crypto: rmd128 - remove RIPE-MD 128 hash algorithm

RIPE-MD 128 is never referenced anywhere in the kernel, and unlikely to be depended upon by userspace via AF_ALG. So let's remove it. Signed-off-by: Ard Biesheuvel <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
kawasaki · Jan 29, 2021 · b21b9a5 · b21b9a5
1 parent c114cf7
commit b21b9a5
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Showing 7 changed files with 1 addition and 506 deletions.
diff --git a/crypto/Kconfig b/crypto/Kconfig
@@ -817,19 +817,6 @@ config CRYPTO_MICHAEL_MIC
 	  should not be used for other purposes because of the weakness
 	  of the algorithm.
 
-config CRYPTO_RMD128
-	tristate "RIPEMD-128 digest algorithm"
-	select CRYPTO_HASH
-	help
-	  RIPEMD-128 (ISO/IEC 10118-3:2004).
-
-	  RIPEMD-128 is a 128-bit cryptographic hash function. It should only
-	  be used as a secure replacement for RIPEMD. For other use cases,
-	  RIPEMD-160 should be used.
-
-	  Developed by Hans Dobbertin, Antoon Bosselaers and Bart Preneel.
-	  See <https://homes.esat.kuleuven.be/~bosselae/ripemd160.html>
-
 config CRYPTO_RMD160
 	tristate "RIPEMD-160 digest algorithm"
 	select CRYPTO_HASH

diff --git a/crypto/Makefile b/crypto/Makefile
@@ -67,7 +67,6 @@ obj-$(CONFIG_CRYPTO_XCBC) += xcbc.o
 obj-$(CONFIG_CRYPTO_NULL2) += crypto_null.o
 obj-$(CONFIG_CRYPTO_MD4) += md4.o
 obj-$(CONFIG_CRYPTO_MD5) += md5.o
-obj-$(CONFIG_CRYPTO_RMD128) += rmd128.o
 obj-$(CONFIG_CRYPTO_RMD160) += rmd160.o
 obj-$(CONFIG_CRYPTO_RMD256) += rmd256.o
 obj-$(CONFIG_CRYPTO_RMD320) += rmd320.o

diff --git a/crypto/ripemd.h b/crypto/ripemd.h
@@ -6,9 +6,6 @@
 #ifndef _CRYPTO_RMD_H
 #define _CRYPTO_RMD_H
 
-#define RMD128_DIGEST_SIZE      16
-#define RMD128_BLOCK_SIZE       64
-
 #define RMD160_DIGEST_SIZE      20
 #define RMD160_BLOCK_SIZE       64
 

diff --git a/crypto/rmd128.c b/crypto/rmd128.c