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Use x509write_pubkey_der() when applicable

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Manuel Pégourié-Gonnard 2013-09-11 13:09:04 +02:00 committed by Paul Bakker
parent 5353a03eb9
commit 6dcf0bfcf4
1 changed files with 7 additions and 49 deletions
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56
library/x509write.c
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@ -725,33 +725,10 @@ int x509write_csr_der( x509write_csr *ctx, unsigned char *buf, size_t size )
ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, len ) );
ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_CONTEXT_SPECIFIC ) );
// TODO: use x509_write_rsa_pubkey() (pb: pub_len)
ASN1_CHK_ADD( pub_len, asn1_write_mpi( &c, tmp_buf, &pk_rsa( *ctx->key )->E ) );
ASN1_CHK_ADD( pub_len, asn1_write_mpi( &c, tmp_buf, &pk_rsa( *ctx->key )->N ) );
ASN1_CHK_ADD( pub_len, asn1_write_len( &c, tmp_buf, pub_len ) );
ASN1_CHK_ADD( pub_len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
if( c - tmp_buf < 1 )
return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL );
/*
* AlgorithmIdentifier ::= SEQUENCE {
* algorithm OBJECT IDENTIFIER,
* parameters ANY DEFINED BY algorithm OPTIONAL }
*/
*--c = 0;
pub_len += 1;
ASN1_CHK_ADD( pub_len, asn1_write_len( &c, tmp_buf, pub_len ) );
ASN1_CHK_ADD( pub_len, asn1_write_tag( &c, tmp_buf, ASN1_BIT_STRING ) );
ASN1_CHK_ADD( pub_len, asn1_write_algorithm_identifier( &c, tmp_buf,
OID_PKCS1_RSA, OID_SIZE( OID_PKCS1_RSA ) ) );
ASN1_CHK_ADD( pub_len, x509write_pubkey_der( pk_rsa( *ctx->key ),
tmp_buf, c - tmp_buf + 1 ) );
c -= pub_len;
len += pub_len;
ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, pub_len ) );
ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
/*
* Subject ::= Name
@ -826,31 +803,12 @@ int x509write_crt_der( x509write_cert *ctx, unsigned char *buf, size_t size )
ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTED | 3 ) );
/*
* SubjectPublicKeyInfo ::= SEQUENCE {
* algorithm AlgorithmIdentifier,
* subjectPublicKey BIT STRING }
* SubjectPublicKeyInfo
*/
ASN1_CHK_ADD( pub_len, asn1_write_mpi( &c, tmp_buf, &ctx->subject_key->E ) );
ASN1_CHK_ADD( pub_len, asn1_write_mpi( &c, tmp_buf, &ctx->subject_key->N ) );
ASN1_CHK_ADD( pub_len, asn1_write_len( &c, tmp_buf, pub_len ) );
ASN1_CHK_ADD( pub_len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
if( c - tmp_buf < 1 )
return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL );
*--c = 0;
pub_len += 1;
ASN1_CHK_ADD( pub_len, asn1_write_len( &c, tmp_buf, pub_len ) );
ASN1_CHK_ADD( pub_len, asn1_write_tag( &c, tmp_buf, ASN1_BIT_STRING ) );
ASN1_CHK_ADD( pub_len, asn1_write_algorithm_identifier( &c, tmp_buf,
OID_PKCS1_RSA, OID_SIZE( OID_PKCS1_RSA ) ) );
ASN1_CHK_ADD( pub_len, x509write_pubkey_der( ctx->subject_key,
tmp_buf, c - tmp_buf + 1 ) );
c -= pub_len;
len += pub_len;
ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, pub_len ) );
ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
/*
* Subject ::= Name