diff options
Diffstat (limited to 'openssl/crypto/ecdsa')
| -rw-r--r-- | openssl/crypto/ecdsa/Makefile | 46 | ||||
| -rw-r--r-- | openssl/crypto/ecdsa/ecdsa.h | 193 | ||||
| -rw-r--r-- | openssl/crypto/ecdsa/ecdsatest.c | 2 | ||||
| -rw-r--r-- | openssl/crypto/ecdsa/ecs_err.c | 2 | ||||
| -rw-r--r-- | openssl/crypto/ecdsa/ecs_ossl.c | 54 | ||||
| -rw-r--r-- | openssl/crypto/ecdsa/ecs_sign.c | 2 |
6 files changed, 140 insertions, 159 deletions
diff --git a/openssl/crypto/ecdsa/Makefile b/openssl/crypto/ecdsa/Makefile index 4865f3c8d..e89e0c010 100644 --- a/openssl/crypto/ecdsa/Makefile +++ b/openssl/crypto/ecdsa/Makefile @@ -34,7 +34,7 @@ top: all: lib lib: $(LIBOBJ) - $(ARX) $(LIB) $(LIBOBJ) + $(AR) $(LIB) $(LIBOBJ) $(RANLIB) $(LIB) || echo Never mind. @touch lib @@ -97,14 +97,13 @@ ecs_lib.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h ecs_lib.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h ecs_lib.o: ../../include/openssl/ecdsa.h ../../include/openssl/engine.h ecs_lib.o: ../../include/openssl/err.h ../../include/openssl/evp.h -ecs_lib.o: ../../include/openssl/fips.h ../../include/openssl/lhash.h -ecs_lib.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h -ecs_lib.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h -ecs_lib.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h -ecs_lib.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h -ecs_lib.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h -ecs_lib.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h -ecs_lib.o: ecs_lib.c ecs_locl.h +ecs_lib.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h +ecs_lib.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h +ecs_lib.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +ecs_lib.o: ../../include/openssl/pkcs7.h ../../include/openssl/safestack.h +ecs_lib.o: ../../include/openssl/sha.h ../../include/openssl/stack.h +ecs_lib.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h +ecs_lib.o: ../../include/openssl/x509_vfy.h ecs_lib.c ecs_locl.h ecs_ossl.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h ecs_ossl.o: ../../include/openssl/bn.h ../../include/openssl/crypto.h ecs_ossl.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h @@ -119,24 +118,23 @@ ecs_sign.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h ecs_sign.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h ecs_sign.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h ecs_sign.o: ../../include/openssl/engine.h ../../include/openssl/evp.h -ecs_sign.o: ../../include/openssl/fips.h ../../include/openssl/lhash.h -ecs_sign.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h -ecs_sign.o: ../../include/openssl/opensslconf.h +ecs_sign.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h +ecs_sign.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h ecs_sign.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h -ecs_sign.o: ../../include/openssl/pkcs7.h ../../include/openssl/safestack.h -ecs_sign.o: ../../include/openssl/sha.h ../../include/openssl/stack.h -ecs_sign.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h -ecs_sign.o: ../../include/openssl/x509_vfy.h ecs_locl.h ecs_sign.c +ecs_sign.o: ../../include/openssl/pkcs7.h ../../include/openssl/rand.h +ecs_sign.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h +ecs_sign.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h +ecs_sign.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h +ecs_sign.o: ecs_locl.h ecs_sign.c ecs_vrf.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h ecs_vrf.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h ecs_vrf.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h ecs_vrf.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h ecs_vrf.o: ../../include/openssl/engine.h ../../include/openssl/evp.h -ecs_vrf.o: ../../include/openssl/fips.h ../../include/openssl/lhash.h -ecs_vrf.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h -ecs_vrf.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h -ecs_vrf.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h -ecs_vrf.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h -ecs_vrf.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h -ecs_vrf.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h -ecs_vrf.o: ecs_locl.h ecs_vrf.c +ecs_vrf.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h +ecs_vrf.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h +ecs_vrf.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +ecs_vrf.o: ../../include/openssl/pkcs7.h ../../include/openssl/safestack.h +ecs_vrf.o: ../../include/openssl/sha.h ../../include/openssl/stack.h +ecs_vrf.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h +ecs_vrf.o: ../../include/openssl/x509_vfy.h ecs_locl.h ecs_vrf.c diff --git a/openssl/crypto/ecdsa/ecdsa.h b/openssl/crypto/ecdsa/ecdsa.h index f20c8ee73..e61c53981 100644 --- a/openssl/crypto/ecdsa/ecdsa.h +++ b/openssl/crypto/ecdsa/ecdsa.h @@ -4,7 +4,7 @@ * \author Written by Nils Larsch for the OpenSSL project */ /* ==================================================================== - * Copyright (c) 2000-2003 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 @@ -81,156 +81,143 @@ typedef struct ECDSA_SIG_st BIGNUM *s; } ECDSA_SIG; -/** ECDSA_SIG *ECDSA_SIG_new(void) - * allocates and initialize a ECDSA_SIG structure - * \return pointer to a ECDSA_SIG structure or NULL if an error occurred +/** Allocates and initialize a ECDSA_SIG structure + * \return pointer to a ECDSA_SIG structure or NULL if an error occurred */ ECDSA_SIG *ECDSA_SIG_new(void); -/** ECDSA_SIG_free - * frees a ECDSA_SIG structure - * \param a pointer to the ECDSA_SIG structure +/** frees a ECDSA_SIG structure + * \param sig pointer to the ECDSA_SIG structure */ -void ECDSA_SIG_free(ECDSA_SIG *a); +void ECDSA_SIG_free(ECDSA_SIG *sig); -/** i2d_ECDSA_SIG - * DER encode content of ECDSA_SIG object (note: this function modifies *pp - * (*pp += length of the DER encoded signature)). - * \param a pointer to the ECDSA_SIG object - * \param pp pointer to a unsigned char pointer for the output or NULL - * \return the length of the DER encoded ECDSA_SIG object or 0 +/** DER encode content of ECDSA_SIG object (note: this function modifies *pp + * (*pp += length of the DER encoded signature)). + * \param sig pointer to the ECDSA_SIG object + * \param pp pointer to a unsigned char pointer for the output or NULL + * \return the length of the DER encoded ECDSA_SIG object or 0 */ -int i2d_ECDSA_SIG(const ECDSA_SIG *a, unsigned char **pp); +int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp); -/** d2i_ECDSA_SIG - * decodes a DER encoded ECDSA signature (note: this function changes *pp - * (*pp += len)). - * \param v pointer to ECDSA_SIG pointer (may be NULL) - * \param pp buffer with the DER encoded signature - * \param len bufferlength - * \return pointer to the decoded ECDSA_SIG structure (or NULL) +/** Decodes a DER encoded ECDSA signature (note: this function changes *pp + * (*pp += len)). + * \param sig pointer to ECDSA_SIG pointer (may be NULL) + * \param pp memory buffer with the DER encoded signature + * \param len length of the buffer + * \return pointer to the decoded ECDSA_SIG structure (or NULL) */ -ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **v, const unsigned char **pp, long len); +ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len); -/** ECDSA_do_sign - * computes the ECDSA signature of the given hash value using - * the supplied private key and returns the created signature. - * \param dgst pointer to the hash value - * \param dgst_len length of the hash value - * \param eckey pointer to the EC_KEY object containing a private EC key - * \return pointer to a ECDSA_SIG structure or NULL +/** Computes the ECDSA signature of the given hash value using + * the supplied private key and returns the created signature. + * \param dgst pointer to the hash value + * \param dgst_len length of the hash value + * \param eckey EC_KEY object containing a private EC key + * \return pointer to a ECDSA_SIG structure or NULL if an error occurred */ ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst,int dgst_len,EC_KEY *eckey); -/** ECDSA_do_sign_ex - * computes ECDSA signature of a given hash value using the supplied - * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). - * \param dgst pointer to the hash value to sign - * \param dgstlen length of the hash value - * \param kinv optional pointer to a pre-computed inverse k - * \param rp optional pointer to the pre-computed rp value (see - * ECDSA_sign_setup - * \param eckey pointer to the EC_KEY object containing a private EC key - * \return pointer to a ECDSA_SIG structure or NULL +/** Computes ECDSA signature of a given hash value using the supplied + * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). + * \param dgst pointer to the hash value to sign + * \param dgstlen length of the hash value + * \param kinv BIGNUM with a pre-computed inverse k (optional) + * \param rp BIGNUM with a pre-computed rp value (optioanl), + * see ECDSA_sign_setup + * \param eckey EC_KEY object containing a private EC key + * \return pointer to a ECDSA_SIG structure or NULL if an error occurred */ ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen, const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey); -/** ECDSA_do_verify - * verifies that the supplied signature is a valid ECDSA - * signature of the supplied hash value using the supplied public key. - * \param dgst pointer to the hash value - * \param dgst_len length of the hash value - * \param sig pointer to the ECDSA_SIG structure - * \param eckey pointer to the EC_KEY object containing a public EC key - * \return 1 if the signature is valid, 0 if the signature is invalid and -1 on error +/** Verifies that the supplied signature is a valid ECDSA + * signature of the supplied hash value using the supplied public key. + * \param dgst pointer to the hash value + * \param dgst_len length of the hash value + * \param sig ECDSA_SIG structure + * \param eckey EC_KEY object containing a public EC key + * \return 1 if the signature is valid, 0 if the signature is invalid + * and -1 on error */ int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, const ECDSA_SIG *sig, EC_KEY* eckey); const ECDSA_METHOD *ECDSA_OpenSSL(void); -/** ECDSA_set_default_method - * sets the default ECDSA method - * \param meth the new default ECDSA_METHOD +/** Sets the default ECDSA method + * \param meth new default ECDSA_METHOD */ void ECDSA_set_default_method(const ECDSA_METHOD *meth); -/** ECDSA_get_default_method - * returns the default ECDSA method - * \return pointer to ECDSA_METHOD structure containing the default method +/** Returns the default ECDSA method + * \return pointer to ECDSA_METHOD structure containing the default method */ const ECDSA_METHOD *ECDSA_get_default_method(void); -/** ECDSA_set_method - * sets method to be used for the ECDSA operations - * \param eckey pointer to the EC_KEY object - * \param meth pointer to the new method - * \return 1 on success and 0 otherwise +/** Sets method to be used for the ECDSA operations + * \param eckey EC_KEY object + * \param meth new method + * \return 1 on success and 0 otherwise */ int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth); -/** ECDSA_size - * returns the maximum length of the DER encoded signature - * \param eckey pointer to a EC_KEY object - * \return numbers of bytes required for the DER encoded signature +/** Returns the maximum length of the DER encoded signature + * \param eckey EC_KEY object + * \return numbers of bytes required for the DER encoded signature */ int ECDSA_size(const EC_KEY *eckey); -/** ECDSA_sign_setup - * precompute parts of the signing operation. - * \param eckey pointer to the EC_KEY object containing a private EC key - * \param ctx pointer to a BN_CTX object (may be NULL) - * \param kinv pointer to a BIGNUM pointer for the inverse of k - * \param rp pointer to a BIGNUM pointer for x coordinate of k * generator - * \return 1 on success and 0 otherwise +/** Precompute parts of the signing operation + * \param eckey EC_KEY object containing a private EC key + * \param ctx BN_CTX object (optional) + * \param kinv BIGNUM pointer for the inverse of k + * \param rp BIGNUM pointer for x coordinate of k * generator + * \return 1 on success and 0 otherwise */ int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **rp); -/** ECDSA_sign - * computes ECDSA signature of a given hash value using the supplied - * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). - * \param type this parameter is ignored - * \param dgst pointer to the hash value to sign - * \param dgstlen length of the hash value - * \param sig buffer to hold the DER encoded signature - * \param siglen pointer to the length of the returned signature - * \param eckey pointer to the EC_KEY object containing a private EC key - * \return 1 on success and 0 otherwise +/** Computes ECDSA signature of a given hash value using the supplied + * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). + * \param type this parameter is ignored + * \param dgst pointer to the hash value to sign + * \param dgstlen length of the hash value + * \param sig memory for the DER encoded created signature + * \param siglen pointer to the length of the returned signature + * \param eckey EC_KEY object containing a private EC key + * \return 1 on success and 0 otherwise */ int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen, unsigned char *sig, unsigned int *siglen, EC_KEY *eckey); -/** ECDSA_sign_ex - * computes ECDSA signature of a given hash value using the supplied - * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). - * \param type this parameter is ignored - * \param dgst pointer to the hash value to sign - * \param dgstlen length of the hash value - * \param sig buffer to hold the DER encoded signature - * \param siglen pointer to the length of the returned signature - * \param kinv optional pointer to a pre-computed inverse k - * \param rp optional pointer to the pre-computed rp value (see - * ECDSA_sign_setup - * \param eckey pointer to the EC_KEY object containing a private EC key - * \return 1 on success and 0 otherwise +/** Computes ECDSA signature of a given hash value using the supplied + * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). + * \param type this parameter is ignored + * \param dgst pointer to the hash value to sign + * \param dgstlen length of the hash value + * \param sig buffer to hold the DER encoded signature + * \param siglen pointer to the length of the returned signature + * \param kinv BIGNUM with a pre-computed inverse k (optional) + * \param rp BIGNUM with a pre-computed rp value (optioanl), + * see ECDSA_sign_setup + * \param eckey EC_KEY object containing a private EC key + * \return 1 on success and 0 otherwise */ int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen, unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey); -/** ECDSA_verify - * verifies that the given signature is valid ECDSA signature - * of the supplied hash value using the specified public key. - * \param type this parameter is ignored - * \param dgst pointer to the hash value - * \param dgstlen length of the hash value - * \param sig pointer to the DER encoded signature - * \param siglen length of the DER encoded signature - * \param eckey pointer to the EC_KEY object containing a public EC key - * \return 1 if the signature is valid, 0 if the signature is invalid and -1 on error +/** Verifies that the given signature is valid ECDSA signature + * of the supplied hash value using the specified public key. + * \param type this parameter is ignored + * \param dgst pointer to the hash value + * \param dgstlen length of the hash value + * \param sig pointer to the DER encoded signature + * \param siglen length of the DER encoded signature + * \param eckey EC_KEY object containing a public EC key + * \return 1 if the signature is valid, 0 if the signature is invalid + * and -1 on error */ int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen, const unsigned char *sig, int siglen, EC_KEY *eckey); diff --git a/openssl/crypto/ecdsa/ecdsatest.c b/openssl/crypto/ecdsa/ecdsatest.c index b07e31252..aa4e1481a 100644 --- a/openssl/crypto/ecdsa/ecdsatest.c +++ b/openssl/crypto/ecdsa/ecdsatest.c @@ -490,7 +490,7 @@ err: if (ret) ERR_print_errors(out); CRYPTO_cleanup_all_ex_data(); - ERR_remove_state(0); + ERR_remove_thread_state(NULL); ERR_free_strings(); CRYPTO_mem_leaks(out); if (out != NULL) diff --git a/openssl/crypto/ecdsa/ecs_err.c b/openssl/crypto/ecdsa/ecs_err.c index d2a53730e..98e38d537 100644 --- a/openssl/crypto/ecdsa/ecs_err.c +++ b/openssl/crypto/ecdsa/ecs_err.c @@ -1,6 +1,6 @@ /* crypto/ecdsa/ecs_err.c */ /* ==================================================================== - * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. + * Copyright (c) 1999-2006 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 diff --git a/openssl/crypto/ecdsa/ecs_ossl.c b/openssl/crypto/ecdsa/ecs_ossl.c index 3ead1af94..551cf5068 100644 --- a/openssl/crypto/ecdsa/ecs_ossl.c +++ b/openssl/crypto/ecdsa/ecs_ossl.c @@ -212,7 +212,7 @@ err: static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dgst_len, const BIGNUM *in_kinv, const BIGNUM *in_r, EC_KEY *eckey) { - int ok = 0; + int ok = 0, i; BIGNUM *kinv=NULL, *s, *m=NULL,*tmp=NULL,*order=NULL; const BIGNUM *ckinv; BN_CTX *ctx = NULL; @@ -251,22 +251,19 @@ static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dgst_len, ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_EC_LIB); goto err; } - if (8 * dgst_len > BN_num_bits(order)) + i = BN_num_bits(order); + /* Need to truncate digest if it is too long: first truncate whole + * bytes. + */ + if (8 * dgst_len > i) + dgst_len = (i + 7)/8; + if (!BN_bin2bn(dgst, dgst_len, m)) { - /* XXX - * - * Should provide for optional hash truncation: - * Keep the BN_num_bits(order) leftmost bits of dgst - * (see March 2006 FIPS 186-3 draft, which has a few - * confusing errors in this part though) - */ - - ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, - ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE); + ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB); goto err; } - - if (!BN_bin2bn(dgst, dgst_len, m)) + /* If still too long truncate remaining bits with a shift */ + if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) { ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB); goto err; @@ -346,7 +343,7 @@ err: static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len, const ECDSA_SIG *sig, EC_KEY *eckey) { - int ret = -1; + int ret = -1, i; BN_CTX *ctx; BIGNUM *order, *u1, *u2, *m, *X; EC_POINT *point = NULL; @@ -384,21 +381,6 @@ static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len, ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB); goto err; } - if (8 * dgst_len > BN_num_bits(order)) - { - /* XXX - * - * Should provide for optional hash truncation: - * Keep the BN_num_bits(order) leftmost bits of dgst - * (see March 2006 FIPS 186-3 draft, which has a few - * confusing errors in this part though) - */ - - ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, - ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE); - ret = 0; - goto err; - } if (BN_is_zero(sig->r) || BN_is_negative(sig->r) || BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s) || @@ -415,11 +397,23 @@ static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len, goto err; } /* digest -> m */ + i = BN_num_bits(order); + /* Need to truncate digest if it is too long: first truncate whole + * bytes. + */ + if (8 * dgst_len > i) + dgst_len = (i + 7)/8; if (!BN_bin2bn(dgst, dgst_len, m)) { ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB); goto err; } + /* If still too long truncate remaining bits with a shift */ + if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) + { + ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB); + goto err; + } /* u1 = m * tmp mod order */ if (!BN_mod_mul(u1, m, u2, order, ctx)) { diff --git a/openssl/crypto/ecdsa/ecs_sign.c b/openssl/crypto/ecdsa/ecs_sign.c index 74b1fe8ca..353d5af51 100644 --- a/openssl/crypto/ecdsa/ecs_sign.c +++ b/openssl/crypto/ecdsa/ecs_sign.c @@ -57,6 +57,7 @@ #ifndef OPENSSL_NO_ENGINE #include <openssl/engine.h> #endif +#include <openssl/rand.h> ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey) { @@ -83,6 +84,7 @@ int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char EC_KEY *eckey) { ECDSA_SIG *s; + RAND_seed(dgst, dlen); s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey); if (s == NULL) { |