diff options
Diffstat (limited to 'apps')
-rw-r--r-- | apps/dgst.c | 44 |
1 files changed, 37 insertions, 7 deletions
diff --git a/apps/dgst.c b/apps/dgst.c index 55ba869c69..2e7b0792d8 100644 --- a/apps/dgst.c +++ b/apps/dgst.c @@ -66,6 +66,7 @@ #include <openssl/objects.h> #include <openssl/x509.h> #include <openssl/pem.h> +#include <openssl/hmac.h> #undef BUFSIZE #define BUFSIZE 1024*8 @@ -75,7 +76,7 @@ int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title, - const char *file); + const char *file,BIO *bmd,const char *hmac_key); int MAIN(int, char **); @@ -104,6 +105,7 @@ int MAIN(int argc, char **argv) #ifndef OPENSSL_NO_ENGINE char *engine=NULL; #endif + char *hmac_key=NULL; apps_startup(); @@ -189,6 +191,12 @@ int MAIN(int argc, char **argv) out_bin = 1; else if (strcmp(*argv,"-d") == 0) debug=1; + else if (!strcmp(*argv,"-hmac")) + { + if (--argc < 1) + break; + hmac_key=*++argv; + } else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL) md=m; else @@ -361,7 +369,7 @@ int MAIN(int argc, char **argv) { BIO_set_fp(in,stdin,BIO_NOCLOSE); err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, - siglen,"","(stdin)"); + siglen,"","(stdin)",bmd,hmac_key); } else { @@ -379,14 +387,15 @@ int MAIN(int argc, char **argv) } if(!out_bin) { - size_t len = strlen(name)+strlen(argv[i])+5; + size_t len = strlen(name)+strlen(argv[i])+(hmac_key ? 5 : 0)+5; tmp=tofree=OPENSSL_malloc(len); - BIO_snprintf(tmp,len,"%s(%s)= ",name,argv[i]); + BIO_snprintf(tmp,len,"%s%s(%s)= ", + hmac_key ? "HMAC-" : "",name,argv[i]); } else tmp=""; r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf, - siglen,tmp,argv[i]); + siglen,tmp,argv[i],bmd,hmac_key); if(r) err=r; if(tofree) @@ -413,11 +422,23 @@ end: int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title, - const char *file) + const char *file,BIO *bmd,const char *hmac_key) { - int len; + unsigned int len; int i; + EVP_MD_CTX *md_ctx; + HMAC_CTX hmac_ctx; + + if (hmac_key) + { + EVP_MD *md; + BIO_get_md(bmd,&md); + HMAC_CTX_init(&hmac_ctx); + HMAC_Init_ex(&hmac_ctx,hmac_key,strlen(hmac_key),md, NULL); + BIO_get_md_ctx(bmd,&md_ctx); + BIO_set_md_ctx(bmd,&hmac_ctx.md_ctx); + } for (;;) { i=BIO_read(bp,(char *)buf,BUFSIZE); @@ -460,6 +481,11 @@ int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, return 1; } } + else if(hmac_key) + { + HMAC_Final(&hmac_ctx,buf,&len); + HMAC_CTX_cleanup(&hmac_ctx); + } else len=BIO_gets(bp,(char *)buf,BUFSIZE); @@ -475,6 +501,10 @@ int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, } BIO_printf(out, "\n"); } + if (hmac_key) + { + BIO_set_md_ctx(bmd,md_ctx); + } return 0; } |