[ptxdist] [PATCH 4/4] add options for recently added SHA256 and SHA512 hashes

[Alexander Dahl <post@lespocky.de>]

Make new hash functions available through ptxdist config menu.

Signed-off-by: Alexander Dahl <post@lespocky.de>
---
 rules/dropbear.in   |   26 ++++++++++++++++++++++++++
 rules/dropbear.make |   16 ++++++++++++++++
 2 files changed, 42 insertions(+), 0 deletions(-)

diff --git a/rules/dropbear.in b/rules/dropbear.in
index 8c878ec..21301ba 100644
--- a/rules/dropbear.in
+++ b/rules/dropbear.in
@@ -232,6 +232,32 @@ config DROPBEAR_SHA1_96
 	  Although slower than MD5, this larger digest size makes it
 	  stronger against brute force attacks.
 
+config DROPBEAR_SHA256
+	bool
+	prompt "sha256"
+	default n
+	help
+	  SHA-2 is a set of cryptographic hash functions (SHA-224, SHA-256,
+	  SHA-384, SHA-512) designed by the National Security Agency (NSA)
+	  and published in 2001 by the NIST as a U.S. Federal Information
+	  Processing Standard. SHA stands for Secure Hash Algorithm. SHA-2
+	  includes a significant number of changes from its predecessor,
+	  SHA-1. SHA-2 consists of a set of four hash functions with digests
+	  that are 224, 256, 384 or 512 bits.
+
+config DROPBEAR_SHA512
+	bool
+	prompt "sha512"
+	default n
+	help
+	  SHA-2 is a set of cryptographic hash functions (SHA-224, SHA-256,
+	  SHA-384, SHA-512) designed by the National Security Agency (NSA)
+	  and published in 2001 by the NIST as a U.S. Federal Information
+	  Processing Standard. SHA stands for Secure Hash Algorithm. SHA-2
+	  includes a significant number of changes from its predecessor,
+	  SHA-1. SHA-2 consists of a set of four hash functions with digests
+	  that are 224, 256, 384 or 512 bits.
+
 config DROPBEAR_MD5
 	bool
 	prompt "md5"
diff --git a/rules/dropbear.make b/rules/dropbear.make
index 2beb7ef..74f273f 100644
--- a/rules/dropbear.make
+++ b/rules/dropbear.make
@@ -181,6 +181,22 @@ else
 	@$(call disable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_SHA1_96_HMAC)
 endif
 
+ifdef PTXCONF_DROPBEAR_SHA256
+	@echo "ptxdist: enabling sha256"
+	@$(call enable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_SHA2_256_HMAC)
+else
+	@echo "ptxdist: disabling sha256"
+	@$(call disable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_SHA2_256_HMAC)
+endif
+
+ifdef PTXCONF_DROPBEAR_SHA512
+	@echo "ptxdist: enabling sha512"
+	@$(call enable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_SHA2_512_HMAC)
+else
+	@echo "ptxdist: disabling sha512"
+	@$(call disable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_SHA2_512_HMAC)
+endif
+
 ifdef PTXCONF_DROPBEAR_MD5
 	@echo "ptxdist: enabling md5"
 	@$(call enable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_MD5_HMAC)
-- 
1.7.2.5


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