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authorDavid Kalnischkies <kalnischkies@gmail.com>2012-04-20 09:53:24 +0200
committerDavid Kalnischkies <kalnischkies@gmail.com>2012-04-20 09:53:24 +0200
commit5149632eb5af0831a8728e8bb5d5c483d6e3f147 (patch)
tree17212422b57862650249948f4934e2227fce4b83 /apt-pkg/contrib/sha2_internal.cc
parent858fd39f6adea6353e9367759cf48ae2b439ffcc (diff)
* apt-pkg/contrib/sha2_internal.cc:
- do not use the input data directly but memcpy it instead as it could be unaligned as in the http-transport which causes a sigbus error on sparc (Closes: #669061)
Diffstat (limited to 'apt-pkg/contrib/sha2_internal.cc')
-rw-r--r--apt-pkg/contrib/sha2_internal.cc8
1 files changed, 6 insertions, 2 deletions
diff --git a/apt-pkg/contrib/sha2_internal.cc b/apt-pkg/contrib/sha2_internal.cc
index 6d27e8f2b..83b5a98d3 100644
--- a/apt-pkg/contrib/sha2_internal.cc
+++ b/apt-pkg/contrib/sha2_internal.cc
@@ -552,7 +552,9 @@ void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
}
while (len >= SHA256_BLOCK_LENGTH) {
/* Process as many complete blocks as we can */
- SHA256_Transform(context, (sha2_word32*)data);
+ sha2_byte buffer[SHA256_BLOCK_LENGTH];
+ MEMCPY_BCOPY(buffer, data, SHA256_BLOCK_LENGTH);
+ SHA256_Transform(context, (sha2_word32*)buffer);
context->bitcount += SHA256_BLOCK_LENGTH << 3;
len -= SHA256_BLOCK_LENGTH;
data += SHA256_BLOCK_LENGTH;
@@ -879,7 +881,9 @@ void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) {
}
while (len >= SHA512_BLOCK_LENGTH) {
/* Process as many complete blocks as we can */
- SHA512_Transform(context, (sha2_word64*)data);
+ sha2_byte buffer[SHA512_BLOCK_LENGTH];
+ MEMCPY_BCOPY(buffer, data, SHA512_BLOCK_LENGTH);
+ SHA512_Transform(context, (sha2_word64*)buffer);
ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
len -= SHA512_BLOCK_LENGTH;
data += SHA512_BLOCK_LENGTH;