1_HMAC: + case CKM_SHA_1: + return HASH_AlgSHA1; + case CKM_MD5_HMAC: + case CKM_MD5: + return HASH_AlgMD5; + case CKM_MD2_HMAC: + case CKM_MD2: + return HASH_AlgMD2; + case CKM_SHA224_HMAC: + case CKM_SHA224: + return HASH_AlgSHA224; + case CKM_SHA256_HMAC: + case CKM_SHA256: + return HASH_AlgSHA256; + case CKM_SHA384_HMAC: + case CKM_SHA384: + return HASH_AlgSHA384; + case CKM_SHA512_HMAC: + case CKM_SHA512: + return HASH_AlgSHA512; + } + return HASH_AlgNULL; +} + +/* + * Generally setup the context based on the mechanism. + * If the mech is HMAC, context->hashObj should be set + * Otherwise it is assumed to be AES XCBC. prf_setup + * checks these assumptions and will return an error + * if they are not met. NOTE: this function does not allocate + * anything, so there is no requirement to free context after + * prf_setup like there is if you call prf_init. + */ +static CK_RV +prf_setup(prfContext *context, CK_MECHANISM_TYPE mech) +{ + context->hashType = sftk_map_hmac_to_hash(mech); + context->hashObj = NULL; + context->hmac = NULL; + context->aes = NULL; + if (context->hashType != HASH_AlgNULL) { + context->hashObj = HASH_GetRawHashObject(context->hashType); + if (context->hashObj == NULL) { + return CKR_GENERAL_ERROR; + } + return CKR_OK; + } else if (mech == CKM_AES_XCBC_MAC) { + return CKR_OK; + } + return CKR_MECHANISM_PARAM_INVALID; +} + +/* return the underlying prf length for this context. This will + * function once the context is setup */ +static CK_RV +prf_length(prfContext *context) +{ + if (context->hashObj) { + return context->hashObj->length; + } + return AES_BLOCK_SIZE; /* AES */ +} + +/* set up the key for the prf. prf_update or prf_final should not be called if + * prf_init has not been called first. Once prf_init returns hmac and + * aes contexts should set and valid. + */ +static CK_RV +prf_init(prfContext *context, const unsigned char *keyValue, + unsigned int keyLen) +{ + CK_RV crv; + + context->hmac = NULL; + if (context->hashObj) { + context->hmac = HMAC_Create(context->hashObj, + keyValue, keyLen, PR_FALSE); + if (context->hmac == NULL) { + return sftk_MapCryptError(PORT_GetError()); + } + HMAC_Begin(context->hmac); + } else { + crv = sftk_aes_xcbc_get_keys(keyValue, keyLen, context->k1, + context->k2, context->k3); + if (crv != CKR_OK) + return crv; + context->nextChar = 0; + context->aes = AES_CreateContext(context->k1, iv_zero, NSS_AES_CBC, + PR_TRUE, sizeof(context->k1), AES_BLOCK_SIZE); + if (context->aes == NULL) { + crv = sftk_MapCryptError(PORT_GetError()); + PORT_Memset(context->k1, 0, sizeof(context->k1)); + PORT_Memset(context->k2, 0, sizeof(context->k2)); + PORT_Memset(context->k3, 0, sizeof(context->k2)); + return crv; + } + } + return CKR_OK; +} + +/* + * process input to the prf + */ +static CK_RV +prf_update(prfContext *context, const unsigned char *buf, unsigned int len) +{ + unsigned int tmpLen; + SECStatus rv; + + if (context->hmac) { + HMAC_Update(context->hmac, buf, len); + } else { + /* AES MAC XCBC*/ + /* We must keep the last block back so that it can be processed in + * final. This is why we only check that nextChar + len > blocksize, + * rather than checking that nextChar + len >= blocksize */ + while (context->nextChar + len > AES_BLOCK_SIZE) { + if (context->nextChar != 0) { + /* first handle fill in any partial blocks in the buffer */ + unsigned int left = AES_BLOCK_SIZE - context->nextChar; + /* note: left can be zero */ + PORT_Memcpy(context->padBuf + context->nextChar, buf, left); + /* NOTE: AES MAC XCBC xors the data with the previous block + * We don't do that step here because our AES_Encrypt mode + * is CBC, which does the xor automatically */ + rv = AES_Encrypt(context->aes, context->macBuf, &tmpLen, + sizeof(context->macBuf), context->padBuf, + sizeof(context->padBuf)); + if (rv != SECSuccess) { + return sftk_MapCryptError(PORT_GetError()); + } + context->nextChar = 0; + len -= left; + buf += left; + } else { + /* optimization. if we have complete blocks to write out + * (and will still have leftover blocks for padbuf in the end). + * we can mac directly out of our buffer without first copying + * them to padBuf */ + rv = AES_Encrypt(context->aes, context->macBuf, &tmpLen, + sizeof(context->macBuf), buf, AES_BLOCK_SIZE); + if (rv != SECSuccess) { + return sftk_MapCryptError(PORT_GetError()); + } + len -= AES_BLOCK_SIZE; + buf += AES_BLOCK_SIZE; + } + } + PORT_Memcpy(context->padBuf + context->nextChar, buf, len); + context->nextChar += len; + } + return CKR_OK; +} + +/* + * free the data associated with the prf. Clear any possible CSPs + * This can safely be called on any context after prf_setup. It can + * also be called an an already freed context. + * A free context can be reused by calling prf_init again without + * the need to call prf_setup. + */ +static void +prf_free(prfContext *context) +{ + if (context->hmac) { + HMAC_Destroy(context->hmac, PR_TRUE); + context->hmac = NULL; + } + if (context->aes) { + PORT_Memset(context->k1, 0, sizeof(context->k1)); + PORT_Memset(context->k2, 0, sizeof(context->k2)); + PORT_Memset(context->k3, 0, sizeof(context->k2)); + PORT_Memset(context->padBuf, 0, sizeof(context->padBuf)); + PORT_Memset(context->macBuf, 0, sizeof(context->macBuf)); + AES_DestroyContext(context->aes, PR_TRUE); + context->aes = NULL; + } +} + +/* + * extract the final prf value. On success, this has the side effect of + * also freeing the context data and clearing the keys + */ +static CK_RV +prf_final(prfContext *context, unsigned char *buf, unsigned int len) +{ + unsigned int tmpLen; + SECStatus rv; + + if (context->hmac) { + unsigned int outLen; + HMAC_Finish(context->hmac, buf, &outLen, len); + if (outLen != len) { + return CKR_GENERAL_ERROR; + } + } else { + /* prf_update had guarrenteed that the last full block is still in + * the padBuf if the input data is a multiple of the blocksize. This + * allows sftk_xcbc_mac_pad to process that pad buf accordingly */ + CK_RV crv = sftk_xcbc_mac_pad(context->padBuf, context->nextChar, + AES_BLOCK_SIZE, context->k2, context->k3); + if (crv != CKR_OK) { + return crv; + } + rv = AES_Encrypt(context->aes, context->macBuf, &tmpLen, + sizeof(context->macBuf), context->padBuf, AES_BLOCK_SIZE); + if (rv != SECSuccess) { + return sftk_MapCryptError(PORT_GetError()); + } + PORT_Memcpy(buf, context->macBuf, len); + } + prf_free(context); + return CKR_OK; +} + +/* + * There are four flavors of ike prf functions here. + * ike_prf is used in both ikeV1 and ikeV2 to generate + * an initial key that all the other keys are generated with. + * + * These functions are called from NSC_DeriveKey with the inKey value + * already looked up, and it expects the CKA_VALUE for outKey to be set. + * + * Depending on usage it returns either: + * 1. prf(Ni|Nr, inKey); (bDataAsKey=TRUE, bRekey=FALSE) + * 2. prf(inKey, Ni|Nr); (bDataAsKkey=FALSE, bRekey=FALSE) + * 3. prf(inKey, newKey | Ni | Nr); (bDataAsKey=FALSE, bRekey=TRUE) + * The resulting output key is always the length of the underlying prf + * (as returned by prf_length()). + * The combination of bDataAsKey=TRUE and bRekey=TRUE is not allowed + * + * Case 1 is used in + * a. ikev2 (rfc5996) inKey is called g^ir, the output is called SKEYSEED + * b. ikev1 (rfc2409) inKey is called g^ir, the output is called SKEYID + * Case 2 is used in ikev1 (rfc2409) inkey is called pre-shared-key, output + * is called SKEYID + * Case 3 is used in ikev2 (rfc5996) rekey case, inKey is SK_d, newKey is + * g^ir (new), the output is called SKEYSEED + */ +CK_RV +sftk_ike_prf(CK_SESSION_HANDLE hSession, const SFTKAttribute *inKey, + const CK_NSS_IKE_PRF_DERIVE_PARAMS *params, SFTKObject *outKey) +{ + SFTKAttribute *newKeyValue = NULL; + SFTKObject *newKeyObj = NULL; + unsigned char outKeyData[HASH_LENGTH_MAX]; + unsigned char *newInKey = NULL; + unsigned int newInKeySize = 0; + unsigned int macSize; + CK_RV crv = CKR_OK; + prfContext context; + + crv = prf_setup(&context, params->prfMechanism); + if (crv != CKR_OK) { + return crv; + } + macSize = prf_length(&context); + if ((params->bDataAsKey) && (params->bRekey)) { + return CKR_ARGUMENTS_BAD; + } + if (params->bRekey) { + /* lookup the value of new key from the session and key handle */ + SFTKSession *session = sftk_SessionFromHandle(hSession); + if (session == NULL) { + return CKR_SESSION_HANDLE_INVALID; + } + newKeyObj = sftk_ObjectFromHandle(params->hNewKey, session); + sftk_FreeSession(session); + if (newKeyObj == NULL) { + return CKR_KEY_HANDLE_INVALID; + } + newKeyValue = sftk_FindAttribute(newKeyObj, CKA_VALUE); + if (newKeyValue == NULL) { + crv = CKR_KEY_HANDLE_INVALID; + goto fail; + } + } + if (params->bDataAsKey) { + /* The key is Ni || Np, so we need to concatenate them together first */ + newInKeySize = params->ulNiLen + params->ulNrLen; + newInKey = PORT_Alloc(newInKeySize); + if (newInKey == NULL) { + crv = CKR_HOST_MEMORY; + goto fail; + } + PORT_Memcpy(newInKey, params->pNi, params->ulNiLen); + PORT_Memcpy(newInKey + params->ulNiLen, params->pNr, params->ulNrLen); + crv = prf_init(&context, newInKey, newInKeySize); + if (crv != CKR_OK) { + goto fail; + } + /* key as the data */ + crv = prf_update(&context, inKey->attrib.pValue, + inKey->attrib.ulValueLen); + if (crv != CKR_OK) { + goto fail; + } + } else { + crv = prf_init(&context, inKey->attrib.pValue, + inKey->attrib.ulValueLen); + if (crv != CKR_OK) { + goto fail; + } + if (newKeyValue) { + crv = prf_update(&context, newKeyValue->attrib.pValue, + newKeyValue->attrib.ulValueLen); + if (crv != CKR_OK) { + goto fail; + } + } + crv = prf_update(&context, params->pNi, params->ulNiLen); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_update(&context, params->pNr, params->ulNrLen); + if (crv != CKR_OK) { + goto fail; + } + } + crv = prf_final(&context, outKeyData, macSize); + if (crv != CKR_OK) { + goto fail; + } + + crv = sftk_forceAttribute(outKey, CKA_VALUE, outKeyData, macSize); +fail: + if (newInKey) { + PORT_ZFree(newInKey, newInKeySize); + } + if (newKeyValue) { + sftk_FreeAttribute(newKeyValue); + } + if (newKeyObj) { + sftk_FreeObject(newKeyObj); + } + PORT_Memset(outKeyData, 0, macSize); + prf_free(&context); + return crv; +} + +/* + * The second flavor of ike prf is ike1_prf. + * + * It is used by ikeV1 to generate the various session keys used in the + * connection. It uses the initial key, an optional previous key, and a one byte + * key number to generate a unique key for each of the various session + * functions (encryption, decryption, mac). These keys expect a key size + * (as they may vary in length based on usage). If no length is provided, + * it will default to the length of the prf. + * + * This function returns either: + * prf(inKey, gxyKey || CKYi || CKYr || key_number) + * or + * prf(inKey, prevkey || gxyKey || CKYi || CKYr || key_number) + * depending on the stats of bHasPrevKey + * + * This is defined in rfc2409. For each of the following keys. + * inKey is SKEYID, gxyKey is g^xy + * for outKey = SKEYID_d, bHasPrevKey = false, key_number = 0 + * for outKey = SKEYID_a, prevKey= SKEYID_d, key_number = 1 + * for outKey = SKEYID_e, prevKey= SKEYID_a, key_number = 2 + */ +CK_RV +sftk_ike1_prf(CK_SESSION_HANDLE hSession, const SFTKAttribute *inKey, + const CK_NSS_IKE1_PRF_DERIVE_PARAMS *params, SFTKObject *outKey, + unsigned int keySize) +{ + SFTKAttribute *gxyKeyValue = NULL; + SFTKObject *gxyKeyObj = NULL; + SFTKAttribute *prevKeyValue = NULL; + SFTKObject *prevKeyObj = NULL; + SFTKSession *session; + unsigned char outKeyData[HASH_LENGTH_MAX]; + unsigned int macSize; + CK_RV crv; + prfContext context; + + crv = prf_setup(&context, params->prfMechanism); + if (crv != CKR_OK) { + return crv; + } + macSize = prf_length(&context); + if (keySize > macSize) { + return CKR_KEY_SIZE_RANGE; + } + if (keySize == 0) { + keySize = macSize; + } + + /* lookup the two keys from their passed in handles */ + session = sftk_SessionFromHandle(hSession); + if (session == NULL) { + return CKR_SESSION_HANDLE_INVALID; + } + gxyKeyObj = sftk_ObjectFromHandle(params->hKeygxy, session); + if (params->bHasPrevKey) { + prevKeyObj = sftk_ObjectFromHandle(params->hPrevKey, session); + } + sftk_FreeSession(session); + if ((gxyKeyObj == NULL) || ((params->bHasPrevKey) && + (prevKeyObj == NULL))) { + crv = CKR_KEY_HANDLE_INVALID; + goto fail; + } + gxyKeyValue = sftk_FindAttribute(gxyKeyObj, CKA_VALUE); + if (gxyKeyValue == NULL) { + crv = CKR_KEY_HANDLE_INVALID; + goto fail; + } + if (prevKeyObj) { + prevKeyValue = sftk_FindAttribute(prevKeyObj, CKA_VALUE); + if (prevKeyValue == NULL) { + crv = CKR_KEY_HANDLE_INVALID; + goto fail; + } + } + + /* outKey = prf(inKey, [prevKey|] gxyKey | CKYi | CKYr | keyNumber) */ + crv = prf_init(&context, inKey->attrib.pValue, inKey->attrib.ulValueLen); + if (crv != CKR_OK) { + goto fail; + } + if (prevKeyValue) { + crv = prf_update(&context, prevKeyValue->attrib.pValue, + prevKeyValue->attrib.ulValueLen); + if (crv != CKR_OK) { + goto fail; + } + } + crv = prf_update(&context, gxyKeyValue->attrib.pValue, + gxyKeyValue->attrib.ulValueLen); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_update(&context, params->pCKYi, params->ulCKYiLen); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_update(&context, params->pCKYr, params->ulCKYrLen); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_update(&context, ¶ms->keyNumber, 1); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_final(&context, outKeyData, macSize); + if (crv != CKR_OK) { + goto fail; + } + + crv = sftk_forceAttribute(outKey, CKA_VALUE, outKeyData, keySize); +fail: + if (gxyKeyValue) { + sftk_FreeAttribute(gxyKeyValue); + } + if (prevKeyValue) { + sftk_FreeAttribute(prevKeyValue); + } + if (gxyKeyObj) { + sftk_FreeObject(gxyKeyObj); + } + if (prevKeyObj) { + sftk_FreeObject(prevKeyObj); + } + PORT_Memset(outKeyData, 0, macSize); + prf_free(&context); + return crv; +} + +/* + * The third flavor of ike prf is ike1_appendix_b. + * + * It is used by ikeV1 to generate longer key material from skeyid_e. + * Unlike ike1_prf, if no length is provided, this function + * will generate a KEY_RANGE_ERROR. + * + * This function returns (from rfc2409 appendix b): + * Ka = K1 | K2 | K3 | K4 |... Kn + * where: + * K1 = prf(K, [gxyKey]|[extraData]) or prf(K, 0) if gxyKey and extraData + * ar not present. + * K2 = prf(K, K1|[gxyKey]|[extraData]) + * K3 = prf(K, K2|[gxyKey]|[extraData]) + * K4 = prf(K, K3|[gxyKey]|[extraData]) + * . + * Kn = prf(K, K(n-1)|[gxyKey]|[extraData]) + * K = inKey + */ +CK_RV +sftk_ike1_appendix_b_prf(CK_SESSION_HANDLE hSession, const SFTKAttribute *inKey, + const CK_NSS_IKE1_APP_B_PRF_DERIVE_PARAMS *params, + SFTKObject *outKey, unsigned int keySize) +{ + SFTKAttribute *gxyKeyValue = NULL; + SFTKObject *gxyKeyObj = NULL; + unsigned char *outKeyData = NULL; + unsigned char *thisKey = NULL; + unsigned char *lastKey = NULL; + unsigned int macSize; + unsigned int outKeySize; + unsigned int genKeySize; + PRBool quickMode = PR_FALSE; + CK_RV crv; + prfContext context; + + if ((params->ulExtraDataLen != 0) && (params->pExtraData == NULL)) { + return CKR_ARGUMENTS_BAD; + } + crv = prf_setup(&context, params->prfMechanism); + if (crv != CKR_OK) { + return crv; + } + + if (params->bHasKeygxy) { + SFTKSession *session; + session = sftk_SessionFromHandle(hSession); + if (session == NULL) { + return CKR_SESSION_HANDLE_INVALID; + } + gxyKeyObj = sftk_ObjectFromHandle(params->hKeygxy, session); + sftk_FreeSession(session); + if (gxyKeyObj == NULL) { + crv = CKR_KEY_HANDLE_INVALID; + goto fail; + } + gxyKeyValue = sftk_FindAttribute(gxyKeyObj, CKA_VALUE); + if (gxyKeyValue == NULL) { + crv = CKR_KEY_HANDLE_INVALID; + goto fail; + } + quickMode = PR_TRUE; + } + + if (params->ulExtraDataLen != 0) { + quickMode = PR_TRUE; + } + + macSize = prf_length(&context); + + if (keySize == 0) { + keySize = macSize; + } + + /* In appendix B, we are just expanding or contracting a single key. + * If the input key is less than or equal to the the key size we want, + * just subset the original key. In quick mode we are actually getting + * new keys (salted with our seed data and our gxy key), so we want to + * run through our algorithm */ + if ((!quickMode) && (keySize <= inKey->attrib.ulValueLen)) { + return sftk_forceAttribute(outKey, CKA_VALUE, + inKey->attrib.pValue, keySize); + } + + outKeySize = PR_ROUNDUP(keySize, macSize); + outKeyData = PORT_Alloc(outKeySize); + if (outKeyData == NULL) { + crv = CKR_HOST_MEMORY; + goto fail; + } + + /* + * this loop generates on block of the prf, basically + * kn = prf(key, Kn-1 | [Keygxy] | [ExtraData]) + * Kn is thisKey, Kn-1 is lastKey + * key is inKey + */ + thisKey = outKeyData; + for (genKeySize = 0; genKeySize < keySize; genKeySize += macSize) { + PRBool hashedData = PR_FALSE; + crv = prf_init(&context, inKey->attrib.pValue, inKey->attrib.ulValueLen); + if (crv != CKR_OK) { + goto fail; + } + if (lastKey != NULL) { + crv = prf_update(&context, lastKey, macSize); + if (crv != CKR_OK) { + goto fail; + } + hashedData = PR_TRUE; + } + if (gxyKeyValue != NULL) { + crv = prf_update(&context, gxyKeyValue->attrib.pValue, + gxyKeyValue->attrib.ulValueLen); + if (crv != CKR_OK) { + goto fail; + } + hashedData = PR_TRUE; + } + if (params->ulExtraDataLen != 0) { + crv = prf_update(&context, params->pExtraData, params->ulExtraDataLen); + if (crv != CKR_OK) { + goto fail; + } + hashedData = PR_TRUE; + } + /* if we haven't hashed anything yet, hash a zero */ + if (hashedData == PR_FALSE) { + const unsigned char zero = 0; + crv = prf_update(&context, &zero, 1); + if (crv != CKR_OK) { + goto fail; + } + } + crv = prf_final(&context, thisKey, macSize); + if (crv != CKR_OK) { + goto fail; + } + lastKey = thisKey; + thisKey += macSize; + } + crv = sftk_forceAttribute(outKey, CKA_VALUE, outKeyData, keySize); +fail: + if (gxyKeyValue) { + sftk_FreeAttribute(gxyKeyValue); + } + if (gxyKeyObj) { + sftk_FreeObject(gxyKeyObj); + } + if (outKeyData) { + PORT_ZFree(outKeyData, outKeySize); + } + prf_free(&context); + return crv; +} + +/* + * The final flavor of ike prf is ike_prf_plus + * + * It is used by ikeV2 to generate the various session keys used in the + * connection. It uses the initial key and a feedback version of the prf + * to generate sufficient bytes to cover all the session keys. The application + * will then use CK_EXTRACT_KEY_FROM_KEY to pull out the various subkeys. + * This function expects a key size to be set by the application to cover + * all the keys. Unlike ike1_prf, if no length is provided, this function + * will generate a KEY_RANGE_ERROR + * + * This function returns (from rfc5996): + * prfplus = T1 | T2 | T3 | T4 |... Tn + * where: + * T1 = prf(K, S | 0x01) + * T2 = prf(K, T1 | S | 0x02) + * T3 = prf(K, T3 | S | 0x03) + * T4 = prf(K, T4 | S | 0x04) + * . + * Tn = prf(K, T(n-1) | n) + * K = inKey, S = seedKey | seedData + */ + +static CK_RV +sftk_ike_prf_plus_raw(CK_SESSION_HANDLE hSession, + const unsigned char *inKeyData, CK_ULONG inKeyLen, + const CK_NSS_IKE_PRF_PLUS_DERIVE_PARAMS *params, + unsigned char **outKeyDataPtr, unsigned int *outKeySizePtr, + unsigned int keySize) +{ + SFTKAttribute *seedValue = NULL; + SFTKObject *seedKeyObj = NULL; + unsigned char *outKeyData = NULL; + unsigned int outKeySize; + unsigned char *thisKey; + unsigned char *lastKey = NULL; + unsigned char currentByte = 0; + unsigned int getKeySize; + unsigned int macSize; + CK_RV crv; + prfContext context; + + if (keySize == 0) { + return CKR_KEY_SIZE_RANGE; + } + + crv = prf_setup(&context, params->prfMechanism); + if (crv != CKR_OK) { + return crv; + } + /* pull in optional seedKey */ + if (params->bHasSeedKey) { + SFTKSession *session = sftk_SessionFromHandle(hSession); + if (session == NULL) { + return CKR_SESSION_HANDLE_INVALID; + } + seedKeyObj = sftk_ObjectFromHandle(params->hSeedKey, session); + sftk_FreeSession(session); + if (seedKeyObj == NULL) { + return CKR_KEY_HANDLE_INVALID; + } + seedValue = sftk_FindAttribute(seedKeyObj, CKA_VALUE); + if (seedValue == NULL) { + crv = CKR_KEY_HANDLE_INVALID; + goto fail; + } + } else if (params->ulSeedDataLen == 0) { + crv = CKR_ARGUMENTS_BAD; + goto fail; + } + macSize = prf_length(&context); + outKeySize = PR_ROUNDUP(keySize, macSize); + outKeyData = PORT_Alloc(outKeySize); + if (outKeyData == NULL) { + crv = CKR_HOST_MEMORY; + goto fail; + } + + /* + * this loop generates on block of the prf, basically + * Tn = prf(key, Tn-1 | S | n) + * Tn is thisKey, Tn-2 is lastKey, S is seedKey || seedData, + * key is inKey. currentByte = n-1 on entry. + */ + thisKey = outKeyData; + for (getKeySize = 0; getKeySize < keySize; getKeySize += macSize) { + /* if currentByte is 255, we'll overflow when we increment it below. + * This can only happen if keysize > 255*macSize. In that case + * the application has asked for too much key material, so return + * an error */ + if (currentByte == 255) { + crv = CKR_KEY_SIZE_RANGE; + goto fail; + } + crv = prf_init(&context, inKeyData, inKeyLen); + if (crv != CKR_OK) { + goto fail; + } + + if (lastKey) { + crv = prf_update(&context, lastKey, macSize); + if (crv != CKR_OK) { + goto fail; + } + } + /* prf the key first */ + if (seedValue) { + crv = prf_update(&context, seedValue->attrib.pValue, + seedValue->attrib.ulValueLen); + if (crv != CKR_OK) { + goto fail; + } + } + /* then prf the data */ + if (params->ulSeedDataLen != 0) { + crv = prf_update(&context, params->pSeedData, + params->ulSeedDataLen); + if (crv != CKR_OK) { + goto fail; + } + } + currentByte++; + crv = prf_update(&context, ¤tByte, 1); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_final(&context, thisKey, macSize); + if (crv != CKR_OK) { + goto fail; + } + lastKey = thisKey; + thisKey += macSize; + } + *outKeyDataPtr = outKeyData; + *outKeySizePtr = outKeySize; + outKeyData = NULL; /* don't free it here, our caller will free it */ +fail: + if (outKeyData) { + PORT_ZFree(outKeyData, outKeySize); + } + if (seedValue) { + sftk_FreeAttribute(seedValue); + } + if (seedKeyObj) { + sftk_FreeObject(seedKeyObj); + } + prf_free(&context); + return crv; +} + +/* + * ike prf + with code to deliever results tosoftoken objects. + */ +CK_RV +sftk_ike_prf_plus(CK_SESSION_HANDLE hSession, const SFTKAttribute *inKey, + const CK_NSS_IKE_PRF_PLUS_DERIVE_PARAMS *params, SFTKObject *outKey, + unsigned int keySize) +{ + unsigned char *outKeyData = NULL; + unsigned int outKeySize; + CK_RV crv; + + crv = sftk_ike_prf_plus_raw(hSession, inKey->attrib.pValue, + inKey->attrib.ulValueLen, params, + &outKeyData, &outKeySize, keySize); + if (crv != CKR_OK) { + return crv; + } + + crv = sftk_forceAttribute(outKey, CKA_VALUE, outKeyData, keySize); + PORT_ZFree(outKeyData, outKeySize); + return crv; +} + +/* sftk_aes_xcbc_new_keys: + * + * aes xcbc creates 3 new keys from the input key. The first key will be the + * base key of the underlying cbc. The sign code hooks directly into encrypt + * so we'll have to create a full PKCS #11 key with handle for that key. The + * caller needs to delete the key when it's through setting up the context. + * + * The other two keys will be stored in the sign context until we need them + * at the end. + */ +CK_RV +sftk_aes_xcbc_new_keys(CK_SESSION_HANDLE hSession, + CK_OBJECT_HANDLE hKey, CK_OBJECT_HANDLE_PTR phKey, + unsigned char *k2, unsigned char *k3) +{ + SFTKObject *key = NULL; + SFTKSession *session = NULL; + SFTKObject *inKeyObj = NULL; + SFTKAttribute *inKeyValue = NULL; + CK_KEY_TYPE key_type = CKK_AES; + CK_OBJECT_CLASS objclass = CKO_SECRET_KEY; + CK_BBOOL ck_true = CK_TRUE; + CK_RV crv = CKR_OK; + SFTKSlot *slot = sftk_SlotFromSessionHandle(hSession); + unsigned char buf[AES_BLOCK_SIZE]; + + if (!slot) { + return CKR_SESSION_HANDLE_INVALID; + } + + /* get the session */ + session = sftk_SessionFromHandle(hSession); + if (session == NULL) { + crv = CKR_SESSION_HANDLE_INVALID; + goto fail; + } + + inKeyObj = sftk_ObjectFromHandle(hKey, session); + if (inKeyObj == NULL) { + crv = CKR_KEY_HANDLE_INVALID; + goto fail; + } + + inKeyValue = sftk_FindAttribute(inKeyObj, CKA_VALUE); + if (inKeyValue == NULL) { + crv = CKR_KEY_HANDLE_INVALID; + goto fail; + } + + crv = sftk_aes_xcbc_get_keys(inKeyValue->attrib.pValue, + inKeyValue->attrib.ulValueLen, buf, k2, k3); + + if (crv != CKR_OK) { + goto fail; + } + + /* + * now lets create an object to hang the attributes off of + */ + key = sftk_NewObject(slot); /* fill in the handle later */ + if (key == NULL) { + crv = CKR_HOST_MEMORY; + goto fail; + } + + /* make sure we don't have any class, key_type, or value fields */ + sftk_DeleteAttributeType(key, CKA_CLASS); + sftk_DeleteAttributeType(key, CKA_KEY_TYPE); + sftk_DeleteAttributeType(key, CKA_VALUE); + sftk_DeleteAttributeType(key, CKA_SIGN); + + /* Add the class, key_type, and value */ + crv = sftk_AddAttributeType(key, CKA_CLASS, &objclass, sizeof(CK_OBJECT_CLASS)); + if (crv != CKR_OK) { + goto fail; + } + crv = sftk_AddAttributeType(key, CKA_KEY_TYPE, &key_type, sizeof(CK_KEY_TYPE)); + if (crv != CKR_OK) { + goto fail; + } + crv = sftk_AddAttributeType(key, CKA_SIGN, &ck_true, sizeof(CK_BBOOL)); + if (crv != CKR_OK) { + goto fail; + } + crv = sftk_AddAttributeType(key, CKA_VALUE, buf, AES_BLOCK_SIZE); + if (crv != CKR_OK) { + goto fail; + } + + /* + * finish filling in the key and link it with our global system. + */ + crv = sftk_handleObject(key, session); + if (crv != CKR_OK) { + goto fail; + } + *phKey = key->handle; +fail: + if (session) { + sftk_FreeSession(session); + } + + if (inKeyValue) { + sftk_FreeAttribute(inKeyValue); + } + if (inKeyObj) { + sftk_FreeObject(inKeyObj); + } + if (key) { + sftk_FreeObject(key); + } + /* clear our CSPs */ + PORT_Memset(buf, 0, sizeof(buf)); + if (crv != CKR_OK) { + PORT_Memset(k2, 0, AES_BLOCK_SIZE); + PORT_Memset(k3, 0, AES_BLOCK_SIZE); + } + return crv; +} + +/* + * Helper function that tests a single prf test vector + */ +static SECStatus +prf_test(CK_MECHANISM_TYPE mech, + const unsigned char *inKey, unsigned int inKeyLen, + const unsigned char *plainText, unsigned int plainTextLen, + const unsigned char *expectedResult, unsigned int expectedResultLen) +{ + PRUint8 ike_computed_mac[HASH_LENGTH_MAX]; + prfContext context; + unsigned int macSize; + CK_RV crv; + + crv = prf_setup(&context, mech); + if (crv != CKR_OK) { + PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); + return SECFailure; + } + macSize = prf_length(&context); + crv = prf_init(&context, inKey, inKeyLen); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_update(&context, plainText, plainTextLen); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_final(&context, ike_computed_mac, macSize); + if (crv != CKR_OK) { + goto fail; + } + + if (macSize != expectedResultLen) { + goto fail; + } + if (PORT_Memcmp(expectedResult, ike_computed_mac, macSize) != 0) { + goto fail; + } + + /* only do the alignment if the plaintext is long enough */ + if (plainTextLen <= macSize) { + return SECSuccess; + } + prf_free(&context); + /* do it again, but this time tweak with the alignment */ + crv = prf_init(&context, inKey, inKeyLen); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_update(&context, plainText, 1); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_update(&context, &plainText[1], macSize); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_update(&context, &plainText[1 + macSize], plainTextLen - (macSize + 1)); + if (crv != CKR_OK) { + goto fail; + } + crv = prf_final(&context, ike_computed_mac, macSize); + if (crv != CKR_OK) { + goto fail; + } + if (PORT_Memcmp(expectedResult, ike_computed_mac, macSize) != 0) { + goto fail; + } + prf_free(&context); + return SECSuccess; +fail: + prf_free(&context); + PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); + return SECFailure; +} + +/* + * FIPS Power up Self Tests for IKE. This is in this function so it + * can access the private prf_ functions here. It's called out of fipstest.c + */ +SECStatus +sftk_fips_IKE_PowerUpSelfTests(void) +{ + /* PRF known test vectors */ + static const PRUint8 ike_xcbc_known_key[] = { + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f + }; + static const PRUint8 ike_xcbc_known_plain_text[] = { + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f + }; + static const PRUint8 ike_xcbc_known_mac[] = { + 0xd2, 0xa2, 0x46, 0xfa, 0x34, 0x9b, 0x68, 0xa7, + 0x99, 0x98, 0xa4, 0x39, 0x4f, 0xf7, 0xa2, 0x63 + }; + /* test 2 uses the same key as test 1 */ + static const PRUint8 ike_xcbc_known_plain_text_2[] = { + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13 + }; + static const PRUint8 ike_xcbc_known_mac_2[] = { + 0x47, 0xf5, 0x1b, 0x45, 0x64, 0x96, 0x62, 0x15, + 0xb8, 0x98, 0x5c, 0x63, 0x05, 0x5e, 0xd3, 0x08 + }; + static const PRUint8 ike_xcbc_known_key_3[] = { + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09 + }; + /* test 3 uses the same plaintest as test 2 */ + static const PRUint8 ike_xcbc_known_mac_3[] = { + 0x0f, 0xa0, 0x87, 0xaf, 0x7d, 0x86, 0x6e, 0x76, + 0x53, 0x43, 0x4e, 0x60, 0x2f, 0xdd, 0xe8, 0x35 + }; + static const PRUint8 ike_xcbc_known_key_4[] = { + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0xed, 0xcb + }; + /* test 4 uses the same plaintest as test 2 */ + static const PRUint8 ike_xcbc_known_mac_4[] = { + 0x8c, 0xd3, 0xc9, 0x3a, 0xe5, 0x98, 0xa9, 0x80, + 0x30, 0x06, 0xff, 0xb6, 0x7c, 0x40, 0xe9, 0xe4 + }; + static const PRUint8 ike_sha1_known_key[] = { + 0x59, 0x98, 0x2b, 0x5b, 0xa5, 0x7e, 0x62, 0xc0, + 0x46, 0x0d, 0xef, 0xc7, 0x1e, 0x18, 0x64, 0x63 + }; + static const PRUint8 ike_sha1_known_plain_text[] = { + 0x1c, 0x07, 0x32, 0x1a, 0x9a, 0x7e, 0x41, 0xcd, + 0x88, 0x0c, 0xa3, 0x7a, 0xdb, 0x10, 0xc7, 0x3b, + 0xf0, 0x0e, 0x7a, 0xe3, 0xcf, 0xc6, 0xfd, 0x8b, + 0x51, 0xbc, 0xe2, 0xb9, 0x90, 0xe6, 0xf2, 0x01 + }; + static const PRUint8 ike_sha1_known_mac[] = { + 0x0c, 0x2a, 0xf3, 0x42, 0x97, 0x15, 0x62, 0x1d, + 0x2a, 0xad, 0xc9, 0x94, 0x5a, 0x90, 0x26, 0xfa, + 0xc7, 0x91, 0xe2, 0x4b + }; + static const PRUint8 ike_sha256_known_key[] = { + 0x9d, 0xa2, 0xd5, 0x8f, 0x57, 0xf0, 0x39, 0xf9, + 0x20, 0x4e, 0x0d, 0xd0, 0xef, 0x04, 0xf3, 0x72 + }; + static const PRUint8 ike_sha256_known_plain_text[] = { + 0x33, 0xf1, 0x7a, 0xfc, 0xb6, 0x13, 0x4c, 0xbf, + 0x1c, 0xab, 0x59, 0x87, 0x7d, 0x42, 0xdb, 0x35, + 0x82, 0x22, 0x6e, 0xff, 0x74, 0xdd, 0x37, 0xeb, + 0x8b, 0x75, 0xe6, 0x75, 0x64, 0x5f, 0xc1, 0x69 + }; + static const PRUint8 ike_sha256_known_mac[] = { + 0x80, 0x4b, 0x4a, 0x1e, 0x0e, 0xc5, 0x93, 0xcf, + 0xb6, 0xe4, 0x54, 0x52, 0x41, 0x49, 0x39, 0x6d, + 0xe2, 0x34, 0xd0, 0xda, 0xe2, 0x9f, 0x34, 0xa8, + 0xfd, 0xb5, 0xf9, 0xaf, 0xe7, 0x6e, 0xa6, 0x52 + }; + static const PRUint8 ike_sha384_known_key[] = { + 0xce, 0xc8, 0x9d, 0x84, 0x5a, 0xdd, 0x83, 0xef, + 0xce, 0xbd, 0x43, 0xab, 0x71, 0xd1, 0x7d, 0xb9 + }; + static const PRUint8 ike_sha384_known_plain_text[] = { + 0x17, 0x24, 0xdb, 0xd8, 0x93, 0x52, 0x37, 0x64, + 0xbf, 0xef, 0x8c, 0x6f, 0xa9, 0x27, 0x85, 0x6f, + 0xcc, 0xfb, 0x77, 0xae, 0x25, 0x43, 0x58, 0xcc, + 0xe2, 0x9c, 0x27, 0x69, 0xa3, 0x29, 0x15, 0xc1 + }; + static const PRUint8 ike_sha384_known_mac[] = { + 0x6e, 0x45, 0x14, 0x61, 0x0b, 0xf8, 0x2d, 0x0a, + 0xb7, 0xbf, 0x02, 0x60, 0x09, 0x6f, 0x61, 0x46, + 0xa1, 0x53, 0xc7, 0x12, 0x07, 0x1a, 0xbb, 0x63, + 0x3c, 0xed, 0x81, 0x3c, 0x57, 0x21, 0x56, 0xc7, + 0x83, 0xe3, 0x68, 0x74, 0xa6, 0x5a, 0x64, 0x69, + 0x0c, 0xa7, 0x01, 0xd4, 0x0d, 0x56, 0xea, 0x18 + }; + static const PRUint8 ike_sha512_known_key[] = { + 0xac, 0xad, 0xc6, 0x31, 0x4a, 0x69, 0xcf, 0xcd, + 0x4e, 0x4a, 0xd1, 0x77, 0x18, 0xfe, 0xa7, 0xce + }; + static const PRUint8 ike_sha512_known_plain_text[] = { + 0xb1, 0x5a, 0x9c, 0xfc, 0xe8, 0xc8, 0xd7, 0xea, + 0xb8, 0x79, 0xd6, 0x24, 0x30, 0x29, 0xd4, 0x01, + 0x88, 0xd3, 0xb7, 0x40, 0x87, 0x5a, 0x6a, 0xc6, + 0x2f, 0x56, 0xca, 0xc4, 0x37, 0x7e, 0x2e, 0xdd + }; + static const PRUint8 ike_sha512_known_mac[] = { + 0xf0, 0x5a, 0xa0, 0x36, 0xdf, 0xce, 0x45, 0xa5, + 0x58, 0xd4, 0x04, 0x18, 0xde, 0xa9, 0x80, 0x96, + 0xe5, 0x19, 0xbc, 0x78, 0x41, 0xe3, 0xdb, 0x3d, + 0xd9, 0x36, 0x58, 0xd1, 0x18, 0xc3, 0xe8, 0x3b, + 0x50, 0x2f, 0x39, 0x8e, 0xcb, 0x13, 0x61, 0xec, + 0x77, 0xd3, 0x8a, 0x88, 0x55, 0xef, 0xff, 0x40, + 0x7f, 0x6f, 0x77, 0x2e, 0x5d, 0x65, 0xb5, 0x8e, + 0xb1, 0x13, 0x40, 0x96, 0xe8, 0x47, 0x8d, 0x2b + }; + static const PRUint8 ike_known_sha256_prf_plus[] = { + 0xe6, 0xf1, 0x9b, 0x4a, 0x02, 0xe9, 0x73, 0x72, + 0x93, 0x9f, 0xdb, 0x46, 0x1d, 0xb1, 0x49, 0xcb, + 0x53, 0x08, 0x98, 0x3d, 0x41, 0x36, 0xfa, 0x8b, + 0x47, 0x04, 0x49, 0x11, 0x0d, 0x6e, 0x96, 0x1d, + 0xab, 0xbe, 0x94, 0x28, 0xa0, 0xb7, 0x9c, 0xa3, + 0x29, 0xe1, 0x40, 0xf8, 0xf8, 0x88, 0xb9, 0xb5, + 0x40, 0xd4, 0x54, 0x4d, 0x25, 0xab, 0x94, 0xd4, + 0x98, 0xd8, 0x00, 0xbf, 0x6f, 0xef, 0xe8, 0x39 + }; + SECStatus rv; + CK_RV crv; + unsigned char *outKeyData = NULL; + unsigned int outKeySize; + CK_NSS_IKE_PRF_PLUS_DERIVE_PARAMS ike_params; + + rv = prf_test(CKM_AES_XCBC_MAC, + ike_xcbc_known_key, sizeof(ike_xcbc_known_key), + ike_xcbc_known_plain_text, sizeof(ike_xcbc_known_plain_text), + ike_xcbc_known_mac, sizeof(ike_xcbc_known_mac)); + if (rv != SECSuccess) + return rv; + rv = prf_test(CKM_AES_XCBC_MAC, + ike_xcbc_known_key, sizeof(ike_xcbc_known_key), + ike_xcbc_known_plain_text_2, sizeof(ike_xcbc_known_plain_text_2), + ike_xcbc_known_mac_2, sizeof(ike_xcbc_known_mac_2)); + if (rv != SECSuccess) + return rv; + rv = prf_test(CKM_AES_XCBC_MAC, + ike_xcbc_known_key_3, sizeof(ike_xcbc_known_key_3), + ike_xcbc_known_plain_text_2, sizeof(ike_xcbc_known_plain_text_2), + ike_xcbc_known_mac_3, sizeof(ike_xcbc_known_mac_3)); + if (rv != SECSuccess) + return rv; + rv = prf_test(CKM_AES_XCBC_MAC, + ike_xcbc_known_key_4, sizeof(ike_xcbc_known_key_4), + ike_xcbc_known_plain_text_2, sizeof(ike_xcbc_known_plain_text_2), + ike_xcbc_known_mac_4, sizeof(ike_xcbc_known_mac_4)); + if (rv != SECSuccess) + return rv; + rv = prf_test(CKM_SHA_1_HMAC, + ike_sha1_known_key, sizeof(ike_sha1_known_key), + ike_sha1_known_plain_text, sizeof(ike_sha1_known_plain_text), + ike_sha1_known_mac, sizeof(ike_sha1_known_mac)); + if (rv != SECSuccess) + return rv; + rv = prf_test(CKM_SHA256_HMAC, + ike_sha256_known_key, sizeof(ike_sha256_known_key), + ike_sha256_known_plain_text, + sizeof(ike_sha256_known_plain_text), + ike_sha256_known_mac, sizeof(ike_sha256_known_mac)); + if (rv != SECSuccess) + return rv; + rv = prf_test(CKM_SHA384_HMAC, + ike_sha384_known_key, sizeof(ike_sha384_known_key), + ike_sha384_known_plain_text, + sizeof(ike_sha384_known_plain_text), + ike_sha384_known_mac, sizeof(ike_sha384_known_mac)); + if (rv != SECSuccess) + return rv; + rv = prf_test(CKM_SHA512_HMAC, + ike_sha512_known_key, sizeof(ike_sha512_known_key), + ike_sha512_known_plain_text, + sizeof(ike_sha512_known_plain_text), + ike_sha512_known_mac, sizeof(ike_sha512_known_mac)); + + ike_params.prfMechanism = CKM_SHA256_HMAC; + ike_params.bHasSeedKey = PR_FALSE; + ike_params.hSeedKey = CK_INVALID_HANDLE; + ike_params.pSeedData = (CK_BYTE_PTR)ike_sha256_known_plain_text; + ike_params.ulSeedDataLen = sizeof(ike_sha256_known_plain_text); + crv = sftk_ike_prf_plus_raw(CK_INVALID_HANDLE, ike_sha256_known_key, + sizeof(ike_sha256_known_key), &ike_params, + &outKeyData, &outKeySize, 64); + if ((crv != CKR_OK) || + (outKeySize != sizeof(ike_known_sha256_prf_plus)) || + (PORT_Memcmp(outKeyData, ike_known_sha256_prf_plus, + sizeof(ike_known_sha256_prf_plus)) != 0)) { + PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); + return SECFailure; + } + PORT_ZFree(outKeyData, outKeySize); + return rv; +} |