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Diffstat (limited to 'node_modules/public-encrypt/withPublic.js')
| -rw-r--r-- | node_modules/public-encrypt/withPublic.js | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/node_modules/public-encrypt/withPublic.js b/node_modules/public-encrypt/withPublic.js new file mode 100644 index 0000000..417a1bf --- /dev/null +++ b/node_modules/public-encrypt/withPublic.js @@ -0,0 +1,12 @@ +var BN = require('bn.js') +var Buffer = require('safe-buffer').Buffer + +function withPublic (paddedMsg, key) { + return Buffer.from(paddedMsg + .toRed(BN.mont(key.modulus)) + .redPow(new BN(key.publicExponent)) + .fromRed() + .toArray()) +} + +module.exports = withPublic |