Support for ecdsa, ecdh and curve25519-donna options.
Signed-off-by: Bruno Thomsen <[email protected]>
---
rules/dropbear.in | 27 +++++++++++++++++++++++++++
rules/dropbear.make | 24 ++++++++++++++++++++++++
2 files changed, 51 insertions(+)
diff --git a/rules/dropbear.in b/rules/dropbear.in
index 21301ba..c99d432 100644
--- a/rules/dropbear.in
+++ b/rules/dropbear.in
@@ -288,6 +288,33 @@ config DROPBEAR_DSS
key size). In contrast, RSA signature length is a function
of the key length employed.
+config DROPBEAR_ECDSA
+ bool
+ prompt "ecdsa"
+ default n
+ help
+ ECDSA stands for Elliptic Curve Digital Signature Algorithm.
+ ECDSA is significantly faster than RSA or DSS.
+
+config DROPBEAR_ECDH
+ bool
+ prompt "ecdh"
+ default n
+ help
+ ECDH stands for Elliptic Curve Diffie-Hellman.
+
+config DROPBEAR_CURVE25519
+ bool
+ depends on DROPBEAR_ECDSA || DROPBEAR_ECDH
+ prompt "curve25519-donna"
+ default n
+ help
+ Enable curve25519-donna for key exchange.
+ This is another elliptic curve method with good security properties.
+ This algorithm does not rely on NIST-based curves
+ and gives us more security confidence against a possible
+ backdoor in nistp-256 curve.
+
comment "Authentication types, at least one required --- RFC Draft requires
pubkey auth"
config DROPBEAR_PASSWD
diff --git a/rules/dropbear.make b/rules/dropbear.make
index 5ab6fd3..5cbd4aa 100644
--- a/rules/dropbear.make
+++ b/rules/dropbear.make
@@ -222,6 +222,30 @@ else
@$(call disable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_DSS)
endif
+ifdef PTXCONF_DROPBEAR_ECDSA
+ @echo "ptxdist: enabling ecdsa"
+ @$(call enable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_ECDSA)
+else
+ @echo "ptxdist: disabling ecdsa"
+ @$(call disable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_ECDSA)
+endif
+
+ifdef PTXCONF_DROPBEAR_ECDH
+ @echo "ptxdist: enabling ecdh"
+ @$(call enable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_ECDH)
+else
+ @echo "ptxdist: disabling ecdh"
+ @$(call disable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_ECDH)
+endif
+
+ifdef PTXCONF_DROPBEAR_CURVE25519
+ @echo "ptxdist: enabling curve25519"
+ @$(call enable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_CURVE25519)
+else
+ @echo "ptxdist: disabling curve25519"
+ @$(call disable_c, $(DROPBEAR_DIR)/options.h,DROPBEAR_CURVE25519)
+endif
+
ifdef PTXCONF_DROPBEAR_PASSWD
@echo "ptxdist: enabling passwd"
@$(call enable_c, $(DROPBEAR_DIR)/options.h,ENABLE_SVR_PASSWORD_AUTH)
--
1.7.9.5
--
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