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-rw-r--r--README18
1 files changed, 18 insertions, 0 deletions
diff --git a/README b/README
index 5810ced1d..4d9dd57cc 100644
--- a/README
+++ b/README
@@ -827,6 +827,7 @@ The following options need to be configured:
CONFIG_CMD_GETTIME * Get time since boot
CONFIG_CMD_GO * the 'go' command (exec code)
CONFIG_CMD_GREPENV * search environment
+ CONFIG_CMD_HASH * calculate hash / digest
CONFIG_CMD_HWFLOW * RTS/CTS hw flow control
CONFIG_CMD_I2C * I2C serial bus support
CONFIG_CMD_IDE * IDE harddisk support
@@ -2411,6 +2412,23 @@ CBFS (Coreboot Filesystem) support
A better solution is to properly configure the firewall,
but sometimes that is not allowed.
+- Hashing support:
+ CONFIG_CMD_HASH
+
+ This enables a generic 'hash' command which can produce
+ hashes / digests from a few algorithms (e.g. SHA1, SHA256).
+
+ CONFIG_HASH_VERIFY
+
+ Enable the hash verify command (hash -v). This adds to code
+ size a little.
+
+ CONFIG_SHA1 - support SHA1 hashing
+ CONFIG_SHA256 - support SHA256 hashing
+
+ Note: There is also a sha1sum command, which should perhaps
+ be deprecated in favour of 'hash sha1'.
+
- Show boot progress:
CONFIG_SHOW_BOOT_PROGRESS