[strongSwan] loading private key file is failing with charon, when trying to establish IPsec tunnel with certifiactes.

[Andreas Steffen]

Hi Bhargav,

your are still loading the PKCS#8 private key file:

charon: 00[LIB] L1 - modulus: ASN1 tag 0x02 expected, but is 0x30
 charon: 00[LIB] => 15 bytes @ 0x1200ac807
 charon: 00[LIB]    0: 30 0D 06 09 2A 86 48 86 F7 0D 01 01 01 05 00
0...*.H........

Regards

Andreas

On 06/03/2013 08:57 AM, bhargav p wrote:
> Hi Andreas,
> 
> I tried converting the private key from  PKCS#8 to PKCS#1, but still I
> am getting the same error:
> 
> CFPU-0 charon: 00[LIB]   -----BEGIN PRIVATE KEY-----
>  charon: 00[LIB]   -----END PRIVATE KEY-----
> charon: 00[LIB] L0 - RSAPrivateKey:
>  charon: 00[LIB] L1 - version:
>  charon: 00[LIB] => 1 bytes @ 0x1200ac806
>  charon: 00[LIB]    0: 00                                               .
>  charon: 00[LIB] L1 - modulus: ASN1 tag 0x02 expected, but is 0x30
>  charon: 00[LIB] => 15 bytes @ 0x1200ac807
>  charon: 00[LIB]    0: 30 0D 06 09 2A 86 48 86 F7 0D 01 01 01 05 00    
> 0...*.H........
>  charon: 00[LIB] building CRED_PRIVATE_KEY - RSA failed, tried 5 builders
>  charon: 00[CFG]   loading private key from
> '/etc/ipsec/certs/ipsec.d//private/defaultPrivateKey.pem' failed
>  charon: 00[LIB] plugin 'stroke': loaded successfully
>  charon: 00[LIB] plugin 'kernel-netlink': loaded successfully
> 
> 
> -Bhargav
> 
> 
> On Sat, Jun 1, 2013 at 3:17 AM, Andreas Steffen
> <andreas.steffen at strongswan.org <mailto:andreas.steffen at strongswan.org>>
> wrote:
> 
>     Hi Bhargav,
> 
>     The private key that you are trying to load is a PKCS#8 file,
>     a format being used by openssl 1.x.x. PKCS#8 support was introduced
>     with strongswan 4.6.2. So as a workaround either upgrade to a newer
>     strongSwan version or convert the private key from PKCS#8 to PKCS#1
>     using the following openssl command:
> 
>     openssl pkcs8 -nocrypt -in key8.pem -out key1.pem
> 
>     Regards
> 
>     Andreas
> 
>     On 05/31/2013 08:12 AM, bhargav p wrote:
>     > Hi,
>     >
>     > I am trying to establish the IPsec tunnel with certificates with
>     charon.
>     >
>     > From the logs the below error is thrown:
>     >
>     > L0 - RSAPrivateKey:
>     >  charon: 00[LIB] L1 - version:
>     >  charon: 00[LIB] => 1 bytes @ 0x1200ac406
>     >  charon: 00[LIB]    0: 00                                        
>           .
>     >  charon: 00[LIB] L1 - modulus: ASN1 tag 0x02 expected, but is 0x30
>     >  charon: 00[LIB] => 15 bytes @ 0x1200ac407
>     >  charon: 00[LIB]    0: 30 0D 06 09 2A 86 48 86 F7 0D 01 01 01 05 00
>     > 0...*.H........
>     > charon: 00[LIB] building CRED_PRIVATE_KEY - RSA failed, tried 5
>     builders
>     >  charon: 00[CFG]   loading private key from
>     > '/etc/ipsec/certs/ipsec.d//private/defaultPrivateKey.pem' failed
>     >  charon: 00[LIB] plugin 'stroke': loaded successfully
>     >  charon: 00[LIB] plugin 'kernel-netlink': loaded successfully
>     >  charon: 00[DMN] loaded plugins: openssl random pem x509 pubkey pkcs1
>     > hmac xcbc stroke kernel-netlink
>     > May 31 13:32:21.117438 info CLA-0 charon: 00[JOB] spawning 16
>     worker threads
>     > charon: 07[LIB]   file content is not binary ASN.1
>     >
>     > Can some one help me here.
>     >
>     > Using strongswan version:4.5.3
>     >
>     > cat defaultPrivateKey.pem
>     > -----BEGIN PRIVATE KEY-----
>     > MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQCyoayXeOOMy5rE
>     > tqdP56GJnNP29Ul1OSk7W8BS9Y6yZb0dlcL4NWhg4xbPk4zBZKR1FUsjKYUcNogE
>     > 33G5/muESiPzLWE8CeMGf6WrXH40W99kpIho204WsIJlLG3OCF2UQCXA/FGYJTqe
>     > ODKQzea0oxjEHzLdSxpYaCAggPeBuiZ5+2kf+hE+d1qxOYheFM0JGkduXr2F9I+f
>     > VMDAXk64uCG8v7z5DlTrYhgDr3WhRkzv+STIDuAvqiFaV26bpa7lqmpEcO5nrklF
>     > 3jJ8cDWSn+l390TIdg8pn4bJTyyfs9cYtpDpn0fndvuFvncbGAT+b5EifoUES6J9
>     > mmIBHioRAgMBAAECggEBAJZrxF2NI/jE3yA1OzDzObkbAfcc2G3I46qjeZGiTDZ3
>     > q8fE+/htaOblc6j6c/XKnR4m/y2t4fQ/C00nJ6pazwkIMbuuBAo9vRoU1Vo2ueO3
>     > Vad3UZMS0XAT1MoDnrd3ne2gEuquzrrS5sijRBlh+Zs1GD7Wkst8WcQGcr9MOp/W
>     > y9B+gOMb8QcoJkiyenKIGstyFFLUd8IWtzLpPVKYABfjw+qIFmZno2+Z3uWnE6jM
>     > h8J7sWFXQyBtcylhd9jxGpPn9gPkt4v9kWMe2+Pd7vCbRMQrVGx3hIuUSaLpeN11
>     > hLsCJGaSY+y4wd5P5cbL6/OveU0eEgUlQ5LYx5DngFECgYEA4CjtDmrAXnMZSbAW
>     > uriD9IjsEhBwY0xYQXteNq216NYAO27e+Hl6seXG1AIPKxpbA+y9ZwOQhDA9adCV
>     > fZHzd0k7QqVzEgyIo9gNa30zGIaPBG3DYKFK7bxg16MUt8K8HZKxCDG4b1gKjHJq
>     > 7G+6ANM5k3P22gLFgsgF8D34i8UCgYEAzAE2R0qzjcDa6+6cG0f9aikITl2d2TMZ
>     > pMC0hhy1YiSD7940QtxjnMD5dCGWYGnQhYLum78jMP49NpJcDfHfJC8QNp5vrPjq
>     > dVXqWdDDf+f64ck6GYvVs+7DzCQHcLdmruvmId5p73TrSaZIpRDA8aXizJr9XfDl
>     > sXRUSJlqjd0CgYB5pfwwLMLE/xWkJcnP/z6tQHlMvFshqFblAnx4lAD6oNhzaJHc
>     > qqBpVtd2Sr/Mlnr6QEnxU7/j3QIXILlf8gr8m2Nrobo2+1JUCHYP9Vv7XVrT/nVf
>     > RWkSZ37ux3QA3c+VBPzKA6Gh21euLJHWSjPZKsg+O1qlqYdimAaRADCYOQKBgC1o
>     > G6e0ldB4W4HmAzMDTAFkDqg6qBafDBcimUu8ehbVH9S09ZboLPfH7/4MN8dP5gzB
>     > ftCFs5SFEiTiYMDt1AfevdIaY6rxYGYrcFT7ZXhDrxCwVFE5UaCSBVybrFhHSgCn
>     > Gvrw4U1eDby/2S18VCW1EY0O9lQBeW6NAPGDzDa1AoGAFGpXEPZfEV0RbZO7dLMN
>     > O3x1Oz75HGdkLot3Cvc6RuLr8uxnQzGPTQ3FcNMnlLHnjhdmB+9rMpZlD3gmxKVv
>     > 73UfJd4+oP5VfWrAEcMAZCXrJsp1TjECwAp4Qrvv+aJZI+c9qYhRhuoTMHG+NLMK
>     > GMAIlLWjiZrkCZEtW15hD+o=
>     > -----END PRIVATE KEY-----
>     >
>     > --Bhargav

======================================================================
Andreas Steffen                         andreas.steffen at strongswan.org
strongSwan - the Open Source VPN Solution!          www.strongswan.org
Institute for Internet Technologies and Applications
University of Applied Sciences Rapperswil
CH-8640 Rapperswil (Switzerland)
===========================================================[ITA-HSR]==

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