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Adapt x509write_crt.c to coding style

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Avoid lines longer than 80 characters and fix indentation.
This commit is contained in:
Hanno Becker 2019-05-04 07:37:58 +01:00
parent 75d9a333ce
commit 6ad3fd105c
1 changed files with 115 additions and 68 deletions
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183
library/x509write_crt.c
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@ -64,39 +64,44 @@ void mbedtls_x509write_crt_free( mbedtls_x509write_cert *ctx )
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_x509write_cert ) ); mbedtls_platform_zeroize( ctx, sizeof( mbedtls_x509write_cert ) );
} }
void mbedtls_x509write_crt_set_version( mbedtls_x509write_cert *ctx, int version ) void mbedtls_x509write_crt_set_version( mbedtls_x509write_cert *ctx,
int version )
{ {
ctx->version = version; ctx->version = version;
} }
void mbedtls_x509write_crt_set_md_alg( mbedtls_x509write_cert *ctx, mbedtls_md_type_t md_alg ) void mbedtls_x509write_crt_set_md_alg( mbedtls_x509write_cert *ctx,
mbedtls_md_type_t md_alg )
{ {
ctx->md_alg = md_alg; ctx->md_alg = md_alg;
} }
void mbedtls_x509write_crt_set_subject_key( mbedtls_x509write_cert *ctx, mbedtls_pk_context *key ) void mbedtls_x509write_crt_set_subject_key( mbedtls_x509write_cert *ctx,
mbedtls_pk_context *key )
{ {
ctx->subject_key = key; ctx->subject_key = key;
} }
void mbedtls_x509write_crt_set_issuer_key( mbedtls_x509write_cert *ctx, mbedtls_pk_context *key ) void mbedtls_x509write_crt_set_issuer_key( mbedtls_x509write_cert *ctx,
mbedtls_pk_context *key )
{ {
ctx->issuer_key = key; ctx->issuer_key = key;
} }
int mbedtls_x509write_crt_set_subject_name( mbedtls_x509write_cert *ctx, int mbedtls_x509write_crt_set_subject_name( mbedtls_x509write_cert *ctx,
const char *subject_name ) const char *subject_name )
{ {
return mbedtls_x509_string_to_names( &ctx->subject, subject_name ); return mbedtls_x509_string_to_names( &ctx->subject, subject_name );
} }
int mbedtls_x509write_crt_set_issuer_name( mbedtls_x509write_cert *ctx, int mbedtls_x509write_crt_set_issuer_name( mbedtls_x509write_cert *ctx,
const char *issuer_name ) const char *issuer_name )
{ {
return mbedtls_x509_string_to_names( &ctx->issuer, issuer_name ); return mbedtls_x509_string_to_names( &ctx->issuer, issuer_name );
} }
int mbedtls_x509write_crt_set_serial( mbedtls_x509write_cert *ctx, const mbedtls_mpi *serial ) int mbedtls_x509write_crt_set_serial( mbedtls_x509write_cert *ctx,
const mbedtls_mpi *serial )
{ {
int ret; int ret;
@ -106,8 +111,9 @@ int mbedtls_x509write_crt_set_serial( mbedtls_x509write_cert *ctx, const mbedtls
return( 0 ); return( 0 );
} }
int mbedtls_x509write_crt_set_validity( mbedtls_x509write_cert *ctx, const char *not_before, int mbedtls_x509write_crt_set_validity( mbedtls_x509write_cert *ctx,
const char *not_after ) const char *not_before,
const char *not_after )
{ {
if( strlen( not_before ) != MBEDTLS_X509_RFC5280_UTC_TIME_LEN - 1 || if( strlen( not_before ) != MBEDTLS_X509_RFC5280_UTC_TIME_LEN - 1 ||
strlen( not_after ) != MBEDTLS_X509_RFC5280_UTC_TIME_LEN - 1 ) strlen( not_after ) != MBEDTLS_X509_RFC5280_UTC_TIME_LEN - 1 )
@ -127,12 +133,12 @@ int mbedtls_x509write_crt_set_extension( mbedtls_x509write_cert *ctx,
int critical, int critical,
const unsigned char *val, size_t val_len ) const unsigned char *val, size_t val_len )
{ {
return mbedtls_x509_set_extension( &ctx->extensions, oid, oid_len, return( mbedtls_x509_set_extension( &ctx->extensions, oid, oid_len,
critical, val, val_len ); critical, val, val_len ) );
} }
int mbedtls_x509write_crt_set_basic_constraints( mbedtls_x509write_cert *ctx, int mbedtls_x509write_crt_set_basic_constraints( mbedtls_x509write_cert *ctx,
int is_ca, int max_pathlen ) int is_ca, int max_pathlen )
{ {
int ret; int ret;
unsigned char buf[9]; unsigned char buf[9];
@ -148,18 +154,21 @@ int mbedtls_x509write_crt_set_basic_constraints( mbedtls_x509write_cert *ctx,
{ {
if( max_pathlen >= 0 ) if( max_pathlen >= 0 )
{ {
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_int( &c, buf, max_pathlen ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_int( &c, buf,
max_pathlen ) );
} }
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_bool( &c, buf, 1 ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_bool( &c, buf, 1 ) );
} }
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, buf, MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, buf,
MBEDTLS_ASN1_CONSTRUCTED |
MBEDTLS_ASN1_SEQUENCE ) ); MBEDTLS_ASN1_SEQUENCE ) );
return mbedtls_x509write_crt_set_extension( ctx, MBEDTLS_OID_BASIC_CONSTRAINTS, return(
MBEDTLS_OID_SIZE( MBEDTLS_OID_BASIC_CONSTRAINTS ), mbedtls_x509write_crt_set_extension( ctx, MBEDTLS_OID_BASIC_CONSTRAINTS,
0, buf + sizeof(buf) - len, len ); MBEDTLS_OID_SIZE( MBEDTLS_OID_BASIC_CONSTRAINTS ),
0, buf + sizeof(buf) - len, len ) );
} }
#if defined(MBEDTLS_SHA1_C) #if defined(MBEDTLS_SHA1_C)
@ -171,7 +180,8 @@ int mbedtls_x509write_crt_set_subject_key_identifier( mbedtls_x509write_cert *ct
size_t len = 0; size_t len = 0;
memset( buf, 0, sizeof(buf) ); memset( buf, 0, sizeof(buf) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_pk_write_pubkey( &c, buf, ctx->subject_key ) ); MBEDTLS_ASN1_CHK_ADD( len,
mbedtls_pk_write_pubkey( &c, buf, ctx->subject_key ) );
ret = mbedtls_sha1_ret( buf + sizeof( buf ) - len, len, ret = mbedtls_sha1_ret( buf + sizeof( buf ) - len, len,
buf + sizeof( buf ) - 20 ); buf + sizeof( buf ) - 20 );
@ -181,11 +191,13 @@ int mbedtls_x509write_crt_set_subject_key_identifier( mbedtls_x509write_cert *ct
len = 20; len = 20;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, buf, MBEDTLS_ASN1_OCTET_STRING ) ); MBEDTLS_ASN1_CHK_ADD( len,
mbedtls_asn1_write_tag( &c, buf, MBEDTLS_ASN1_OCTET_STRING ) );
return mbedtls_x509write_crt_set_extension( ctx, MBEDTLS_OID_SUBJECT_KEY_IDENTIFIER, return mbedtls_x509write_crt_set_extension( ctx,
MBEDTLS_OID_SIZE( MBEDTLS_OID_SUBJECT_KEY_IDENTIFIER ), MBEDTLS_OID_SUBJECT_KEY_IDENTIFIER,
0, buf + sizeof(buf) - len, len ); MBEDTLS_OID_SIZE( MBEDTLS_OID_SUBJECT_KEY_IDENTIFIER ),
0, buf + sizeof(buf) - len, len );
} }
int mbedtls_x509write_crt_set_authority_key_identifier( mbedtls_x509write_cert *ctx ) int mbedtls_x509write_crt_set_authority_key_identifier( mbedtls_x509write_cert *ctx )
@ -196,7 +208,8 @@ int mbedtls_x509write_crt_set_authority_key_identifier( mbedtls_x509write_cert *
size_t len = 0; size_t len = 0;
memset( buf, 0, sizeof(buf) ); memset( buf, 0, sizeof(buf) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_pk_write_pubkey( &c, buf, ctx->issuer_key ) ); MBEDTLS_ASN1_CHK_ADD( len,
mbedtls_pk_write_pubkey( &c, buf, ctx->issuer_key ) );
ret = mbedtls_sha1_ret( buf + sizeof( buf ) - len, len, ret = mbedtls_sha1_ret( buf + sizeof( buf ) - len, len,
buf + sizeof( buf ) - 20 ); buf + sizeof( buf ) - 20 );
@ -206,15 +219,19 @@ int mbedtls_x509write_crt_set_authority_key_identifier( mbedtls_x509write_cert *
len = 20; len = 20;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, buf, MBEDTLS_ASN1_CONTEXT_SPECIFIC | 0 ) ); MBEDTLS_ASN1_CHK_ADD( len,
mbedtls_asn1_write_tag( &c, buf, MBEDTLS_ASN1_CONTEXT_SPECIFIC | 0 ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, buf, MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_CHK_ADD( len,
MBEDTLS_ASN1_SEQUENCE ) ); mbedtls_asn1_write_tag( &c, buf,
MBEDTLS_ASN1_CONSTRUCTED |
MBEDTLS_ASN1_SEQUENCE ) );
return mbedtls_x509write_crt_set_extension( ctx, MBEDTLS_OID_AUTHORITY_KEY_IDENTIFIER, return mbedtls_x509write_crt_set_extension(
MBEDTLS_OID_SIZE( MBEDTLS_OID_AUTHORITY_KEY_IDENTIFIER ), ctx, MBEDTLS_OID_AUTHORITY_KEY_IDENTIFIER,
0, buf + sizeof( buf ) - len, len ); MBEDTLS_OID_SIZE( MBEDTLS_OID_AUTHORITY_KEY_IDENTIFIER ),
0, buf + sizeof( buf ) - len, len );
} }
#endif /* MBEDTLS_SHA1_C */ #endif /* MBEDTLS_SHA1_C */
@ -249,8 +266,8 @@ int mbedtls_x509write_crt_set_key_usage( mbedtls_x509write_cert *ctx,
return( MBEDTLS_ERR_X509_INVALID_FORMAT ); return( MBEDTLS_ERR_X509_INVALID_FORMAT );
ret = mbedtls_x509write_crt_set_extension( ctx, MBEDTLS_OID_KEY_USAGE, ret = mbedtls_x509write_crt_set_extension( ctx, MBEDTLS_OID_KEY_USAGE,
MBEDTLS_OID_SIZE( MBEDTLS_OID_KEY_USAGE ), MBEDTLS_OID_SIZE( MBEDTLS_OID_KEY_USAGE ),
1, c, (size_t)ret ); 1, c, (size_t)ret );
if( ret != 0 ) if( ret != 0 )
return( ret ); return( ret );
@ -271,8 +288,8 @@ int mbedtls_x509write_crt_set_ns_cert_type( mbedtls_x509write_cert *ctx,
return( ret ); return( ret );
ret = mbedtls_x509write_crt_set_extension( ctx, MBEDTLS_OID_NS_CERT_TYPE, ret = mbedtls_x509write_crt_set_extension( ctx, MBEDTLS_OID_NS_CERT_TYPE,
MBEDTLS_OID_SIZE( MBEDTLS_OID_NS_CERT_TYPE ), MBEDTLS_OID_SIZE( MBEDTLS_OID_NS_CERT_TYPE ),
0, c, (size_t)ret ); 0, c, (size_t)ret );
if( ret != 0 ) if( ret != 0 )
return( ret ); return( ret );
@ -294,7 +311,8 @@ static int x509_write_time( unsigned char **p, unsigned char *start,
(const unsigned char *) t + 2, (const unsigned char *) t + 2,
size - 2 ) ); size - 2 ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_UTC_TIME ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start,
MBEDTLS_ASN1_UTC_TIME ) );
} }
else else
{ {
@ -302,15 +320,17 @@ static int x509_write_time( unsigned char **p, unsigned char *start,
(const unsigned char *) t, (const unsigned char *) t,
size ) ); size ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_GENERALIZED_TIME ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start,
MBEDTLS_ASN1_GENERALIZED_TIME ) );
} }
return( (int) len ); return( (int) len );
} }
int mbedtls_x509write_crt_der( mbedtls_x509write_cert *ctx, unsigned char *buf, size_t size, int mbedtls_x509write_crt_der( mbedtls_x509write_cert *ctx,
int (*f_rng)(void *, unsigned char *, size_t), unsigned char *buf, size_t size,
void *p_rng ) int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng )
{ {
int ret; int ret;
const char *sig_oid; const char *sig_oid;
@ -352,27 +372,36 @@ int mbedtls_x509write_crt_der( mbedtls_x509write_cert *ctx, unsigned char *buf,
/* Only for v3 */ /* Only for v3 */
if( ctx->version == MBEDTLS_X509_CRT_VERSION_3 ) if( ctx->version == MBEDTLS_X509_CRT_VERSION_3 )
{ {
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_x509_write_extensions( &c, tmp_buf, ctx->extensions ) ); MBEDTLS_ASN1_CHK_ADD( len,
mbedtls_x509_write_extensions( &c,
tmp_buf, ctx->extensions ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_CHK_ADD( len,
MBEDTLS_ASN1_SEQUENCE ) ); mbedtls_asn1_write_tag( &c, tmp_buf,
MBEDTLS_ASN1_CONSTRUCTED |
MBEDTLS_ASN1_SEQUENCE ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CHK_ADD( len,
MBEDTLS_ASN1_CONSTRUCTED | 3 ) ); mbedtls_asn1_write_tag( &c, tmp_buf,
MBEDTLS_ASN1_CONTEXT_SPECIFIC |
MBEDTLS_ASN1_CONSTRUCTED | 3 ) );
} }
/* /*
* SubjectPublicKeyInfo * SubjectPublicKeyInfo
*/ */
MBEDTLS_ASN1_CHK_ADD( pub_len, mbedtls_pk_write_pubkey_der( ctx->subject_key, MBEDTLS_ASN1_CHK_ADD( pub_len,
tmp_buf, c - tmp_buf ) ); mbedtls_pk_write_pubkey_der( ctx->subject_key,
tmp_buf, c - tmp_buf ) );
c -= pub_len; c -= pub_len;
len += pub_len; len += pub_len;
/* /*
* Subject ::= Name * Subject ::= Name
*/ */
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_x509_write_names( &c, tmp_buf, ctx->subject ) ); MBEDTLS_ASN1_CHK_ADD( len,
mbedtls_x509_write_names( &c, tmp_buf,
ctx->subject ) );
/* /*
* Validity ::= SEQUENCE { * Validity ::= SEQUENCE {
@ -381,32 +410,41 @@ int mbedtls_x509write_crt_der( mbedtls_x509write_cert *ctx, unsigned char *buf,
*/ */
sub_len = 0; sub_len = 0;
MBEDTLS_ASN1_CHK_ADD( sub_len, x509_write_time( &c, tmp_buf, ctx->not_after, MBEDTLS_ASN1_CHK_ADD( sub_len,
MBEDTLS_X509_RFC5280_UTC_TIME_LEN ) ); x509_write_time( &c, tmp_buf, ctx->not_after,
MBEDTLS_X509_RFC5280_UTC_TIME_LEN ) );
MBEDTLS_ASN1_CHK_ADD( sub_len, x509_write_time( &c, tmp_buf, ctx->not_before, MBEDTLS_ASN1_CHK_ADD( sub_len,
MBEDTLS_X509_RFC5280_UTC_TIME_LEN ) ); x509_write_time( &c, tmp_buf, ctx->not_before,
MBEDTLS_X509_RFC5280_UTC_TIME_LEN ) );
len += sub_len; len += sub_len;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, sub_len ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, sub_len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_CHK_ADD( len,
MBEDTLS_ASN1_SEQUENCE ) ); mbedtls_asn1_write_tag( &c, tmp_buf,
MBEDTLS_ASN1_CONSTRUCTED |
MBEDTLS_ASN1_SEQUENCE ) );
/* /*
* Issuer ::= Name * Issuer ::= Name
*/ */
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_x509_write_names( &c, tmp_buf, ctx->issuer ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_x509_write_names( &c,
tmp_buf,
ctx->issuer ) );
/* /*
* Signature ::= AlgorithmIdentifier * Signature ::= AlgorithmIdentifier
*/ */
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_algorithm_identifier( &c, tmp_buf, MBEDTLS_ASN1_CHK_ADD( len,
sig_oid, strlen( sig_oid ), 0 ) ); mbedtls_asn1_write_algorithm_identifier( &c, tmp_buf,
sig_oid, strlen( sig_oid ), 0 ) );
/* /*
* Serial ::= INTEGER * Serial ::= INTEGER
*/ */
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_mpi( &c, tmp_buf, &ctx->serial ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_mpi( &c,
tmp_buf,
&ctx->serial ) );
/* /*
* Version ::= INTEGER { v1(0), v2(1), v3(2) } * Version ::= INTEGER { v1(0), v2(1), v3(2) }
@ -416,16 +454,22 @@ int mbedtls_x509write_crt_der( mbedtls_x509write_cert *ctx, unsigned char *buf,
if( ctx->version != MBEDTLS_X509_CRT_VERSION_1 ) if( ctx->version != MBEDTLS_X509_CRT_VERSION_1 )
{ {
sub_len = 0; sub_len = 0;
MBEDTLS_ASN1_CHK_ADD( sub_len, mbedtls_asn1_write_int( &c, tmp_buf, ctx->version ) ); MBEDTLS_ASN1_CHK_ADD( sub_len,
mbedtls_asn1_write_int( &c, tmp_buf,
ctx->version ) );
len += sub_len; len += sub_len;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, sub_len ) ); MBEDTLS_ASN1_CHK_ADD( len,
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONTEXT_SPECIFIC | mbedtls_asn1_write_len( &c, tmp_buf, sub_len ) );
MBEDTLS_ASN1_CONSTRUCTED | 0 ) ); MBEDTLS_ASN1_CHK_ADD( len,
mbedtls_asn1_write_tag( &c, tmp_buf,
MBEDTLS_ASN1_CONTEXT_SPECIFIC |
MBEDTLS_ASN1_CONSTRUCTED | 0 ) );
} }
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_CHK_ADD( len,
MBEDTLS_ASN1_SEQUENCE ) ); mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED |
MBEDTLS_ASN1_SEQUENCE ) );
/* /*
* Make signature * Make signature
@ -436,8 +480,9 @@ int mbedtls_x509write_crt_der( mbedtls_x509write_cert *ctx, unsigned char *buf,
return( ret ); return( ret );
} }
if( ( ret = mbedtls_pk_sign( ctx->issuer_key, ctx->md_alg, hash, 0, sig, &sig_len, if( ( ret = mbedtls_pk_sign( ctx->issuer_key, ctx->md_alg,
f_rng, p_rng ) ) != 0 ) hash, 0, sig, &sig_len,
f_rng, p_rng ) ) != 0 )
{ {
return( ret ); return( ret );
} }
@ -457,7 +502,8 @@ int mbedtls_x509write_crt_der( mbedtls_x509write_cert *ctx, unsigned char *buf,
len += sig_and_oid_len; len += sig_and_oid_len;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c2, buf, len ) ); MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c2, buf, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c2, buf, MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c2, buf,
MBEDTLS_ASN1_CONSTRUCTED |
MBEDTLS_ASN1_SEQUENCE ) ); MBEDTLS_ASN1_SEQUENCE ) );
return( (int) len ); return( (int) len );
@ -467,9 +513,10 @@ int mbedtls_x509write_crt_der( mbedtls_x509write_cert *ctx, unsigned char *buf,
#define PEM_END_CRT "-----END CERTIFICATE-----\n" #define PEM_END_CRT "-----END CERTIFICATE-----\n"
#if defined(MBEDTLS_PEM_WRITE_C) #if defined(MBEDTLS_PEM_WRITE_C)
int mbedtls_x509write_crt_pem( mbedtls_x509write_cert *crt, unsigned char *buf, size_t size, int mbedtls_x509write_crt_pem( mbedtls_x509write_cert *crt,
int (*f_rng)(void *, unsigned char *, size_t), unsigned char *buf, size_t size,
void *p_rng ) int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng )
{ {
int ret; int ret;
unsigned char output_buf[4096]; unsigned char output_buf[4096];