diff options
Diffstat (limited to 'openssl/crypto/dsa/dsa_asn1.c')
| -rw-r--r-- | openssl/crypto/dsa/dsa_asn1.c | 96 |
1 files changed, 14 insertions, 82 deletions
diff --git a/openssl/crypto/dsa/dsa_asn1.c b/openssl/crypto/dsa/dsa_asn1.c index 0645facb4..c37460b2d 100644 --- a/openssl/crypto/dsa/dsa_asn1.c +++ b/openssl/crypto/dsa/dsa_asn1.c @@ -3,7 +3,7 @@ * project 2000. */ /* ==================================================================== - * Copyright (c) 2000 The OpenSSL Project. All rights reserved. + * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -61,24 +61,23 @@ #include <openssl/dsa.h> #include <openssl/asn1.h> #include <openssl/asn1t.h> -#include <openssl/bn.h> -#ifdef OPENSSL_FIPS -#include <openssl/fips.h> -#endif - /* Override the default new methods */ -static int sig_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it) +static int sig_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) { if(operation == ASN1_OP_NEW_PRE) { DSA_SIG *sig; sig = OPENSSL_malloc(sizeof(DSA_SIG)); + if (!sig) + { + DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE); + return 0; + } sig->r = NULL; sig->s = NULL; *pval = (ASN1_VALUE *)sig; - if(sig) return 2; - DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE); - return 0; + return 2; } return 1; } @@ -88,10 +87,11 @@ ASN1_SEQUENCE_cb(DSA_SIG, sig_cb) = { ASN1_SIMPLE(DSA_SIG, s, CBIGNUM) } ASN1_SEQUENCE_END_cb(DSA_SIG, DSA_SIG) -IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA_SIG,DSA_SIG,DSA_SIG) +IMPLEMENT_ASN1_FUNCTIONS_const(DSA_SIG) /* Override the default free and new methods */ -static int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it) +static int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) { if(operation == ASN1_OP_NEW_PRE) { *pval = (ASN1_VALUE *)DSA_new(); @@ -144,75 +144,7 @@ ASN1_CHOICE_cb(DSAPublicKey, dsa_cb) = { IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPublicKey, DSAPublicKey) -int DSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char *sig, - unsigned int *siglen, DSA *dsa) - { - DSA_SIG *s; -#ifdef OPENSSL_FIPS - if(FIPS_mode() && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) - { - DSAerr(DSA_F_DSA_SIGN, DSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE); - return 0; - } -#endif - s=DSA_do_sign(dgst,dlen,dsa); - if (s == NULL) - { - *siglen=0; - return(0); - } - *siglen=i2d_DSA_SIG(s,&sig); - DSA_SIG_free(s); - return(1); - } - -int DSA_size(const DSA *r) - { - int ret,i; - ASN1_INTEGER bs; - unsigned char buf[4]; /* 4 bytes looks really small. - However, i2d_ASN1_INTEGER() will not look - beyond the first byte, as long as the second - parameter is NULL. */ - - i=BN_num_bits(r->q); - bs.length=(i+7)/8; - bs.data=buf; - bs.type=V_ASN1_INTEGER; - /* If the top bit is set the asn1 encoding is 1 larger. */ - buf[0]=0xff; - - i=i2d_ASN1_INTEGER(&bs,NULL); - i+=i; /* r and s */ - ret=ASN1_object_size(1,i,V_ASN1_SEQUENCE); - return(ret); - } - -/* data has already been hashed (probably with SHA or SHA-1). */ -/* returns - * 1: correct signature - * 0: incorrect signature - * -1: error - */ -int DSA_verify(int type, const unsigned char *dgst, int dgst_len, - const unsigned char *sigbuf, int siglen, DSA *dsa) +DSA *DSAparams_dup(DSA *dsa) { - DSA_SIG *s; - int ret=-1; -#ifdef OPENSSL_FIPS - if(FIPS_mode() && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) - { - DSAerr(DSA_F_DSA_VERIFY, DSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE); - return 0; - } -#endif - - s = DSA_SIG_new(); - if (s == NULL) return(ret); - if (d2i_DSA_SIG(&s,&sigbuf,siglen) == NULL) goto err; - ret=DSA_do_verify(dgst,dgst_len,s,dsa); -err: - DSA_SIG_free(s); - return(ret); + return ASN1_item_dup(ASN1_ITEM_rptr(DSAparams), dsa); } - |