diff options
Diffstat (limited to 'contrib/ldns/sha2.c')
| -rw-r--r-- | contrib/ldns/sha2.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/contrib/ldns/sha2.c b/contrib/ldns/sha2.c index 6ba4ab5..9a27122 100644 --- a/contrib/ldns/sha2.c +++ b/contrib/ldns/sha2.c @@ -546,9 +546,15 @@ void ldns_sha256_update(ldns_sha256_CTX* context, const sha2_byte *data, size_t usedspace = freespace = 0; } +typedef union _ldns_sha2_buffer_union { + uint8_t* theChars; + uint64_t* theLongs; +} ldns_sha2_buffer_union; + void ldns_sha256_final(sha2_byte digest[], ldns_sha256_CTX* context) { sha2_word32 *d = (sha2_word32*)digest; size_t usedspace; + ldns_sha2_buffer_union cast_var; /* Sanity check: */ assert(context != (ldns_sha256_CTX*)0); @@ -585,7 +591,8 @@ void ldns_sha256_final(sha2_byte digest[], ldns_sha256_CTX* context) { *context->buffer = 0x80; } /* Set the bit count: */ - *(sha2_word64*)&context->buffer[ldns_sha256_SHORT_BLOCK_LENGTH] = context->bitcount; + cast_var.theChars = context->buffer; + cast_var.theLongs[ldns_sha256_SHORT_BLOCK_LENGTH / 8] = context->bitcount; /* final transform: */ ldns_sha256_Transform(context, (sha2_word32*)context->buffer); @@ -850,6 +857,7 @@ void ldns_sha512_update(ldns_sha512_CTX* context, const sha2_byte *data, size_t static void ldns_sha512_Last(ldns_sha512_CTX* context) { size_t usedspace; + ldns_sha2_buffer_union cast_var; usedspace = (context->bitcount[0] >> 3) % LDNS_SHA512_BLOCK_LENGTH; #if BYTE_ORDER == LITTLE_ENDIAN @@ -882,8 +890,9 @@ static void ldns_sha512_Last(ldns_sha512_CTX* context) { *context->buffer = 0x80; } /* Store the length of input data (in bits): */ - *(sha2_word64*)&context->buffer[ldns_sha512_SHORT_BLOCK_LENGTH] = context->bitcount[1]; - *(sha2_word64*)&context->buffer[ldns_sha512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0]; + cast_var.theChars = context->buffer; + cast_var.theLongs[ldns_sha512_SHORT_BLOCK_LENGTH / 8] = context->bitcount[1]; + cast_var.theLongs[ldns_sha512_SHORT_BLOCK_LENGTH / 8 + 1] = context->bitcount[0]; /* final transform: */ ldns_sha512_Transform(context, (sha2_word64*)context->buffer); |
