Script to rename bouncycastle files to be spongycastle. From https://github.com/rtyley/spongycastle/

become-spongy.sh

#!/bin/bash 

# no further use for remaining crypto stuff

rm -Rf crypto

# Package rename org.bouncycastle to org.spongycastle
    
find -name bouncycastle | xargs rename s/bouncycastle/spongycastle/
find bc* -type f | xargs sed -i s/bouncycastle/spongycastle/g

# BC to SC for provider name
    
find bc* -type f | xargs sed -i s/\"BC\"/\"SC\"/g

# Rename 'bc' artifacts to 'sc'
    
rename s/^bc/sc/ *
find -name 'pom.xml' | xargs sed -i s/\>bc/\>sc/g

# Rename maven artifact 'names' to use Spongy rather than Bouncy

find -name 'pom.xml' | xargs sed -i s/\>Bouncy/\>Spongy/g