diff options
Diffstat (limited to 'openssl/crypto/evp/bio_md.c')
| -rw-r--r-- | openssl/crypto/evp/bio_md.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/openssl/crypto/evp/bio_md.c b/openssl/crypto/evp/bio_md.c index ed5c1135f..9841e32e1 100644 --- a/openssl/crypto/evp/bio_md.c +++ b/openssl/crypto/evp/bio_md.c @@ -130,8 +130,8 @@ static int md_read(BIO *b, char *out, int outl) { if (ret > 0) { - EVP_DigestUpdate(ctx,(unsigned char *)out, - (unsigned int)ret); + if (EVP_DigestUpdate(ctx,(unsigned char *)out, + (unsigned int)ret)<=0) return (-1); } } BIO_clear_retry_flags(b); @@ -157,8 +157,11 @@ static int md_write(BIO *b, const char *in, int inl) (unsigned int)ret); } } - BIO_clear_retry_flags(b); - BIO_copy_next_retry(b); + if(b->next_bio != NULL) + { + BIO_clear_retry_flags(b); + BIO_copy_next_retry(b); + } return(ret); } @@ -194,6 +197,7 @@ static long md_ctrl(BIO *b, int cmd, long num, void *ptr) case BIO_C_GET_MD_CTX: pctx=ptr; *pctx=ctx; + b->init = 1; break; case BIO_C_SET_MD_CTX: if (b->init) @@ -249,7 +253,9 @@ static int md_gets(BIO *bp, char *buf, int size) ctx=bp->ptr; if (size < ctx->digest->md_size) return(0); - EVP_DigestFinal_ex(ctx,(unsigned char *)buf,&ret); + if (EVP_DigestFinal_ex(ctx,(unsigned char *)buf,&ret)<=0) + return -1; + return((int)ret); } |