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| author | Marcelo Cerri <marcelo.cerri@canonical.com> | 2016-09-23 21:31:56 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-10-02 16:31:53 +0200 |
| commit | 74ff6cb3aa438490ad8f8432e7b68dbcfa5ca449 (patch) | |
| tree | 8c81f86d0ef3bbef1ceec93d0da8ca95a1d74a87 /arch/powerpc/crypto | |
| parent | crypto: gcm - Fix IV buffer size in crypto_gcm_setkey (diff) | |
| download | linux-74ff6cb3aa438490ad8f8432e7b68dbcfa5ca449.tar.xz linux-74ff6cb3aa438490ad8f8432e7b68dbcfa5ca449.zip | |
crypto: sha1-powerpc - little-endian support
The driver does not handle endianness properly when loading the input
data.
Signed-off-by: Marcelo Cerri <marcelo.cerri@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/powerpc/crypto')
| -rw-r--r-- | arch/powerpc/crypto/sha1-powerpc-asm.S | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/powerpc/crypto/sha1-powerpc-asm.S b/arch/powerpc/crypto/sha1-powerpc-asm.S index 125e16520061..82ddc9bdfeb1 100644 --- a/arch/powerpc/crypto/sha1-powerpc-asm.S +++ b/arch/powerpc/crypto/sha1-powerpc-asm.S @@ -7,6 +7,15 @@ #include <asm/ppc_asm.h> #include <asm/asm-offsets.h> +#ifdef __BIG_ENDIAN__ +#define LWZ(rt, d, ra) \ + lwz rt,d(ra) +#else +#define LWZ(rt, d, ra) \ + li rt,d; \ + lwbrx rt,rt,ra +#endif + /* * We roll the registers for T, A, B, C, D, E around on each * iteration; T on iteration t is A on iteration t+1, and so on. @@ -23,7 +32,7 @@ #define W(t) (((t)%16)+16) #define LOADW(t) \ - lwz W(t),(t)*4(r4) + LWZ(W(t),(t)*4,r4) #define STEPD0_LOAD(t) \ andc r0,RD(t),RB(t); \ @@ -33,7 +42,7 @@ add r0,RE(t),r15; \ add RT(t),RT(t),r6; \ add r14,r0,W(t); \ - lwz W((t)+4),((t)+4)*4(r4); \ + LWZ(W((t)+4),((t)+4)*4,r4); \ rotlwi RB(t),RB(t),30; \ add RT(t),RT(t),r14 |