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  1. #!/bin/bash
  2. s='/dts-v1/;
  3.  
  4. / {
  5.  
  6.     signature {
  7.  
  8.         key-samkey {
  9.             required = "conf";
  10.             algo = "sha256,rsa4096";
  11.             rsa,r-squared = <xxxxxxxx>;
  12.             rsa,modulus = <xxxxxxxx>;
  13.             rsa,exponent = <0xxx 0xxxxxx>;
  14.             rsa,n0-inverse = <0xxxxxxxxx>;
  15.             rsa,num-bits = <0xxxxx>;
  16.             key-name-hint = "samkey";
  17.         };
  18.     };
  19. };'
  20. grep -Poz 'key-samkey\s*{[^{}]*}' <<< "$s"
Success #stdin #stdout 0s 4496KB
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key-samkey {
            required = "conf";
            algo = "sha256,rsa4096";
            rsa,r-squared = <xxxxxxxx>;
            rsa,modulus = <xxxxxxxx>;
            rsa,exponent = <0xxx 0xxxxxx>;
            rsa,n0-inverse = <0xxxxxxxxx>;
            rsa,num-bits = <0xxxxx>;
            key-name-hint = "samkey";
        }
https://ideone.com/5VbWqZ
language:
Bash (bash 5.0.3)
created:
6 years ago
visibility:
secret

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