Re: [openssl-users] Where to find definitions of certain functions

[Salz, Rich]

> Hardly helps :(

➢ /usr/lib/i386-linux-gnu/libcrypto.a:a_time.o:0230 T 
ASN1_TIME_to_generalizedtime

Sure it does.  You know it's in a_time.c, which is crypto/asn1/a_time.c  And if 
you look in that file you see "IMPLEMENT_ASN1_FJUNCTIONS" with an ASN1_TIME 
argument.  So, start digging.


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Re: [openssl-users] Where to find definitions of certain functions

[Ajay Garg]

Hardly helps :(

*nm -o /usr/lib/i386-linux-gnu/libcrypto.a  | grep ASN1_TIME_t*
nm: ebcdic.o: no symbols
/usr/lib/i386-linux-gnu/libcrypto.a:a_time.o:0230 T
ASN1_TIME_to_generalizedtime
/usr/lib/i386-linux-gnu/libcrypto.a:ocsp_srv.o: U
ASN1_TIME_to_generalizedtime

On Sat, Oct 15, 2016 at 9:08 PM, Salz, Rich  wrote:

> > grep -r ASN1_TIME\( ~/openssl/openssl/
> > /home/ajay/openssl/openssl/crypto/asn1/a_time.c:int
> i2d_ASN1_TIME(ASN1_TIME *a, unsigned char **pp)
>
> > How to search for such symbols in the cloned source-code?
>
> Much of the ASN1 data structures are created by macros and it will not be
> immediately obvious to newcomers how it works.
>
> Your best bet is to use "nm -o" on the library and find the file, and then
> work backward from there.
>
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Re: [openssl-users] Where to find definitions of certain functions

[Salz, Rich]

> grep -r ASN1_TIME\( ~/openssl/openssl/
> /home/ajay/openssl/openssl/crypto/asn1/a_time.c:int i2d_ASN1_TIME(ASN1_TIME 
> *a, unsigned char **pp)

> How to search for such symbols in the cloned source-code?

Much of the ASN1 data structures are created by macros and it will not be 
immediately obvious to newcomers how it works.

Your best bet is to use "nm -o" on the library and find the file, and then work 
backward from there.

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Re: [openssl-users] Where to find definitions of certain functions

[Ajay Garg]

Thanks Matt.


That helped.


However, I am now searching for symbols like ASN_TIME_it, but I get nothing
useful ::

*grep -r ASN1_TIME_it ~/openssl/openssl/*
/home/ajay/openssl/openssl/util/libeay.num:ASN1_TIME_it2715
EXIST:!EXPORT_VAR_AS_FUNCTION:VARIABLE:
/home/ajay/openssl/openssl/util/libeay.num:ASN1_TIME_it2715
EXIST:EXPORT_VAR_AS_FUNCTION:FUNCTION:

*grep -r ASN1_TIME\( ~/openssl/openssl/*
/home/ajay/openssl/openssl/crypto/asn1/a_time.c:int i2d_ASN1_TIME(ASN1_TIME
*a, unsigned char **pp)


How to search for such symbols in the cloned source-code?

On Sat, Oct 15, 2016 at 6:20 PM, Matt Caswell  wrote:

>
>
> On 15/10/16 13:43, Ajay Garg wrote:
> > Hi All.
> >
> > I plan to integrate openssl in our client-side-framework, so that we can
> > remove all the unneeded stuff (as the TLS-versions, and
> > certificate-management is controlled by the server only, which is only a
> > limited subset amongst the vast feature-set of openssl).
> >
> > As part of this, I am first bringing in *all* code into our framework,
> > to the extent that the code compiles as the first stage.
> > My progress is going mostly fine, however I am stuck as I am unable to
> > retrieve the definitions of certain symbols (macros I guess), such as ::
> >
> >   ASN1_OCTET_STRING_free
> >   ASN1_OCTET_STRING_new
> >
> >
> > There are others too, but I guess that if I can be known how to retrieve
> > the above definitions, then others will follow similarly.
> > So, will be grateful to hear from you experts :)
>
> See:
>
> https://github.com/openssl/openssl/blob/master/crypto/asn1/tasn_typ.c
>
> Matt
>
>
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Re: [openssl-users] Where to find definitions of certain functions

[Matt Caswell]

On 15/10/16 13:43, Ajay Garg wrote:
> Hi All.
> 
> I plan to integrate openssl in our client-side-framework, so that we can
> remove all the unneeded stuff (as the TLS-versions, and
> certificate-management is controlled by the server only, which is only a
> limited subset amongst the vast feature-set of openssl).
> 
> As part of this, I am first bringing in *all* code into our framework,
> to the extent that the code compiles as the first stage.
> My progress is going mostly fine, however I am stuck as I am unable to
> retrieve the definitions of certain symbols (macros I guess), such as ::
> 
>   ASN1_OCTET_STRING_free
>   ASN1_OCTET_STRING_new
> 
> 
> There are others too, but I guess that if I can be known how to retrieve
> the above definitions, then others will follow similarly.
> So, will be grateful to hear from you experts :)

See:

https://github.com/openssl/openssl/blob/master/crypto/asn1/tasn_typ.c

Matt


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[openssl-users] Where to find definitions of certain functions

[Ajay Garg]

Hi All.

I plan to integrate openssl in our client-side-framework, so that we can
remove all the unneeded stuff (as the TLS-versions, and
certificate-management is controlled by the server only, which is only a
limited subset amongst the vast feature-set of openssl).

As part of this, I am first bringing in *all* code into our framework, to
the extent that the code compiles as the first stage.
My progress is going mostly fine, however I am stuck as I am unable to
retrieve the definitions of certain symbols (macros I guess), such as ::

  ASN1_OCTET_STRING_free
  ASN1_OCTET_STRING_new


There are others too, but I guess that if I can be known how to retrieve
the above definitions, then others will follow similarly.
So, will be grateful to hear from you experts :)


Thanks and Regards,
Ajay
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Re: [openssl-users] Check if key is unlocked

[shawn wilson]

Blah, auto complete bit me - sorry, wrong ml / ot :(

On Oct 14, 2016 10:45, "Salz, Rich"  wrote:

> > Is there a way to to check (from a script) if a key in the agent is
> unlocked?
>
> Agent?  Do you mean ssh?  This is openssl :)
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