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Compare Key ID of RPM package with Key Fingerprint of RPM-GPG-KEY

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0

During work with RPM packages I frequently need to validate signatures against available GPG keys.

Using

rpm -qip --nosignature <package.rpm> | grep Signature

gives me an Key ID, i.e.:

Signature   : RSA/SHA1, Mon 28. Aug 2019 06:00:00 AM CET, Key ID 1234567890abcdef

whereby

gpg --with-fingerprint <RPM-GPG-KEY-package>

gives me a Key Fingerprint:

Key fingerprint = 0987 6543 21FE DCBA 0987 6543 21FE 1234 5678 90AB CDEF

Since it is not easy to compare both outputs, how to get the mentioned Key ID instead of the whole fingerprint?

rpm gpg key-authentication

share|improve this question

asked 30 mins ago

U880DU880D

43255 silver badges1717 bronze badges

add a comment | 

0

During work with RPM packages I frequently need to validate signatures against available GPG keys.

Using

rpm -qip --nosignature <package.rpm> | grep Signature

gives me an Key ID, i.e.:

Signature   : RSA/SHA1, Mon 28. Aug 2019 06:00:00 AM CET, Key ID 1234567890abcdef

whereby

gpg --with-fingerprint <RPM-GPG-KEY-package>

gives me a Key Fingerprint:

Key fingerprint = 0987 6543 21FE DCBA 0987 6543 21FE 1234 5678 90AB CDEF

Since it is not easy to compare both outputs, how to get the mentioned Key ID instead of the whole fingerprint?

rpm gpg key-authentication

share|improve this question

asked 30 mins ago

U880DU880D

43255 silver badges1717 bronze badges

add a comment | 

During work with RPM packages I frequently need to validate signatures against available GPG keys.

Using

rpm -qip --nosignature <package.rpm> | grep Signature

gives me an Key ID, i.e.:

Signature   : RSA/SHA1, Mon 28. Aug 2019 06:00:00 AM CET, Key ID 1234567890abcdef

whereby

gpg --with-fingerprint <RPM-GPG-KEY-package>

gives me a Key Fingerprint:

Key fingerprint = 0987 6543 21FE DCBA 0987 6543 21FE 1234 5678 90AB CDEF

Since it is not easy to compare both outputs, how to get the mentioned Key ID instead of the whole fingerprint?

rpm gpg key-authentication

share|improve this question

asked 30 mins ago

U880DU880D

43255 silver badges1717 bronze badges

rpm -qip --nosignature <package.rpm> | grep Signature

Signature   : RSA/SHA1, Mon 28. Aug 2019 06:00:00 AM CET, Key ID 1234567890abcdef

gpg --with-fingerprint <RPM-GPG-KEY-package>

Key fingerprint = 0987 6543 21FE DCBA 0987 6543 21FE 1234 5678 90AB CDEF

share|improve this question

asked 30 mins ago

U880DU880D

43255 silver badges1717 bronze badges

share|improve this question

asked 30 mins ago

U880DU880D

43255 silver badges1717 bronze badges

asked 30 mins ago

U880DU880D

43255 silver badges1717 bronze badges

asked 30 mins ago

U880DU880D

43255 silver badges1717 bronze badges

1 Answer
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During research I've found that the Key ID are usually the last 8 or 16 bytes of the Key Fingerprint. So I wanted to extract just them from the output. How to achieve that?

I've found the following approach which seems to be working:

keyID.sh

#! /bin/bash



KEY_PATH=$1

KEY_FINGERPRINT=$(gpg --with-fingerprint ${KEY_PATH} | grep "Key fingerprint" | cut -d "=" -f 2 | tr -d ' ' | tr '[:upper:]' '[:lower:]')



echo ${KEY_FINGERPRINT} | grep -o '.{8}$'

echo ${KEY_FINGERPRINT} | grep -o '.{16}$'

share|improve this answer

answered 26 mins ago

U880DU880D

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add a comment | 

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0

During research I've found that the Key ID are usually the last 8 or 16 bytes of the Key Fingerprint. So I wanted to extract just them from the output. How to achieve that?

I've found the following approach which seems to be working:

keyID.sh

#! /bin/bash



KEY_PATH=$1

KEY_FINGERPRINT=$(gpg --with-fingerprint ${KEY_PATH} | grep "Key fingerprint" | cut -d "=" -f 2 | tr -d ' ' | tr '[:upper:]' '[:lower:]')



echo ${KEY_FINGERPRINT} | grep -o '.{8}$'

echo ${KEY_FINGERPRINT} | grep -o '.{16}$'

share|improve this answer

answered 26 mins ago

U880DU880D

43255 silver badges1717 bronze badges

add a comment | 

0

During research I've found that the Key ID are usually the last 8 or 16 bytes of the Key Fingerprint. So I wanted to extract just them from the output. How to achieve that?

I've found the following approach which seems to be working:

keyID.sh

#! /bin/bash



KEY_PATH=$1

KEY_FINGERPRINT=$(gpg --with-fingerprint ${KEY_PATH} | grep "Key fingerprint" | cut -d "=" -f 2 | tr -d ' ' | tr '[:upper:]' '[:lower:]')



echo ${KEY_FINGERPRINT} | grep -o '.{8}$'

echo ${KEY_FINGERPRINT} | grep -o '.{16}$'

share|improve this answer

answered 26 mins ago

U880DU880D

43255 silver badges1717 bronze badges

add a comment | 

During research I've found that the Key ID are usually the last 8 or 16 bytes of the Key Fingerprint. So I wanted to extract just them from the output. How to achieve that?

I've found the following approach which seems to be working:

keyID.sh

#! /bin/bash



KEY_PATH=$1

KEY_FINGERPRINT=$(gpg --with-fingerprint ${KEY_PATH} | grep "Key fingerprint" | cut -d "=" -f 2 | tr -d ' ' | tr '[:upper:]' '[:lower:]')



echo ${KEY_FINGERPRINT} | grep -o '.{8}$'

echo ${KEY_FINGERPRINT} | grep -o '.{16}$'

share|improve this answer

answered 26 mins ago

U880DU880D

43255 silver badges1717 bronze badges

#! /bin/bash



KEY_PATH=$1

KEY_FINGERPRINT=$(gpg --with-fingerprint ${KEY_PATH} | grep "Key fingerprint" | cut -d "=" -f 2 | tr -d ' ' | tr '[:upper:]' '[:lower:]')



echo ${KEY_FINGERPRINT} | grep -o '.{8}$'

echo ${KEY_FINGERPRINT} | grep -o '.{16}$'

share|improve this answer

answered 26 mins ago

U880DU880D

43255 silver badges1717 bronze badges

answered 26 mins ago

U880DU880D

43255 silver badges1717 bronze badges

answered 26 mins ago

U880DU880D

43255 silver badges1717 bronze badges