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authorNicolas Boichat <drinkcat@google.com>2017-03-03 07:47:34 -0800
committerchrome-bot <chrome-bot@chromium.org>2017-03-16 11:25:47 -0700
commit236a70f726ae0a1f0e77312eb3e86418ca1eeda1 (patch)
treeb36efdf4c38f1ae1a1c686c5812beff7b2108f59 /board/hammer
parent39b605e9f271795e93823353a8cc204595770c99 (diff)
downloadchrome-ec-236a70f726ae0a1f0e77312eb3e86418ca1eeda1.tar.gz
hammer: Switch to RSA 3072 exp 3 key
Increasing key length from 2048 bits to 3072 bits provides more security, at the cost of about 2.25x the amount of time being spent in verification (roughly 100ms instead of 45ms). CQ-DEPEND=CL:449060 BRANCH=none BUG=b:35582031 TEST=Flash hammer, verification succeeds. Change-Id: I2ac7e87941c847bb4e9bd376034e6539988d1743 Reviewed-on: https://chromium-review.googlesource.com/449023 Commit-Ready: Nicolas Boichat <drinkcat@chromium.org> Tested-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'board/hammer')
-rw-r--r--board/hammer/board.h2
-rw-r--r--board/hammer/dev_key.pem62
2 files changed, 38 insertions, 26 deletions
diff --git a/board/hammer/board.h b/board/hammer/board.h
index d3108d03bf..a035ee2965 100644
--- a/board/hammer/board.h
+++ b/board/hammer/board.h
@@ -134,7 +134,7 @@
#define CONFIG_RWSIG_TYPE_RWSIG
#define CONFIG_RSA
#define CONFIG_SHA256
-#define CONFIG_RSA_KEY_SIZE 2048
+#define CONFIG_RSA_KEY_SIZE 3072
#define CONFIG_RSA_EXPONENT_3
/*
diff --git a/board/hammer/dev_key.pem b/board/hammer/dev_key.pem
index 4023bb3754..b72c787613 100644
--- a/board/hammer/dev_key.pem
+++ b/board/hammer/dev_key.pem
@@ -1,27 +1,39 @@
-----BEGIN RSA PRIVATE KEY-----
-MIIEogIBAAKCAQEAs7tkxv0lsE5oxDOj6R+oBgguIx5LfisMdbAuPOMYXhI4OQtR
-f+cI445RkLz4kR8rJrK5PNCmd6N2M1NPV3BZ3Qou3s4EQTJzljS47InTJxoI2+rT
-Y72iOawEH7ulm8khZGGLzXXfh6LwZYYux3chtTV3qXKjOtU3JmJn+J+dQU2vNfSi
-yB/zzpKU3S/Y8YemureP8mQBjTEcsYNLMtBlRAEvU+3VsgHoE6i4Jq88BR2rmzyG
-dy4T8XOnfpiSUxxuqDma5HHd0FmFfBn/nxWMZ5Oh7Axmedkj6I6YQGZuxPXumlqb
-iJ9+iCVmY3X141AUCyUOvMyRRxuUZwF5IfsTPwIBAwKCAQB30kMvU251iZstd8Kb
-anAEBXQXaYepcghOdXQol2WUDCV7XOD/71tCXuELKKW2FMdvIdDTNcRPwk7M4jTk
-9ZE+Bsnp3q2AzE0OzdCdsTdvZrCSnIztKRbRHVgVJ8O9MMDtll0zo+pabKBDrsna
-T2vOI6UbocInOM9u7EVQamjWMqvryYa+isXMsIwswZVeenls7Hxk/LfVXqCNUPtO
-z9nQolcx5cKhIrxrwfo4RIwPeCmzPLujeOv7NP3cJSiJJzKbm4IFitysF9XHskWI
-TLV21y1qH6vIySOLtTPF3Ib31JJ4ytb48LZcgbd5T4mT7AyeSOq2FPSEKzqA1MoO
-jgerAoGBAN8ARR0A5u4xv7dGkjmkEPaUcF9ZmsiZe3ruMRGuQhgACzu5mL8h8UD3
-Jwv3bEAYLVL51zCWy7WyhUrzgcjePBzyHbpJSeyl+rTlr1NfoG9rPdjyJ5ZbSlm+
-SGv+GAd24TSJScCmcwlp3mAecJuX6LDRHSMhIV3J49PWkcXu2V1/AoGBAM5UATup
-aNzpygtTez8/vvoC5HYBTiUzp7DvWMCOVoaLAnDPfHKeXIx63rTa3CnVvBoUijxr
-LPxGHt/A3wynJYXMsp2S16YoOw/q30PzAgzKEwTatU5xYRTYtl6Zg5zaVd5b4Jhs
-w2OThHMPDgvthVBMmouKi8S29ujPMIQdTKpBAoGBAJSq2L4AmfQhKnovDCZtYKRi
-9ZTmZzBmUlH0ILZ0LBAAB30mZdTBS4CkxLKk8tVlc4ymj3W53SPMWNyiVoXpfWih
-aSbbhp3D/HiZH4zqavTyKTtMGmQ83DvUMEf+uq+kliMGMSsZogZGlEAUSxJlRcs2
-E2zAwOkxQo05toP0kOj/AoGBAImNVifGReib3AeM/NTVKfwB7aQA3sN3xSCfkIBe
-5FmyAaCKUvcUPbL8lHiR6Bvj0rwNsX2cyKguvz/V6ghvblkzIb5h5RlwJ1/x6i1M
-rAiGt1iRzjRLlg3lzum7rRM8OT7n6xBIgkJiWEy0tAfzrjWIZwexsoMkpJs0ywK+
-MxwrAoGAEshRpAwZBMS+6O+i/bjnNFnCIJkgiaKZREgzySv2q9m5JHC26M+MOs2r
-v4F1ahybsPQyh+Xc7GzrbCtD3L9kv3TaomYDfuBtTg8qO3FrtEUSAaxwKUwo/Nfn
-ytl0nsGLXvv7U/mu9PtrSGb+Zcv7F/pHRFTkMyJXfL/ueVfL4NI=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-----END RSA PRIVATE KEY-----