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Trusted Platform Module 2.0 » History » Version 65

Andreas Steffen, 11.12.2017 12:40

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h1. Trusted Platform Module 2.0
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{{>toc}}
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h2. Connect to a TPM 2.0 Device
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h3. Install the TSS2 Software Stack and tpm2 Tools
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In order to connect to a TPM 2.0 hardware or firmware device, the TSS2 software stack developed by Intel is needed. Because the official Ubuntu *tpm2-tss* package is rather outdated (e.g. since version 0.98 the TCTI interface to the TPM 2.0 resource manager has changed several times), strongSwan is currently based on a recent version directly drawn from the TPM2-TSS git repository https://github.com/01org/TPM2.0-TSS. Avoid any TCTI interface incompatibilities by fetching the latest *tpm2-tools* version from https://github.com/01org/tpm2.0-tools as well.
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Build and install both the *tpm2-tss* stack and the *tpm2.0-tools*, start the *tpm2-resourcemgr* as a service in the background and try to connect to the TPM 2.0 by listing e.g. the contents of the SHA-1 bank of PCR registers
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 tpm2_listpcrs -g 0x0004
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<pre>
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Bank/Algorithm: TPM_ALG_SHA1(0x0004)
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PCR_00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_01: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_02: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_03: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_04: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_05: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_06: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_07: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_08: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_09: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_10: a9 45 e7 0f 42 a2 79 f0 78 ca d4 64 60 39 39 da 9d 6a d1 a5
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PCR_11: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_12: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_13: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_14: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_15: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_16: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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PCR_17: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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PCR_18: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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PCR_19: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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PCR_20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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PCR_21: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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PCR_22: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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PCR_23: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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</pre>
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A manual showing all *tpm2-tools* functions with their arguments can be found "here":https://github.com/01org/tpm2.0-tools/blob/master/manual.
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h3. Enable the strongSwan tpm Plugin
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The strongSwan libtpmtss *tpm* plugin and the TSS2 interface are enabled and built with the following options
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  ./configure --enable-tss-tss2 --enable tpm  ...
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h2. TPM 2.0 Algorithm IDs
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h3. Hash Algorithms
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|0x0004 |SHA-1     |
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|0x000B |SHA-2_256 |
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|0x000C |SHA-2_384 |
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|0x000D |SHA-2_512 |
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Currently available TPM 2.0 devices like the Infineon *Optiga SLB 9670 VQ2.0* hardware TPM or Intel's *PTT* firmware TPM integrated into the Management Engine starting with the 4th generation (Haswell) of the *Core* processor family, support the *SHA-1* and *SHA-2_256* algorithms.
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h3. Public Key Types
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|0x0001 |RSA |
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|0x0023 |ECC |
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Currently RSA keys have a modulus size of 2048 bits and ECC keys are based on the 256 bit NIST curve.
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h3. Signature Schemes
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|0x0014 |RSASSA |
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|0x0016 |RSAPSS |
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|0x0018 |ECDSA  |
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h3. Object Attributes
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|0x00002 |fixedTPM             |
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|0x00004 |stClear              |
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|0x00010 |fixedParent          |
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|0x00020 |sensitiveDataOrigin  |
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|0x00040 |userWithAuth         |
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|0x00080 |adminWithPolicy      |
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|0x00400 |noDA                 |
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|0x00800 |encryptedDuplication |
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|0x10000 |restricted           |
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|0x20000 |decrypt              |
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|0x40000 |sign                 |
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h3. NV Index Attributes
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|0x00000001 |NV_PPWRITE        |
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|0x00000002 |NV_OWNERWRITE     |
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|0x00000004 |NV_AUTHWRITE      |
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|0x00000008 |NV_POLICYWRITE    |
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|0x000000F0 |NT                |
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|0x00000400 |NV_POLICY_DELETE  |
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|0x00000800 |NV_WRITELOCKED    |
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|0x00001000 |NV_WRITEALL       |
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|0x00002000 |NV_WRITEDEFINE    |
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|0x00004000 |NV_WRITE_STCLEAR  |
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|0x00008000 |NV_GLOBALLOCK     |
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|0x00010000 |NV_PPEREAD        |
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|0x00020000 |NV_OWNERREAD      |
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|0x00040000 |NV_AUTHREAD       |
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|0x00080000 |NV_POLICYREAD     |
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|0x02000000 |NV_NO_DA          |
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|0x04000000 |NV_ORDERLY        |
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|0x08000000 |NV_CLEAR_STCLEAR  |
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|0x10000000 |NV_READLOCKED     |
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|0x20000000 |NV_WRITTEN        |
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|0x40000000 |NV_PLATFORMCREATE |
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|0x80000000 |NV_READ_STCLEAR   |
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h2. Derive a Persistent RSA Endorsement Key
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The following tpm2-tools command derives a 2048 bit RSA Endorsement Key (EK) in a deterministic way from the secret _Endorsement Primary Seed_ *unique* to each TPM device and makes the key persistent in the non-volatile memory of the TPM under the object handle 0x81010001
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 tpm2_getpubek -H 0x81010001 -g 0x0001 -f ek_rsa.pub
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The EK public key stored in the ek_rsa.pub file is encoded in a TPM 2.0 proprietary format but the key can be exported from the TPM in the regular PKCS#1 format using the *pki* tool
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 pki --pub --keyid 0x81010001 --outform pem > ek_rsa_pub.pem
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The fingerprint of the RSA EK public key can be displayed with the command
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 pki --print --type pub --in ek_rsa_pub.pem
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  pubkey:    RSA 2048 bits
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  keyid:     d1:f1:49:84:36:44:e6:8c:d2:a6:69:ee:fd:b5:7d:56:2f:39:ff:58
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  subjkey:   c1:1b:8e:f1:c7:f8:8a:1e:9a:dd:7e:82:2f:7a:a3:f5:c0:e2:4d:7d
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h2. Generate a Persistent RSA Attestation Key
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A 2048 bit RSA Attestation Key (AK) bound to the EK with handle 0x81010001 can be created and made persistent under the handle 0x81010002 with the following tpm2-tools command
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 tpm2_getpubak -E 0x81010001 -g 0x0001 -D 0x000B -s 0x0014 -k 0x81010002 -P 123456 -f ak_rsa2.pub -n ak_rsa2.name
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This AK key is protected by the PIN (-P parameter) *123456*. The AK public key can now be exported in PKCS#1 format from the TPM using the *pki* tool
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 pki --pub --keyid 0x81010002 --outform pem > ak_rsa_pub.pem
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The fingerprint of the RSA AK public key can be displayed with the command
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 pki --print --type pub --in ak_rsa_pub.pem
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  pubkey:    RSA 2048 bits
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  keyid:     71:21:f5:d4:7e:59:4a:88:16:ca:57:85:98:3d:36:a7:b1:d5:75:fa
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  subjkey:   f4:9e:85:7d:de:4e:67:f5:fb:87:03:98:67:3f:20:7c:f3:3f:2b:66
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h2. Derive a Persistent ECC Endorsement Key
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The following tpm2-tools command derives a 256 bit ECC Endorsement Key (EK) in a deterministic way from the secret _Endorsement Primary Seed_ *unique* to each TPM device and makes the key persistent in the non-volatile memory of the TPM under the object handle 0x81010003:
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 tpm2_getpubek -H 0x81010003 -g 0x0023 -f ek_ecc.pub
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The EK public key can be exported in PKCS#1 format from the TPM using the *pki* tool:
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  pki --pub --keyid 0x81010003 > ek_ecc_pub.der
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The fingerprint of the ECC EK public key can be displayed with the command
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 pki --print --type pub --in ek_ecc_pub.der
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  pubkey:    ECDSA 256 bits
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  keyid:     7f:39:ca:e6:83:9b:a9:06:97:40:27:6a:e1:bf:8f:f5:9f:d3:a5:31
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  subjkey:   8b:43:4d:5e:5e:7b:ff:c2:54:4d:ef:88:cb:0c:7c:47:75:28:4d:09
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h2. Generate a Persistent ECC Attestation Key
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A 256 bit ECC Attestation Key (AK) bound to the EK with handle 0x81010003 can be created and made persistent under the handle 0x81010004 with the following tpm2-tools command
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 tpm2_getpubak -E 0x81010003 -g 0x0023 -D 0x000B -s 0x0018 -k 0x81010004 -f ak_ecc4.pub -n ak_ecc4.name
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The AK public key can be exported in PKCS#1 format from the TPM using the *pki* tool
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 pki --pub --keyid 0x81010004 > ak_ecc_pub.der
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The fingerprint of the ECC AK public key can be displayed with the command
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 pki --print --type pub --in ak_ecc_pub.der
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  pubkey:    ECDSA 256 bits
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  keyid:     71:49:7c:42:41:e7:c6:81:bc:31:73:f0:0f:7e:4a:e1:2d:53:00:38
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  subjkey:   c7:0e:63:f8:7f:6f:f6:55:00:e5:05:7f:5a:3e:6b:6c:e7:d2:d5:13
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h2. Generate Another ECC Attestation Key
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Multiple AK keys bound to a common EK key can be generated
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 tpm2_getpubak -E 0x81010003 -g 0x0023 -D 0x000B -s 0x0018 -k 0x81010005 -f ak_ecc5.pub -n ak_ecc5.name
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The AK public key can be exported in PKCS#1 format from the TPM using the *pki* tool
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 pki --pub --keyid 0x81010005 > ak_ecc5_pub.der
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The fingerprint of the second ECC AK public key can be displayed with the command
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 pki --print --type pub --in ak_ecc5_pub.der
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  pubkey:    ECDSA 256 bits
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  keyid:     c4:b4:9c:95:27:9e:ce:81:2f:98:42:c8:1b:f0:54:ff:d4:d1:24:34
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  subjkey:   cf:44:f4:f7:9d:97:09:ad:b1:09:3a:8e:6f:23:eb:9f:2c:35:94:c9
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h2. Remove a Persistent Key Object
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Since the non-volatile memory of the TPM is limited any persistent key object can be removed to free storage space.
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The following tpm2-tools command removes the ECC AK key with persistent handle 0x81010005
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 tpm2_evictcontrol -A o -H 0x81010005 -S 0x81010005
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h2. List Persistent Objects
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The following tpm2-tools command lists all persistent objects stored by the TPM in non-volatile memory
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 tpm2_listpersistent
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<pre>
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6 persistent objects defined.
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0. Persistent handle: 0x81000001
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{
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        Type: 0x23
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        Hash algorithm(nameAlg): 0xb
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        Attributes: 0x30072
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}
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1. Persistent handle: 0x81000002
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{
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        Type: 0x23
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        Hash algorithm(nameAlg): 0xb
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        Attributes: 0x60072
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}
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2. Persistent handle: 0x81010001
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{
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        Type: 0x1
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        Hash algorithm(nameAlg): 0xb
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        Attributes: 0x300b2
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}
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3. Persistent handle: 0x81010002
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{
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        Type: 0x1
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        Hash algorithm(nameAlg): 0xb
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        Attributes: 0x50072
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}
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4. Persistent handle: 0x81010003
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{
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        Type: 0x23
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        Hash algorithm(nameAlg): 0xb
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        Attributes: 0x300b2
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}
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5. Persistent handle: 0x81010004
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{
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        Type: 0x23
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        Hash algorithm(nameAlg): 0xb
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        Attributes: 0x50072
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}
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</pre>
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h2. Create a Demo Root CA
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The following *pki* command creates a 256 bit ECDSA private key for the Demo CA
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<pre>
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pki --gen --type ecdsa --size 256 --outform pem > demoCaKey.pem
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</pre>
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Next we create a self-signed Root CA certificate
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<pre>
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pki --self --ca --type ecdsa --in demoCaKey.pem --dn="C=US, O=TNC Demo, CN=TNC Demo CA" --lifetime 3652 --outform pem > demoCaCert.pem
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</pre>
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h2. Issue an RSA AIK Certificate
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Based on the RSA AK public key exported from the TPM, the following *pki* command generates an Attestation Identity Key (AIK) certificate signed by the Demo CA
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<pre>
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pki --issue --cacert demoCaCert.pem --cakey demoCaKey.pem --type pub --in ak_rsa_pub.der --dn "C=US, O=TNC Demo, OU=AIK RSA, CN=raspi5.example.com" --san raspi5.example.com --lifetime 3651 > raspi5_ak_rsa_Cert.der
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</pre>
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h2. Issue an ECC AIK Certificate
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Based on the ECC AK public key exported from the TPM, the following *pki* command generates an Attestation Identity Key (AIK) certificate signed by the Demo CA
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<pre>
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pki --issue --cacert demoCaCert.pem --cakey demoCaKey.pem --type pub --in ak_ecc_pub.der --dn "C=US, O=TNC Demo, OU=AIK ECC, CN=raspi5.example.com" --san raspi5.example.com --lifetime 3651 > raspi5_ak_ecc_Cert.der
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</pre>
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Many certification authorities issue certificates based on PKCS#10 certificate requests. This approach is also possible. First a certificate request is generated on the host the TPM resides on
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<pre>
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 pki --req --keyid 0x81010004 --dn "C=US, O=TNC Demo, OU=AIK ECC, CN=raspi5.example.com" --san raspi5.example.com > ak_ecc_req.der
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</pre>
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When you are prompted for a smartcard PIN just press <enter> since this TPM private key is not protected by a PIN. In a second step the CA issues the AIK certificate based on the PKCS#10 certificate request
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<pre>
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pki --issue --cacert demoCaCert.pem --cakey demoCaKey.pem --type pkcs10 --in ak_ecc_req.der --lifetime 3651 > raspi5_ak_ecc_Cert.der
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</pre>
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h2. Store the ECC AIK Certificate in the NV RAM of the TPM
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A TPM 2.0 has a certain amount of Non Volatile Random Access Memory (NV RAM) that can be used to store arbitrary data, e.g. the X.509 certificates matching the persistent keys. IF both the certificates and keys are persisted in the TPM then the system disk of the host can be reformatted at any time without loosing the machine or user credentials.As with smartcards the needed amount of memory must be reserved first so we check the size of the X.509 ECC certificate
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<pre>
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ls -l raspi5_ak_ecc_Cert.der
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-rw-r--r-- 1 root root 449 Feb 17  2017 raspi5_ak_ecc_Cert.der
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</pre>
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We then define a memory location with a size of 449 bytes that can be accessed via the handle 0x01800004 which is also called the NV index
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<pre>
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tpm2_nvdefine -x 0x01800004 -a 0x40000001 -s 449 -t 0x2000A
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</pre>
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Then we write the certificate file to the NV RAM destination
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<pre>
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tpm2_nvwrite -x 0x01800004 -a 0x40000001 -f raspi5_ak_ecc_Cert.der
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</pre>
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h2. List of NV Indexes
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A list of all defined NV indexes can be obtained with
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 tpm2_nvlist
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<pre>
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2 NV indexes defined.
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  0. NV Index: 0x1500015
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  {
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	Hash algorithm(nameAlg):4
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 	The Index attributes(attributes):0x44040004
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 	The size of the data area(dataSize):4
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   }
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  1. NV Index: 0x1800004
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  {
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	Hash algorithm(nameAlg):11
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 	The Index attributes(attributes):0x2002000a
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 	The size of the data area(dataSize):449
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   }
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</pre>
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h2. Remove NV Index
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The memory assigned to a given NV index can be released with the command
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<pre>
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tpm2_nvrelease -x 0x01800001 -a 0x40000001
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</pre>
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h2. Configure TPM Private Key Access via VICI Interface
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Configuration of TPM private key access as tokens in the secrets section of *swanctl.conf*
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 secrets {
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    token_ak_rsa {
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       handle = 81010002
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       pin = 123456
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    }
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    token_ak_ecc {
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       handle = 81010004
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    }
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}
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Since the use of the RSA AK private key is password-protected, the PIN *123456* is added.
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h2. Define IPsec Connection with RSA AK Client Key
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This connection configuration in *swanctl.conf* uses the RSA AK certificate for client authentication
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<pre>
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connections {
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   rsa {
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      local_addrs  = 10.10.0.105
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      remote_addrs = 10.10.0.104
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      local {
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         auth = pubkey 
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         certs = raspi5_ak_rsa_Cert.der
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      }
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      remote {
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         auth = pubkey 
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         id = raspi4.example.com
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      }
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      children {
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         rsa {
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            mode = transport
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            esp_proposals = aes128-sha256-curve25519
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         }
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      }
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      version = 2
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      proposals = aes128-sha256-curve25519
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   }
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}
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</pre>
380 30 Andreas Steffen
381 30 Andreas Steffen
h2. Define IPsec Connection with ECC AK Client Key
382 30 Andreas Steffen
383 58 Andreas Steffen
This connection configuration in *swanctl.conf* references the ECC AK certificate used for client authentication via its handle, i.e. the NV index
384 30 Andreas Steffen
<pre>
385 30 Andreas Steffen
connections {
386 30 Andreas Steffen
   ecc {
387 30 Andreas Steffen
      local_addrs  = 10.10.0.105
388 30 Andreas Steffen
      remote_addrs = 10.10.0.104
389 30 Andreas Steffen
390 30 Andreas Steffen
      local {
391 1 Andreas Steffen
         auth = pubkey
392 58 Andreas Steffen
         cert-tpm {
393 58 Andreas Steffen
            handle = 0x01800004
394 58 Andreas Steffen
         }
395 30 Andreas Steffen
      }
396 30 Andreas Steffen
      remote {
397 30 Andreas Steffen
         auth = pubkey
398 30 Andreas Steffen
         id = raspi4.example.com
399 30 Andreas Steffen
      }
400 30 Andreas Steffen
      children {
401 30 Andreas Steffen
         ecc {
402 30 Andreas Steffen
            mode = transport
403 30 Andreas Steffen
            esp_proposals = aes128-sha256-curve25519
404 30 Andreas Steffen
         }
405 30 Andreas Steffen
      }
406 30 Andreas Steffen
      version = 2
407 30 Andreas Steffen
      proposals = aes128-sha256-curve25519
408 30 Andreas Steffen
   }
409 30 Andreas Steffen
}
410 30 Andreas Steffen
</pre>
411 29 Andreas Steffen
412 29 Andreas Steffen
h2. Starting the strongSwan Daemon
413 29 Andreas Steffen
414 29 Andreas Steffen
<pre>
415 29 Andreas Steffen
systemctl start strongswan-swanctl
416 29 Andreas Steffen
</pre>
417 29 Andreas Steffen
418 29 Andreas Steffen
<pre>
419 44 Andreas Steffen
Feb 19 10:52:01 raspi5 systemd[1]: Starting strongSwan IPsec IKEv1/IKEv2 daemon using swanctl...
420 44 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: loaded plugins: charon-systemd charon-systemd random nonce x509 constraints openssl pem pkcs1 pkcs8 pkcs12 pubkey mgf1 ntru curve25519 eap-identity eap-ttls eap-tnc tnc-tnccs tnc-imc tnccs-20 socket-default kernel-netlink vici tpm
421 44 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: spawning 16 worker threads
422 44 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: loaded certificate 'C=US, O=TNC Demo, OU=AIK RSA, CN=raspi5.example.com'
423 44 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: loaded certificate 'C=US, O=TNC Demo, CN=TNC Demo CA'
424 1 Andreas Steffen
</pre>
425 1 Andreas Steffen
426 59 Andreas Steffen
The RSA AK private key is attached to the *charon-systemd* daemon via the TPM 2.0 resource manager
427 1 Andreas Steffen
<pre>
428 44 Andreas Steffen
Feb 19 10:52:01 raspi5 resourcemgr[531]: Accept socket:  0xc
429 44 Andreas Steffen
Feb 19 10:52:01 raspi5 resourcemgr[531]: Resource Manager Other CMD Server accepted client
430 44 Andreas Steffen
Feb 19 10:52:01 raspi5 resourcemgr[531]: Accept socket:  0xd
431 44 Andreas Steffen
Feb 19 10:52:01 raspi5 resourcemgr[531]: Resource Manager TPM CMD Server accepted client
432 53 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: TPM 2.0 - manufacturer: IFX (SLB9670) rev: 01.16 2015
433 44 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: TPM 2.0 - algorithms: RSA SHA1 HMAC AES KEYEDHASH XOR SHA256 RSASSA RSAES RSAPSS OAEP ECDSA ECDH SM2 KDF1_SP800_56A KDF1_SP800_108 ECC SYMCIPHER CFB
434 44 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: TPM 2.0 - ECC curves: NIST_P256 BN_P256
435 44 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: TPM 2.0 via TSS2 available
436 44 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: AIK signature algorithm is RSASSA with SHA256 hash
437 44 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: loaded RSA private key from token
438 1 Andreas Steffen
F</pre>
439 1 Andreas Steffen
440 59 Andreas Steffen
The ECC AK private key is attached to the *charon-systemd* daemon via the TPM 2.0 resource manager
441 29 Andreas Steffen
<pre>
442 44 Andreas Steffen
Feb 19 10:52:01 raspi5 resourcemgr[531]: Accept socket:  0x6
443 44 Andreas Steffen
Feb 19 10:52:01 raspi5 resourcemgr[531]: Resource Manager Other CMD Server accepted client
444 44 Andreas Steffen
Feb 19 10:52:01 raspi5 resourcemgr[531]: Accept socket:  0x7
445 44 Andreas Steffen
Feb 19 10:52:01 raspi5 resourcemgr[531]: Resource Manager TPM CMD Server accepted client
446 53 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: TPM 2.0 - manufacturer: IFX (SLB9670) rev: 01.16 2015
447 44 Andreas Steffen
Feb 19 10:52:01 raspi5 charon-systemd[21165]: TPM 2.0 - algorithms: RSA SHA1 HMAC AES KEYEDHASH XOR SHA256 RSASSA RSAES RSAPSS OAEP ECDSA ECDH SM2 KDF1_SP800_56A KDF1_SP800_108 ECC SYMCIPHER CFB
448 44 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]: TPM 2.0 - ECC curves: NIST_P256 BN_P256
449 1 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]: TPM 2.0 via TSS2 available
450 1 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]: AIK signature algorithm is ECDSA with SHA256 hash
451 1 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]: loaded ECDSA private key from token
452 59 Andreas Steffen
</pre>
453 1 Andreas Steffen
454 59 Andreas Steffen
The ECC AIK certificate is loaded by the *charon-systemd* daemon via the TPM 2.0 resource manager
455 1 Andreas Steffen
<pre>
456 59 Andreas Steffen
Feb 19 10:52:02 raspi5 resourcemgr[531]: Accept socket:  0x8
457 59 Andreas Steffen
Feb 19 10:52:02 raspi5 resourcemgr[531]: Resource Manager Other CMD Server accepted client
458 59 Andreas Steffen
Feb 19 10:52:02 raspi5 resourcemgr[531]: Accept socket:  0x9
459 59 Andreas Steffen
Feb 19 10:52:02 raspi5 resourcemgr[531]: Resource Manager TPM CMD Server accepted client
460 59 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]: TPM 2.0 - manufacturer: IFX (SLB9670) rev: 01.16 2015
461 59 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]: TPM 2.0 - algorithms: RSA SHA1 HMAC AES KEYEDHASH XOR SHA256 RSASSA RSAES RSAPSS OAEP ECDSA ECDH SM2 KDF1_SP800_56A KDF1_SP800_108 ECC SYMCIPHER CFB
462 59 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]: TPM 2.0 - ECC curves: NIST_P256 BN_P256
463 59 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]: TPM 2.0 via TSS2 available
464 59 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]: loaded certificate from TPM NV index 0x01800004
465 60 Andreas Steffen
Feb 19 10:52:02 raspi5 resourcemgr[531]: OtherCmdServer died (Other CMD), socket: 0x8.
466 60 Andreas Steffen
Feb 19 10:52:02 raspi5 resourcemgr[531]: TpmCmdServer died (TPM CMD), rval: 0x00000000, socket: 0x9
467 59 Andreas Steffen
</pre>
468 59 Andreas Steffen
469 59 Andreas Steffen
The two connection definitions are received by the *charon-systemd* daemon from the *swanctl* command line tool via the VICI interface
470 59 Andreas Steffen
<pre>
471 1 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]:   id not specified, defaulting to cert subject 'C=US, O=TNC Demo, OU=AIK RSA, CN=raspi5.example.com'
472 1 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]: added vici connection: rsa
473 1 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]:   id not specified, defaulting to cert subject 'C=US, O=TNC Demo, OU=AIK ECC, CN=raspi5.example.com'
474 44 Andreas Steffen
Feb 19 10:52:02 raspi5 charon-systemd[21165]: added vici connection: ecc
475 59 Andreas Steffen
</pre>
476 59 Andreas Steffen
477 59 Andreas Steffen
The *swanctl* command line tool reports its actions
478 59 Andreas Steffen
<pre>
479 44 Andreas Steffen
Feb 19 10:52:02 raspi5 swanctl[21183]: loaded certificate from '/etc/swanctl/x509/raspi5_ak_rsa_Cert.der'
480 44 Andreas Steffen
Feb 19 10:52:02 raspi5 swanctl[21183]: loaded certificate from '/etc/swanctl/x509ca/demoCaCert.pem'
481 44 Andreas Steffen
Feb 19 10:52:02 raspi5 swanctl[21183]: loaded key token_ak_rsa from token [keyid: f49e857dde4e67f5fb870398673f207cf33f2b66]
482 44 Andreas Steffen
Feb 19 10:52:02 raspi5 swanctl[21183]: loaded key token_ak_ecc from token [keyid: c70e63f87f6ff65500e5057f5a3e6b6ce7d2d513]
483 44 Andreas Steffen
Feb 19 10:52:02 raspi5 swanctl[21183]: loaded connection 'rsa'
484 44 Andreas Steffen
Feb 19 10:52:02 raspi5 swanctl[21183]: loaded connection 'ecc'
485 44 Andreas Steffen
Feb 19 10:52:02 raspi5 swanctl[21183]: successfully loaded 2 connections, 0 unloaded
486 31 Andreas Steffen
</pre>
487 31 Andreas Steffen
488 31 Andreas Steffen
<pre>
489 44 Andreas Steffen
Feb 19 10:52:02 raspi5 systemd[1]: Started strongSwan IPsec IKEv1/IKEv2 daemon using swanctl.
490 31 Andreas Steffen
</pre>
491 31 Andreas Steffen
492 31 Andreas Steffen
The following *swanctl* command shows the two loaded connections
493 31 Andreas Steffen
<pre>
494 31 Andreas Steffen
swanctl --list-conns
495 31 Andreas Steffen
</pre>
496 31 Andreas Steffen
497 31 Andreas Steffen
<pre>
498 31 Andreas Steffen
rsa: IKEv2, reauthentication every 10800s, no rekeying
499 31 Andreas Steffen
  local:  10.10.0.105
500 31 Andreas Steffen
  remote: 10.10.0.104
501 31 Andreas Steffen
  local public key authentication:
502 31 Andreas Steffen
    id: C=US, O=TNC Demo, OU=AIK RSA, CN=raspi5.example.com
503 31 Andreas Steffen
    certs: C=US, O=TNC Demo, OU=AIK RSA, CN=raspi5.example.com
504 31 Andreas Steffen
  remote public key authentication:
505 31 Andreas Steffen
    id: raspi4.example.com
506 31 Andreas Steffen
  rsa: TRANSPORT, rekeying every 3600s or 300000000 bytes or 500000 packets
507 31 Andreas Steffen
    local:  dynamic
508 31 Andreas Steffen
    remote: dynamic
509 31 Andreas Steffen
</pre>
510 31 Andreas Steffen
511 31 Andreas Steffen
<pre>
512 31 Andreas Steffen
ecc: IKEv2, reauthentication every 10800s, no rekeying
513 31 Andreas Steffen
  local:  10.10.0.105
514 31 Andreas Steffen
  remote: 10.10.0.104
515 31 Andreas Steffen
  local public key authentication:
516 31 Andreas Steffen
    id: C=US, O=TNC Demo, OU=AIK ECC, CN=raspi5.example.com
517 31 Andreas Steffen
    certs: C=US, O=TNC Demo, OU=AIK ECC, CN=raspi5.example.com
518 31 Andreas Steffen
  remote public key authentication:
519 31 Andreas Steffen
    id: raspi4.example.com
520 31 Andreas Steffen
  ecc: TRANSPORT, rekeying every 3600s or 300000000 bytes or 500000 packets
521 31 Andreas Steffen
    local:  dynamic
522 32 Andreas Steffen
    remote: dynamic
523 31 Andreas Steffen
</pre>
524 31 Andreas Steffen
525 31 Andreas Steffen
The loaded certificates can also be displayed
526 31 Andreas Steffen
<pre>
527 31 Andreas Steffen
swanctl --list-certs
528 31 Andreas Steffen
</pre>
529 31 Andreas Steffen
530 31 Andreas Steffen
You can clearly see that the connection between the AK certificates and their matching AK private key has been established (..., has private key)
531 31 Andreas Steffen
<pre>
532 31 Andreas Steffen
List of X.509 End Entity Certificates
533 31 Andreas Steffen
534 31 Andreas Steffen
  subject:  "C=US, O=TNC Demo, OU=AIK RSA, CN=raspi5.example.com"
535 31 Andreas Steffen
  issuer:   "C=US, O=TNC Demo, CN=TNC Demo CA"
536 31 Andreas Steffen
  validity:  not before Feb 19 09:33:43 2017, ok
537 31 Andreas Steffen
             not after  Aug 29 10:33:43 2026, ok (expires in 3477 days)
538 31 Andreas Steffen
  serial:    11:57:33:3e:2a:8e:8a:32
539 31 Andreas Steffen
  altNames:  raspi5.example.com
540 31 Andreas Steffen
  authkeyId: 21:02:7e:2d:de:8b:77:48:75:de:56:2f:b5:d4:62:ec:c3:09:15:f2
541 31 Andreas Steffen
  subjkeyId: f4:9e:85:7d:de:4e:67:f5:fb:87:03:98:67:3f:20:7c:f3:3f:2b:66
542 31 Andreas Steffen
  pubkey:    RSA 2048 bits, has private key
543 31 Andreas Steffen
  keyid:     71:21:f5:d4:7e:59:4a:88:16:ca:57:85:98:3d:36:a7:b1:d5:75:fa
544 31 Andreas Steffen
  subjkey:   f4:9e:85:7d:de:4e:67:f5:fb:87:03:98:67:3f:20:7c:f3:3f:2b:66
545 31 Andreas Steffen
546 31 Andreas Steffen
  subject:  "C=US, O=TNC Demo, OU=AIK ECC, CN=raspi5.example.com"
547 31 Andreas Steffen
  issuer:   "C=US, O=TNC Demo, CN=TNC Demo CA"
548 31 Andreas Steffen
  validity:  not before Feb 17 23:17:19 2017, ok
549 31 Andreas Steffen
             not after  Aug 30 00:17:19 2026, ok (expires in 3478 days)
550 31 Andreas Steffen
  serial:    52:9d:3e:42:6f:71:63:3d
551 31 Andreas Steffen
  altNames:  raspi5.example.com
552 31 Andreas Steffen
  authkeyId: 21:02:7e:2d:de:8b:77:48:75:de:56:2f:b5:d4:62:ec:c3:09:15:f2
553 31 Andreas Steffen
  subjkeyId: c7:0e:63:f8:7f:6f:f6:55:00:e5:05:7f:5a:3e:6b:6c:e7:d2:d5:13
554 31 Andreas Steffen
  pubkey:    ECDSA 256 bits, has private key
555 31 Andreas Steffen
  keyid:     71:49:7c:42:41:e7:c6:81:bc:31:73:f0:0f:7e:4a:e1:2d:53:00:38
556 31 Andreas Steffen
  subjkey:   c7:0e:63:f8:7f:6f:f6:55:00:e5:05:7f:5a:3e:6b:6c:e7:d2:d5:13
557 31 Andreas Steffen
</pre>
558 31 Andreas Steffen
559 31 Andreas Steffen
<pre>
560 31 Andreas Steffen
List of X.509 CA Certificates
561 31 Andreas Steffen
562 31 Andreas Steffen
  subject:  "C=US, O=TNC Demo, CN=TNC Demo CA"
563 1 Andreas Steffen
  issuer:   "C=US, O=TNC Demo, CN=TNC Demo CA"
564 32 Andreas Steffen
  validity:  not before Aug 31 10:29:27 2016, ok
565 32 Andreas Steffen
             not after  Aug 31 10:29:27 2026, ok (expires in 3479 days)
566 43 Andreas Steffen
  serial:    02:c8:85:e1:ef:fa:8f:20
567 32 Andreas Steffen
  flags:     CA CRLSign self-signed 
568 38 Andreas Steffen
  subjkeyId: 21:02:7e:2d:de:8b:77:48:75:de:56:2f:b5:d4:62:ec:c3:09:15:f2
569 32 Andreas Steffen
  pubkey:    ECDSA 256 bits
570 32 Andreas Steffen
  keyid:     a1:b5:e0:29:d0:4c:a7:62:bd:ca:a3:b4:af:18:42:2c:4a:01:55:9a
571 32 Andreas Steffen
  subjkey:   21:02:7e:2d:de:8b:77:48:75:de:56:2f:b5:d4:62:ec:c3:09:15:f2
572 32 Andreas Steffen
</pre>
573 32 Andreas Steffen
574 32 Andreas Steffen
h2. IKEv2 Authentication with RSA AIK Certificate
575 32 Andreas Steffen
576 32 Andreas Steffen
With the following *swanctl* command the "rsa" connection is established
577 32 Andreas Steffen
<pre>
578 32 Andreas Steffen
swanctl --initiate --child rsa
579 32 Andreas Steffen
</pre>
580 32 Andreas Steffen
581 32 Andreas Steffen
<pre>
582 45 Andreas Steffen
Feb 19 10:52:21 raspi5 charon-systemd[21165]: vici initiate 'rsa'
583 32 Andreas Steffen
Feb 19 10:52:21 raspi5 charon-systemd[21165]: initiating IKE_SA rsa[1] to 10.10.0.104
584 40 Andreas Steffen
Feb 19 10:52:21 raspi5 charon-systemd[21165]: generating IKE_SA_INIT request 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) N(FRAG_SUP) N(HASH_ALG) N(REDIR_SUP) V ]
585 40 Andreas Steffen
Feb 19 10:52:21 raspi5 charon-systemd[21165]: sending packet: from 10.10.0.105[500] to 10.10.0.104[500] (1257 bytes)
586 32 Andreas Steffen
Feb 19 10:52:21 raspi5 charon-systemd[21165]: received packet: from 10.10.0.104[500] to 10.10.0.105[500] (1259 bytes)
587 32 Andreas Steffen
Feb 19 10:52:21 raspi5 charon-systemd[21165]: parsed IKE_SA_INIT response 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) CERTREQ N(HASH_ALG) V ]
588 32 Andreas Steffen
Feb 19 10:52:21 raspi5 charon-systemd[21165]: received strongSwan vendor ID
589 32 Andreas Steffen
Feb 19 10:52:21 raspi5 charon-systemd[21165]: received cert request for "C=US, O=TNC Demo, CN=TNC Demo CA"
590 32 Andreas Steffen
Feb 19 10:52:21 raspi5 charon-systemd[21165]: sending cert request for "C=US, O=TNC Demo, CN=TNC Demo CA"
591 32 Andreas Steffen
</pre>
592 32 Andreas Steffen
593 32 Andreas Steffen
The RSA AK private key stored in the TPM 2.0 is used to generate an *RSA_EMSA_PKCS1_SHA2_256* signature which is sent in the AUTH payload of the IKE_AUTH request. The matching client certificate is sent int the CERT payload.
594 32 Andreas Steffen
<pre>
595 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: authentication of 'C=US, O=TNC Demo, OU=AIK RSA, CN=raspi5.example.com' (myself) with RSA_EMSA_PKCS1_SHA2_256 successful
596 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: sending end entity cert "C=US, O=TNC Demo, OU=AIK RSA, CN=raspi5.example.com"
597 32 Andreas Steffen
</pre>
598 32 Andreas Steffen
<pre>
599 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: establishing CHILD_SA rsa
600 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: generating IKE_AUTH request 1 [ IDi CERT CERTREQ IDr AUTH N(USE_TRANSP) SA TSi TSr N(MOBIKE_SUP) N(ADD_6_ADDR) N(EAP_ONLY) N(MSG_ID_SYN_SUP) ]
601 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: sending packet: from 10.10.0.105[4500] to 10.10.0.104[4500] (1296 bytes)
602 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: received packet: from 10.10.0.104[4500] to 10.10.0.105[4500] (752 bytes)
603 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: parsed IKE_AUTH response 1 [ IDr CERT AUTH N(USE_TRANSP) SA TSi TSr N(AUTH_LFT) N(MOBIKE_SUP) N(NO_ADD_ADDR) ]
604 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: received end entity cert "C=US, O=TNC Demo, CN=raspi4.example.com"
605 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]:   using certificate "C=US, O=TNC Demo, CN=raspi4.example.com"
606 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]:   using trusted ca certificate "C=US, O=TNC Demo, CN=TNC Demo CA"
607 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]:   reached self-signed root ca with a path length of 0
608 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: authentication of 'raspi4.example.com' with ECDSA_WITH_SHA256_DER successful
609 38 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: IKE_SA rsa[1] established between 10.10.0.105[C=US, O=TNC Demo, OU=AIK RSA, CN=raspi5.example.com]...10.10.0.104[raspi4.example.com]
610 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: scheduling reauthentication in 10507s
611 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: maximum IKE_SA lifetime 11587s
612 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: CHILD_SA rsa{1} established with SPIs c23deb9d_i ce48d08e_o and TS 10.10.0.105/32 === 10.10.0.104/32
613 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: received AUTH_LIFETIME of 10103s, scheduling reauthentication in 9023s
614 32 Andreas Steffen
Feb 19 10:52:24 raspi5 charon-systemd[21165]: peer supports MOBIKE
615 32 Andreas Steffen
</pre>
616 32 Andreas Steffen
617 32 Andreas Steffen
The following *swanctl* command shows the established IPsec connection
618 32 Andreas Steffen
<pre>
619 32 Andreas Steffen
 swanctl --list-sas
620 32 Andreas Steffen
</pre>
621 32 Andreas Steffen
<pre>
622 32 Andreas Steffen
rsa: #1, ESTABLISHED, IKEv2, 7ba3b4d06c051ecb_i* 14e1769a8aeb7f28_r
623 32 Andreas Steffen
  local  'C=US, O=TNC Demo, OU=AIK RSA, CN=raspi5.example.com' @ 10.10.0.105[4500]
624 32 Andreas Steffen
  remote 'raspi4.example.com' @ 10.10.0.104[4500]
625 32 Andreas Steffen
  AES_CBC-128/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/CURVE_25519
626 32 Andreas Steffen
  established 252s ago, reauth in 8771s
627 38 Andreas Steffen
  rsa: #1, reqid 1, INSTALLED, TRANSPORT, ESP:AES_CBC-128/HMAC_SHA2_256_128
628 33 Andreas Steffen
    installed 252s ago, rekeying in 3258s, expires in 3708s
629 33 Andreas Steffen
    in  c23deb9d,    640 bytes,    10 packets,     3s ago
630 33 Andreas Steffen
    out ce48d08e,    640 bytes,    10 packets,     3s ago
631 33 Andreas Steffen
    local  10.10.0.105/32
632 33 Andreas Steffen
    remote 10.10.0.104/32
633 33 Andreas Steffen
</pre>
634 33 Andreas Steffen
635 33 Andreas Steffen
With this *swanctl* command the "rsa" connection is terminated
636 33 Andreas Steffen
<pre>
637 33 Andreas Steffen
swanctl --terminate --ike rsa
638 33 Andreas Steffen
</pre>
639 33 Andreas Steffen
640 33 Andreas Steffen
<pre>
641 33 Andreas Steffen
Feb 19 10:59:16 raspi5 charon-systemd[21165]: vici terminate IKE_SA 'rsa'
642 33 Andreas Steffen
Feb 19 10:59:16 raspi5 charon-systemd[21165]: deleting IKE_SA rsa[1] between 10.10.0.105[C=US, O=TNC Demo, OU=AIK RSA, CN=raspi5.example.com]...10.10.0.104[raspi4.example.com]
643 43 Andreas Steffen
Feb 19 10:59:16 raspi5 charon-systemd[21165]: sending DELETE for IKE_SA rsa[1]
644 32 Andreas Steffen
Feb 19 10:59:16 raspi5 charon-systemd[21165]: generating INFORMATIONAL request 2 [ D ]
645 38 Andreas Steffen
Feb 19 10:59:16 raspi5 charon-systemd[21165]: sending packet: from 10.10.0.105[4500] to 10.10.0.104[4500] (80 bytes)
646 32 Andreas Steffen
Feb 19 10:59:16 raspi5 charon-systemd[21165]: received packet: from 10.10.0.104[4500] to 10.10.0.105[4500] (80 bytes)
647 32 Andreas Steffen
Feb 19 10:59:16 raspi5 charon-systemd[21165]: parsed INFORMATIONAL response 2 [ ]
648 33 Andreas Steffen
Feb 19 10:59:16 raspi5 charon-systemd[21165]: IKE_SA deleted
649 33 Andreas Steffen
</pre>
650 33 Andreas Steffen
651 33 Andreas Steffen
h2. IKEv2 Authentication with ECC AIK Certificate
652 33 Andreas Steffen
653 33 Andreas Steffen
Next we initiate the "ecc" connection
654 33 Andreas Steffen
<pre>
655 33 Andreas Steffen
swanctl --initiate --child ecc
656 33 Andreas Steffen
</pre>
657 33 Andreas Steffen
658 33 Andreas Steffen
<pre>
659 45 Andreas Steffen
Feb 19 11:00:32 raspi5 charon-systemd[21165]: vici initiate 'ecc'
660 33 Andreas Steffen
Feb 19 11:00:32 raspi5 charon-systemd[21165]: initiating IKE_SA ecc[2] to 10.10.0.104
661 40 Andreas Steffen
Feb 19 11:00:32 raspi5 charon-systemd[21165]: generating IKE_SA_INIT request 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) N(FRAG_SUP) N(HASH_ALG) N(REDIR_SUP) V ]
662 40 Andreas Steffen
Feb 19 11:00:32 raspi5 charon-systemd[21165]: sending packet: from 10.10.0.105[500] to 10.10.0.104[500] (1257 bytes)
663 33 Andreas Steffen
Feb 19 11:00:32 raspi5 charon-systemd[21165]: received packet: from 10.10.0.104[500] to 10.10.0.105[500] (1259 bytes)
664 33 Andreas Steffen
Feb 19 11:00:32 raspi5 charon-systemd[21165]: parsed IKE_SA_INIT response 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) CERTREQ N(HASH_ALG) V ]
665 33 Andreas Steffen
Feb 19 11:00:32 raspi5 charon-systemd[21165]: received strongSwan vendor ID
666 33 Andreas Steffen
Feb 19 11:00:32 raspi5 charon-systemd[21165]: received cert request for "C=US, O=TNC Demo, CN=TNC Demo CA"
667 33 Andreas Steffen
Feb 19 11:00:32 raspi5 charon-systemd[21165]: sending cert request for "C=US, O=TNC Demo, CN=TNC Demo CA"
668 33 Andreas Steffen
</pre>
669 33 Andreas Steffen
670 33 Andreas Steffen
The ECC AK private key stored in the TPM 2.0 is used to generate an *ECDSA_WITH_SHA256_DER* signature which is sent in the AUTH payload of the IKE_AUTH request. The matching client certificate is sent int the CERT payload.
671 33 Andreas Steffen
<pre>
672 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: authentication of 'C=US, O=TNC Demo, OU=AIK ECC, CN=raspi5.example.com' (myself) with ECDSA_WITH_SHA256_DER successful
673 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: sending end entity cert "C=US, O=TNC Demo, OU=AIK ECC, CN=raspi5.example.com"
674 33 Andreas Steffen
</pre>
675 33 Andreas Steffen
<pre>
676 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: establishing CHILD_SA ecc
677 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: generating IKE_AUTH request 1 [ IDi CERT CERTREQ IDr AUTH N(USE_TRANSP) SA TSi TSr N(MOBIKE_SUP) N(ADD_6_ADDR) N(EAP_ONLY) N(MSG_ID_SYN_SUP) ]
678 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: sending packet: from 10.10.0.105[4500] to 10.10.0.104[4500] (912 bytes)
679 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: received packet: from 10.10.0.104[4500] to 10.10.0.105[4500] (752 bytes)
680 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: parsed IKE_AUTH response 1 [ IDr CERT AUTH N(USE_TRANSP) SA TSi TSr N(AUTH_LFT) N(MOBIKE_SUP) N(NO_ADD_ADDR) ]
681 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: received end entity cert "C=US, O=TNC Demo, CN=raspi4.example.com"
682 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]:   using certificate "C=US, O=TNC Demo, CN=raspi4.example.com"
683 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]:   using trusted ca certificate "C=US, O=TNC Demo, CN=TNC Demo CA"
684 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]:   reached self-signed root ca with a path length of 0
685 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: authentication of 'raspi4.example.com' with ECDSA_WITH_SHA256_DER successful
686 39 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: IKE_SA ecc[2] established between 10.10.0.105[C=US, O=TNC Demo, OU=AIK ECC, CN=raspi5.example.com]...10.10.0.104[raspi4.example.com]
687 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: scheduling reauthentication in 10180s
688 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: maximum IKE_SA lifetime 11260s
689 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: CHILD_SA ecc{2} established with SPIs c2c16cd0_i c47ea6f6_o and TS 10.10.0.105/32 === 10.10.0.104/32
690 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: received AUTH_LIFETIME of 9880s, scheduling reauthentication in 8800s
691 33 Andreas Steffen
Feb 19 11:00:34 raspi5 charon-systemd[21165]: peer supports MOBIKE
692 33 Andreas Steffen
</pre>
693 33 Andreas Steffen
694 33 Andreas Steffen
The establed IKE and CHILD SAs are displayed
695 33 Andreas Steffen
<pre>
696 33 Andreas Steffen
 swanctl --list-sas
697 33 Andreas Steffen
</pre>
698 33 Andreas Steffen
<pre>
699 33 Andreas Steffen
ecc: #2, ESTABLISHED, IKEv2, b7f2652777b0996a_i* 12282b5964ff0658_r
700 1 Andreas Steffen
  local  'C=US, O=TNC Demo, OU=AIK ECC, CN=raspi5.example.com' @ 10.10.0.105[4500]
701 1 Andreas Steffen
  remote 'raspi4.example.com' @ 10.10.0.104[4500]
702 34 Andreas Steffen
  AES_CBC-128/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/CURVE_25519
703 34 Andreas Steffen
  established 126s ago, reauth in 8674s
704 39 Andreas Steffen
  ecc: #2, reqid 2, INSTALLED, TRANSPORT, ESP:AES_CBC-128/HMAC_SHA2_256_128
705 34 Andreas Steffen
    installed 126s ago, rekeying in 3252s, expires in 3834s
706 34 Andreas Steffen
    in  c2c16cd0,    320 bytes,     5 packets,     2s ago
707 34 Andreas Steffen
    out c47ea6f6,    320 bytes,     5 packets,     2s ago
708 34 Andreas Steffen
    local  10.10.0.105/32
709 34 Andreas Steffen
    remote 10.10.0.104/32
710 34 Andreas Steffen
</pre>
711 34 Andreas Steffen
712 34 Andreas Steffen
The IKE and CHILD SAs are terminated
713 34 Andreas Steffen
<pre>
714 34 Andreas Steffen
swanctl --terminate --ike ecc
715 34 Andreas Steffen
</pre>
716 34 Andreas Steffen
717 34 Andreas Steffen
<pre>
718 34 Andreas Steffen
Feb 19 11:04:32 raspi5 charon-systemd[21165]: vici terminate IKE_SA 'ecc'
719 34 Andreas Steffen
Feb 19 11:04:32 raspi5 charon-systemd[21165]: deleting IKE_SA ecc[2] between 10.10.0.105[C=US, O=TNC Demo, OU=AIK ECC, CN=raspi5.example.com]...10.10.0.104[raspi4.example.com]
720 34 Andreas Steffen
Feb 19 11:04:32 raspi5 charon-systemd[21165]: sending DELETE for IKE_SA ecc[2]
721 34 Andreas Steffen
Feb 19 11:04:32 raspi5 charon-systemd[21165]: generating INFORMATIONAL request 2 [ D ]
722 39 Andreas Steffen
Feb 19 11:04:32 raspi5 charon-systemd[21165]: sending packet: from 10.10.0.105[4500] to 10.10.0.104[4500] (80 bytes)
723 34 Andreas Steffen
Feb 19 11:04:32 raspi5 charon-systemd[21165]: received packet: from 10.10.0.104[4500] to 10.10.0.105[4500] (80 bytes)
724 34 Andreas Steffen
Feb 19 11:04:32 raspi5 charon-systemd[21165]: parsed INFORMATIONAL response 2 [ ]
725 34 Andreas Steffen
Feb 19 11:04:32 raspi5 charon-systemd[21165]: IKE_SA deleted
726 1 Andreas Steffen
</pre>
727 39 Andreas Steffen
728 34 Andreas Steffen
h2. Stopping the strongSwan Daemon
729 34 Andreas Steffen
730 34 Andreas Steffen
Stop the *strongswan-swanctl* systemd service
731 34 Andreas Steffen
<pre>
732 1 Andreas Steffen
systemctl stop strongswan-swanctl
733 38 Andreas Steffen
</pre>
734 39 Andreas Steffen
735 34 Andreas Steffen
The strongSwan daemon is stopped
736 34 Andreas Steffen
<pre>
737 34 Andreas Steffen
Feb 19 11:06:02 raspi5 systemd[1]: Stopping strongSwan IPsec IKEv1/IKEv2 daemon using swanctl...
738 34 Andreas Steffen
Feb 19 11:06:02 raspi5 charon-systemd[21165]: SIGTERM received, shutting down
739 34 Andreas Steffen
Feb 19 11:06:02 raspi5 systemd[1]: Stopped strongSwan IPsec IKEv1/IKEv2 daemon using swanctl.
740 29 Andreas Steffen
</pre>
741 1 Andreas Steffen
742 1 Andreas Steffen
The two TPM sockets attaching the RSA and ECC AK private keys via the TPM 2.0 resource managers are released
743 1 Andreas Steffen
<pre>
744 1 Andreas Steffen
Feb 19 11:06:02 raspi5 resourcemgr[531]: TpmCmdServer died (TPM CMD), rval: 0x00000000, socket: 0x7.
745 1 Andreas Steffen
Feb 19 11:06:02 raspi5 resourcemgr[531]: OtherCmdServer died (Other CMD), socket: 0x6.
746 1 Andreas Steffen
Feb 19 11:06:02 raspi5 resourcemgr[531]: TpmCmdServer died (TPM CMD), rval: 0x00000000, socket: 0xd.
747 1 Andreas Steffen
Feb 19 11:06:02 raspi5 resourcemgr[531]: OtherCmdServer died (Other CMD), socket: 0xc.
748 1 Andreas Steffen
</pre>