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fail if trying to encrypt using an empty input buffer

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git@daemon.de
2014-12-22 16:23:38 +01:00
parent 533ca6b993
commit 3061192193
1 changed files with 8 additions and 0 deletions
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8
libpcp/crypto.c
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@@ -437,6 +437,14 @@ size_t pcp_encrypt_stream_sym(PCPCTX *ptx, Pcpstream *in, Pcpstream *out, byte *
byte *hash = NULL; byte *hash = NULL;
byte head[1]; byte head[1];
if(in->is_buffer) {
if(buffer_size(in->b) == 0) {
/* FIXME: add a ps_stream function for this */
fatal(ptx, "Empty input stream buffer at %p!\n", in->b);
return 0;
}
}
if(recsign != NULL) { if(recsign != NULL) {
st = ucmalloc(sizeof(crypto_generichash_state)); st = ucmalloc(sizeof(crypto_generichash_state));
hash = ucmalloc(crypto_generichash_BYTES_MAX); hash = ucmalloc(crypto_generichash_BYTES_MAX);