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diff --git a/utils/README.md b/utils/README.md index 61204c6..8403ee0 100644 --- a/utils/README.md +++ b/utils/README.md @@ -15,6 +15,13 @@ On older CPUs, you can run the utilities ## Block encryption +The block encryption utilities can produce verbose human-readable output, +including round keys, intermediate initialization vector values, etc. +This is primarily intended for debugging purposes. +Enable verbose output by passing the `--verbose` flag to the utilities. +Please note that verbose output can only be produced when *not* using "boxes" +(the `--boxes` flag). + ### aes_encrypt_block.exe Encrypts 16-byte blocks using AES-128/192/256 in the specified mode of |